IPP> Re: On the harm of adding new methods

IPP> Re: On the harm of adding new methods

Ira Mcdonald x10962 imcdonal at eso.mc.xerox.com
Wed Jun 10 12:36:41 EDT 1998


Hi folks,


Yes, the content-type of IPP requests AND responses is ALWAYS
'application/ipp'.  That was decided a long time ago.
This isn't a legitimate concern


Cheers,
- Ira McDonald (High North)
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Date: Wed, 10 Jun 1998 09:15:11 PDT
From: Scott Lawrence <lawrence at agranat.com>
To: Larry Masinter <masinter at parc.xerox.com>
Cc: Josh Cohen <joshco at microsoft.com>, ipp at pwg.org, ietf-http-ext at w3.org
Subject: IPP> Re: On the harm of adding new methods
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On Wed, 10 Jun 1998, Larry Masinter wrote:


> Any new METHOD in HTTP is a serious modification to the protocol, because
> the forwarding function must be aware of it. A new content-type, however,
> can be as easily recognized in the filter layer as a new method, but
> requires NO changes to the forwarding function. Many filters already filter
> on content-type anyway.


  But will the content-type be ok in both directions?  What is the
content-type of an ipp response?  If it is not also application/ipp,
then you could easily create a situation in which the request can be
sent and pass through the filter, but the response cannot...



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