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- Newsgroups: comp.dcom.cell-relay
- Path: sparky!uunet!mcsun!sunic!sics.se!craig
- From: craig@sics.se (Craig Partridge)
- Subject: Re: Comment made at Next Generation Networks conference
- Message-ID: <1992Nov23.155927.14345@sics.se>
- Organization: Swedish Institute of Computer Science, Kista
- Date: Mon, 23 Nov 1992 15:59:27 GMT
- Lines: 16
-
- > > Where is the conflict? Rob wrote "this is slightly lower (6.8%) than
- > >FDDI's 97.3 Mb/s", refering to the number of bits a single TCP/IP
- > >virtual circuit might get out of either FDDI or ATM.
- >
- > You just mentioned where the conflict is when you say "a SINGLE
- > TCP/IP virtual circuit." [emphasis mine]. What would be the
- > throughput for that SINGLE circuit when you've got 20 other
- > fast machines using the same bandwidth? Now compare that figure
- > to the same twenty machines connected with an ATM switch...
-
- There doesn't have to be a conflict here. One can use FDDI as an access
- protocol to an FDDI switch (just like switched Ethernet). So the question is,
- how fast can one host drive the MAC protocol (FDDI or ATM equivalent or,
- indeed, 100Mbit/s Ethernet)?
-
- Craig
-