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- Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
- Path: sparky!uunet!paladin.american.edu!howland.reston.ans.net!wupost!psuvax1!psuvm!auvm!PUCC.BITNET!BITFTP4
- Message-ID: <IBMTCP-L%92122221050680@PUCC.PRINCETON.EDU>
- Newsgroups: bit.listserv.ibmtcp-l
- Date: Tue, 22 Dec 1992 21:05:00 EST
- Sender: IBM TCP/IP List <IBMTCP-L@PUCC.BITNET>
- From: Princeton BITNET FTP Server <BITFTP4@PUCC.BITNET>
- Subject: BITFTP REPLY
- Lines: 36
-
- 21:05:00 > > Since soon a major X-terminal wave will hit us I am looking
- 21:05:00 > > oncemore for ways to reduce the CPU consumption of TCP/IP.
- 21:05:00 > Reduce the number of instructions in TCP/IP. It s way too high...
- 21:05:00 > > Is there a way to use the vector processors on the mainframe for
- 21:05:00 > > the TCP/IP protocol stack and/or the X-Window system?
- 21:05:00 > It might be possible to compute the TCP checksum using the vector
- 21:05:00 > hardware for large packets and thereby save some CPU time.
- 21:05:00 > Unfortunately since TCP doesn t spend all that much time of the
- 21:05:00 > CPU it uses computing the checksum that wouldn t save all that
- 21:05:00 > much CPU.
- 21:05:00 > > I guess this is a vital question for IBM. Up to now more than
- 21:05:00 > > 90% of our CPU has gone into batch. If this batch load would be
- 21:05:00 > > severely diminished by 200+ (concurrent) X-terminals running
- 21:05:00 > > X-Window based graphic applications nobody might listen anymore
- 21:05:00 > > to pro-mainframe arguments in a scientific environment.
- 21:05:00 > Yup.
- 21:05:00 > You re selling me the fastest general available computer on the
- 21:05:00 > planet and it connects to my network via this straw? ...
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