Re: [MMUSIC] draft-ietf-mmusic-sdp-mux-attributes and draft-ietf-mmusic-sdp-mux-attributes: MUX category misalignment

"Charles Eckel (eckelcu)" <eckelcu@cisco.com> Wed, 06 May 2020 20:53 UTC

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From: "Charles Eckel (eckelcu)" <eckelcu@cisco.com>
To: Christer Holmberg <christer.holmberg@ericsson.com>, Christer Holmberg <christer.holmberg=40ericsson.com@dmarc.ietf.org>, "mmusic@ietf.org" <mmusic@ietf.org>, "bfcpbis@ietf.org" <bfcpbis@ietf.org>, "Suhas Nandakumar (snandaku)" <snandaku@cisco.com>, Suhas Nandakumar <suhasietf@gmail.com>
CC: "mmusic-chairs@ietf.org" <mmusic-chairs@ietf.org>, "bfcpbis-chairs@ietf.org" <bfcpbis-chairs@ietf.org>
Thread-Topic: [MMUSIC] draft-ietf-mmusic-sdp-mux-attributes and draft-ietf-mmusic-sdp-mux-attributes: MUX category misalignment
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Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/Dal8JT9q2kOCBK_bUUII9nfn0vc>
Subject: Re: [MMUSIC] draft-ietf-mmusic-sdp-mux-attributes and draft-ietf-mmusic-sdp-mux-attributes: MUX category misalignment
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Hi Christer,

Please see inline.

From: Christer Holmberg <christer.holmberg@ericsson.com>
Date: Tuesday, May 5, 2020 at 11:21 PM
To: Christer Holmberg <christer.holmberg=40ericsson.com@dmarc.ietf.org>rg>, "mmusic@ietf.org" <mmusic@ietf.org>rg>, "bfcpbis@ietf.org" <bfcpbis@ietf.org>rg>, "Suhas Nandakumar (snandaku)" <snandaku@cisco.com>om>, Suhas Nandakumar <suhasietf@gmail.com>
Cc: "mmusic-chairs@ietf.org" <mmusic-chairs@ietf.org>rg>, "bfcpbis-chairs@ietf.org" <bfcpbis-chairs@ietf.org>
Subject: Re: [MMUSIC] draft-ietf-mmusic-sdp-mux-attributes and draft-ietf-mmusic-sdp-mux-attributes: MUX category misalignment
Resent-From: <alias-bounces@ietf.org>
Resent-To: Keith Drage <drageke@ntlworld.com>om>, Charles Eckel <eckelcu@cisco.com>
Resent-Date: Tuesday, May 5, 2020 at 11:20 PM

Ok, so here is my proposal on how to solve the issue.


1.      No changes to of draft-ietf-bfcpbis-rfc4583bis. The MUX category of all attributes are set to “TBD”.
Ok.

2.      In draft-ietf-mmusic-sdp-mux-attributes, we remove Section 5.27, and the definition of the BFCP MUX categories.

Section 5.27 is for RFC 4583. I think it is helpful to leave it to provide guidance for RFC 4583, but in doing so, change the category to TBD to align with what will be published in rfc4583bis/RFC 8856.

Cheers,
Charles


3.      Based on the change above, the IANA registry will be updated accordingly.

Does anyone object to this?

Suhas, it would be really nice to get your opinion on this.

In general, when it comes to cluster 238, we really need to be careful that similar conflicts don’t occur elsewhere.

Regards,

Christer


From: Christer Holmberg <christer.holmberg=40ericsson.com@dmarc.ietf.org>
Date: Tuesday, 5 May 2020 at 23.41
To: Christer Holmberg <christer.holmberg@ericsson.com>om>, "mmusic@ietf.org" <mmusic@ietf.org>rg>, "bfcpbis@ietf.org" <bfcpbis@ietf.org>rg>, Suhas Nandakumar <snandaku@cisco.com>om>, Suhas Nandakumar <suhasietf@gmail.com>
Cc: "mmusic-chairs@ietf.org" <mmusic-chairs@ietf.org>rg>, "bfcpbis-chairs@ietf.org" <bfcpbis-chairs@ietf.org>
Subject: Re: [MMUSIC] draft-ietf-mmusic-sdp-mux-attributes and draft-ietf-mmusic-sdp-mux-attributes: MUX category misalignment

During the AUTH48 review of draft-ietf-bfcpbis-rfc4583bis-27, that is.

From: mmusic <mmusic-bounces@ietf.org> on behalf of Christer Holmberg <christer.holmberg=40ericsson.com@dmarc.ietf.org>
Date: Tuesday, 5 May 2020 at 23.25
To: "mmusic@ietf.org" <mmusic@ietf.org>rg>, "bfcpbis@ietf.org" <bfcpbis@ietf.org>rg>, Suhas Nandakumar <snandaku@cisco.com>om>, Suhas Nandakumar <suhasietf@gmail.com>
Cc: "mmusic-chairs@ietf.org" <mmusic-chairs@ietf.org>rg>, "bfcpbis-chairs@ietf.org" <bfcpbis-chairs@ietf.org>
Subject: [MMUSIC] draft-ietf-mmusic-sdp-mux-attributes and draft-ietf-mmusic-sdp-mux-attributes: MUX category misalignment

Hi,

During the AUTH48 review of draft-ietf-mmusic-sdp-mux-attributes -27 is was realized that draft-ietf-bfcpbis-rfc4583bis-27 defines the mux category “TBD” to all BFCP SDP attributes.

However, with the exception of the ‘floorctrl’ attribute, draft-ietf-mmusic-sdp-mux-attributes defines the mux category “NORMAL” to the BFCP SDP attributes.

Now, both documents explicitly point out that multiplexing of BFCP streams haven’t been defined, which to me sounds like “TBD” would be more appropriate.

But, we need to pick one.

Comments?

Suhas?

Regards,

Christer