Re: Packet Scheduling
Mark Shapiro (mark@award.bios.net)
Tue, 27 Jan 1998 14:59:03 -0500 (EST)
> Kevin Lentin writes:
> > What I want is for interactive telnet sessions to be responsive while an
> > ftp or http request is being processed. Under term, packets were
> > prioritised based on client. I'm expecting you can't do that in tcp but
> > size should be a good approximation.
>
> I haven't tried linux packet scheduling yet, but my guess is that, since
> the scheduler can only control transmit queues, interactive sessions'
> performance while doing FTP transfers over serial links will not be much
> improved. Am I right?
>
> Unless, of course, the other side is Linux too, which happens more and
> more often to me. ;)
Given that FTP is usually ports 20/21, HTTP is usually 80, and Telnet is almost
always 23, a packet scheduling based on port number, where port 23 is given
the highest priority, and all other ports are given a lower priority,
should be possible...