Re: [MMUSIC] Last chance to comment [Re: I-D Action: draft-ietf-mmusic-ice-sip-sdp-27.txt] - Text on ICE PAC

Suhas Nandakumar <suhasietf@gmail.com> Mon, 20 May 2019 21:27 UTC

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From: Suhas Nandakumar <suhasietf@gmail.com>
Date: Mon, 20 May 2019 14:27:27 -0700
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To: Christer Holmberg <christer.holmberg@ericsson.com>
Cc: Flemming Andreasen <fandreas@cisco.com>, mmusic WG <mmusic@ietf.org>
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Subject: Re: [MMUSIC] Last chance to comment [Re: I-D Action: draft-ietf-mmusic-ice-sip-sdp-27.txt] - Text on ICE PAC
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Thanks Christer. I agree with the intent here.

How about this version

   “In certain scenarios when either no candidates were provided in the

   offer or all the provided candidates were discarded (say, due to

   unsupported address type or FQDN name resolution failure), the

   answerer MAY treat it as an immediate ICE processing failure or

   choose to wait for the peer reflexive candidates

   to arrive to perform the connectivity checks

   (see [draft-holmberg-ice-pac]. However, If no peer reflexive candidates

   arrive until the connectivity checks timesout, the ICE

   processing is considered as failure."

On Mon, May 20, 2019 at 1:08 PM Christer Holmberg <
christer.holmberg@ericsson.com> wrote:

> Hi,
>
>
>
> The new text says:
>
>
>
>    “In certain scenarios when either no candidates were provided in the
>
>    offer or all the provided candidates were discarded (say, due to
>
>    unsupported address type or FQDN name resolution failure), the
>
>    answerer MUST NOT consider this as immediate ICE processing failure
>
>    but instead MUST wait for the peer reflexive candidates to arrive to
>
>    carryout the connectivity checks or eventually time out on the
>
>    connectivity checks (see [draft-holmberg-ice-pac]).”
>
>
>
> I don’t think we shall have these MUST NOT and MUST.
>
>
>
> As I have commented in the ICE WG, ICE PAC only gives guidance on how long
> to wait before declaring ICE failure, but an agent is still allowed to
> declare ICE failiure whenever it wants without being non-compliant with the
> spec.
>
>
>
> Also, since ICE PAC is generic ICE, I don’t think ice-sip-sdp shall add
> any normative text in addition to what is already included in ICE PAC.
>
>
>
> However, I do agree that referencing ICE PAC is a good idea, but perhaps
> it’s enough to say that ICE PAC gives guidance.
>
>
>
> Regards,
>
>
>
> Christer
>
>
>
>
>
> *From: *mmusic <mmusic-bounces@ietf.org> on behalf of Flemming Andreasen <
> fandreas@cisco.com>
> *Date: *Monday, 20 May 2019 at 17.35
> *To: *"mmusic@ietf.org" <mmusic@ietf.org>
> *Subject: *[MMUSIC] Last chance to comment [Re: I-D Action:
> draft-ietf-mmusic-ice-sip-sdp-27.txt]
>
>
>
> Greetings MMUSIC
>
> We believe this version resolves all outstanding issues. This will be the
> last chance to comment before we submit the document for Publication
> Request. If you have any comments, please make sure to provide them to the
> authors and the MMUSIC mailing list no later than Friday May 25.
>
> Thanks
>
> -- Flemming (as MMUSIC co-chair)
>
>
> On 5/19/19 12:43 AM, Suhas Nandakumar wrote:
>
> Version 27 has editorial changes for using the term connection address
> instead of IP Address.
>
>
>
> Please let us know if you have any questions
>
>
>
> Cheers
>
> Suhas
>
>
>
> On Sat, May 18, 2019 at 9:42 PM <internet-drafts@ietf.org> wrote:
>
>
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> This draft is a work item of the Multiparty Multimedia Session Control WG
> of the IETF.
>
>         Title           : Session Description Protocol (SDP) Offer/Answer
> procedures for Interactive Connectivity Establishment (ICE)
>         Authors         : Marc Petit-Huguenin
>                           Suhas Nandakumar
>                           Ari Keranen
>         Filename        : draft-ietf-mmusic-ice-sip-sdp-27.txt
>         Pages           : 42
>         Date            : 2019-05-18
>
> Abstract:
>    This document describes Session Description Protocol (SDP) Offer/
>    Answer procedures for carrying out Interactive Connectivity
>    Establishment (ICE) between the agents.
>
>
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-mmusic-ice-sip-sdp/
>
> There are also htmlized versions available at:
> https://tools.ietf.org/html/draft-ietf-mmusic-ice-sip-sdp-27
> https://datatracker.ietf.org/doc/html/draft-ietf-mmusic-ice-sip-sdp-27
>
> A diff from the previous version is available at:
> https://www.ietf.org/rfcdiff?url2=draft-ietf-mmusic-ice-sip-sdp-27
>
>
> Please note that it may take a couple of minutes from the time of
> submission
> until the htmlized version and diff are available at tools.ietf.org.
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
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