Date: Wed, 17 Apr 2002 18:52:28 +0200 From: Christophe Prevotaux <c.prevotaux@hexanet.fr> To: Damon Permezel <dap@damon.com> Cc: A.Isaev@astelit.ru, freebsd-net@FreeBSD.ORG Subject: Re: FreeBSD 4.5 and network problems Message-ID: <20020417185228.7bada407.c.prevotaux@hexanet.fr> In-Reply-To: <20020417160045.GQ343@fubar.damon.com> References: <16114655943.20020417131347@astelit.ru> <20020417160045.GQ343@fubar.damon.com>
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Are you talking about IP over Satellite link ? On Wed, 17 Apr 2002 11:00:45 -0500 Damon Permezel <dap@damon.com> wrote: > Not sure about the initial delays, but I found a bug which does cause > throughput to drop dramatically once it is hit. > > Consider the sender of a bulk data transfer (1/2 duplex). > When header prediction is successful, the ACK stream coming back > is handled by the fast path code. For this to be true, the window info > in that ACK stream cannot change. > > tiwin && tiwin == tp->snd_wnd -- =============================================================== Christophe Prevotaux Email: c.prevotaux@hexanet.fr HEXANET SARL URL: http://www.hexanet.fr/ Z.A.C Les Charmilles Tel: +33 (0)3 26 79 30 05 3 Allée Thierry Sabine Direct: +33 (0)3 26 79 08 02 BP202 Fax: +33 (0)3 26 79 30 06 51686 Reims Cedex 2 FRANCE HEXANET Network Operation Center =============================================================== To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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