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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