Inconsistent text in BUNDLE and mux-exclusive regarding IDENTICAL/TRANSPORT SDP attributes

Christer Holmberg <[email protected]>
Newsgroups gmane.ietf.mmusic
Message-ID <[email protected]>
Hi,

When looking for the changes needed regarding including media specific attributes in bundled m- lines, I realized that there is inconsistent text between BUNDLE and draft-mux-exclusive:

Section 3 of draft-mux-exclusive says:

   The mux category [I-D.ietf-mmusic-sdp-mux-attributes] for the 'rtcp-
   mux-only' attribute is 'IDENTICAL', which means that the attribute,
   if used within a BUNDLE group
   [I-D.ietf-mmusic-sdp-bundle-negotiation], must be associated with all
   multiplexed RTP-based media descriptions within the BUNDLE group.

Section 8.1 of BUNDLE says:


   When an offerer associates SDP attributes with a bundled "m=" line

   associated with a shared address, IDENTICAL and TRANSPORT mux

   category SDP attributes [I-D.ietf-mmusic-sdp-mux-attributes] are

   associated with the "m=" line only if the "m=" line is also

   associated with the offerer BUNDLE-tag.  Otherwise the offerer MUST

   NOT associate such SDP attributes with the "m=" line.

Section 10.3.1.1 of BUNDLE says:


   When an offerer generates an initial offer, the offerer MUST

   associate an SDP 'rtcp-mux' attribute [RFC5761] with each bundled

   RTP-based "m=" line in the offer, including a bundle-only "m=" line.

   In addition, the offerer MUST associate an SDP 'rtcp-mux-only'

   attribute [I-D.ietf-mmusic-mux-exclusive] with each RTP-based bundle-

   only "m=" line, and MAY associated an SDP 'rtcp-mux-only' attribute

   with other bundled RTP-based "m=" lines.

The text in section 8.1 describes the correct behaviour.

Regards,

Christer

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