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Date:      Tue, 7 Feb 1995 09:18:35 -0500 (EST)
From:      John Capo <jc@irbs.com>
To:        kuku@gilberto.physik.rwth-aachen.de (Christoph P. Kukulies)
Cc:        freebsd-hackers@freefall.cdrom.com (freebsd-hackers)
Subject:   Re: SLIP (ping time over 14400)
Message-ID:  <199502071418.JAA11432@irbs.com>
In-Reply-To: <199502071231.NAA19137@gilberto.physik.rwth-aachen.de> from "Christoph P. Kukulies" at Feb 7, 95 01:31:26 pm

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Christoph P. Kukulies writes:
> 
> What are the usual turn around times when pinging a host over a 14400
> SLIP link resp. what ftp rates can one expect?
> 
> I have a link running and it shows 200 ms. The ftp rate is significantly
> below 1KB/s.
> 
> Would ppp give me better results?
> 
> --Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de
> FreeBSD blues 2.1.0-Development FreeBSD 2.1.0-Development #0: Sat Feb  4
> 16:57:32  1995     kuku@blues:/usr/src/sys/compile/BLUES  i386
> 

That's in the ballpark for small packets with compression enabled
in the modem.  On my 21600 PPP link with compression enabled I get
170 ms for 56 byte pings and 320 ms for 512 byte pings.  Ftp to my
next hop router is 2.5Kb/sec for a gzipped file with the link
running at 21600.

I have not used slip but seen people that have used both say there
is no practical difference in througput.

John Capo



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