nanog mailing list archives

Re: Comcast/Level3 issues


From: Paul WALL <pauldotwall () gmail com>
Date: Sun, 5 Jan 2014 01:22:59 -0500

The people pushing this policy are not without a face and name.  They read
this mailing list, and attend our conferences.  You'll want to talk to John
Schanz, Kevin McElearney, and Barry Tishgart.

Drive Slow (like a Comcast peering port),
Paul Wall


On Fri, Jan 3, 2014 at 10:55 AM, Scott Berkman <scott () sberkman net> wrote:

Comcast having saturated links to other providers is a common and
frequently discussed issue.  Here is one previous NANOG thread on the topic:

http://mailman.nanog.org/pipermail/nanog/2010-December/029251.html

And a related article:
http://www.dslreports.com/shownews/Claims-Resurface-
Concerning-Congested-Comcast-TATA-Links-111818

There are debates back and forth on the validity of the graphs from the
NANOG post, but it is a fact that at that time Comcast was heavily
pre-pending their Level BGP advertisements to force traffic over to Tata,
and many many people noticed congestion at those links in a variety of
markets.

I wish you luck, but my personal opinion is that your fastest resolution
would be to move to another provider.  Comcast is a residential ISP that
lives on extreme over-subscription and not actually being able to deliver
what customers believe they have. You'll notice a lot of recent news about
increased and more strict data caps for their subscribers, and that is the
only thing they will likely be doing to relieve these types of recurring
issues.

  -Scott



On 01/02/2014 11:18 PM, R W wrote:

I'm seeing the same as well. Can anyone from Comcast/Level(3) reach out
to me or provide comment. We're seeing heavy jitter and some packet loss
most noticeable in NYC area connections between Level(3) and Comcast.
-Rob

 Date: Tue, 31 Dec 2013 09:45:00 -0800
Subject: Comcast/Level3 issues
From: dwheet () gmail com
To: nanog () nanog org

Looking for a networking contact at comcast and/or level3.  I've been
having some slow speed issues with hitting some sites that's going
through
level3 and I think there might be some congestion.

Doug







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