Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site mit-eddie.UUCP Path: utzoo!linus!philabs!cmcl2!seismo!harvard!godot!mit-eddie!barmar From: barmar@mit-eddie.UUCP (Barry Margolin) Newsgroups: net.dcom,net.unix-wizards Subject: Re: Wanted: ISO level 4 Message-ID: <2902@mit-eddie.UUCP> Date: Wed, 17-Oct-84 00:14:54 EDT Article-I.D.: mit-eddi.2902 Posted: Wed Oct 17 00:14:54 1984 Date-Received: Thu, 18-Oct-84 06:56:12 EDT References: <4430@ukc.UUCP> <5313@brl-tgr.ARPA> Reply-To: barmar@mit-eddie.UUCP (Barry Margolin) Organization: MIT, Cambridge, MA Lines: 14 Xref: godot net.dcom:254 net.unix-wizards:3239 In article <5313@brl-tgr.ARPA> gwyn@brl-tgr.ARPA (Doug Gwyn) writes: >"ISO level 4 (the transport level)" is an abstraction. >It can be realized in different ways, and has been on systems >such as 4.2BSD. You need to find out just what your friend is >really after. ISO has defined a standard Transport Protocol. I believe that this is commonly referred to as TP4. It is quite similar to DoD's Internet Protocol (IP), I think. In any case, it is not just an abstraction any more. -- Barry Margolin ARPA: barmar@MIT-Multics UUCP: ..!genrad!mit-eddie!barmar