*BSD News Article 83587


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From: raj@cup.hp.com (Rick Jones)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: PPP: horrible telnet latency with ftp
Date: 26 Nov 1996 00:53:13 GMT
Organization: Hewlett-Packard's Network Computing Division
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Message-ID: <57df1p$q0@hpindda.cup.hp.com>
References: <572ue9$lqv@fox.comm.net>
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Pisces Iscariot (caj@emanon.comm.net) wrote:
: I'm running user mode PPP.  Everything works just fine except that
: latency over, say, a telnet connection becomes unbelievably bad when
: I am also doing an ftp transfer.  I've tried messing with the MRU, to
: no effect.  Any other ideas?

0) Drop the socket buffer size being used by FTP so it will not queue
   as much data to the link ahead of your telnet traffic

1) Implement or use TOS/QOS kinds of things so your Telnet traffic can
   cut in front of your FTP traffic going out your PPP link.

rick jones
these opinions are mine, all mine; HP might not want them anyway...