[95987] in North American Network Operators' Group
Re: Thoughts on increasing MTUs on the internet
daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Thu Apr 12 16:55:24 2007
Date: Thu, 12 Apr 2007 22:48:09 +0200 (CEST)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: NANOG list <nanog@merit.edu>
In-Reply-To: <OF91C25F2C.6DB7BE67-ON852572BB.006F5252-852572BB.0070C7FD@csc.com>
Errors-To: owner-nanog@merit.edu
On Thu, 12 Apr 2007, Joe Loiacono wrote:
> Window size is of course critical, but it turns out that MTU also impacts
> rates (as much as 33%, see below):
>
> MSS 0.7
> Rate = ----- * -------
> RTT (P)**0.5
>
> MSS = Maximum Segment Size
> RTT = Round Trip Time
> P = packet loss
So am I to understand that with 0 packetloss I get infinite rate? And TCP
window size doesn't affect the rate?
I am quite confused by this statement. Yes, under congestion larger MSS is
better, but without congestion I don't see where it would differ apart
from the interrupt load I mentioned earlier?
--
Mikael Abrahamsson email: swmike@swm.pp.se
