[Bloat] COTS router with OpenWrt

I have been exchanging a few emails with Jonathan Foulkes from evenroute.com. He tells me that his company is installing OpenWrt on a commercial, off the shelf (COTS) TP-Link router and selling them on commercially. His "secret sauce" is an auto-update facility and improved setup software, which

Re: [Bloat] fixing bufferbloat in 2017

I feel particularly acutely the fact that we don't have a good "simple to deliver" solution today for the curious (not deeply commited) person. I was trying to help a friend with a TP-Link Archer C7, but was stymied because I can't simply install OpenWrt CC because of their "FCC fix". Besides,

[Bloat] "Best Practices for Benchmarking" article still up to date?

The "Best Practices for Benchmarking" article (https://www.bufferbloat.net/projects/codel/wiki/Best_practices_for_benchmarking_Codel_and_FQ_Codel/) came up in a forum (https://forum.lede-project.org/t/build-for-netgear-r7800/316/9) Is this still good advice? Thanks. Rich __

[Bloat] Differences between dslr cli program vs. web test

I find a marked difference between the measurements that come from the dslr cli program and the web tester. The CLI seems to show slower speeds than the web tester. Here's data from one web run, and two CLI runs. I'm running on a mid-2015 MacBook Pro, 2.5 GHz i7, 16 GBytes of RAM, OSX 10.10.5,

[Bloat] QCut - "Understanding on-device bufferbloat for cellular upload", Guo et al

Google Alerts sent a link to this paper: "Understanding on-device bufferbloat for cellular upload" available at: http://dl.acm.org/citation.cfm?id=2987490 (ACM Paywall...) In my two-minute skim of the paper, I see they describe how latency gets bad on cellular devices (no kidding) and then prop

[Bloat] Comcast's NANOG slides re Bufferbloat posted (Oct 2016)

https://www.nanog.org/sites/default/files/20160922_Klatsky_First_Steps_In_v1.pdf ___ Bloat mailing list Bloat@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/bloat

[Bloat] Fwd: Measuring Web Similarity from Dual-stacked Hosts

The following came from the NANOG list. It's IPv6 data, not performance info, but it's nice that we're getting mileage from the SamKnows infrastructure... Rich > Begin forwarded message: > > From: nanog-requ...@nanog.org > Subject: NANOG Digest, Vol 104, Issue 5 > Date: September 6, 2016 at 8:0

[Bloat] Bufferbloat test measurements (was: Open Source Speed Test)

It has always been my intent to define bufferbloat as *latency*. The first sentence on www.bufferbloat.net says, "Bufferbloat is the undesirable latency that comes from a router or other network equipment buffering too much data." That definition focuses on observable/measurable values. It sides

Re: [Bloat] Open Source Speed Test

Thoughts: - The page is attractive, and definitely easy to use. - Grammar: "For best results, please limit the *number* of applications or devices..." (not "amount") - Inaccurate display of measured speeds (see below) - When will the source code be opened up? I submitted the following on the fe

[Bloat] fast.com - Netflix's speed monitoring

I just saw Netflix's Fast.com site. They (may) suffer from non-neutral treatment by various carriers, so they set up their own testing suite so that their customers can see if Netflix servers are getting full treatment. Netflix make interesting choices in the design of the test. They only measur

Re: [Bloat] Updates on www.bufferbloat.net

Hi Sebastian, > On Jul 7, 2016, at 11:55 AM, moeller0 wrote: > > I see that there is a link to https://wiki.openwrt.org/doc/howto/sqm on > this page, and that reminds me, could you add a link to > https://github.com/moeller0/ATM_overhead_detector to that openwrt page > please? Probably

[Bloat] Updates on www.bufferbloat.net

There has been a lot of work on the www.bufferbloat.net site. There are many small changes, and three new pages. As always, comments and PR's encouraged. - Getting SQM Running Right - A revision of the original page from snapon. https://www.bufferbloat.net/projects/cerowrt/wiki/Getting_SQM_Runnin

[Bloat] statistics for netperf.bufferbloat.net

Folks, I host netperf.bufferbloat.net on a VPS (using Ramnode.com - highly reliable) I regularly get close to, or run over my monthly data transfer limit for my VPS. (When this happens, they suspend my VPS until the end of the month. I have already added an additional $4/month for additional da

[Bloat] Bufferbloat.net & LinkChecker

For your site consistency happiness... I am fond of the LinkChecker program that spiders a site and checks for broken links, questionable HTML, etc. It's at: http://wummel.github.io/linkchecker/ It has a GUI for Windows and Linux (sadly, the GUI doesn't build on OSX, but the CLI works) Fire o

Re: [Bloat] Bufferbloat.net - Organizing, curating, and workflow

Good comments all... Let me preface these responses by saying that I'm willing to help out, but don't want to get in the way of the rapid progress being made. Toke: Let us know when you think you're done with major reorganizations... I also want to see if there's consensus about when and how to

[Bloat] Bufferbloat.net - Organizing, curating, and workflow

To all the Bufferbloaters out there... Thanks again to Toke for all this good work. It's terrific to see the pages resurrected, and to have the www.bufferbloat.net site living again. I've been thinking of the next steps - to make all this work really useful. I see there are three important issu

Re: [Bloat] bufferbloat.net is sorely missed/Now it's back!

Hi Toke, > On Jun 11, 2016, at 2:29 PM, Toke Høiland-Jørgensen wrote: > >>> >>> Okay, updated the conversion to preserve the directory structure. >>> Current version is here: https://kau.toke.dk/bufferbloat-archive. The >> >> I get a 404 on that right now across the board... >> >> https://kau

Re: [Bloat] bufferbloat.net is sorely missed.

OK. Let me know when the DNS has been updated, and I will put in the CNAME file. Thanks! Rich > On Jun 10, 2016, at 2:05 PM, Dave Taht wrote: > >>> It won't take much time to get that github page >>> (http://richb-hanover.github.io/bufferbloat-site) running as >>> www.bufferbloat.net. To do t

Re: [Bloat] lartc.org site redesigned

Hi Dave, > On Jun 10, 2016, at 12:00 PM, bloat-requ...@lists.bufferbloat.net wrote: > > In the long run I would like to also resurrect your work on converting > lartc.org. [ For those who haven't been following along at home, a couple years ago I took a whack at modernizing the www.lartc.org si

Re: [Bloat] bufferbloat.net is sorely missed.

Hi Dave, I'm worried that the bufferbloat project appears MIA right now. It won't take much time to get that github page (http://richb-hanover.github.io/bufferbloat-site) running as www.bufferbloat.net. To do this: - You would have to set up A records for bufferbloat.net to point to 192.30.25

Re: [Bloat] bufferbloat.net is sorely missed.

Toke, Thanks for taking on the revival of the bufferbloat site. As a stopgap, I wonder if it might be possible to put up a placeholder page that links to Wayback Machine pages. Something like... http://richb-hanover.github.io/bufferbloat-site/ (I have thrown $50 toward the archive.org folks..

Re: [Bloat] new public web tests for bufferbloat

I just tested the Sourceforge.net tester. Comments: - It's pretty, although only works if you have the screen maximized. Epic fail if you try it on a smart phone. - My Adblock Plus also threw it for a loop. I had to switch to my secondary browser (unblocked) to test it - Download measurement and

[Bloat] Fwd: fq_codel is *four* years old today

y the information to a new (non-Redmine) system. What else happened this year? Best regards, Rich > Begin forwarded message: > > From: Rich Brown > Subject: fq_codel is *three* years old today > Date: May 14, 2015 at 8:11:38 AM EDT > To: bloat , cerowrt-devel > >

Re: [Bloat] Getting started with sqm-scripts - latency good, bandwidth decimated

Hi Brandon, One more (very) simple test - what are your speeds *without* any SQM/shaping? I didn't see it mentioned in your report, and let's be sure that you're shaping the traffic to the actual achievable link speeds... I recently helped a friend whose "15 mbps/1mbps" DSL just wouldn't get ab

Re: [Bloat] the cerowrt project's letter to the fcc about the wifi lockdown is nearly final

> We still have a boatload of footnotes (help?) to add back in properly, I am fixing them now. (The Footnotes were converted to Endnotes when I imported my local copy back to Google Docs) Rich ___ Bloat mailing list Bloat@lists.bufferbloat.net https:/

Re: [Bloat] LWN article discussing the FCC blunder, as well a VW's (The Internet of criminal things)

Would you provide a link to the FCC article (for those of us who don't have a LWN subscription)? Thanks. > On Sep 24, 2015, at 7:44 AM, David Collier-Brown wrote: > > > http://lwn.net/SubscriberLink/658198/233be09044fdb1e5/ >

Re: [Bloat] [Cerowrt-devel] Save WiFi from the FCC - DEADLINE is OCTOBER 9 now.

Hi Eric, Yes, I agree that it is confusing. And you're right - it's OCTOBER 9. Here's the supporting documentation: https://apps.fcc.gov/edocs_public/attachmatch/DA-15-956A1.pdf (TL;DR - read paragraph 4 to cut through the blah,

Re: [Bloat] [Cerowrt-devel] Save WiFi from the FCC - DEADLINE is in 3 days *September* 8

Thanks, Jonathan and Michael for letting us know about your submissions. I will note that we got a bit of a reprieve on the deadline - it's now 9 Sep (tomorrow). See https://www.fcc.gov/document/fcc-databases-unavailable-filing-deadline-extensions-early-september So if you meant to file somet

[Bloat] My FCC Submission - DEADLINE - Tuesday, 8 Sep 2015

Folks, I submitted a comment to the FCC re: the Proposed Rule that would (ultimately) require router manufacturers prohibit third-party modifications to firmware of equipment that contains a radio. It's at: http://richb-hanover.com/comment-to-the-fcc-re-consumer-router-firmware/ If you care t

Re: [Bloat] Save WiFi from the FCC - DEADLINE is in 3 days *September* 8

Folks, Dave may have buried the lede in his previous note... The date for comments to the FCC is not a month away, but only three days away - 8 Sep 2015. To see the talking points for preparing your comments, go to: https://libreplanet.org/wiki/Save_WiFi To submit a comment, click the green "S

[Bloat] Google Alerts found this...

http://memegenerator.net/instance/64278191 ___ Bloat mailing list Bloat@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/bloat

[Bloat] Mailing list to coordinate responses to FCC ruling on router hacking

Folks, Dave Täht pointed out that the FCC has proposed new rules (by issuing a Notification of Proposed Rule Making - NPRM) His one-line summary - "these fcc rules look bad") The rest of this message has links for the BattleMesh presentation and for submitting public comments, etc. You can re

Re: [Bloat] (very) rough guide to 'Cake' in OpenWrt

Hi Kevin, This is great. I'm not in a position to test it out right now, but am cheering wildly from the sidelines! Rich On Jul 17, 2015, at 5:41 AM, Kevin Darbyshire-Bryant wrote: > If anyone is interested, I've updated > http://www.bufferbloat.net/projects/codel/wiki/Cake to include detai

Re: [Bloat] [Cerowrt-devel] failing to find the "declared victory" in a current wifi router

1 … > >> >>>> The current list is a confusing mix of information about very old, >>>> sometimes EOL (end-of-life) equipment. >>> >>> What is bad about keeping information? Just because a device is EOL >>> by its manufacturer/vendor do

Re: [Bloat] Graph of bloat

On Jul 8, 2015, at 11:55 AM, Dave Taht wrote: > On Wed, Jul 8, 2015 at 3:23 AM, Hal Murray wrote: >> I was monitoring Google's time servers over the recent leap second. That >> graph happened to include some good examples of bloat. >> >> http://www.megapathdsl.net/~hmurray/bloat/google-off-sm

Re: [Bloat] [Cerowrt-devel] failing to find the "declared victory" in a current wifi router

Matt, This is useful. I will review this and give you comments, and ensure any additional knowledge makes it into the OpenWrt HOWTO's. Thanks. Rich On Jul 7, 2015, at 2:19 PM, Matt Taggart wrote: > > This message made me realize I hadn't posted the CC+SQM HOWTO I wrote, > maybe it will be us

Re: [Bloat] [Cerowrt-devel] failing to find the "declared victory" in a current wifi router

cher C7 v2 for ~$90 (US). http://wiki.openwrt.org/toh/tp-link/tl-wdr7500 In a one-out-of-one test, it seems to work well with BB, SQM works fine, and I'm happy. On Jul 7, 2015, at 12:22 AM, Joe Touch wrote: > Hi, Rich, > > On 7/6/2015 7:23 PM, Rich Brown wrote: >> Hi Joe, >&

Re: [Bloat] [Cerowrt-devel] failing to find the "declared victory" in a current wifi router

ll, and despite the CC RC2 status, stable builds only come out a few days apart. I would stay away from it if you're not willing to participate in a science experiment. There is a team working to improve the OpenWrt site, but our work has not yet been "blessed" by the the admin&#x

[Bloat] Scam: Bufferbloat e-book

I investigate so you don't have to... In the last few days, I have seen two Google Alerts mentioning a "Bufferbloat pdf ebook write by a good author" (scam warning #1 - bad grammar). The offers came from different domains (warning #2 - multiple domains - highly suspicious) If you follow the li

Re: [Bloat] I thought the diagram, at least, was a good start

I wanted to respond to this posting, and say that: a) It's good to catalog all the places that buffers can exist in a system b) Turning on fq_codel (and other things, such as bql...) will be helpful, and c) Here are the incantations for popular OSs (I got stuck on this point...) Any hints/incan

[Bloat] Bloat goes away, but with ~25% speed loss?

I'm supporting people re: SQM/fq_codel on some of the boards, and came across a refractory problem, and I'd like to get some advice. Summary: A person is using OpenWrt 14.07 (same code base as CeroWrt 3.10.50-1) and SQM. Turning on SQM decreases, but doesn't eliminate, bufferbloat. They also lo

[Bloat] bufferbloat and VOIP testimonial from Ring Cenrtral forums

Folks, I mentioned that this fellow could try OpenWrt to turn on SQM/fq_codel, and it worked as well as we all hoped/expected... See: https://community.ringcentral.com/ringcentral/topics/bufferbloat-and-voip?topic-reply-list%5Bsettings%5D%5Bfilter_by%5D=all&topic-reply-list%5Bsettings%5D%5Breply

[Bloat] Fwd: bufferbloat and VOIP testimonial from Ring Cenrtral forums

Folks, I mentioned that this fellow could try OpenWrt to turn on SQM/fq_codel, and it worked as well as we all hoped/expected... Nice Job to all who contributed to this. (In case no one has said anything nice to you today :-) Rich PS Direct link to the web page: https://community.ringcentra

Re: [Bloat] dslreports mockup

> On Thu, May 21, 2015 at 9:45 AM, Rich Brown wrote: > That is interesting. I'm trying to think how the latency charts could be > misconstrued, since a Y-axis on the right isn't the norm - I don't think it's > hard to understand, but just different. > > The

Re: [Bloat] dslreports mockup

That is interesting. I'm trying to think how the latency charts could be misconstrued, since a Y-axis on the right isn't the norm - I don't think it's hard to understand, but just different. The display as-is clearly shows that the download is badly bloated, but the upload is fine. That's the

[Bloat] Cira.ca network measurement system

Last Saturday, I heard a piece on CBC Radio's Spark program about the CIRA in Canada and their effort to map out network performance in order to get better Internet service for everyone across Canada. You can listen to the piece at: http://www.cbc.ca/radio/spark/286-empathy-games-intangible-art-

Re: [Bloat] General Bufferbloat Testing Document.

Jim, This is great news. > I'm glad you've got this letter going. I have started to write (mentally) > this note several times, but two things always checked my momentum: > > - Last summer, I sent notes asking the big speed test sites simply to add a > latency test. (speedtest.net, testmy.net

Re: [Bloat] General Bufferbloat Testing Document.

Hi Jim, I'm glad you've got this letter going. I have started to write (mentally) this note several times, but two things always checked my momentum: - Last summer, I sent notes asking the big speed test sites simply to add a latency test. (speedtest.net, testmy.net, speedof.me). All three resp

[Bloat] fq_codel is *three* years old today

Folks, Today is the third anniversary of the announcement of a testable fq_codel (see https://lists.bufferbloat.net/pipermail/cerowrt-devel/2014-May/002984.html et. seq.) Here's (an approximation of) the state of the world: - We didn't know it at the time, but we would be able to declare victo

Re: [Bloat] DSLReports Jitter/PDV test

On May 7, 2015, at 6:44 AM, jb wrote: > There is a web socket based jitter tester now. It is very early stage but > works ok. > > http://www.dslreports.com/speedtest?radar=1 I was surprised to see how *good* a test the websocket could be. It appears to add only a couple msec over the ICMP Ec

Re: [Bloat] Sidebar on latency and "blip"

On May 5, 2015, at 2:04 PM, David Collier-Brown wrote: > On 05/05/2015 08:49 AM, Rich Brown wrote: >> But a plug for DSReports Speed Test never hurts :-) > > Darn right: > Have you folks also seen "blip"? It's at http://apenwarr.ca/log/?m=201304#26 > > -

Re: [Bloat] upgrade resync on osx cloud = massive bufferbloat for days

On May 5, 2015, at 8:44 AM, jb wrote: > It sounds like the problem is the broadcom chipset (earlier versions of) > combined with airdrop using the chipset to talk on two channels at the same > time, > which destroys wifi throughput. Quite possibly. Then the first part of my message ("It used t

[Bloat] Question about fq_codel vs modem buffers

I posted a message about using SQM & OpenWrt on Tom's Hardware, and got a response from someone who's somewhat knowledgeable. I'm not sure of the proper response, so I wanted to ask here first. Here's the question that has me stumped. http://www.tomshardware.com/answers/id-2615979/high-latency-

[Bloat] ThinkBroadBand also has a bloat detector in their speed test

I just saw a note over at ThinkBroadBand that states that they've turned on bufferbloat detection/grades in their speed test. Announcement: http://forums.thinkbroadband.com/general/t/4405918-turned-on-per-user-display-now.html The Tester: http://www.thinkbroadband.com/speedtest.html I'm not su

Re: [Bloat] extremely good dslreports result for bufferbloat on free.fr

> On Wed, Apr 29, 2015 at 9:33 PM, jb wrote: > ... >> if it did get a rating it would be an "D" or "F".. > > How about "E" for error? That can be further explained in the text > "Sometimes the bloat is so bad that we cannot adaquately test for it - > and other times there is something else badly

Re: [Bloat] DSLReports Speed Test has latency measurement built-in

On Apr 28, 2015, at 4:38 AM, Sebastian Moeller wrote: > Well, what I want to see is a study, preferably psychophysics not > modeling ;), showing the different latency “tolerances” of humans. I am > certain that humans can adjust to even dozens of seconds de;ays if need be, > but the goa

Re: [Bloat] DSLReports Speed Test has latency measurement built-in

I just updated the Quick Test for Bufferbloat page to list DSLReports first (and call it the "Easy Test for Bufferbloat"). See http://www.bufferbloat.net/projects/cerowrt/wiki/Quick_Test_for_Bufferbloat The page still describes the ping & speed test procedure if people want to use the old/harde

Re: [Bloat] DSLReports Speed Test has latency measurement built-in

On Apr 23, 2015, at 6:22 PM, Dave Taht wrote: > On Thu, Apr 23, 2015 at 2:44 PM, Rich Brown wrote: >> Hi Justin, >> >> The newest Speed Test is great! It is more convincing than I even thought it >> would be. These comments are focused on the "theater"

Re: [Bloat] DSLReports Speed Test has latency measurement built-in

>> 5) The gauge makes it appear that moderate latency - 765 msec (0:29) - is >> the same as when the value goes to 1768 msec (0:31), and also when it goes >> to 4,447 msec (0:35), etc. It might make more sense to have the chart's >> full-scale at something like 10 seconds during the test. The sc

Re: [Bloat] DSLReports Speed Test has latency measurement built-in

Hi Justin, The newest Speed Test is great! It is more convincing than I even thought it would be. These comments are focused on the "theater" of the measurements, so that they are unambiguous, and that people can figure out what's happening I posted a video to Youtube at: http://youtu.be/EMkhKr

[Bloat] Bad news site - "fashionsnowboots"

Google Alerts informed me that site bufferbloat dot fashionsnowboots dot com is talking about "Bufferbloat". Sure enough, it appears to have cloned the content from our home page with the following additions: - It offers to install the Java plugin 12.3 - All the links on the page encourage you t

[Bloat] Nice Readme/Video on ipfire.org

Google Alerts showed me a link to the following presentation about bufferbloat, and using fq_codel to vanquish it. http://wiki.ipfire.org/en/configuration/services/qos https://www.youtube.com/watch?v=XB3w09VZn7g N0mantech does a very good job. He shows how to configure the up and down bit rates

Re: [Bloat] DSLReports Speed Test has latency measurement built-in

Hi folks, A couple comments re: the DSLReports Speed Test. 1) It's just becoming daylight for Justin, so he hasn't had a chance to respond to all these notes. :-) 2) In a private note earlier this week, he mentioned that he uses "websocket pings" which he believes are pretty speedy/low latency

[Bloat] DSLReports Speed Test has latency measurement built-in

Folks, I am delighted to pass along the news that Justin has added latency measurements into the Speed Test at DSLReports.com. Go to: https://www.dslreports.com/speedtest and click the button for your Internet link. This controls the number of simultaneous connections that get established betw

[Bloat] Questions about the use of HTB & fq_codel in simple.qos, simplest.qos

I've been thinking about the message we're sending re: QoS/prioritization vs SQM, and I'm not clear on what our story is. Here's what I understand: - On one hand, we say that good SQM algorithms (fq_codel, for example) will do an astonishingly good job of minimizing latency without any parameter

Re: [Bloat] some notes on the archer c7v2's suitability for make-wifi-fast

Dave, > I took the archer c7v2 out for a set of test runs over the weekend. Is there a build out there for those of us who a) own an Archer c7v2 and b) are crazy enough could try out? Or should we hold off for a while? Thanks. Rich signature.asc Description: Message signed with OpenPGP using

Re: [Bloat] facebook releases network test tool for slow and dodgy conditions

I hope they *do* have bufferbloat in their emulator. It'd be a real shame if they failed to mimic the presence of bufferbloat in 3G/4G/DSL/etc. uplinks. Imagine if everyone developed their app using ATC, then wondered why their performance stinks in the real world... On Mar 24, 2015, at 3:26 P

[Bloat] Latency Measurements in Speed Test suites (was: DOCSIS 3+ recommendation?)

On Mar 19, 2015, at 7:18 PM, Greg White wrote: > Netalyzr is great for network geeks, hardly consumer-friendly, and even so > the "network buffer measurements" part is buried in 150 other statistics. > Why couldn't Ookla* add a simultaneous "ping" test to their throughput > test? When was the la

Re: [Bloat] http/2

Hi Kartik, Thanks for the questions. > Has HTTP/2[1] been discussed on this list?[2] I've been thinking about > bufferbloat as I read the spec, and had a couple of questions that weren't > answered in the FAQ[3]: > > 1. HTTP/2 reduces the number of connections per webpage. Assume for a second

Re: [Bloat] AVNetwork blog posting

Folks, Google Alerts just told me about http://www.avnetwork.com/entry/bufferbloat-is-a-new-threat-to-web-traffic-including-av/863 I sent Phil Hippensteel a note about bufferbloat.net, and will see if he needs additional information. Rich signature.asc Description: Message signed with OpenPG

Re: [Bloat] tsiox almost gets fixing bufferbloat right on reddit

It seems that tsiox (on Reddit) is advocating that people invert the usual shotgun approach of guessing which QoS policies to implement, and instead use the following steps if "the network is slow": - The first line of defense is minimizing queues in the bottleneck routers. Using fq_codel, pie,

Re: [Bloat] [aqm] ping loss "considered harmful"

On Mar 5, 2015, at 1:56 PM, Curtis Villamizar wrote: > In message > > Dave Taht writes: > >> My point was A), I have seen tons of shapers out there that actually >> prioritize ping over other traffic. I figure everyone here will agree >> that is a terrible practice, but I can certainly say it

Re: [Bloat] live streaming from nz

Arrgh... I signed in time to see your "Thanks for letting me show you this..." slide. I hope it went well Do you know if the presentation will be made available later? Thanks. Rich On Jan 29, 2015, at 4:32 PM, Dave Taht wrote: > I'm giving a talk in a few minutes at nznog if anyone cares: >

Re: [Bloat] Fixing bufferbloat: How about an open letter to the web benchmarkers?

On Sep 12, 2014, at 3:17 AM, Jesper Dangaard Brouer wrote: > On Thu, 11 Sep 2014 20:13:19 -0400 > Rich Brown wrote: > >> I'll sign too. (And I like the 98th percentile measure for each >> direction to give a single number that represents what's happening. It

Re: [Bloat] [Cerowrt-devel] Fixing bufferbloat: How about an open letter to the web benchmarkers?

Jonathan, > Could we make use of the existing test servers (running netperf) for that > demonstration? How hard is the protocol to fake in Javascript? Not having coded a stitch of this, I *think* it would require the following: - Web page on netperf-xxx.bufferbloat.net that served out the java

Re: [Bloat] Fixing bufferbloat: How about an open letter to the web benchmarkers?

Dave, I'll sign too. (And I like the 98th percentile measure for each direction to give a single number that represents what's happening. It could include ping loss rate, as well...) But more importantly, an open letter would likely be more powerful than the results I got from sending a note t

Re: [Bloat] The Dark Problem with AQM in the Internet?

Hi Jerry, > AQM is a great solution for bufferbloat. End of story. But if you want to > track down which device in the network intentionally dropped a packet (when > many devices in the network path will be running AQM), how are you going to > do that? Or how do youpropose to do that? Yes,

Re: [Bloat] Check out www.speedof.me - no Flash

Hi Neil, > I have a deep worry over this style of single point measurement - and hence > speed - as an appropriate measure. We know, and have evidence, that > throughput/utilisation is not a good proxy for the network delivering > suitable quality of experience. We work with organisation (Telco

Re: [Bloat] Check out www.speedof.me - no Flash

ocess - > its to do with incorrect inference and hence missing the buffering effects. > > On 20 Jul 2014, at 14:19, Rich Brown wrote: > >> Doc Searls >> (http://blogs.law.harvard.edu/doc/2014/07/20/the-cliff-peronal-clouds-need-to-climb/) >> mentioned in passing that he

[Bloat] Check out www.speedof.me - no Flash

Doc Searls (http://blogs.law.harvard.edu/doc/2014/07/20/the-cliff-peronal-clouds-need-to-climb/) mentioned in passing that he uses a new speed test website. I checked it out, and it was very cool… www.speedof.me is an all-HTML5 website that seems to make accurate measurements of the up and dow

[Bloat] Dave Täht quoted in the ACLU blog

See the second paragraph of: https://www.aclu.org/blog/technology-and-liberty/we-want-internet-providers-respond-internet-demand-not-shape-it signature.asc Description: Message signed with OpenPGP using GPGMail ___ Bloat mailing list Bloat@lists.buffer

[Bloat] fq_codel is two years old

Folks, I just noticed that the announcement for the first testable implementation of fq_codel was two days ago today - 14 May 2012. Build 3.3.6-2 was the first to include working fq_codel. https://lists.bufferbloat.net/pipermail/cerowrt-devel/2012-May/000233.html Two years later, we see fq_cod

Re: [Bloat] Cisco article about Bufferbloat

Thanks, Jesper, On May 8, 2014, at 6:17 AM, Jesper Dangaard Brouer wrote: > On Wed, 7 May 2014 09:20:51 -0400 > Rich Brown wrote: > >> Cisco posted a note re: Bufferbloat and their PIE algorithm the other day. >> >> I added a comment that gives a little more b

[Bloat] Cisco article about Bufferbloat

Cisco posted a note re: Bufferbloat and their PIE algorithm the other day. I added a comment that gives a little more background about the history of the problem, and acknowledges the work from the Bufferbloat project team, kernel developers, and other industry players to produce a good result.

Re: [Bloat] Describing fq_codel to a layperson

Hi folks, Serendipity is delightful. Toke had a chance to write a technical definition of fq_codel. *I* recently had occasion to describe fq_codel and bufferbloat to a layperson. So I'm posting this version to elicit comments and have a plan to post it to the bufferbloat wiki somewhere afterw

Re: [Bloat] [Codel] [Cerowrt-devel] blip: a tool for seeing internet latency with javascript

Folks, I noted a paradoxical effect using the blip tool and CeroWrt. I wrote it up and included screen shots in: http://www.bufferbloat.net/issues/430 Here's the text of the note. Any thoughts? Rich Brown Hanover, NH - CeroWrt 3.8.8-4 doesn't have as big an eff

Re: [Bloat] blip: a tool for seeing internet latency with javascript

This is indeed a cool hack. I was astonished for a moment, because it was a bedrock belief that you can't send pings from Javascript. And in fact, that is still true. Apenwarr's code sends short HTTP queries of the format shown below to each of two hosts: http://gstatic.com/generate_204 http:

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