Date: Sun, 2 Dec 2001 20:47:02 -0800 From: Luigi Rizzo <rizzo@aciri.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Richard Sharpe <sharpe@ns.aus.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: Patch #3 (TCP / Linux / Performance) Message-ID: <20011202204702.A54149@iguana.aciri.org> In-Reply-To: <200112020810.fB28Arr77757@apollo.backplane.com> References: <20011128153817.T61580@monorchid.lemis.com> <15364.38174.938500.946169@caddis.yogotech.com> <20011128104629.A43642@walton.maths.tcd.ie> <5.1.0.14.1.20011130181236.00a80160@postamt1.charite.de> <200111302047.fAUKlT811090@apollo.backplane.com> <200111302130.fAULUU324648@apollo.backplane.com> <3C08CF9D.2030109@ns.aus.com> <200112012138.fB1LcG837063@apollo.backplane.com> <200112020810.fB28Arr77757@apollo.backplane.com>
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On Sun, Dec 02, 2001 at 12:10:53AM -0800, Matthew Dillon wrote: ... > There are still a couple of unresolved issues. I noticed that when > connecting locally TCP is non-optimal... when sending a 4100 byte > data block it sends two 1460 byte packets (maxseg), then one > 1176 byte packet and one 4 byte packet. The 1176 byte packet is curious, as the loopback's MTU is normally 16384. Also, any idea on where does the 4096 limit (1460*2+1176) come from ? cheers luigi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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