Date: Sun, 25 Feb 2001 21:46:26 -0500 (EST) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: Jonathan Lemon <jlemon@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/netinet tcp_input.c Message-ID: <200102260246.VAA59784@khavrinen.lcs.mit.edu> In-Reply-To: <200102251517.f1PFHOV53023@freefall.freebsd.org> References: <200102251517.f1PFHOV53023@freefall.freebsd.org>
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<<On Sun, 25 Feb 2001 07:17:24 -0800 (PST), Jonathan Lemon <jlemon@FreeBSD.org> said:
> Do not delay a new ack if there already is a delayed ack pending on the
> connection, but send it immediately. Prior to this change, it was possible
> to delay a delayed-ack for multiple times, resulting in degraded TCP
> behavior in certain corner cases.
Quoth RFC 1122 (Host Requirements):
be excessively delayed; in particular, the delay MUST be
less than 0.5 seconds, and in a stream of full-sized
segments there SHOULD be an ACK for at least every second
segment.
-GAWollman
--
Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu | O Siem / The fires of freedom
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick
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