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SubjectRe: [patch] delayed acks decrease performances in congestioned networks
   From: Andi Kleen <ak@muc.de>
Date: 17 Nov 1998 16:23:52 +0100

In article <E0zfUWw-0007KA-00@danube.inka.de>,
olaf@bigred.inka.de (Olaf Titz) writes:
>> For extremely shitty networks (I mean here, every other packet always
>> dropped etc.), delayed acks are worse than non-delayed ones. But as
>> you mention it contributes to congestion and degrades performance for
>> people with at least half-way decent connectivity.

> This clearly marks it as a sysctl candidate.

It is already settable:

setsockopt(sk, SOL_TCP, TCP_NODELAY, ((int *){1}), sizeof int);

Last time I checked that controls the Nagle algorithm, it doesn't
control delayed ACKs at all.

Later,
David S. Miller
davem@dm.cobaltmicro.com

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