[168796] in North American Network Operators' Group
Re: Cogent <-> Verizon peering congestion
daemon@ATHENA.MIT.EDU (James Laszko)
Tue Feb 4 19:48:02 2014
From: James Laszko <jamesl@mythostech.com>
To: Robert Glover <robertg@garlic.com>
Date: Wed, 5 Feb 2014 00:47:48 +0000
In-Reply-To: <52F17B4E.20808@garlic.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Yep. Major oversub in our area (LA/SD) - worse for us is same with VZ <-> =
L3!
James Laszko
Mythos Technology Inc
jamesl@mythostech.com=20
Sent from my iPhone
> On Feb 4, 2014, at 3:46 PM, "Robert Glover" <robertg@garlic.com> wrote:
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> Hello,
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> For the last several months, we have been tracking a congestion issue bet=
ween Cogent <-> Verizon
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> Host Loss% Snt Last Avg Best Wrst StDev
> 1. router.garlic.com 0.0% 29 0.3 6.1 0.2 160.6 29.7
> 2. vl203.mag03.sfo01.atlas.cogentco.com 0.0% 29 2.2 8.1 2.1 161=
.1 29.5
> 3. te0-0-0-14.ccr22.sfo01.atlas.cogentco.com 0.0% 29 2.9 2.7 2.=
4 3.6 0.2
> 4. be2165.ccr22.sjc01.atlas.cogentco.com 0.0% 29 4.1 4.0 3.7 =
4.8 0.2
> 5. be2047.ccr21.sjc03.atlas.cogentco.com 0.0% 29 4.5 4.7 4.3 =
5.5 0.3
> 6. verizon.sjc03.atlas.cogentco.com 22.2% 28 169.3 171.5 168.1 193.5 =
6.9
> 7. so-1-0-0-0.SJC01-CORE-RTR2.verizon-gni.net 37.0% 28 205.8 180.6 17=
1.6 271.6 24.8
> 8. A12-0-135.SNFCCA-DSL-01.verizon-gni.net 33.3% 28 172.3 177.5 171.7=
250.8 18.3
> 9. pool-71-116-122-235.snfcca.btas.verizon.net 25.0% 28 197.9 197.6 1=
95.5 199.2 0.8
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> We have smokeping's from our side showing 30%+ packet loss from us (AS430=
7) to Verizon.
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> All I have gotten from Cogent is a canned response:
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> ---
> The latency and/or packet loss that you are experiencing to this destinat=
ion is due to occasional high traffic with Verizon. We have repeatedly requ=
ested augments to these congestion points and hope Verizon will comply soon=
. While this has been escalated internally to the CEO level, we encourage =
you to also contact Verizon customer support with your concerns and complai=
nts. Their delay is a major impediment to internet traffic overall and con=
trary to net neutrality requirements. Our peering engineers will continue =
to address this on a daily basis until resolved.
> ---
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> It seems to have gotten a lot worse in recent days, to the point where we=
have customers who are trying to access us from Verizon's network (i.e. th=
ey have Verizon DSL, or via Verizon 3G/4GLTE) complaining they are having a=
very hard to checking their email, etc.
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> Has anyone else been experiencing these issues? Or does anyone have more=
information that what Cogent provided me in their canned statement?
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> -Bobby
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