Re: [AFMUG] testing DNS server performance
Maybe these? I know you said you weren't concerned about speeds, but I think both programs have additional reporting information available. https://code.google.com/p/namebench/ https://www.grc.com/dns/benchmark.htm - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 10:27:48 AM Subject: [AFMUG] testing DNS server performance Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
x2 for namebench. Robbie Wright Siuslaw Broadband http://siuslawbroadband.com 541-902-5101 On Mon, Mar 23, 2015 at 8:35 AM, Josh Luthman j...@imaginenetworksllc.com wrote: I think he means the closer CDNs as opposed to the ones located in Timbuktu. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 11:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
I think he means the closer CDNs as opposed to the ones located in Timbuktu. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 11:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
I assumed he meant DNS cache. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: blockquote Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. /blockquote -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
to make the question much simpler, what tool can I use to verify geographically and/or performancewise what CDNs are being utilized for various content On Mon, Mar 23, 2015 at 11:12 AM, Mike Hammett af...@ics-il.net wrote: I assumed he meant DNS cache. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:08:27 AM *Subject: *Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. *From:* That One Guy thatoneguyst...@gmail.com *Sent:* Monday, March 23, 2015 10:35 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
Wireshark and a couple of the Sysinternals tools. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 12:45 PM, Mike Hammett af...@ics-il.net wrote: No Mikrotik routers between your PC and the Internet? Task Manager or Performance Manager will also tell you what IP or maybe FQDN the content is coming from as well. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:43:50 AM *Subject: *Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. *From:* Ken Hohhof af...@kwisp.com *Sent:* Monday, March 23, 2015 10:33 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. *From:* Chuck McCown ch...@wbmfg.com *Sent:* Monday, March 23, 2015 11:23 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:08:27 AM *Subject: *Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. *From:* That One Guy thatoneguyst...@gmail.com *Sent:* Monday, March 23, 2015 10:35 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 12:16:27 PM Subject: Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 12:05:29 PM Subject: Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. From: Mike Hammett Sent: Monday, March 23, 2015 11:55 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:43:50 AM Subject: Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: blockquote Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. From: Ken Hohhof Sent: Monday, March 23, 2015 10:33 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. From: Chuck McCown Sent: Monday, March 23, 2015 11:23 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache
Re: [AFMUG] testing DNS server performance
used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. *From:* Ken Hohhof af...@kwisp.com *Sent:* Monday, March 23, 2015 10:33 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. *From:* Chuck McCown ch...@wbmfg.com *Sent:* Monday, March 23, 2015 11:23 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:08:27 AM *Subject: *Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. *From:* That One Guy thatoneguyst...@gmail.com *Sent:* Monday, March 23, 2015 10:35 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
No Mikrotik routers between your PC and the Internet? Task Manager or Performance Manager will also tell you what IP or maybe FQDN the content is coming from as well. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:43:50 AM Subject: Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. From: Ken Hohhof Sent: Monday, March 23, 2015 10:33 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. From: Chuck McCown Sent: Monday, March 23, 2015 11:23 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: blockquote For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: blockquote Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. /blockquote -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. /blockquote -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
OK. There are basically 3 ways DNS queries can be answered – authoritative, recursive, and cache. I assume then he means recursive and cache? As opposed to something like a DNS proxy in a router which just queries another resolver but caches the answers? From: Mike Hammett Sent: Monday, March 23, 2015 11:12 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance I assumed he meant DNS cache. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
Run NetFlix. With Torch, capture it Netflix's IP. Traceroute to it. That's the best you're going to get. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:17:16 AM Subject: Re: [AFMUG] testing DNS server performance to make the question much simpler, what tool can I use to verify geographically and/or performancewise what CDNs are being utilized for various content On Mon, Mar 23, 2015 at 11:12 AM, Mike Hammett af...@ics-il.net wrote: I assumed he meant DNS cache. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: blockquote For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: blockquote Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. /blockquote -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. /blockquote -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
I think at the end of the day it comes down to what your caching server is using for DNS initially. At least I would have to assume, I don't know where else it would get any name resolution? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 12:25 PM, Mike Hammett af...@ics-il.net wrote: Run NetFlix. With Torch, capture it Netflix's IP. Traceroute to it. That's the best you're going to get. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:17:16 AM *Subject: *Re: [AFMUG] testing DNS server performance to make the question much simpler, what tool can I use to verify geographically and/or performancewise what CDNs are being utilized for various content On Mon, Mar 23, 2015 at 11:12 AM, Mike Hammett af...@ics-il.net wrote: I assumed he meant DNS cache. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:08:27 AM *Subject: *Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. *From:* That One Guy thatoneguyst...@gmail.com *Sent:* Monday, March 23, 2015 10:35 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
It's not pronounced that way, use an H for the J!@ :D On 03/23/2015 09:28 AM, Mike Hammett wrote: hehe He just wanted to see Jesus, so I told him he was Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com *From: *Josh Luthman j...@imaginenetworksllc.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:25:56 PM *Subject: *Re: [AFMUG] testing DNS server performance Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.net mailto:af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com *From: *That One Guy thatoneguyst...@gmail.com mailto:thatoneguyst...@gmail.com *To: *af@afmug.com mailto:af@afmug.com *Sent: *Monday, March 23, 2015 12:16:27 PM *Subject: *Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net mailto:af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com *From: *Ken Hohhof af...@kwisp.com mailto:af...@kwisp.com *To: *af@afmug.com mailto:af@afmug.com *Sent: *Monday, March 23, 2015 12:05:29 PM *Subject: *Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. *From:* Mike Hammett mailto:af...@ics-il.net *Sent:* Monday, March 23, 2015 11:55 AM *To:* af@afmug.com mailto:af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com *From: *That One Guy thatoneguyst...@gmail.com mailto:thatoneguyst...@gmail.com *To: *af@afmug.com mailto:af@afmug.com *Sent: *Monday, March 23, 2015 11:43:50 AM *Subject: *Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from
Re: [AFMUG] testing DNS server performance
You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 12:05:29 PM Subject: Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. From: Mike Hammett Sent: Monday, March 23, 2015 11:55 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:43:50 AM Subject: Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. From: Ken Hohhof Sent: Monday, March 23, 2015 10:33 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. From: Chuck McCown Sent: Monday, March 23, 2015 11:23 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: blockquote For performance
Re: [AFMUG] testing DNS server performance
He's us? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:30 PM, Josh Reynolds j...@spitwspots.com wrote: It's not pronounced that way, use an H for the J!@ :D On 03/23/2015 09:28 AM, Mike Hammett wrote: hehe He just wanted to see Jesus, so I told him he was Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Josh Luthman j...@imaginenetworksllc.com j...@imaginenetworksllc.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:25:56 PM *Subject: *Re: [AFMUG] testing DNS server performance Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:16:27 PM *Subject: *Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:05:29 PM *Subject: *Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. *From:* Mike Hammett af...@ics-il.net *Sent:* Monday, March 23, 2015 11:55 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:43:50 AM *Subject: *Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. *From:* Ken Hohhof af...@kwisp.com *Sent:* Monday, March 23, 2015 10:33 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches
Re: [AFMUG] testing DNS server performance
That should be the official post every time a thread goes off the rails! From: Af [mailto:af-boun...@afmug.com] On Behalf Of Josh Luthman Sent: Monday, March 23, 2015 12:36 PM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance [http://www.betsylove.com/wp-content/uploads/2014/03/Derailed.jpg] Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:34 PM, James Howard ja...@litewire.netmailto:ja...@litewire.net wrote: It’s been many years since I had a grammar lesson but I think technically you told him that he’ll see that Jesus is what’s happening. From: Af [mailto:af-boun...@afmug.commailto:af-boun...@afmug.com] On Behalf Of Mike Hammett Sent: Monday, March 23, 2015 12:29 PM To: af@afmug.commailto:af@afmug.com Subject: Re: [AFMUG] testing DNS server performance hehe He just wanted to see Jesus, so I told him he was Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Josh Luthman j...@imaginenetworksllc.commailto:j...@imaginenetworksllc.com To: af@afmug.commailto:af@afmug.com Sent: Monday, March 23, 2015 12:25:56 PM Subject: Re: [AFMUG] testing DNS server performance Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340tel:937-552-2340 Direct: 937-552-2343tel:937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.netmailto:af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.commailto:thatoneguyst...@gmail.com To: af@afmug.commailto:af@afmug.com Sent: Monday, March 23, 2015 12:16:27 PM Subject: Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.netmailto:af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.commailto:af...@kwisp.com To: af@afmug.commailto:af@afmug.com Sent: Monday, March 23, 2015 12:05:29 PM Subject: Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. From: Mike Hammettmailto:af...@ics-il.net Sent: Monday, March 23, 2015 11:55 AM To: af@afmug.commailto:af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.commailto:thatoneguyst...@gmail.com To: af@afmug.commailto:af@afmug.com Sent: Monday, March 23, 2015 11:43:50 AM Subject: Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS
Re: [AFMUG] testing DNS server performance
It’s been many years since I had a grammar lesson but I think technically you told him that he’ll see that Jesus is what’s happening. From: Af [mailto:af-boun...@afmug.com] On Behalf Of Mike Hammett Sent: Monday, March 23, 2015 12:29 PM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance hehe He just wanted to see Jesus, so I told him he was Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Josh Luthman j...@imaginenetworksllc.commailto:j...@imaginenetworksllc.com To: af@afmug.commailto:af@afmug.com Sent: Monday, March 23, 2015 12:25:56 PM Subject: Re: [AFMUG] testing DNS server performance Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.netmailto:af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.commailto:thatoneguyst...@gmail.com To: af@afmug.commailto:af@afmug.com Sent: Monday, March 23, 2015 12:16:27 PM Subject: Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.netmailto:af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.commailto:af...@kwisp.com To: af@afmug.commailto:af@afmug.com Sent: Monday, March 23, 2015 12:05:29 PM Subject: Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. From: Mike Hammettmailto:af...@ics-il.net Sent: Monday, March 23, 2015 11:55 AM To: af@afmug.commailto:af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.commailto:thatoneguyst...@gmail.com To: af@afmug.commailto:af@afmug.com Sent: Monday, March 23, 2015 11:43:50 AM Subject: Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.commailto:ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. From: Ken Hohhofmailto:af...@kwisp.com Sent: Monday, March 23, 2015 10:33 AM To: af@afmug.commailto:af@afmug.com Subject: Re
Re: [AFMUG] testing DNS server performance
Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. From: Ken Hohhof Sent: Monday, March 23, 2015 10:33 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. From: Chuck McCown Sent: Monday, March 23, 2015 11:23 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
Netflix themselves has their own caching servers...obviously... Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 12:33 PM, Ken Hohhof af...@kwisp.com wrote: I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. *From:* Chuck McCown ch...@wbmfg.com *Sent:* Monday, March 23, 2015 11:23 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:08:27 AM *Subject: *Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. *From:* That One Guy thatoneguyst...@gmail.com *Sent:* Monday, March 23, 2015 10:35 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
Will the thread forget content caching? That's not what Steve is talking about. He wants to know if his newly setup DNS servers get returned Chicago NetFlix IPs and not Los Angeles NetFlix IPs. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: Josh Luthman j...@imaginenetworksllc.com To: af@afmug.com Sent: Monday, March 23, 2015 11:32:04 AM Subject: Re: [AFMUG] testing DNS server performance I think at the end of the day it comes down to what your caching server is using for DNS initially. At least I would have to assume, I don't know where else it would get any name resolution? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 12:25 PM, Mike Hammett af...@ics-il.net wrote: Run NetFlix. With Torch, capture it Netflix's IP. Traceroute to it. That's the best you're going to get. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:17:16 AM Subject: Re: [AFMUG] testing DNS server performance to make the question much simpler, what tool can I use to verify geographically and/or performancewise what CDNs are being utilized for various content On Mon, Mar 23, 2015 at 11:12 AM, Mike Hammett af...@ics-il.net wrote: blockquote I assumed he meant DNS cache. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: blockquote For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: blockquote Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. /blockquote -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. /blockquote -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. /blockquote
Re: [AFMUG] testing DNS server performance
Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:05:29 PM *Subject: *Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. *From:* Mike Hammett af...@ics-il.net *Sent:* Monday, March 23, 2015 11:55 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:43:50 AM *Subject: *Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. *From:* Ken Hohhof af...@kwisp.com *Sent:* Monday, March 23, 2015 10:33 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. *From:* Chuck McCown ch...@wbmfg.com *Sent:* Monday, March 23, 2015 11:23 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:08:27 AM *Subject: *Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. *From:* That One Guy thatoneguyst...@gmail.com *Sent:* Monday, March 23, 2015 10:35 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS
Re: [AFMUG] testing DNS server performance
I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. From: Chuck McCown Sent: Monday, March 23, 2015 11:23 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
I would just check the IP address of your DNS server (the address it sources queries from) in the major geoIP databases. From: Mike Hammett Sent: Monday, March 23, 2015 11:38 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Will the thread forget content caching? That's not what Steve is talking about. He wants to know if his newly setup DNS servers get returned Chicago NetFlix IPs and not Los Angeles NetFlix IPs. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Josh Luthman j...@imaginenetworksllc.com To: af@afmug.com Sent: Monday, March 23, 2015 11:32:04 AM Subject: Re: [AFMUG] testing DNS server performance I think at the end of the day it comes down to what your caching server is using for DNS initially. At least I would have to assume, I don't know where else it would get any name resolution? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 12:25 PM, Mike Hammett af...@ics-il.net wrote: Run NetFlix. With Torch, capture it Netflix's IP. Traceroute to it. That's the best you're going to get. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:17:16 AM Subject: Re: [AFMUG] testing DNS server performance to make the question much simpler, what tool can I use to verify geographically and/or performancewise what CDNs are being utilized for various content On Mon, Mar 23, 2015 at 11:12 AM, Mike Hammett af...@ics-il.net wrote: I assumed he meant DNS cache. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
Re: [AFMUG] testing DNS server performance
Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:16:27 PM *Subject: *Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:05:29 PM *Subject: *Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. *From:* Mike Hammett af...@ics-il.net *Sent:* Monday, March 23, 2015 11:55 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:43:50 AM *Subject: *Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. *From:* Ken Hohhof af...@kwisp.com *Sent:* Monday, March 23, 2015 10:33 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. *From:* Chuck McCown ch...@wbmfg.com *Sent:* Monday, March 23, 2015 11:23 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23
Re: [AFMUG] testing DNS server performance
I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. From: Mike Hammett Sent: Monday, March 23, 2015 11:55 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:43:50 AM Subject: Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. From: Ken Hohhof Sent: Monday, March 23, 2015 10:33 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. From: Chuck McCown Sent: Monday, March 23, 2015 11:23 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. -- From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 11:08:27 AM Subject: Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. From: That One Guy Sent: Monday, March 23, 2015 10:35 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Geographically close CDNs. I want to make sure we are getting content from Illinoisish rather than california for netflix, since all that matters is netflix On Mon, Mar 23, 2015 at 10:30 AM, Josh Baird joshba...@gmail.com wrote: For performance, look at queryperf which I think is provided by ISC/bind. I'm not sure what you mean by we are getting good CDNs and the like, though. Josh On Mon, Mar 23, 2015 at 11:27 AM, That One Guy thatoneguyst...@gmail.com wrote: Im bringing live our first caching server today. Is there a good tool for comparing queries between DNS servers. Im not all that concerned about speed since we are so small there wont be a huge amount of benefit I would think. Im primarily wanting to make sure we are getting good CDNs and the like -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team. -- If you
Re: [AFMUG] testing DNS server performance
hehe He just wanted to see Jesus, so I told him he was Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com - Original Message - From: Josh Luthman j...@imaginenetworksllc.com To: af@afmug.com Sent: Monday, March 23, 2015 12:25:56 PM Subject: Re: [AFMUG] testing DNS server performance Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 12:16:27 PM Subject: Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net wrote: blockquote You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 12:05:29 PM Subject: Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. From: Mike Hammett Sent: Monday, March 23, 2015 11:55 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:43:50 AM Subject: Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: blockquote Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. From: Ken Hohhof Sent: Monday, March 23, 2015 10:33 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. From: Chuck McCown Sent: Monday, March 23, 2015 11:23 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams
Re: [AFMUG] testing DNS server performance
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:34 PM, James Howard ja...@litewire.net wrote: It’s been many years since I had a grammar lesson but I think technically you told him that he’ll see that Jesus is what’s happening. *From:* Af [mailto:af-boun...@afmug.com] *On Behalf Of *Mike Hammett *Sent:* Monday, March 23, 2015 12:29 PM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance hehe He just wanted to see Jesus, so I told him he was Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Josh Luthman j...@imaginenetworksllc.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:25:56 PM *Subject: *Re: [AFMUG] testing DNS server performance Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:16:27 PM *Subject: *Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:05:29 PM *Subject: *Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. *From:* Mike Hammett af...@ics-il.net *Sent:* Monday, March 23, 2015 11:55 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:43:50 AM *Subject: *Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. *From:* Ken Hohhof af...@kwisp.com *Sent:* Monday, March 23, 2015 10:33
Re: [AFMUG] testing DNS server performance
To view your CDN via netflix/silverlight on PC. Ctrl+Shift+Alt+D I think. Ctrl+Shift+Alt+M – Menu; includes loading custom .dfxp sub-title files. Ctrl+Shift+Alt+C – Codes; frame rate plus other (unknown to me) info. Also makes the other overlays green. Ctrl+Shift+Alt+D – Display A/V Stats on-screen Ctrl+Shift+Alt+L – Logging window Ctrl+Shift+Alt+P – Player info Ctrl+Shift+Alt+R – toggle color Rotation for overlays in Chrome; probably a debugging feature. Ctrl+Shift+Alt+S – current Streaming bit-rate and manual bit-rate selection On Mon, Mar 23, 2015 at 12:43 PM, Ken Hohhof af...@kwisp.com wrote: Jesus is running for mayor of Chicago. *From:* Mike Hammett af...@ics-il.net *Sent:* Monday, March 23, 2015 12:28 PM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance hehe He just wanted to see Jesus, so I told him he was Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Josh Luthman j...@imaginenetworksllc.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:25:56 PM *Subject: *Re: [AFMUG] testing DNS server performance Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:16:27 PM *Subject: *Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *Ken Hohhof af...@kwisp.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 12:05:29 PM *Subject: *Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. *From:* Mike Hammett af...@ics-il.net *Sent:* Monday, March 23, 2015 11:55 AM *To:* af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:43:50 AM *Subject: *Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist
Re: [AFMUG] testing DNS server performance
Jesus is running for mayor of Chicago. From: Mike Hammett Sent: Monday, March 23, 2015 12:28 PM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance hehe He just wanted to see Jesus, so I told him he was Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Josh Luthman j...@imaginenetworksllc.com To: af@afmug.com Sent: Monday, March 23, 2015 12:25:56 PM Subject: Re: [AFMUG] testing DNS server performance Are you both Jesus in this situation? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Mar 23, 2015 at 1:23 PM, Mike Hammett af...@ics-il.net wrote: Then do what I already told you to do. You'll see what's happening, Jesus. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -- From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 12:16:27 PM Subject: Re: [AFMUG] testing DNS server performance Im not wanting to alter anything, I just want to see, jesus On Mon, Mar 23, 2015 at 12:10 PM, Mike Hammett af...@ics-il.net wrote: You can register with every geolocation service known to man and places still find ways to place you incorrectly. I've got a new one now. ShadowServer thinks I'm in Glen Ellyn. The IP block has never been in or near Glen Ellyn. One could assume that the middle of a week day is a light NetFlix time and that they would be pointing you to the nearest location. If they thought he was in Albuquerque, that could make optimal routing a bit difficult. It wouldn't just be the gross latency, but the number of peering points and hops with potential congestion issues. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: Ken Hohhof af...@kwisp.com To: af@afmug.com Sent: Monday, March 23, 2015 12:05:29 PM Subject: Re: [AFMUG] testing DNS server performance I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. From: Mike Hammett Sent: Monday, March 23, 2015 11:55 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com From: That One Guy thatoneguyst...@gmail.com To: af@afmug.com Sent: Monday, March 23, 2015 11:43:50 AM Subject: Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. From: Ken Hohhof Sent: Monday, March 23, 2015 10:33 AM To: af@afmug.com Subject: Re: [AFMUG] testing DNS server performance I was not aware you could cache
Re: [AFMUG] testing DNS server performance
It's not only about geolocation. This is not related to Netflix, but.. I had a problem getting to Google (everything Google) from home a month or two ago for about two hours. But it worked if I remote desktop'd into my PC at the office. The primary DNS at the NOC goes out through GTT. The secondary (which I hit at home) sits on ATT. Same address space. A query for google.com from one server gave me a completely different result than the other. So they're responding based on what network you're coming in on as well. Both did get me to Google in Chicago though. My guess is different load balancers. Netflix could be doing the same thing, I don't know. On 3/23/2015 12:05 PM, Ken Hohhof wrote: I also don’t know how important it is that a CDN be “near” you. By definition, you’re probably talking a sustained download, either a video stream or some kind of large file download. And most of the time you will see 4 parallel TCP connections. I really don’t think latency matters once you start the download. What does matter is server balancing. If your DNS server has correct geoIP but Netflix chooses to send your customers to a server in Dallas, maybe their Chicago servers are overloaded or undergoing maintenance. Do you really want to second guess their decisions? About all you can do is make sure your DNS server is in the right place according to the geolocation database services, and let the content provider decide what IP address to hand out to your customers and how to route that IP (they may use geoIP info to decide the routing, not the DNS). Now, if your DNS server appears to be in a whole wrong part of the world, that may have dramatic effects, like totally different content being available because Netflix thinks your customer is in Europe or Asia. *From:* Mike Hammett mailto:af...@ics-il.net *Sent:* Monday, March 23, 2015 11:55 AM *To:* af@afmug.com mailto:af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Pardon the mess, I'm on a laptop with a damn touchpad. - Mike Hammett Intelligent Computing Solutions http://www.ics-il.com *From: *That One Guy thatoneguyst...@gmail.com *To: *af@afmug.com *Sent: *Monday, March 23, 2015 11:43:50 AM *Subject: *Re: [AFMUG] testing DNS server performance used the wrong term Ignore the term Take cache out of thyne mouth now, being a windows dick, I dont have torch I want to simply be able to verify that appropriate CDNs are being utilized namebench is still running, I dont know what its output is going to be This cant be a new thing, I see threads occasionally about content being problematic in that users are getting less than desirable CDNs, it always seems to boil down to DNS, I just want a tool that will tell me where the content is coming from. (in a perfect world, it would display on a map with a quality indicator to that CDN, I dont have any expectation that that component of the tool would exist) On Mon, Mar 23, 2015 at 11:34 AM, Chuck McCown ch...@wbmfg.com mailto:ch...@wbmfg.com wrote: Not generic. You have to use the one they provide. And they will not give to you unless you are doing some like 4tB per month. *From:* Ken Hohhof mailto:af...@kwisp.com *Sent:* Monday, March 23, 2015 10:33 AM *To:* af@afmug.com mailto:af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance I was not aware you could cache Netflix streams with a generic caching server. Not only due to DRM, but also Netflix app switches streams dynamically to match video quality to connection speed. Plus first the customer authenticates to Netflix server, chooses what content to watch, etc. *From:* Chuck McCown mailto:ch...@wbmfg.com *Sent:* Monday, March 23, 2015 11:23 AM *To:* af@afmug.com mailto:af@afmug.com *Subject:* Re: [AFMUG] testing DNS server performance Say a new movie is on Netflix. Or latest season of cards. Everyone is going to want to watch it. So 1000 simultaneous backbone streams to Netflix vs 1000 simultaneous streams to the caching server in your NOC. I choose the latter. *From: *Ken Hohhof af...@kwisp.com mailto:af...@kwisp.com *To: *af@afmug.com mailto:af@afmug.com *Sent: *Monday, March 23, 2015 11:08:27 AM *Subject: *Re: [AFMUG] testing DNS server performance I don’t understand how the caching server is going to help with CDNs. Actually, with so much Internet content now being either dynamic HTML or streaming, I wouldn’t think caching would be worth it, unless you are talking about something like a Netflix OpenConnect appliance. Maybe you can cache software updates, I’m not sure about that. *From:* That One Guy mailto:thatoneguyst...@gmail.com *Sent:* Monday, March 23, 2015 10:35 AM *To:* af@afmug.com mailto:af@afmug.com
