IETF Logo Mail Archive

Re: [AVTCORE] Confirmation of consensus: way forward on framemarking

Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com> Wed, 03 February 2021 20:58 UTC

Return-Path: <spencerdawkins.ietf@gmail.com>
X-Original-To: avt@ietfa.amsl.com
Delivered-To: avt@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 618A93A1193 for <avt@ietfa.amsl.com>; Wed, 3 Feb 2021 12:58:04 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.097
X-Spam-Level:
X-Spam-Status: No, score=-2.097 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=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 XduQglNRTeKu for <avt@ietfa.amsl.com>; Wed, 3 Feb 2021 12:58:02 -0800 (PST)
Received: from mail-yb1-xb30.google.com (mail-yb1-xb30.google.com [IPv6:2607:f8b0:4864:20::b30]) (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 6EE9D3A1184 for <avt@ietf.org>; Wed, 3 Feb 2021 12:58:02 -0800 (PST)
Received: by mail-yb1-xb30.google.com with SMTP id b187so928173ybg.9 for <avt@ietf.org>; Wed, 03 Feb 2021 12:58:02 -0800 (PST)
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=BDDuFIseiPNwNV7p51+Ag7LXEqJ9YoUEVF+H7jCxGeU=; b=hAY4FZlNSXgW6POsi3ith9mPb4G5oG4/+2gVJihXry7Nvzcee+ExzL47HNrNi+bDup OJhUGTexAJCQerHRwppR5XzHYiCSgpSH1YKsCR/UEFN+pSBUIVnSoWr4mSZBlNaIJKXv mfEKznON8ndWfD02ahHohsa4w6BkJXafdwC7+7h2dcZ1L5h6AFzNNiH/giLwGS+3wCAf 68ISPFTIuxA8fr7IKOGBA1XjLkXQt/+oc6AZGWS4BQjkETtUFVQCpScW8eHAsVhCIMEF 4Exh7ieSnchDwgiQoiAv7UCdEzYWxG/uk+nquuE6xySYaSOcbjo7UEYVC4CEaLFL2Tl+ rNxg==
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=BDDuFIseiPNwNV7p51+Ag7LXEqJ9YoUEVF+H7jCxGeU=; b=uZx5Ox7GIiUbIovnLPiaEH7V1R6NeUU88OLaHTBM+cHcSwpAsezUyQTgX+0R4w04sj szJObhCbdS7c9bMB3grGDGOGzahYASBI18xAVZOvpzLfs9ohVM3b+T9NCv69Z3RHCauJ hv0vjzwijEc5CHWTObVREl2RcTfYOBXBdLpNw/K2iNcYxUQa+jk//Tb0zr/ysNji/vVW xV69fg+EzzyfIP3mUETR68pqRTucGR2Nhb9LZLTSbH1gd9GVe9QQ8ZjQZwUqJqtlrmIo r5cxrzRkKfkv3/BLHnCt71hA1OOR4jqHHqBKB7O40UYk29jFjwQkg2+MfRykqTo0gXCW rFIw==
X-Gm-Message-State: AOAM532q3Ylne1w7dV2Zp9XH5OznUHKYN3wRD2QgbaOTtLXeuntE8J2g xSmHRkHkqqkFibnKkjSrFWInQWiIISfaHhADsLg=
X-Google-Smtp-Source: ABdhPJxoWut+4zuJ0JuatU7iMQW+X0BQ2YgyawoctjMuLKMu8V3rwHgHkEWCyuKCTayCmB8p6FK448e6DcWNWB7LBAA=
X-Received: by 2002:a25:7453:: with SMTP id p80mr5092032ybc.297.1612385881575; Wed, 03 Feb 2021 12:58:01 -0800 (PST)
MIME-Version: 1.0
References: <8E7B8C12-056D-4CD1-AF86-CA21B4BC124D@8x8.com> <CAOW+2dtTCSv9B0YPhb2ffLwuCg52D51odz-nrJr+a0EBNwyHCw@mail.gmail.com>
In-Reply-To: <CAOW+2dtTCSv9B0YPhb2ffLwuCg52D51odz-nrJr+a0EBNwyHCw@mail.gmail.com>
From: Spencer Dawkins at IETF <spencerdawkins.ietf@gmail.com>
Date: Wed, 03 Feb 2021 14:57:35 -0600
Message-ID: <CAKKJt-djFU9aHFYYrZg9vbJeSq+gH0bJsdUEjUSH8DiSvPXhNQ@mail.gmail.com>
To: Bernard Aboba <bernard.aboba@gmail.com>
Cc: Jonathan Lennox <jonathan.lennox@8x8.com>, IETF AVTCore WG <avt@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000b656f405ba74d79a"
Archived-At: <https://mailarchive.ietf.org/arch/msg/avt/eJc4iTmNgytsmUanLIXSknVzHbU>
Subject: Re: [AVTCORE] Confirmation of consensus: way forward on framemarking
X-BeenThere: avt@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Audio/Video Transport Core Maintenance <avt.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/avt>, <mailto:avt-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/avt/>
List-Post: <mailto:avt@ietf.org>
List-Help: <mailto:avt-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/avt>, <mailto:avt-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 03 Feb 2021 20:58:04 -0000

Hi, Bernard,

On Tue, Feb 2, 2021 at 1:53 PM Bernard Aboba <bernard.aboba@gmail.com>
wrote:

> I agree with the consensus.
>
> The only additional comment (other than the ones I previously posted to
> the list) is to request that the issue experienced with VP8 PictureID and
> TL0PICIDX be documented.
>

Was it obvious where that experience would be documented? I THOUGHT it
might be in the framemarking draft, but I could be wrong about that.

Best,

Spencer


> This wasn't an issue with framemarking per se, but it did imply that SFUs
> needed to parse and modify VP8 payloads and so could not operate based on
> framemarking alone. Subsequently, I have heard the problem being attributed
> to a deficiency in framemarking (e.g. that a new RTP header extension can
> address the problem) when in fact the issue will also be encountered by
> other forwarding extensions and a better way forward is to make VP8
> implementations more robust.
>
> On Tue, Feb 2, 2021 at 11:45 AM Jonathan Lennox <jonathan.lennox@8x8.com>
> wrote:
>
>> This is to confirm the consensus we had on the way forward on the
>> framemarking document in last week’s virtual interim meeting.
>>
>> The rough consensus of the group was to publish the document as
>> Experimental.  We’ll make any necessary easy fixes to the document, but no
>> major changes before we request publication.
>>
>> We’ll also move the section on framemarking for VP9 back into this
>> document, now that it’s been removed from the VP9 payload.
>>
>> If anyone disagrees with this consensus, or has further comments to make,
>> please respond here on the AVTCore mailing list.
>>
>> Thank you!
>>
>> Jonathan Lennox
>> AVTCore co-chair
>> _______________________________________________
>> Audio/Video Transport Core Maintenance
>> avt@ietf.org
>> https://www.ietf.org/mailman/listinfo/avt
>>
> _______________________________________________
> Audio/Video Transport Core Maintenance
> avt@ietf.org
> https://www.ietf.org/mailman/listinfo/avt
>

v2.23.0 | Report a Bug | By Email