Date: Thu, 1 Mar 2012 18:02:36 +0100 From: Michael Tuexen <tuexen@fh-muenster.de> To: Maxim Konovalov <maxim.konovalov@gmail.com> Cc: src-committers@FreeBSD.ORG, Andre Oppermann <andre@FreeBSD.ORG>, svn-src-user@FreeBSD.ORG Subject: Re: svn commit: r232345 - user/andre/tcp_workqueue/sys/netinet Message-ID: <C4A480F9-0C13-4851-A2CB-6373CB49442B@fh-muenster.de> In-Reply-To: <alpine.BSF.2.00.1203012057350.91233@mp2.macomnet.net> References: <201203011618.q21GIdww086427@svn.freebsd.org> <alpine.BSF.2.00.1203012057350.91233@mp2.macomnet.net>
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On Mar 1, 2012, at 5:59 PM, Maxim Konovalov wrote: > Hi Andre, > > On Thu, 1 Mar 2012, 16:18-0000, Andre Oppermann wrote: > >> Author: andre >> Date: Thu Mar 1 16:18:39 2012 >> New Revision: 232345 >> URL: http://svn.freebsd.org/changeset/base/232345 >> >> Log: >> Increase the initial CWND to 10 segments as defined in IETF TCPM >> draft-ietf-tcpm-initcwnd-03 discussing why the higher initial window >> improves the overall performance of many web services without risking >> congestion collapse. >> >> As long as it remains a draft it is not enabled by default and placed >> under a sysctl marking it clearly as experimental: >> net.inet.tcp.exprimental.initcwnd10 >> >> Linux as of kernel 3.0 has enabled it by default. >> > Wouldn't it be better to just let user to specify icwnd size? In SCTP we have a sysctl which gives the IW in MSS... Best regards Michael > > -- > Maxim Konovalov >
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