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Article #8264

Re: How fast should the EtherTalk board be?

#8264
From: David Sappington
Date: Wed, 22 Nov 1989 07:06
28 lines
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neil@yc.estec.nl (Neil Dixon) states:
> We have a Macintosh EtherTalk Interface Card installed in a Mac II.
> When using the FTP in NCSA Telnet we only seem to get transfer rates
> of approx 4Kb/sec when talking to other machines on our network. File
 
Using a Max IIx with Apple's EtherTalk card running NCSA Telnet 2.3
with the MacTCP driver I get anywhere from 30-70 Kbytes/sec when ftping
from Sun 3/60s.  The upper end occurs when the sun and mac share the
same subnet while the lower end prevails when the machines are routed
across the university's broadband network.
 
The 4Kb/sec is more typical of a Mac communicating across LocalTalk --
I seem to recall a typical xfer speed of 2-8 Kb/sec under such conditions.
 
There are currently two versions of NCSA Telnet (not counting BYU's
additions): one that uses MacTCP and one that uses an older encapsulation
scheme (a.k.a NCSA driver).  I doubt that the latter will be as fast
across EtherNet.  Of course using the NCSA driver is free while MacTCP
is sold through APDA.

You can obtain the latest version(s) of NCSA Telnet via anonymous ftp
from zaphod.ncsa.uiuc.edu (128.174.20.50).

Dave Sappington
Inst. for Parallel Computation
University of Virginia
des7f@virginia.edu
des7f@virginia.bitnet
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From: des7f@ra.cs.Virginia.EDU (David Sappington)
Newsgroups: comp.sys.mac
Subject: Re: How fast should the EtherTalk board be?
Message-ID: <673@ra.cs.Virginia.EDU>
Date: 22 Nov 89 07:06:16 GMT
Organization: U.Va. CS Department, Charlottesville, VA
Lines: 28