Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!sun-barr!texsun!texbell!vector!telecom-gateway From: pugs@sun.com (Tom Lyon) Newsgroups: comp.dcom.telecom Subject: Re: Bit-oriented protocols 'standard' for ISDN byte-oriented channels? Message-ID: Date: 15 May 89 22:39:38 GMT Sender: news@vector.Dallas.TX.US Lines: 19 Approved: telecom-request@vector.dallas.tx.us X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@vector.dallas.tx.us X-TELECOM-Digest: volume 9, issue 168, message 1 of 8 Someday, if we're all very lucky and still alive, the entire world will use ISDN and it won't matter whether framing of packets in an ISDN channel uses byte oriented or bit oriented techniques. In the meantime, when there's a need for an ISDN device to talk to a non-ISDN device they had better agree on a protocol and SDLC framing fits the bill just fine. The V.120 standard seems to be the emerging winner for communication between ISDN and non-ISDN devices and it does indeed use SDLC framing. In my opinion, it is neither the power nor the purpose of ISDN to provide 64Kb channels between computers; rather, it is to make available all the telecom/datacom things that the phone system provides today from a single interface, and to provide continued interoperation with all the existing devices hung off the phone system. Tom Lyon Sun Microsystems