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Article #167

Re: D.max and FDDI configuration

#167
From: Vernon Schryver
Date: Mon, 07 Sep 1992 00:00
30 lines
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In article <1992Sep6.211409.16525@menudo.uh.edu>, stan@casc.math.uh.edu (Stan Hanks) writes:
> In article <48073410@Vanadium.NTT.JP> murakami@ntt-20.ntt.jp writes:
> >Hello,
> >
> >I have a question about FDDI limits in its configuration. ...
> >So, here is my question. If we have a small number of nodes
> >compared to the assumed (1000 links), it seems we can have longer
> >distance than 2000km. Is it right? 
> 
> Been there. Done it. 
> 
> See my paper from Winter '92 USENIX. We've run FDDI rings that are *BIG* --
> right at 80 miles long with only 5 nodes. 


What TTRT do you use?

What is the aggregate ring bandwidth that you use?  (in other words,
(microseconds while some station is transmitting data) / 1000000)

What is the maximum TCP/IP speed you can do between any pair of
stations?

I wouldn't be surprised if no or few of your 5 stations do TCP/IP on
their own behalf, so maybe this is the better question;
what is the maximum forwarding rate (either bridging or routing) in
Bytes/sec between any pair of stations?


Vernon Schryver,  vjs@sgi.com
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From: vjs@rhyolite.wpd.sgi.com (Vernon Schryver)
Subject: Re: D.max and FDDI configuration
Message-ID: <phc8hcg@rhyolite.wpd.sgi.com>
Organization: Silicon Graphics, Inc.  Mountain View, CA
References: <48073410@Vanadium.NTT.JP> <1992Sep6.211409.16525@menudo.uh.edu>
Date: Mon, 7 Sep 1992 00:00:33 GMT
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