Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!ENCORE.COM!bzs
From: bzs@ENCORE.COM (Barry Shein)
Newsgroups: comp.protocols.tcp-ip
Subject: MacII FTP speeds on Ethernet
Message-ID: <8907250124.AA23044@multimax.encore.com>
Date: 25 Jul 89 01:24:24 GMT
References: <9559@phoenix.Princeton.EDU>
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 19


>Can somebody tell me what the bottleneck is on FTP transfer rates for
>a MacII on ethernet?  I am running two MacII's on a subnet in the 
>Atmospheric Sciences program here at Princeton, with a Sun 3/280
>file server also on the net.  I have the Apple ethernet cards in
>the machines, and am running NCSA Telnet 2.3 (which has server
>FTP support).  Basically, between the mac and the server I am
>getting no better than about 35K bytes/sec for binary transfers,
>no matter how I tweak the protocol parameters.

I believe if you run benchmarks writing the disk locally you'll find
it peaks at around 50K bytes/sec. With the additional overhead of the
network activity (those disks are all PIO, right?) you're probably
doing well at those speeds.

	-Barry Shein

Software Tool & Die, Purveyors to the Trade
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