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Content negotiation draft 03 available

From: Koen Holtman <koen@win.tue.nl>
Date: Fri, 6 Sep 1996 15:40:19 +0200 (MET DST)
Message-Id: <199609061340.PAA23913@wsooti26.win.tue.nl>
To: http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com
Cc: Koen Holtman <koen@win.tue.nl>
X-Mailing-List: <http-wg@cuckoo.hpl.hp.com> archive/latest/1557

We just finished work on version 03 of the transparent content
negotiation internet draft.  I have made .txt, .html, and versions
with changebars available at


An updated version of the conneg-uax test implementation is also
available on this page.  Conneg-uax now includes a free animated gif

rom the draft:



        HTTP allows one to put multiple versions of the same
        information under a single URL.  Transparent content
        negotiation is a mechanism, layered on top of HTTP, for
        automatically selecting the best version when the URL is
        accessed.  This enables the smooth deployment of new web data
        formats and markup tags.

        Design goals for transparent content negotiation include: low
        overhead on the request message size, downwards compatibility,
        extensibility, enabling the rapid introduction of new areas of
        negotiation, scalability, low cost for minimal support, end
        user control, and good cacheability.


1.3 Revision History

   The change bars in this document reflect the changes with respect
   to the 02 version of this draft.  Major functional changes are:

    - Non-numeric feature tags were introduced.

    - Ad-hoc responses were introduced to address the compatibility
      considerations for 300 responses, the List_OS result of the
      network negotiation algorithm and the "forward" directive of the
      alternates header were removed accordingly.

    - The Accept-Features header has been made extensible

   Major changes in the presentation are:

    - The appendix discussing content transformation has been removed.

    - Appendices 19.3B and 19.3C were added, appendix 19.2 was written.

    - The relation to HTTP/1.0 systems and to non-negotiating user
      agents has been made more clear.

    - Some new explanatory material was added.

   Finally, this version includes many grammatical and stylistic


Received on Friday, 6 September 1996 06:50:50 UTC

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