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From: fwb@siemens.UUCP
Newsgroups: net.lan
Subject: Re: What is "ISO"?
Message-ID: <29500004@siemens.UUCP>
Date: Fri, 18-Apr-86 11:34:00 EST
Article-I.D.: siemens.29500004
Posted: Fri Apr 18 11:34:00 1986
Date-Received: Sun, 20-Apr-86 16:45:26 EST
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Nf-ID: #R:gould9:-42400:siemens:29500004:000:909
Nf-From: siemens!fwb    Apr 18 11:34:00 1986


> Can someone clarify for me how layer 7 can be standardized without
> knowing the application?
> ...
> -Mark Garrett
> Bellcore

There will be many layer 7 protocols.  It depends on the application.  The
MAP standard will include several:

	FTAM	File Transfer, Access, and Management (from the ISO)
	CASE	Common Application Service Element (from the ISO)
	MMS	Manufacturing Message Service (from the EIA)

More will be defined as the need arises.  Some working groups within ISO,
ANSI, and other organizations are working on virtual terminal protocols,
data base access protocols, job transfer protocols, and you-name-it
protocols.  I hope they don't make them mutually exclusive on a single LAN.

-----------------------------------------------------
Frederic W. Brehm       (ihnp4!princeton!siemens!fwb)
Siemens Research and Technology Laboratories
105 College Road East
Princeton, NJ 08540
(609) 734-3336