Re: [MMUSIC] Is ice-mismatch media or session level?
Suhas Nandakumar <suhasietf@gmail.com> Mon, 13 May 2019 05:23 UTC
Return-Path: <suhasietf@gmail.com>
X-Original-To: mmusic@ietfa.amsl.com
Delivered-To: mmusic@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C38ED120092 for <mmusic@ietfa.amsl.com>; Sun, 12 May 2019 22:23:14 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.999
X-Spam-Level:
X-Spam-Status: No, score=-1.999 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FD3pKbpQIg0G for <mmusic@ietfa.amsl.com>; Sun, 12 May 2019 22:23:12 -0700 (PDT)
Received: from mail-ua1-x92a.google.com (mail-ua1-x92a.google.com [IPv6:2607:f8b0:4864:20::92a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A2F22120043 for <mmusic@ietf.org>; Sun, 12 May 2019 22:23:12 -0700 (PDT)
Received: by mail-ua1-x92a.google.com with SMTP id t18so1301866uar.4 for <mmusic@ietf.org>; Sun, 12 May 2019 22:23:12 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2eJHc5KPzuCthWnPdnf+nganUDWOo2Htlx5B7fATr+k=; b=CONqEMWIdSELiU/cnytBFvqYhB29j/PBV8b4IaNMXnyt9gxfI6al1wlhZOMnYWSeiz vEcJ9kOKU+yGROgEjmBFBd//68Wss5zRRtkouuxD77vm86xmmGdsENvSv4hsn9O5fPcr GBRBRIqQF1lrNaPqIILHkgUfC3aAfXi2yrTP7ol1sTrZBgfxu9qySz+az+w2CY+9D7VP MIItFwf1JBCcDZL5U62IaqIoHNCz6ypL89QUCKlJylMY/TL2rJsMcREuE7qQAL47vQyv AesyY0cGyE/57DoFIYeBrPtNxOpPliEgoFeQ3buexoa0gzmhAScGiQR+kSsDX+hnT6YT /ufQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2eJHc5KPzuCthWnPdnf+nganUDWOo2Htlx5B7fATr+k=; b=dpvW2Z3FDRJ159n102oqNzqeKo5pD+NLLXFJf/yzFbdruN1gauoUglZE1nBt3SOqzY LDjEwzvqdCZIG2VHjgY0aFP2SKnCZVWEOQVs2uO2d+0y10rFlvpQrWrPPPmbfm3f9Ue8 Z6+HYjiVsVEZboCS9WKsUaKw/nMp7Pri9m89Bo+k6JQQ728YtGme8OGaAYhB2zDsihGo dg6qBj26BWbNL7pH4/MkHhSSHO+fpD6DLBi+Kfk/LgpSCjYY4uBn/Vu5LGqF7uMk11yi NxyVq3ngWGPIok+YX3E/SEyGfVsdVMx2Nz/V0yK33hP3r6oZ3m5YxCCqXvADkZoT0Sky fAeg==
X-Gm-Message-State: APjAAAV0ogHSUkpzANqiSrCZOy96zMvqkY7r1d2ga4OtQE9h30/ynlXO cz6VX0FlT9MQm/fQDsuSAkluQ3XTBxPrEIU+1sI=
X-Google-Smtp-Source: APXvYqwTRVX1PQUhOwSVtZg0oowtZOeCa2J/bdajBt791KTUYIGXHiSLgz4fNlAhIvF/nYJ0yjxdHVNAhGRLKcU8UnE=
X-Received: by 2002:ab0:4e07:: with SMTP id g7mr12434863uah.111.1557724991729; Sun, 12 May 2019 22:23:11 -0700 (PDT)
MIME-Version: 1.0
References: <CAD5OKxvGcC0inLRxwTHKdWW3z6xM2PWjV=1J8+3_zwQsF3tCaA@mail.gmail.com> <HE1PR07MB3161E1BDB1E2439E1A9CE785933F0@HE1PR07MB3161.eurprd07.prod.outlook.com> <CAD5OKxtqKi1ucRXd5xrZrsM6hiqu=FUULx3mQv+=bZx3YHMbLg@mail.gmail.com> <310293b1-0fbf-9b74-03ca-63ad8d4b80bd@cisco.com>
In-Reply-To: <310293b1-0fbf-9b74-03ca-63ad8d4b80bd@cisco.com>
From: Suhas Nandakumar <suhasietf@gmail.com>
Date: Sun, 12 May 2019 22:22:59 -0700
Message-ID: <CAMRcRGSyWB3O04CDOUx1oXtyL=AyB--dM-e+ABfm2dN16RK7sw@mail.gmail.com>
To: Flemming Andreasen <fandreas@cisco.com>
Cc: Roman Shpount <roman@telurix.com>, Christer Holmberg <christer.holmberg@ericsson.com>, mmusic WG <mmusic@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000ca36aa0588be1cd3"
Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/SNXlNBlqNKdDJOXZokAXNbfyIvQ>
Subject: Re: [MMUSIC] Is ice-mismatch media or session level?
X-BeenThere: mmusic@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Multiparty Multimedia Session Control Working Group <mmusic.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/mmusic>, <mailto:mmusic-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/mmusic/>
List-Post: <mailto:mmusic@ietf.org>
List-Help: <mailto:mmusic-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mmusic>, <mailto:mmusic-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 13 May 2019 05:23:15 -0000
I am inclined to leave it as media-level attribute. I am not sure what more clarification is needed in the text today ? On Sun, May 12, 2019 at 8:41 PM Flemming Andreasen <fandreas@cisco.com> wrote: > Based on the errata, it seems like the intent was for to be media-level. > I'd suggest we keep it that way and add the clarifications you outline > below. > > If people feel otherwise, please speak up no later than May 19. > > Thanks > > -- Flemming (with chair hat on) > > > > On 4/29/19 4:44 PM, Roman Shpount wrote: > > Hi Christer, > > Thank you for reviewing and responding. > > On Sat, Apr 27, 2019 at 1:48 PM Christer Holmberg < > christer.holmberg@ericsson.com> wrote: > >> Before we just change something back we need to think what the reason for >> the change to media-level was. Could it be related to RTCWEB? >> >> > This is definitely not RTCWEB related, since RTCWEB should never generate > ice-mismatch or use it for any reason. > > The ice-mismatch attribute was session only according to RFC 5245 Section > 21.1.4 (https://tools.ietf.org/html/rfc5245#section-21.1.4). At the same > time, according to RFC 5245 Section 15..3 ( > https://tools.ietf.org/html/rfc5245#section-15.3), ice-mismatch is media > level attribute only. This being said, according to RFC 5245 Section 6.1 ( > https://tools.ietf.org/html/rfc5245#section-6.1), ice-mismatch applies to > the whole session, but it is specified per m= line. According to errata > 3149 (https://www.rfc-editor.org/errata/eid3149), ice-mismatch should be > media level. So, it is a bit of a mess. > > I can change ice-mismatch back to media level, but what we need to clarify > then is the following: If ice-mismatch is present in the m= line, does it > stop ICE processing for the whole session or for this m= line only? > > If it stops ICE processing for the whole session then it makes little or > no sense being specified per m= line. If it only stops processing for > specific m= line, then ice-mismatch probably also makes sense at the > session level to stop ICE processing for the whole session. > > I am definitely open to input here. > _____________ > Roman Shpount > > > _______________________________________________ > mmusic mailing listmmusic@ietf.orghttps://www.ietf.org/mailman/listinfo/mmusic > > > _______________________________________________ > mmusic mailing list > mmusic@ietf.org > https://www.ietf.org/mailman/listinfo/mmusic >
- [MMUSIC] Is ice-mismatch media or session level? Roman Shpount
- Re: [MMUSIC] Is ice-mismatch media or session lev… Christer Holmberg
- Re: [MMUSIC] Is ice-mismatch media or session lev… Roman Shpount
- Re: [MMUSIC] Is ice-mismatch media or session lev… Flemming Andreasen
- Re: [MMUSIC] Is ice-mismatch media or session lev… Suhas Nandakumar
- Re: [MMUSIC] Is ice-mismatch media or session lev… Flemming Andreasen
- Re: [MMUSIC] Is ice-mismatch media or session lev… Suhas Nandakumar
- Re: [MMUSIC] Is ice-mismatch media or session lev… Flemming Andreasen
- Re: [MMUSIC] Is ice-mismatch media or session lev… Christer Holmberg
- Re: [MMUSIC] Is ice-mismatch media or session lev… Suhas Nandakumar
- Re: [MMUSIC] Is ice-mismatch media or session lev… Roman Shpount
- Re: [MMUSIC] Is ice-mismatch media or session lev… Roman Shpount
- Re: [MMUSIC] Is ice-mismatch media or session lev… Suhas Nandakumar
- Re: [MMUSIC] Is ice-mismatch media or session lev… Roman Shpount