[Sipping] draft-ietf-sipping-media-policy-dataset: media-intermediaries
"Worley, Dale R (Dale)" <dworley@avaya.com> Fri, 20 May 2011 20:25 UTC
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From: "Worley, Dale R (Dale)" <dworley@avaya.com>
To: Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>, Volker Hilt <volkerh@bell-labs.com>
Date: Fri, 20 May 2011 16:25:06 -0400
Thread-Topic: draft-ietf-sipping-media-policy-dataset: media-intermediaries
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Cc: "sipping@ietf.org" <sipping@ietf.org>
Subject: [Sipping] draft-ietf-sipping-media-policy-dataset: media-intermediaries
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The media policy dataset defines an XML element <media-intermediaries> for specifying intermediary relays that should be used for sending media. The current draft has some odd features with regard to this element: - It can be specified for a session-info but not a session-policy. Whereas it seems to me that it should be possible to put a media intermediary specification into a policy. - <media-intermediaries> is specified as a child of <session-info>, with various complexities to allow particular intermediaries to be specified for particular streams. But it seems simpler to me to demote <media-intermediaries> to a child of <stream>, so that the intermediaries for each stream can be specified directly. - The handling of media streams that use multiple ports is not specified clearly. My impression is that the only such protocol is RTP, which uses one port for the media (RTP proper) and one port for control information (RTCP). Are there any other protocols that use multiple ports? Dale
- [Sipping] draft-ietf-sipping-media-policy-dataset… Worley, Dale R (Dale)