Re: observation

Rik van Riel (
Sat, 2 May 1998 17:14:56 +0200 (MET DST)

On Sat, 2 May 1998, allspeed wrote:

> maybe i'm wrong but can it be a problem in 2.1.9? kernels?

Actually it's a fix :)

> since i've upgrade to 2.1.97 and 2.1.98 this morning when a file transfer
> starts on my system it's like it stalled everything else that uses the
> pppd i had pppd 2.3.3 i upgraded to 2.3.4 this morning still the same
> thing maybe something i mistset but maybe someone else got the same thing
> after upgrading!

The newer kernels perform faster TCP, so you can
ftp/http with more bandwidth. Unfortunately this
can degrade interactive performance when the
remote end doesn't do packet queueing (see CBQ
scheduler & for more info).
TCP isn't guaranteed to be fair, and with the new
faster ACKing code interactive performance is more
heavily dependant on the remote end...

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