Submission for mod-protocols-tcp-ip

25 Feb 87 13:15:00 GMT

Path: pdn!larry
From: From: larry@pdn.UUCP (Larry Swift)
Newsgroups: mod.protocols.tcp-ip
Subject: Re: Vertically Moving Congestion (VMC)
Message-ID: <651@pdn.UUCP>
Date: 25 Feb 87 13:14:59 GMT
References: <8702200048.AA02250@ucbvax.Berkeley.EDU>
Reply-To: Reply-To: larry@pdn.UUCP (0000-Larry Swift)
Organization: Paradyne Corporation, Largo, Florida
Lines: 17

In article <8702200048.AA02250@ucbvax.Berkeley.EDU> JOHNSON@NUHUB.ACS.NORTHEASTERN.EDU ("I am only an egg.") writes:
>Vary often you end up solving the problem at the layer you
>wanted only to find that a new layer has become congested.
That's why the OSI Reference Model has some form of flow control in *all*
layers one thru five. The Session Layer (layer 5) is where the data path is
finally narrowed to a single user, and therefore s/his ability to consume
network resources can be limited there.

There are many good reference works on the OSI Model.
Larry Swift
UUCP: {ihnp4,gatech,cbosgd}!akgua!usfvax2!pdn!larry
Snail mail: LF-207, Paradyne Corp., 8550 Ulmerton Road, Largo, FL, 33541
Phone: (813) 530-8605

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