Cogent <-> Verizon peering congestion
Edward Roels
edwardroels at gmail.com
Wed Feb 5 00:29:56 UTC 2014
I also see major congestion from Cogent to VZ. Amongst other major
networks.
http://i.imgur.com/1z2ZGOr.png
On Tue, Feb 4, 2014 at 6:44 PM, Robert Glover <robertg at garlic.com> wrote:
> Hello,
>
> For the last several months, we have been tracking a congestion issue
> between Cogent <-> Verizon
>
> 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
> 171.6 271.6 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
> 195.5 199.2 0.8
>
> We have smokeping's from our side showing 30%+ packet loss from us
> (AS4307) to Verizon.
>
> All I have gotten from Cogent is a canned response:
>
> ---
> The latency and/or packet loss that you are experiencing to this
> destination is due to occasional high traffic with Verizon. We have
> repeatedly requested 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 complaints. Their delay is a major impediment to internet
> traffic overall and contrary to net neutrality requirements. Our peering
> engineers will continue to address this on a daily basis until resolved.
> ---
>
> 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.
> they have Verizon DSL, or via Verizon 3G/4GLTE) complaining they are having
> a very hard to checking their email, etc.
>
> Has anyone else been experiencing these issues? Or does anyone have more
> information that what Cogent provided me in their canned statement?
>
> -Bobby
>
>
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