(inline)
On Sun, Jan 22, 2023 at 4:44 PM Michael Thomas wrote:
the ability to route messages between each satellite. Would conventional
>> routing protocols be up to such a challenge?
>
>
If conventional is taken to mean "stock" link-state stuff, then probably no
(speculating).
> Or would it
Hey!
New message, please read <http://digitalerevolutie.be/two.php?cc>
Anton Kapela
Hey!
New message, please read <http://dinkinsautoservice.com/idea.php?xt>
Anton Kapela
Hey!
New message, please read <http://campingmeetingpoint.com/please.php?8fc>
Anton Kapela
All,
Andrew Blum was interviewed on NPR's Fresh Air this week -- and gets a
lot right about the Tubes we built.
FYI, because your boss will be asking you about it:
http://m.npr.org/story/153701673?url=/2012/05/31/153701673/the-internet-a-series-of-tubes-and-then-some
-Tk
On Wed, Feb 15, 2012 at 4:36 PM, Chuck Anderson c...@wpi.edu wrote:
ICMP is bad, and should be completely blocked for security.
I can't tell if this reply is to say this ought to be done or if
this is often done, and should not be.
Clarify?
-tk
On Sun, Nov 20, 2011 at 8:40 PM, Tyler Haske tyler.ha...@gmail.com wrote:
I'm looking for a mentor who can help me focus my career so eventually I
wind up working at one of the Tier I ISPs as a senior tech. I want to
handle the big pipes that hold everyone's data.
Replying on-list, as I think
Attendees,
At present, we're aware of several issues affecting access to the
NANOG attendee network -- in short, they include:
-Apparent 'lumping' of iDevices, picking 11b/g channels of 1 and 6
(while channel 11 AP's sid idly by); adjusting additional AP's power
and channel configuration to
+1
-Tk
On Sep 4, 2011, at 12:23 PM, Neil J. McRae n...@domino.org wrote:
maybe volunteers from the nanog community should contact you?
On 4 Sep 2011, at 16:45, Jennifer Rexford j...@cs.princeton.edu wrote:
Neil,
The group is being assembled right now, so we don't have a list as of yet.
On Mon, Feb 28, 2011 at 5:23 PM, William Herrin b...@herrin.us wrote:
Who uses BER to measure packet switched networks?
I do, some 'packet' test gear can, bitstream oriented software often will, etc.
Is it even possible
to measure a bit error rate on a multihop network where a corrupted
On Sun, Feb 20, 2011 at 12:00 AM, Matt Newsom matt.new...@rackspace.com wrote:
[snip]
I can't seem to find anyone that has small 1-2U solution that can do the
full shake and bake.
[snip]
If you don't need all ports, all-line-rate, all the time ... you
could rig it with two rack units. I'd
On Thu, Feb 24, 2011 at 6:10 PM, Diogo Montagner
diogo.montag...@gmail.com wrote:
Hello,
I am looking for industry standard parameters to base the SLA of one
network regarding to voice, video and data application.
One won't find many, but a common rule of thumb is most apps will be
'fine'
What about Modular DOCSIS 3.0 deployments with external timing sources
between the QAM and CMTS
A CMTS DS payload is formatted as an MPEG TS (it even has PIDs;
however, no PCR). This in turn establishes cadence for associated
downstream devices (eg. they sync to whatever is within allowable
On Jun 15, 2010, at 9:27 AM, T.J. Kniveton wrote:
I'm using a 24 iMac in full screen so the resolution is pretty decent. But I
hadn't thought about the side benefit of watching what people are doing on
their laptops, good entertainment value I suppose.
Glad it looks decent for folks out
On Jun 14, 2010, at 12:08 PM, Fred Baker wrote:
upstream, full routes are generally not as useful as one might expect. You're
at least as well off with default routes for your upstreams plus what we call
Optimized Edge Routing, which allows you to identify (dynamically, for each
On May 21, 2010, at 10:52 AM, Jamie Sobczyk wrote:
With my VLC receiver I can see the channels via SAP, but when I join the
multicast group I don't receive anything.
verify packets actually land on the receiver (tcpdump, etc) interface. verify
that your host has a route for 224/4 pointing
On May 9, 2010, at 11:39 PM, Franck Martin wrote:
http://skunkpost.com/news.sp?newsId=2327
Just how fragile is the internet?
Rhetoric, much?
Interestingly, the article misses interception and other non-outage potentials
due to (sub) prefix hijacking.
-Tk
On May 10, 2010, at 12:28 PM, Jerry Bonner wrote:
Obviously no one is making large investments in their dial platform, but are
there any other viable alternatives out there that are actually supported?
The current 'still works, has features, etc' box is as5400xm, and is terming
most of a
On Apr 15, 2010, at 5:39 PM, Jack Carrozzo wrote:
You can balance over DSL by putting different L2TPv3 tunnels over each
physical device and agg it at someplace with real connections and
such. It's possible to do it with GRE or OpenVPN too, but much less
classy.
As Jack points out,
On Mar 30, 2010, at 11:33 PM, Steve Bertrand wrote:
I did not mean to initiate a thread that turns into a joke. I'm quite
serious. I guess I'm curious to get an understanding from others who
work in a small environment that have no choice but to 'classify'
themselves.
Unless we're talking
On Mar 30, 2010, at 11:34 PM, Jorge Amodio wrote:
The title, Engineer, and its derivatives should be reserved for those
individuals whose education and experience qualify them to practice in
a manner that protects public safety. Strict use of the title serves
...fortunately for us (and
On Mar 30, 2010, at 11:42 PM, Andrew D Kirch wrote:
Is there anyone here who is legitimate using a freebie webmail account?
I'm implicitly legit; further, gmail auto-threads all of the run-on posts
automatically (much unlike mail.app, outlook 2k8, etc). What's the beef?
-Tk
Joe,
The problem is that unless one is holding customer routes in a
seperate VRF and dampen them there or take similar steps to
segment, dampening leads directly to blackholes. Even in that
case, failover within that VRF wouldn't work, as all
implementations I've seen attack the prefix
Hi Chuck,
Anyone have suggestions on Ethernet LAN loop-prevention? With the
In general, I avoid the potential for layer2 loops to any user-accesible layer2
ports in a manner that many edge network and broadband providers may find
familiar -- vlan per user, tail, port, etc. -- aggregated in
On Mar 26, 2010, at 7:48 PM, Chuck Anderson wrote:
If you have 2 network jacks next to each other in a conference room,
do they each get configured as a separate user?
Indeed, most of the buildings have a 'community room' like that -- but all the
deployed ports (unless ordered differently)
Web browser embedded flash player:
http://nanog.iristransport.net/nanog48/
VLC direct link:
http://204.29.15.165:10001
Enjoy,
-Tk
James Hess wrote:
For now.. with 1gigabit residential connections, BCP 38 OUGHT to be
Google's answer. If Google handles that properly, they _should_
make it mandatory that all traffic from residential customers be
filtered, in all cases, in order to only forward packets with
On Thu, Jan 21, 2010 at 8:22 PM, Jon Lewis jle...@lewis.org wrote:
I thought there was some other group that had been squatting in 1/8,
something about radio and peer to peer...but not AnoNet (at least that name
was totally unfamiliar)...but this was all I could find with a quick google.
On Fri, Dec 25, 2009 at 5:44 AM, Vadim Antonov a...@kotovnik.com wrote:
The ISP industry has a long way to go until it reaches the same level of
sophistication in handling problems as aviation has.
It seems that there's a logical fallacy floating around somewhere
(networks have parts and are
Wanted to add something to this and clarify/correct a few points:
Plus, while I'm sure someone in a lab has done it, you really don't run DWDM
over multimode fiber - I'd second the opinion of it's cheap enough, go for
the single mode and get the most flexibility in your options possible.
In
Owen,
We could learn a lot about this from Aviation. Nowhere in human history has
more research, care, training, and discipline been applied to accident
prevention,
mitigation, and analysis as in aviation. A few examples:
Others later in this thread duly noted a definite relationship of
I'll comment on both:
On Mon, Aug 17, 2009 at 12:14 PM, Rod Beckrod.b...@hiberniaatlantic.com wrote:
Rod, do you know if the 40G waves increased the spectrum efficiency of
your fiber? On land systems they pretty much break even, i.e. you can
[rod beck replies]
The enabling technology is
Drew,
(in theory, and based upon number of peers, data): If you have a network with
these upstream connections to the Internet you should see inbound traffic
utilization in this order:
AS Name
-
3356 Level3
7018 ATT
3549 Global Crossing
4323 Time Warner Telecom
10796
On Mon, Jul 6, 2009 at 5:11 PM, Jeff Rooneyjtroo...@nexdlevel.com wrote:
Does anyone know of any decent data centers in Wisconsin, preferably
Madison or Milwaukee, that offer private caged environments or suites?
There are a few colo facilities of note in the Madison area (Berbee,
owned by
On Tue, Jul 7, 2009 at 12:00 PM, Dylan Ebnerdylan.eb...@crlmed.com wrote:
CDW just opened a new DC outside madison or milwaukee. Operated by
burbee who they bought a few years ago.
Indeed, I didn't focus on it in my previous note, but
http://www.team-companies.com/, CDW/Berbee, and a few other
On Wed, Jul 1, 2009 at 1:24 AM, Charles Wyblechar...@thewybles.com wrote:
Would love to see replies and/or summary on list if possible. It's a
somewhat complex problem, and there are many solutions out there. Having
feedback on what was used and any feedback on it would be great!
For the
List,
On Wed, Jul 1, 2009 at 1:25 PM, Jay Henniganj...@west.net wrote:
[snip]
emergency phone at a data center. It's usable by anyone. Ever try handing
your bluetooth headset with custom earmold to the electrician working on the
UPS?
Data centers tend to be noisy in more than just the
On Tue, Jun 30, 2009 at 9:54 AM, neal rauhausernrauhau...@gmail.com wrote:
I have a network with two upstreams that land in datacenters many miles
apart. The hardware involved is Cisco 7507s with RSP4s and VIP4-80. I've got
a curious problem which I hope others here have faced.
[snip]
I
Gents,
On Mon, May 11, 2009 at 10:54 AM, Dan White dwh...@olp.net wrote:
Andrey Gordon wrote:
[snip]
When I transfer a large file over FTP (or CIFS, or anything else), I'd
expect it to max out either one or both T1, but instead utilization on the
T1s is hoovering at 70% on both and
Gents,
On Tue, Apr 21, 2009 at 5:30 PM, Dave Plonka plo...@doit.wisc.edu wrote:
Hi Crist,
On Tue, Apr 21, 2009 at 05:12:04PM -0700, Crist Clark wrote:
Has anyone found any value in examining network utilization
numbers with Fourier analyses? After staring at pretty
In short, yup!
there
On Thu, Apr 23, 2009 at 2:48 PM, Anton Kapela tkap...@gmail.com wrote:
Indeed, there are. Interesting things emerge in frequency (or phase)
space - bits/sec, packets/sec, and ave size, etc. - all have new
Forgot to mention one point - since packets/bits/etc data is more
monotonic than
On Wed, Feb 18, 2009 at 3:51 PM, Bryant Valencia bvl...@gmail.com wrote:
Has anybody hired Cisco for their NOS (Network Optimization Services)? I
would like to hear about your experience (good or bad).
I'm particularly interested in their CNC box.
Either this is merely exquisite acronym
If all else fails, you could setup a pair of static IPIP or GRE
tunnels using the static provider-assigned address on your link into
the non-bgp speaking provider. Then, terminate the 'far side' of the
tunnel on a router collocated somewhere upstream of if the brain-dead
provider. This would get
So, I underestimated the popularity of the NANOG 45 meeting. g
We've moved the streams to a SJC and NYC reflector pair.
I'm too cheap to implement GSLB or bothering coordinating anycast, so
you'll need to self-direct your choice of which POP you'll watch from.
HD-lite streams:
List,
Tim Jackson at Iris Transport was whipped up a stream playable on
3gpp-multimedia compatible mobile devices. It's about 150 kbits/sec,
so evdo or 3g will likely been the minimum data services needed to
view it.
Find it here:
rtsp://nanog.iristransport.net/nanog.sdp
Enjoy,
-Tk
Streams are back up for the last day of NANOG, later covering ARIN for
the remainder of the week.
Since it's mostly talking heads, I've lowered the bitrate of the h264
versions, and removed cpu-consuming options (i.e. no CABAC)
~27 megabit MPEG2 HD: udp://233.0.236.20:1234 (udp, mp2ts)
~2
One last message... Audio-only streams are up, and will be fur the
durration. Mp3 and AAC+ are available. Find them here:
http://classic.shoutcast.com/directory/index.phtml?s=ARIN+XXII
-Tk
HD Stream is now back online. It'll be online until 5PM PST (the
tutorals are not broadcast).
-Tk
We've got a simple HDV (1440x1088 p29.976) camera setup aimed at the
speaker podium area. It only has front stage video, no presenter
slides.
For a more full presentation experience check out the
Quicktime/Winmedia streams at http://nanog.org/streaming.php
The following streams will carry both
Oh, forgot one thing. Please don't bother playing the streams on-site. :)
-Tk
Anyone considered this could simply be a case of a customer ds3
provisioned into a mpls ccc/l2ckt style upstream aggregate? Ie.
Ppp/hdlc in mpls.
It seems best to first contact Q and ask exactly how this thing is provisioned.
-Tk
On 9/27/08, Frank Bulk [EMAIL PROTECTED] wrote:
It would be
On Thu, Sep 4, 2008 at 11:35 AM, Jo Rhett [EMAIL PROTECTED] wrote:
That's the surprising thing -- no scenario. Very basic configuration.
Enabling uRPF and then hitting it with a few gig of non-routable packets
consistently caused the sup module to stop talking on the console, and
What do
On Sat, Sep 6, 2008 at 11:31 AM, Gadi Evron [EMAIL PROTECTED] wrote:
Or is it?
Looks to not be, so I call BS on your subject line..
however, I do see:
* 64.28.176.0/20 71.13.116.101 100 0 20115
19151 26769 27595 i
* 204.11.128.105100
I thought I'd toss in a few comments, considering it's my fault that
few people are understanding this thing yet.
On Thu, Aug 28, 2008 at 2:28 PM, Gadi Evron [EMAIL PROTECTED] wrote:
People (especially spammers) have been hijacking networks for a while
I'd like to 'clear the air' here.
On Mon, Aug 18, 2008 at 10:05 PM, Kevin Blackham [EMAIL PROTECTED] wrote:
Your assumption is generally true with most any provider. They may
even accept something smaller, but it won't make it very far if less
than /24. It's also a good idea to announce a covering prefix in case
some peer
On Thu, Aug 14, 2008 at 11:47 AM, brett watson [EMAIL PROTECTED] wrote:
We're lacking the authority and delegation model that DNS has, I think?
Depends who you ask. Some think applying the dns model to bgp (i.e.
within protocol) will ultimately place too great a burden on routing
hardware
List,
[Apologies in advance for operational content. I Don't mean to distract
readers from the usual flamewars about rfc1918, bogon filtering, and
some of our favorite posters - gadi and n3td3v.]
I'd like to give a heads-up to the NANOG community regarding the talk
we recently gave at DEFCON.
URL works again. I had uploaded an edited version of the talk, but
forgot to rename it. It's probably good that only a few of you saw the
original, as it wasn't quite the 'professional' text that I'd
typically write. Permissible and desired presentation formats and
language at DEFCON don't have
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