Re: [AVTCORE] Francesca Palombini's No Objection on draft-ietf-avtcore-multi-party-rtt-mix-18: (with COMMENT)

Gunnar Hellström <gunnar.hellstrom@ghaccess.se> Tue, 25 May 2021 19:38 UTC

Return-Path: <gunnar.hellstrom@ghaccess.se>
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 C36C43A1ACF; Tue, 25 May 2021 12:38:53 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.9
X-Spam-Level:
X-Spam-Status: No, score=-1.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, NICE_REPLY_A=-0.001, 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 (1024-bit key) header.d=egensajt.se
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 M7gCiAwPrKbk; Tue, 25 May 2021 12:38:48 -0700 (PDT)
Received: from smtp.egensajt.se (smtp.egensajt.se [194.68.80.251]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 8062F3A1ACA; Tue, 25 May 2021 12:38:48 -0700 (PDT)
Received: from [192.168.2.137] (h77-53-37-81.cust.a3fiber.se [77.53.37.81]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: gunnar.hellstrom@ghaccess.se) by smtp.egensajt.se (Postfix) with ESMTPSA id A929B20F3A; Tue, 25 May 2021 21:38:45 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=egensajt.se; s=dkim; t=1621971525; bh=/NTM/N+cDd6olhED+eaRdJWSARjKojBxfp2Oh2f3q30=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=SUbESJULbsoreERXwBUE88n+PxWYvoxEorqNrVLomSETOjFx23+wf+a/E8H2qNono IhRG1fztV09/fkcLIOQH5CEtYTXHDdWCTfcb8scUBEEQYF+uquWHxsM7eERrrAVaPO viQfVmxap9j3oBRcbbQsqzu2StcpR66NjrHf4bq4=
To: Francesca Palombini <francesca.palombini@ericsson.com>, The IESG <iesg@ietf.org>
Cc: avtcore-chairs@ietf.org, draft-ietf-avtcore-multi-party-rtt-mix@ietf.org, avt@ietf.org
References: <162137008198.8563.14104995910062091869@ietfa.amsl.com>
From: =?UTF-8?Q?Gunnar_Hellstr=c3=b6m?= <gunnar.hellstrom@ghaccess.se>
Message-ID: <488b81c7-8a5e-237b-d7ea-f7e63994cf05@ghaccess.se>
Date: Tue, 25 May 2021 21:38:43 +0200
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2
MIME-Version: 1.0
In-Reply-To: <162137008198.8563.14104995910062091869@ietfa.amsl.com>
Content-Type: text/plain; charset=windows-1252; format=flowed
Content-Transfer-Encoding: 8bit
Content-Language: sv
Archived-At: <https://mailarchive.ietf.org/arch/msg/avt/ggy-dAIsKlP0SNTy_I2ixqPmY0c>
Subject: Re: [AVTCORE] Francesca Palombini's No Objection on draft-ietf-avtcore-multi-party-rtt-mix-18: (with COMMENT)
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: Tue, 25 May 2021 19:38:54 -0000

Francesca,

I am preparing a new version, with actions on your comments.

Den 2021-05-18 kl. 22:34, skrev Francesca Palombini via Datatracker:
> Francesca Palombini has entered the following ballot position for
> draft-ietf-avtcore-multi-party-rtt-mix-18: No Objection
>
> When responding, please keep the subject line intact and reply to all
> email addresses included in the To and CC lines. (Feel free to cut this
> introductory paragraph, however.)
>
>
> Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html
> for more information about DISCUSS and COMMENT positions.
>
>
> The document, along with other ballot positions, can be found here:
> https://datatracker.ietf.org/doc/draft-ietf-avtcore-multi-party-rtt-mix/
>
>
>
> ----------------------------------------------------------------------
> COMMENT:
> ----------------------------------------------------------------------
>
> Thank you for the work on this document. I have some minor non-blocking
> comments (feel free to take them or leave them), but I'd like some response to
> point 6. about the normative MUST.
>
> Francesca
>
> 1. -----
>
> FP: Please expand acronyms (CSRC, SDP, BOM, PSTN,...) on first use.
[GH] Done
>
> 2. -----
>
>        Since
>        simultaneous typing by more than two parties is very rare, this
>        method can be used successfully with good performance.  Recovery
>
> FP: I had question on this point, i.e. how was it evaluated that simultaneous
> typing by more than two parties is very rare, but that was answered in section
> 1.3 Intended application - so I would suggest adding a forward reference to
> that section in the paragraph quoted above.
[GH] Accepted.
>
> 3. -----
>
>     text stream using the RTP-mixer method.  The capability is indicated
>     by use of an SDP media attribute "rtt-mixer".
>
> FP: Please add a reference to RFC 8866.
[GH] Accepted
>
> 4. -----
>
>     streams in text format.  This is especially true if support of un-
>     encrypted SIP and media is supported because of lack of such support
>     in the target endpoints.  However, the mixing for conference-aware
>
> FP: I have a problem parsing this sentence "... if support ... is supported
> because of lack of such support"
[GH] Simplified wording applied
>
> 5. -----
>
>     is the timestamp of packet 102 THAT was received.  So B1 does not
>
> FP: nit - all capitals THAT.
[GH]Changed to lower case.
> 6. -----
>
>     the stream.  Some of them are optional.  Implementations MUST be able
>     to ignore optional control codes that they do not support.
>
> FP: I am really unsure how this MUST can be verified for interoperability.
> Maybe this does not need to be a BCP 14 MUST?
[GH] Changed as adviced by Spencer Dawkins and agreed by Francesca.
>
> 7. -----
>
>      |                                              | |
>      |(mix)[Bob)] Bob as well.                       | |
>
> FP: one space character too much
[GH] Done

Thanks,

Gunnar

>
> _______________________________________________
> Audio/Video Transport Core Maintenance
> avt@ietf.org
> https://www.ietf.org/mailman/listinfo/avt

-- 
Gunnar Hellström
GHAccess
gunnar.hellstrom@ghaccess.se