Re: Cogent <-> Verizon peering congestion

[James Laszko <jamesl () mythostech com>]

Yep.  Major oversub in our area (LA/SD) - worse for us is same with VZ <-> L3!


James Laszko
Mythos Technology Inc
jamesl () mythostech com 

Sent from my iPhone

> On Feb 4, 2014, at 3:46 PM, "Robert Glover" <robertg () 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