Re: sendfile+zerocopy: fairly sexy (nothing to do with ECN)

Pavel Machek (pavel@suse.cz)
Mon, 29 Jan 2001 22:50:08 +0100


Hi!

> Advantage of Tulip and AMD is that they perform much better in my experience
> on half duplex Ethernet than other cards because they a modified
> patented backoff scheme. Without it Linux 2.1+ tends to suffer badly from
> ethernet congestion by colliding with the own acks, probably because it
> sends too fast.

Is that real problem? If so, some strategic delay loop should do the
trick...
Pavel

-- 
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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