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Article #936Re: DECNET - IP/TCP
From: jmg
Date: Wed, 05 Mar 1986 11:29
Date: Wed, 05 Mar 1986 11:29
17 lines
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1571 bytes
In article <1474@brl-smoke.ARPA> ron@brl-smoke.UUCP writes: >> Question: >> Can you have one set of systems running DECNET and another set >> running IP/TCP all on one DELNI without any special software/hardware ? >> >Sure, as long as they don't want to talk to each other, you don't have >to change anything. There is a field called the PROTOCOL address that >differentiates the different protcols in use. The representative software >modules for the various protocols will either not see or reject packets >from the wrong protocol. DECNET and IP use different numbers. > >-Ron Don't forget that the ISO/IEEE version of Ethernet changes the protocol ID field to be the LLC Data Unit count. DEC will be changing to this. Any private use of the protocol ID field has to be agreed (with Xerox) and has to be too large to be a possible LLCDU count. Software has to be intelligent enough (!) to differentiate these cases.
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arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!gamma!epsilon!zeta!sabre!petrus!bellcore!decvax!genrad!panda!talcott!harvard!seismo!mcvax!cernvax!jmgReferences:
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!gamma!epsilon!zeta!sabre!petrus!bellcore!decvax!genrad!panda!talcott!harvard!seismo!mcvax!cernvax!jmg From: jmg@cernvax.UUCP (jmg) Newsgroups: net.lan,net.dcom Subject: Re: DECNET - IP/TCP Message-ID: <285@cernvax.UUCP> Date: Wed, 5-Mar-86 06:29:53 EST Article-I.D.: cernvax.285 Posted: Wed Mar 5 06:29:53 1986 Date-Received: Fri, 7-Mar-86 08:26:29 EST References: <1469@gitpyr.UUCP> <1474@brl-smoke.ARPA> Reply-To: jmg@cernvax.UUCP (Mike Gerard, DD Division, CERN.) Organization: CERN, Geneva/Switzerland Lines: 17