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[Slim] Negotiation issue in draft-ietf-slim-negotiating-human-language

Bernard Aboba <bernard.aboba@gmail.com> Thu, 15 February 2018 12:53 UTC

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From: Bernard Aboba <bernard.aboba@gmail.com>
Date: Thu, 15 Feb 2018 07:53:30 -0500
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Subject: [Slim] Negotiation issue in draft-ietf-slim-negotiating-human-language
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As noted in the below thread, multiple ambiguities need to be resolved in
draft-ietf-slim-negotiating-human-language:
https://www.ietf.org/mail-archive/web/slim/current/msg01300.html

In the SDP codec negotiation, multiple codecs are offered, and the answerer
selects among them, with the first codec being the preferred one.  Codecs
not present in the Offer cannot be included in the Answer.

The model proposed in draft-ietf-slim-negotiating-human-language does not
conform to this paradigm, allowing languages not present in the Offer to be
presented in the Answer, and also (previously) having an ambiguity about
whether a single language or multiple languages can be included in an
Answer.

Gunnar has proposed language to address this.  Any reason not to accept his
proposal?

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