Re: Multiple packets pr. token

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From: Jan Henriksen
Date: Tue, 27 Oct 1992 17:59

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There's been several suggestions on this question. I still believe
that our observation is correct, and that this -somehow- is an 
implemation issue. Here's a short cut from a 9-month old email message:

> 2. Your second question had to do with the BSI.
> 
> 	Yes you are right my answer was wrong (I'm sorry).  The NS chip
>	does support multiple pkts per token.  However, our implementation
>	of the BSI does not support this feature.

At the time it was not a big issue, now it may become one. Note that
we're observing ~50Mbps throughput with this adapter (ttcp -l50000), 
so it is not exactly slow either. Applications using TCP have observed
throughput of ~3000KB/s, and as I stated previously, 'tcpdump' will
show that packets are being sent at approx. 1ms intervals. The application
uses a 48KB packet-size, leaving all questions of fragmentation and
physical network packet sizes to the network protocol layers.

It would be useful if I could get a hands-up/down from vendors, about
whether they have implemented this feature or not. It's my impression
that not many *have*, but there is only one vendor that I have thoroughly
scrutinized, and where I feel comfortable about giving opinions ...

-- 
Jan Berger Henriksen
Institute of Informatics		E-mail:	jan@eik.ii.uib.no
University of Bergen
H|yteknologisenteret
N - 5020 Bergen,			Phone : 47-5-544173
Norway					Fax   : 47-5-544199

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References: <1992Oct24.135959.29156@alf.uib.no> <1992Oct26.190528.21381@amd.com> <4GIBQO+OJ@linac.fnal.gov>

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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!sunic!aun.uninett.no!ugle.unit.no!alf.uib.no!ii.uib.no!jan
From: jan@ii.uib.no (Jan Henriksen)
Subject: Re: Multiple packets pr. token
Message-ID: <1992Oct27.175911.8809@alf.uib.no>
Sender: usenet@alf.uib.no (Bergen University Newsaccount)
Organization: Dept. of Informatics, University of Bergen
References: <1992Oct24.135959.29156@alf.uib.no> <1992Oct26.190528.21381@amd.com> <4GIBQO+OJ@linac.fnal.gov>
Date: Tue, 27 Oct 92 17:59:11 GMT
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