Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!utgpu!water!watnot!watmath!clyde!cbatt!cbosgd!ulysses!ucbvax!A.ISI.EDU!CERF From: CERF@A.ISI.EDU.UUCP Newsgroups: mod.protocols.tcp-ip Subject: Re: Station wagon full of bits Message-ID: <[A.ISI.EDU].1-Apr-87.21:28:17.CERF> Date: Wed, 1-Apr-87 21:28:00 EST Article-I.D.: <[A.ISI.EDU].1-Apr-87.21:28:17.CERF> Posted: Wed Apr 1 21:28:00 1987 Date-Received: Sat, 4-Apr-87 10:17:16 EST References: <8703271845.AA29686@mitre.ARPA> Sender: daemon@ucbvax.BERKELEY.EDU Distribution: world Organization: The ARPA Internet Lines: 11 Approved: tcp-ip@sri-nic.arpa One of the important features of X.25 and other packet-oriented services (and of DOD TCP/IP or ISO TP/IP, etc.) is the ability to support many simultaneous virtual connections. The ISDN facilities will not replace that functionality if level 3 is erased and only level 2 remains and only supports a single connection at a time. ISDN does provide for a packet mode interface which is basically a level 3 construct. I do not see that the pt-pt 64 kb/s service from ISDN will render the multi-connection modes of operation useless. Vint