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Date:      Thu, 6 Jul 2000 10:46:21 -0500 (CDT)
From:      Jonathan Lemon <jlemon@flugsvamp.com>
To:        jayanth@yahoo-inc.com, net@freebsd.org
Subject:   Re: slowstart_flightsize 
Message-ID:  <200007061546.KAA19759@prism.flugsvamp.com>
In-Reply-To: <local.mail.freebsd-net/20000705132637.A26858@yahoo-inc.com>

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In article <local.mail.freebsd-net/20000705132637.A26858@yahoo-inc.com> you write:
>Not sure if this issue has been discussed before.
>
>Am I right in assuming that the sysctl value 
>net.inet.tcp.slowstart_flightsize should never be
>set to zero ?  If this value is zero the congestion window 
>is reduced to 1 byte not one segment during slow start. 
>Just wondering if a check should be added that sets the
>congestion window to one segment even if slowstart_flightsize = 0.

Yes, there probably should be a safety belt of some sort, the range
of this should probably be something like 1 .. 5 (or some other small
number).  I didn't put in any checks, since I figured that the people
tweaking this knob would already know what its purpose was.
--
Jonathan


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