[97843] in North American Network Operators' Group
Re: TCP congestion
daemon@ATHENA.MIT.EDU (Jared Mauch)
Thu Jul 12 15:20:23 2007
Date: Thu, 12 Jul 2007 15:18:21 -0400
From: Jared Mauch <jared@puck.nether.net>
To: Philip Lavine <source_route@yahoo.com>
Cc: nanog <nanog@merit.edu>
In-Reply-To: <30366.27320.qm@web30805.mail.mud.yahoo.com>
Errors-To: owner-nanog@merit.edu
On Thu, Jul 12, 2007 at 11:07:00AM -0700, Philip Lavine wrote:
>
> Can someone explain how a TCP conversation could degenerate into congestion avoidance on a long fat pipe if there is no packet/segment loss or out of order segments?
>
> Here is the situation:
> WAN = 9 Mbps ATM connection between NY and LA (70 ms delay)
Do you know there is no cell loss on your ATM path? Have you
also accounted for SAR overhead?
Do you know if they use any sort of cell-chaining technology
in their network to reduce overhead?
- Jared
--
Jared Mauch | pgp key available via finger from jared@puck.nether.net
clue++; | http://puck.nether.net/~jared/ My statements are only mine.
