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Date:      Thu, 21 Feb 2002 12:05:41 -0500 (EST)
From:      Garrett Wollman <wollman@lcs.mit.edu>
To:        Brian White <bwhite@moab.cs.utah.edu>
Cc:        freebsd-net@FreeBSD.ORG
Subject:   SACK (and older TCP stack) availability?
Message-ID:  <200202211705.g1LH5f725219@khavrinen.lcs.mit.edu>
In-Reply-To: <Pine.BSF.4.21.0202202233150.8965-100000@moab.cs.utah.edu>
References:  <Pine.BSF.4.21.0202202233150.8965-100000@moab.cs.utah.edu>

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<<On Wed, 20 Feb 2002 23:42:33 -0700 (MST), Brian White <bwhite@moab.cs.utah.edu> said:

> net.inet.tcp.newreno.  (At the risk of exposing my naivete, does disabling
> New-Reno leave me with ... Reno?  Or possibly some FreeBSD hybrid?)

It leaves you with FreeBSD pre-New Reno.  That's Reno, plus
high-resolution timers, plus some retransmit-avoidance stuff that goes
along with the high-resolution timers.  A glance at the CVS logs for
netinet/tcp_*.c will give you an idea of where and when things have
changed.

-GAWollman



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