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Date:      Thu, 8 Aug 2002 17:36:54 -0500 (CDT)
From:      Mike Silbersack <silby@silby.com>
To:        "Henderson, Thomas R" <thomas.r.henderson@boeing.com>
Cc:        freebsd-net@freebsd.org
Subject:   RE: [patch] Possible newreno fix, please test
Message-ID:  <20020808173357.N52867-100000@patrocles.silby.com>
In-Reply-To: <00EBC850E752CC46B8509DAB4D0D2CB910691A@xch-nw-29.nw.nos.boeing.com>

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On Thu, 8 Aug 2002, Henderson, Thomas R wrote:

> I'm curious to the motivation behind this patch.  What have people
> experienced that this patch corrects?
>
> The first fix appears to disable the artificial window inflation
> that occurs during the recovery period-- intended to keep data
> flowing in the pipe so ack clocking doesn't break down.
>
> The second fix should not have much of an impact (difference
> of one segment in cwnd when you leave fast recovery)-- but
> does have a possible side effect of leaving you with a cwnd
> of zero.
>
> Tom

Ruh roh, now I'm confused.  From the comment at this url:

http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/netinet/tcp_input.c?rev=1.69&content-type=text/x-cvsweb-markup&cvsroot=openbsd&f=h

I assumed that you submitted the newreno parts, but I guess that was _not_
the case.  Were your fixes more related to SACK/FACK?

Mike "Silby" Silbersack


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