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Re: IPP> regarding "ipp:" (I spoke too soon...)

Carl-Uno Manros <manros@cp10.es.xerox.com> Thu, 02 July 1998 19:51 UTC

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Date: Thu, 2 Jul 1998 12:37:40 PDT
To: Keith Moore <moore@cs.utk.edu>, paf@swip.net
From: Carl-Uno Manros <manros@cp10.es.xerox.com>
Subject: Re: IPP> regarding "ipp:" (I spoke too soon...)
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At 11:43 AM 7/2/98 PDT, Keith Moore wrote:

>HTTP is an application by itself.  TCP/IP is not.  
>IPP is trying to layer one application on top of another.

In a sense you are right, but in effect IPP is sending MIME
packages over HTTP. This has been our stragegy for more than a year.
Is MIME over SMTP considered a separate application that needs
it's own scheme? It wasn't last time I checked.

BTW, who determines whether an application can or cannot be layered
on top of another? If is you who decides, we would have liked to hear 
this kind of strong objection much earlier in the project. 

If we are going to have these kind of discussions, it seems to me 
that the IAB should get involved, as they are rather fundamental 
Internet design decisions. Re-using existing infra-structure or not 
seems to be one important discussion point.

Carl-Uno

Carl-Uno Manros
Principal Engineer - Advanced Printing Standards - Xerox Corporation
701 S. Aviation Blvd., El Segundo, CA, M/S: ESAE-231
Phone +1-310-333 8273, Fax +1-310-333 5514
Email: manros@cp10.es.xerox.com

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