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From: eskovgaa@CUE.BC.CA (Erik Skovgaard)
Newsgroups: comp.protocols.iso
Subject: QLLC
Message-ID: <492*eskovgaa@cue.bc.ca>
Date: 28 Jun 91 16:12:00 GMT
References: <15733@ccncsu.ColoState.EDU>
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The Internet
Lines: 9

QLLC is just another "transport" protocol.  It is indicated in the X.25
Call Request packet by a special value in the Protocol Identifier (Hex C3).

Since Call Requests are done seperately for each logical channel, you can
run a QLLC channel concurrent with X.28 channels an others.  All this
assumes, of course, that you can support more than one logical channel per
link.  You normally arrange that with your network supplier beforehand.

Have fun,                               ....Erik.