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From: andrewf@syacus.acus.oz (Andrew Friedman)
Newsgroups: comp.protocols.iso
Subject: Sources for PDN "X.25" profiles
Summary: How do you find out the differing PDN host requirements
Keywords: X.25 PDN
Message-ID: <1167@syacus.acus.oz>
Date: 5 Nov 90 07:18:02 GMT
Reply-To: andrewf@syacus.oz (Andrew Friedman)
Organization: Australian Centre for Unisys Software, Sydney
Lines: 20

Hi,

I was back in the X.25 world this morning and was reminded (incidentally)
that various PDNs have interesting requirements for X.25 implementations.
Some of these requirements are such that if you meet the PDN requirements
then you no longer meet the standard. For example, one network (whose name I 
forget) allows LCN 0 to be used for virtual circuits.

I was wondering (for the sake of curiosity) how one finds out about these
differing requirements, apart from the obvious methods of asking each PDN
and/or packet switch manufacturer.

Shall we have a competition for the wierdest X.25 network?

If anyone has this sort of info, would they consider sharing it with the
net?

An X.25 trivia fan,

Andrew