Re: [AVTCORE] [Technical Errata Reported] RFC4867 (4348)

Magnus Westerlund <magnus.westerlund@ericsson.com> Wed, 06 April 2016 20:08 UTC

Return-Path: <magnus.westerlund@ericsson.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 DC67C12D79D; Wed, 6 Apr 2016 13:08:37 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.202
X-Spam-Level:
X-Spam-Status: No, score=-4.202 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
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 I2VH63XOYp8k; Wed, 6 Apr 2016 13:08:35 -0700 (PDT)
Received: from sessmg22.ericsson.net (sessmg22.ericsson.net [193.180.251.58]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3CADF12D135; Wed, 6 Apr 2016 13:08:35 -0700 (PDT)
X-AuditID: c1b4fb3a-f79d86d000005b69-90-57056cc1a39d
Received: from ESESSHC017.ericsson.se (Unknown_Domain [153.88.183.69]) by sessmg22.ericsson.net (Symantec Mail Security) with SMTP id 11.BE.23401.1CC65075; Wed, 6 Apr 2016 22:08:33 +0200 (CEST)
Received: from [127.0.0.1] (153.88.183.153) by smtp.internal.ericsson.com (153.88.183.71) with Microsoft SMTP Server id 14.3.248.2; Wed, 6 Apr 2016 22:08:31 +0200
To: <ben@nostrum.com>, <alissa@cooperw.in>, <keith.drage@alcatel-lucent.com>, <roni.even@mail01.huawei.com>
References: <20150427154813.ECA28180092@rfc-editor.org> <5702A648.4010502@ericsson.com>
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
Message-ID: <57056C9E.3040605@ericsson.com>
Date: Wed, 6 Apr 2016 17:07:58 -0300
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0
MIME-Version: 1.0
In-Reply-To: <5702A648.4010502@ericsson.com>
Content-Type: text/plain; charset="windows-1252"; format=flowed
Content-Transfer-Encoding: 8bit
X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrFLMWRmVeSWpSXmKPExsUyM2K7q+7BHNZwg+9rZCymn/nLaPGyZyW7 xfzO0+wWTxvPMlpcuniWyeJJyw9mi5NfdrA4sHu0PtvL6vHlyUsmjyVLfjJ57Nj8gNXj7q1L TB6zdj5hCWCL4rJJSc3JLEst0rdL4Mq40X+dpWCVbMXKhfuZGhh7xbsYOTkkBEwkZv67wwhh i0lcuLeerYuRi0NI4AijxKNnq9hAEkICyxgltvwNB7GFBRwldr9cxwJiiwjkSvQe/wZVEykx 6fVudhCbWSBc4tnch2A1bAIWEjd/NALVcHDwCmhL7J6QCxJmEVCRmDxjBSuILSoQI3H83Tmw G3gFBCVOznwC1sopoCNx6OhUFpBWZgF7iQdbyyCmy0s0b53NDLFVW6KhqYN1AqPgLCTdsxA6 ZiHpWMDIvIpRtDi1uDg33chIL7UoM7m4OD9PLy+1ZBMjMAYObvlttYPx4HPHQ4wCHIxKPLwL clnChVgTy4orcw8xSnAwK4nwLk5jDRfiTUmsrEotyo8vKs1JLT7EKM3BoiTOmxP5L0xIID2x JDU7NbUgtQgmy8TBKdXAGNVksfrppWyH+7uzNS/eWHyqfOmKnB1b4xbIXfvC57C9VFrRe9Xm shQdjn1PnoVIMS3a+G7i6pP+k1RydgSv0mG6wr3H9SmPr9j5qhDnV1tnvE6L5Cv7/PbuYxX1 vXdi9YRW33tie/aKl8Eb6UzNz3dYpryIb5z0Sun7hCdFC9qEfh85McVv1nMlluKMREMt5qLi RAA8SWmIfQIAAA==
Archived-At: <http://mailarchive.ietf.org/arch/msg/avt/BGgKKiPAExhqaIIJrgBE_qHXS-w>
Cc: Thomas.Belling@nokia.com, avt@ietf.org, "payload@ietf.org" <payload@ietf.org>
Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4867 (4348)
X-BeenThere: avt@ietf.org
X-Mailman-Version: 2.1.17
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, 06 Apr 2016 20:08:38 -0000

Payload,

I should have included you from start. Please provide any input on this 
Errata as its relate to an RTP Payload format.

Cheers

Magnus Westerlund
(AVTCORE WG chair)

Den 2016-04-04 kl. 14:37, skrev Magnus Westerlund:
> WG,
>
> I am co-author of this document. If there are any controversy around the
> consensus here I will let my co-chair or the AD judge that.
>
> However, the WG should progress this Errata. It has been created due to
> actual interoperability issues that has been discussed in 3GPP SA4. From
> my perspective the errata also represents the intention of the document.
> Thus I propose that this errata is verified. Please provide any feedback
> by the 18th of April.
>
> Cheers
>
> Magnus Westerlund
>
> Den 2015-04-27 kl. 12:48, skrev RFC Errata System:
>> The following errata report has been submitted for RFC4867,
>> "RTP Payload Format and File Storage Format for the Adaptive
>> Multi-Rate (AMR) and Adaptive Multi-Rate Wideband (AMR-WB) Audio Codecs".
>>
>> --------------------------------------
>> You may review the report below and at:
>> http://www.rfc-editor.org/errata_search.php?rfc=4867&eid=4348
>>
>> --------------------------------------
>> Type: Technical
>> Reported by: Thomas Belling <Thomas.Belling@nokia.com>
>>
>> Section: 4.3.1
>>
>> Original Text
>> -------------
>>     The encoder SHOULD follow a received codec mode request, but MAY
>>     change to a lower-numbered mode if it so chooses, for example, to
>>     control congestion.
>>
>>
>> Corrected Text
>> --------------
>>     The encoder MUST follow a received codec mode request as soon as
>>     possible. It SHOULD use the requested mode, but MAY change to a
>>     lower-numbered mode if it so chooses, for example, to
>>     control congestion. However, the encoder MUST NOT use a
>>     higher-numbered mode than the received codec mode request.
>>
>>
>> Notes
>> -----
>> This seems to be the intention of the existing text, but is not
> explicitly stated. It is essential for the end-to-end mode control and
> interoperability with 3GPP CS networks that a peer does not send higher
> modes than requested.
>>
>> This erratum has been discussed and endorsed by the 3GPP SA4 group
> before submission to IETF.
>
>> Instructions:
>> -------------
>> This erratum is currently posted as "Reported". If necessary, please
>> use "Reply All" to discuss whether it should be verified or
>> rejected. When a decision is reached, the verifying party (IESG)
>> can log in to change the status and edit the report, if necessary.
>>
>> --------------------------------------
>> RFC4867 (draft-ietf-avt-rtp-amr-bis-06)
>> --------------------------------------
>> Title               : RTP Payload Format and File Storage Format for
>> the Adaptive Multi-Rate (AMR) and Adaptive Multi-Rate Wideband
>> (AMR-WB) Audio Codecs
>> Publication Date    : April 2007
>> Author(s)           : J. Sjoberg, M. Westerlund, A. Lakaniemi, Q. Xie
>> Category            : PROPOSED STANDARD
>> Source              : Audio/Video Transport
>> Area                : Real-time Applications and Infrastructure
>> Stream              : IETF
>> Verifying Party     : IESG
>>
>>
>
>


-- 

Magnus Westerlund

----------------------------------------------------------------------
Services, Media and Network features, Ericsson Research EAB/TXM
----------------------------------------------------------------------
Ericsson AB                 | Phone  +46 10 7148287
Färögatan 6                 | Mobile +46 73 0949079
SE-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com
----------------------------------------------------------------------