On Tue, 5 Mar 2002, TOMSON ERIC wrote: > My answer tried to respect the same basic level as Bill's question's. > That's my job, teaching LAN & WAN technologies (and Datacom in general). > My humble experience led me to teach such matters in different steps. > First you teach ABC, then you teach grammar, then you can teach literature. > Trying to teach literature without preparation can create confusion. Tell them lies, because they can't handle the truth? Gah, I am reminded of why I quit studying physics. > Sorry if I shocked you with such a basic view on PPP compared to OSI and TCP/IP. > [May I recommend 2 basic books? "A World of Protocols" and "Computer Networks"...] If the latter is Tanenbaum, the second edition was a good introduction to abstract networking concepts and their uses, but later editions have just gone downhill with internet buzzworditis. > One can read that PPP is a suite - a combination of several protocols. > Among them : BCP, CHAP, LCP, MLP, PAP, PPPoE,... But seriously, does Bill care? he cared enough to ask the question. L. <L.Wood@surrey.ac.uk>PGP<http://www.ee.surrey.ac.uk/Personal/L.Wood/>