From rjsparks@nostrum.com Thu Jan 3 11:18:50 2013 Return-Path: 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 6DC0521F8CDD for ; Thu, 3 Jan 2013 11:18:50 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.599 X-Spam-Level: X-Spam-Status: No, score=-102.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id J376Eret-3G8 for ; Thu, 3 Jan 2013 11:18:49 -0800 (PST) Received: from shaman.nostrum.com (nostrum-pt.tunnel.tserv2.fmt.ipv6.he.net [IPv6:2001:470:1f03:267::2]) by ietfa.amsl.com (Postfix) with ESMTP id AF6D321F8A67 for ; Thu, 3 Jan 2013 11:18:49 -0800 (PST) Received: from unnumerable.local (pool-173-57-99-236.dllstx.fios.verizon.net [173.57.99.236]) (authenticated bits=0) by shaman.nostrum.com (8.14.3/8.14.3) with ESMTP id r03JIjGh024868 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Thu, 3 Jan 2013 13:18:46 -0600 (CST) (envelope-from rjsparks@nostrum.com) Message-ID: <50E5D995.3020808@nostrum.com> Date: Thu, 03 Jan 2013 13:18:45 -0600 From: Robert Sparks User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:16.0) Gecko/20121026 Thunderbird/16.0.2 MIME-Version: 1.0 To: avt@ietf.org, draft-ietf-avtcore-srtp-encrypted-header-ext@tools.ietf.org, avtcore-chairs@ietf.org, Gonzalo Camarillo Content-Type: multipart/alternative; boundary="------------030904060105010601040502" Received-SPF: pass (nostrum.com: 173.57.99.236 is authenticated by a trusted mechanism) Subject: [AVTCORE] AD Review: draft-ietf-avtcore-srtp-encrypted-header-ext-03 X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jan 2013 19:18:50 -0000 This is a multi-part message in MIME format. --------------030904060105010601040502 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Summary: There is one issue to adjust with a revised ID before proceeding to IETF LC. (Based on a brief voice conversation with Jonathan Lennox) The ABNF in Figure 3 is recursive as written. It allows productions like a=extmap:1 urn:ietf:params:rtp-hdrext:encrypt urn:ietf:params:rtp-hdrext:toffset urn:ietf:params:rtp-hdrext:ssrc-audio-level and worse a=extmap:1 urn:ietf:params:rtp-hdrext:encrypt urn:ietf:params:rtp-hdrext:toffset token1 token 2 urn:ietf:params:rtp-hdrext:ssrc-audio-level etc. I suggest to avoid this instead extend the rule for extmap in RFC5285 (please explicitly call out that's where to look for the base definition of extmap, extensionname, and extensionattributes) as follows: extmap /= mapentry SP "urn:ietf:params:rtp-hdrext:encrypt" extensionname [SP extensionattributes] Jonathan notes that RFC5234's quoted-strings are by definition case insensitive. If extensionnames are intended to be case-sensitive (RFC5285 is silent on that point), the quoted string above would need to be replaced with hex expansions for the individual characters: >>> [hex(ord(ch)) for ch in list('urn:ietf:params:rtp-hdrext:encrypt')] ['0x75', '0x72', '0x6e', '0x3a', '0x69', '0x65', '0x74', '0x66', '0x3a', '0x70', '0x61', '0x72', '0x61', '0x6d', '0x73', '0x3a', '0x72', '0x74', '0x70', '0x2d', '0x68', '0x64', '0x72', '0x65', '0x78', '0x74', '0x3a', '0x65', '0x6e', '0x63', '0x72', '0x79', '0x70', '0x74'] Nits: In the abstract, I suggest s/require that all SRTP/require that all future SRTP/ Introduction, 1st paragraph, s/using of the Real-Time/using the Real-Time/ --------------030904060105010601040502 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Summary: There is one issue to adjust with a revised ID before proceeding to IETF LC.

(Based on a brief voice conversation with Jonathan Lennox)

The ABNF in Figure 3 is recursive as written. It allows productions like

a=extmap:1 urn:ietf:params:rtp-hdrext:encrypt urn:ietf:params:rtp-hdrext:toffset urn:ietf:params:rtp-hdrext:ssrc-audio-level
and worse
a=extmap:1 urn:ietf:params:rtp-hdrext:encrypt urn:ietf:params:rtp-hdrext:toffset token1 token 2 urn:ietf:params:rtp-hdrext:ssrc-audio-level

etc.

I suggest to avoid this instead extend the rule for extmap in RFC5285 (please explicitly call out that's where to look for the base
definition of extmap, extensionname, and extensionattributes) as follows:

extmap /= mapentry SP "urn:ietf:params:rtp-hdrext:encrypt" extensionname [SP extensionattributes]

Jonathan notes that RFC5234's quoted-strings are by definition case insensitive. If extensionnames are intended to be case-sensitive
(RFC5285 is silent on that point), the quoted string above would need to be replaced with hex expansions for the individual characters:

>>> [hex(ord(ch)) for ch in list('urn:ietf:params:rtp-hdrext:encrypt')]
['0x75', '0x72', '0x6e', '0x3a', '0x69', '0x65', '0x74', '0x66', '0x3a', '0x70', '0x61', '0x72', '0x61', '0x6d', '0x73', '0x3a', '0x72', '0x74', '0x70', '0x2d', '0x68', '0x64', '0x72', '0x65', '0x78', '0x74', '0x3a', '0x65', '0x6e', '0x63', '0x72', '0x79', '0x70', '0x74']


Nits:

In the abstract, I suggest s/require that all SRTP/require that all future SRTP/

Introduction, 1st paragraph, s/using of the Real-Time/using the Real-Time/


--------------030904060105010601040502-- From internet-drafts@ietf.org Thu Jan 3 11:56:38 2013 Return-Path: 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 D133421F84EB; Thu, 3 Jan 2013 11:56:38 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.94 X-Spam-Level: X-Spam-Status: No, score=-101.94 tagged_above=-999 required=5 tests=[AWL=0.659, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cUHUyNGgLxHR; Thu, 3 Jan 2013 11:56:38 -0800 (PST) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3AAC821F858A; Thu, 3 Jan 2013 11:56:38 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 4.37 Message-ID: <20130103195638.21689.5846.idtracker@ietfa.amsl.com> Date: Thu, 03 Jan 2013 11:56:38 -0800 Cc: avt@ietf.org Subject: [AVTCORE] I-D Action: draft-ietf-avtcore-srtp-encrypted-header-ext-04.txt X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jan 2013 19:56:39 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Audio/Video Transport Core Maintenance Wo= rking Group of the IETF. Title : Encryption of Header Extensions in the Secure Real-Time = Transport Protocol (SRTP) Author(s) : Jonathan Lennox Filename : draft-ietf-avtcore-srtp-encrypted-header-ext-04.txt Pages : 16 Date : 2013-01-03 Abstract: The Secure Real-Time Transport Protocol (SRTP) provides authentication, but not encryption, of the headers of Real-Time Transport Protocol (RTP) packets. However, RTP header extensions may carry sensitive information for which participants in multimedia sessions want confidentiality. This document provides a mechanism, extending the mechanisms of SRTP, to selectively encrypt RTP header extensions in SRTP. This document updates RFC 3711, the Secure Real-Time Transport Protocol specification, to require that all future SRTP encryption transforms specify how RTP header extensions are to be encrypted. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-avtcore-srtp-encrypted-header-e= xt There's also a htmlized version available at: http://tools.ietf.org/html/draft-ietf-avtcore-srtp-encrypted-header-ext-04 A diff from the previous version is available at: http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-avtcore-srtp-encrypted-header= -ext-04 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From jonathan@vidyo.com Thu Jan 3 12:05:50 2013 Return-Path: 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 1BF2321F8DD0 for ; Thu, 3 Jan 2013 12:05:50 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.599 X-Spam-Level: X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id rv7bPrTB26Yb for ; Thu, 3 Jan 2013 12:05:49 -0800 (PST) Received: from mxout.myoutlookonline.com (mxout.myoutlookonline.com [64.95.72.243]) by ietfa.amsl.com (Postfix) with ESMTP id 6F3E921F8DCB for ; Thu, 3 Jan 2013 12:05:49 -0800 (PST) Received: from mxout.myoutlookonline.com (localhost [127.0.0.1]) by mxout.myoutlookonline.com (Postfix) with ESMTP id DD8B979C435; Thu, 3 Jan 2013 14:37:04 -0500 (EST) X-Virus-Scanned: by SpamTitan at mail.lan Received: from HUB016.mail.lan (unknown [10.110.2.1]) by mxout.myoutlookonline.com (Postfix) with ESMTP id 71A0479C433; Thu, 3 Jan 2013 14:37:04 -0500 (EST) Received: from BE235.mail.lan ([10.110.32.235]) by HUB016.mail.lan ([10.110.17.16]) with mapi; Thu, 3 Jan 2013 15:05:44 -0500 From: Jonathan Lennox To: Robert Sparks Date: Thu, 3 Jan 2013 15:05:44 -0500 Thread-Topic: [AVTCORE] AD Review: draft-ietf-avtcore-srtp-encrypted-header-ext-03 Thread-Index: Ac3p7bbdB0ESr/g3SbmvTStlfjMnlg== Message-ID: <54B21A1A-E119-45FE-BB4B-211BC84DEAFE@vidyo.com> References: <50E5D995.3020808@nostrum.com> In-Reply-To: <50E5D995.3020808@nostrum.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "avtcore-chairs@ietf.org" , "draft-ietf-avtcore-srtp-encrypted-header-ext@tools.ietf.org" , "avt@ietf.org" Subject: Re: [AVTCORE] AD Review: draft-ietf-avtcore-srtp-encrypted-header-ext-03 X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jan 2013 20:05:50 -0000 Hello, all -- I've submitted a revised version -04 of the draft, fixing the ABNF syntax a= nd Robert's other nits. I've proceeded on the assumption that RFC 5285's extensionname values are i= ndeed case-sensitive, so in the new version of the draft I've written out t= he extensionname value in hex in the ABNF syntax. This case-sentivity question is probably an issue that should be explicitly= defined somewhere. Is this something that's in scope of the Errata proces= s, or would it need to be addressed in an update to RFC 5285? (Regardless, I don't think the encrypted-header-ext draft would be the righ= t place to fix it.) On Jan 3, 2013, at 2:18 PM, Robert Sparks wrote: > Summary: There is one issue to adjust with a revised ID before proceeding= to IETF LC. >=20 > (Based on a brief voice conversation with Jonathan Lennox) >=20 > The ABNF in Figure 3 is recursive as written. It allows productions like >=20 > a=3Dextmap:1 urn:ietf:params:rtp-hdrext:encrypt urn:ietf:params:rtp-hdrex= t:toffset urn:ietf:params:rtp-hdrext:ssrc-audio-level > and worse > a=3Dextmap:1 urn:ietf:params:rtp-hdrext:encrypt urn:ietf:params:rtp-hdrex= t:toffset token1 token 2 urn:ietf:params:rtp-hdrext:ssrc-audio-level >=20 > etc. >=20 > I suggest to avoid this instead extend the rule for extmap in RFC5285 (pl= ease explicitly call out that's where to look for the base > definition of extmap, extensionname, and extensionattributes) as follows: >=20 > extmap /=3D mapentry SP "urn:ietf:params:rtp-hdrext:encrypt" extensionnam= e [SP extensionattributes] >=20 > Jonathan notes that RFC5234's quoted-strings are by definition case insen= sitive. If extensionnames are intended to be case-sensitive > (RFC5285 is silent on that point), the quoted string above would need to = be replaced with hex expansions for the individual characters: >=20 > >>> [hex(ord(ch)) for ch in list('urn:ietf:params:rtp-hdrext:encrypt')] > ['0x75', '0x72', '0x6e', '0x3a', '0x69', '0x65', '0x74', '0x66', '0x3a', = '0x70', '0x61', '0x72', '0x61', '0x6d', '0x73', '0x3a', '0x72', '0x74', '0x= 70', '0x2d', '0x68', '0x64', '0x72', '0x65', '0x78', '0x74', '0x3a', '0x65'= , '0x6e', '0x63', '0x72', '0x79', '0x70', '0x74'] >=20 >=20 > Nits: >=20 > In the abstract, I suggest s/require that all SRTP/require that all futur= e SRTP/ >=20 > Introduction, 1st paragraph, s/using of the Real-Time/using the Real-Time= / >=20 >=20 > _______________________________________________ > Audio/Video Transport Core Maintenance > avt@ietf.org > https://www.ietf.org/mailman/listinfo/avt -- Jonathan Lennox jonathan@vidyo.com From rjsparks@nostrum.com Thu Jan 3 12:06:28 2013 Return-Path: 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 E709A21F8DCF for ; Thu, 3 Jan 2013 12:06:28 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.6 X-Spam-Level: X-Spam-Status: No, score=-102.6 tagged_above=-999 required=5 tests=[AWL=0.000, BAYES_00=-2.599, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zGSG34A4+5TM for ; Thu, 3 Jan 2013 12:06:28 -0800 (PST) Received: from shaman.nostrum.com (nostrum-pt.tunnel.tserv2.fmt.ipv6.he.net [IPv6:2001:470:1f03:267::2]) by ietfa.amsl.com (Postfix) with ESMTP id 4EE3921F8DBF for ; Thu, 3 Jan 2013 12:06:28 -0800 (PST) Received: from unnumerable.local (pool-173-57-99-236.dllstx.fios.verizon.net [173.57.99.236]) (authenticated bits=0) by shaman.nostrum.com (8.14.3/8.14.3) with ESMTP id r03K6REE029983 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Thu, 3 Jan 2013 14:06:27 -0600 (CST) (envelope-from rjsparks@nostrum.com) Message-ID: <50E5E4C3.3010100@nostrum.com> Date: Thu, 03 Jan 2013 14:06:27 -0600 From: Robert Sparks User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:16.0) Gecko/20121026 Thunderbird/16.0.2 MIME-Version: 1.0 To: avt@ietf.org References: <20130103195638.21689.5846.idtracker@ietfa.amsl.com> In-Reply-To: <20130103195638.21689.5846.idtracker@ietfa.amsl.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass (nostrum.com: 173.57.99.236 is authenticated by a trusted mechanism) Subject: Re: [AVTCORE] I-D Action: draft-ietf-avtcore-srtp-encrypted-header-ext-04.txt X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jan 2013 20:06:29 -0000 I've requested IETF LC of this version - watch for its announcement soon. RjS On 1/3/13 1:56 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 Audio/Video Transport Core Maintenance Working Group of the IETF. > > Title : Encryption of Header Extensions in the Secure Real-Time Transport Protocol (SRTP) > Author(s) : Jonathan Lennox > Filename : draft-ietf-avtcore-srtp-encrypted-header-ext-04.txt > Pages : 16 > Date : 2013-01-03 > > Abstract: > The Secure Real-Time Transport Protocol (SRTP) provides > authentication, but not encryption, of the headers of Real-Time > Transport Protocol (RTP) packets. However, RTP header extensions may > carry sensitive information for which participants in multimedia > sessions want confidentiality. This document provides a mechanism, > extending the mechanisms of SRTP, to selectively encrypt RTP header > extensions in SRTP. > > This document updates RFC 3711, the Secure Real-Time Transport > Protocol specification, to require that all future SRTP encryption > transforms specify how RTP header extensions are to be encrypted. > > > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-avtcore-srtp-encrypted-header-ext > > There's also a htmlized version available at: > http://tools.ietf.org/html/draft-ietf-avtcore-srtp-encrypted-header-ext-04 > > A diff from the previous version is available at: > http://www.ietf.org/rfcdiff?url2=draft-ietf-avtcore-srtp-encrypted-header-ext-04 > > > Internet-Drafts are also available by anonymous FTP at: > ftp://ftp.ietf.org/internet-drafts/ > > _______________________________________________ > Audio/Video Transport Core Maintenance > avt@ietf.org > https://www.ietf.org/mailman/listinfo/avt From iesg-secretary@ietf.org Thu Jan 3 12:42:08 2013 Return-Path: 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 6BFAA21F8D6F; Thu, 3 Jan 2013 12:42:08 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.338 X-Spam-Level: X-Spam-Status: No, score=-101.338 tagged_above=-999 required=5 tests=[AWL=1.262, BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ERqy5wn55-PQ; Thu, 3 Jan 2013 12:42:07 -0800 (PST) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E217221F8CAA; Thu, 3 Jan 2013 12:42:07 -0800 (PST) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: The IESG To: IETF-Announce X-Test-IDTracker: no X-IETF-IDTracker: 4.37 Message-ID: <20130103204207.3922.53108.idtracker@ietfa.amsl.com> Date: Thu, 03 Jan 2013 12:42:07 -0800 Cc: avt@ietf.org Subject: [AVTCORE] Last Call: (Encryption of Header Extensions in the Secure Real-Time Transport Protocol (SRTP)) to Proposed Standard X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: ietf@ietf.org List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Jan 2013 20:42:08 -0000 The IESG has received a request from the Audio/Video Transport Core Maintenance WG (avtcore) to consider the following document: - 'Encryption of Header Extensions in the Secure Real-Time Transport Protocol (SRTP)' as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2013-01-17. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract The Secure Real-Time Transport Protocol (SRTP) provides authentication, but not encryption, of the headers of Real-Time Transport Protocol (RTP) packets. However, RTP header extensions may carry sensitive information for which participants in multimedia sessions want confidentiality. This document provides a mechanism, extending the mechanisms of SRTP, to selectively encrypt RTP header extensions in SRTP. This document updates RFC 3711, the Secure Real-Time Transport Protocol specification, to require that all future SRTP encryption transforms specify how RTP header extensions are to be encrypted. The file can be obtained via http://datatracker.ietf.org/doc/draft-ietf-avtcore-srtp-encrypted-header-ext/ IESG discussion can be tracked via http://datatracker.ietf.org/doc/draft-ietf-avtcore-srtp-encrypted-header-ext/ballot/ No IPR declarations have been submitted directly on this I-D. From wwwrun@rfc-editor.org Fri Jan 11 05:35:22 2013 Return-Path: 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 2CBD821F8942 for ; Fri, 11 Jan 2013 05:35:22 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.451 X-Spam-Level: X-Spam-Status: No, score=-102.451 tagged_above=-999 required=5 tests=[AWL=0.149, BAYES_00=-2.599, NO_RELAYS=-0.001, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8lHGidiXGh0Y for ; Fri, 11 Jan 2013 05:35:21 -0800 (PST) Received: from rfc-editor.org (rfc-editor.org [IPv6:2001:1890:123a::1:2f]) by ietfa.amsl.com (Postfix) with ESMTP id A71B921F892A for ; Fri, 11 Jan 2013 05:35:21 -0800 (PST) Received: by rfc-editor.org (Postfix, from userid 30) id A8C86B1E002; Fri, 11 Jan 2013 05:24:51 -0800 (PST) To: schulzrinne@cs.columbia.edu, taylor@nortel.com, gonzalo.camarillo@ericsson.com, rjsparks@nostrum.com, keith.drage@alcatel-lucent.com, even.roni@huawei.com From: RFC Errata System Message-Id: <20130111132451.A8C86B1E002@rfc-editor.org> Date: Fri, 11 Jan 2013 05:24:51 -0800 (PST) Cc: xavier.marjou@orange.com, avt@ietf.org, rfc-editor@rfc-editor.org Subject: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Jan 2013 13:35:22 -0000 The following errata report has been submitted for RFC4733, "RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals". -------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=4733&eid=3451 -------------------------------------- Type: Technical Reported by: Xavier Marjou Section: 2.1 Original Text ------------- Named telephone events are carried as part of the audio stream and MUST use the same sequence number and timestamp base as the regular audio channel to simplify the generation of audio waveforms at a gateway. Corrected Text -------------- Named telephone events are carried as part of the audio stream and MUST use the same SSRC (therefore the same timing and sequence number space) and the same timestamp clock rate as the regular audio channel to simplify the generation of audio waveforms at a gateway. Notes ----- RFC4733 was written in a way to avoid the multiple clock-rate problem by mandating the use of the same SSRC for DTMF and audio. However it's not explicitly written, which brings an ambiguity. It was commented that RFC4733 needs to be updated. (c.f. http://tools.ietf.org/wg/avtext/minutes?item=minutes-85-avtext.html) Instructions: ------------- This errata 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. -------------------------------------- RFC4733 (draft-ietf-avt-rfc2833bis-15) -------------------------------------- Title : RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals Publication Date : December 2006 Author(s) : H. Schulzrinne, T. Taylor Category : PROPOSED STANDARD Source : Audio/Video Transport Area : Real-time Applications and Infrastructure Stream : IETF Verifying Party : IESG From kevin.gross@avanw.com Sat Jan 12 12:15:16 2013 Return-Path: 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 7B01121F8849 for ; Sat, 12 Jan 2013 12:15:16 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -1.642 X-Spam-Level: X-Spam-Status: No, score=-1.642 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, IP_NOT_FRIENDLY=0.334] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hOIy1wXFrzm5 for ; Sat, 12 Jan 2013 12:15:15 -0800 (PST) Received: from oproxy13-pub.unifiedlayer.com (oproxy13-pub.unifiedlayer.com [69.89.16.30]) by ietfa.amsl.com (Postfix) with SMTP id 7A39721F8844 for ; Sat, 12 Jan 2013 12:15:15 -0800 (PST) Received: (qmail 30245 invoked by uid 0); 12 Jan 2013 20:14:48 -0000 Received: from unknown (HELO host291.hostmonster.com) (74.220.215.91) by oproxy13.unifiedlayer.com with SMTP; 12 Jan 2013 20:14:48 -0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=avanw.com; s=default; h=Content-Type:Cc:To:From:Subject:Message-ID:Date:References:In-Reply-To:MIME-Version; bh=RMgyeX3mtZH8kY3CoWhFAzdD5FrBVoeLD17Ysm1WKuU=; b=ImNc4x8vrsGhwCC7GY3mL0oYRiJ+jQ2kGIq5OxKTKBoYOYP53vxd7T+YGT6t3Kqt2QxI0V85uz8vAP5o2da1HzGFx7sAT6mGJFqGZc4nRRAihZBAa3YKVcCdC1v5d2Nf; Received: from [209.85.223.179] (port=51871 helo=mail-ie0-f179.google.com) by host291.hostmonster.com with esmtpsa (TLSv1:RC4-SHA:128) (Exim 4.80) (envelope-from ) id 1Tu7Tb-0008C4-On for avt@ietf.org; Sat, 12 Jan 2013 13:14:47 -0700 Received: by mail-ie0-f179.google.com with SMTP id k14so3617954iea.38 for ; Sat, 12 Jan 2013 12:14:47 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.50.183.227 with SMTP id ep3mr2697191igc.107.1358021686842; Sat, 12 Jan 2013 12:14:46 -0800 (PST) Received: by 10.50.151.135 with HTTP; Sat, 12 Jan 2013 12:14:46 -0800 (PST) In-Reply-To: References: Date: Sat, 12 Jan 2013 13:14:46 -0700 Message-ID: From: Kevin Gross To: "Ali C. Begen (abegen)" Content-Type: multipart/alternative; boundary=14dae9340d913dd5a104d31d106b X-Identified-User: {1416:host291.hostmonster.com:avanwcom:avanw.com} {sentby:smtp auth 209.85.223.179 authed with kevin.gross@avanw.com} Cc: "avt@ietf.org" Subject: Re: [AVTCORE] FW: New Version Notification for draft-rescorla-avtcore-6222bis-00.txt X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Jan 2013 20:15:16 -0000 --14dae9340d913dd5a104d31d106b Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Sorry for the delay responding. I do think otherwise. (a) is fine because OUI registration prevents collisions. (b) relies on statistics to prevent collisions. There's not enough entropy in 48-bit number to statistically prevent collisions in a larger population of participants. See http://en.wikipedia.org/wiki/Birthday_problem. 96-bits is where things are workable. Kevin On Sat, Dec 29, 2012 at 2:48 PM, Ali C. Begen (abegen) wr= ote: > Kevin, > > -----Original Message----- > From: "Ali C. Begen" > Date: Monday, November 5, 2012 7:02 PM > To: Kevin Gross > Cc: "avt@ietf.org" > Subject: Re: [AVTCORE] FW: New Version Notification for > draft-rescorla-avtcore-6222bis-00.txt > > >>Second bullet point in section 4.2 Item (b): Proposes truncating our ni= ce > >>96-bit random CNAME to 48 bits. I think we have an unacceptable > >>opportunity for duplication with this approach. This CNAME should > >>probably use RFC 4648 in which case these CNAMEs > >>take the same form as the per-session CNAMES but differ in the > >>requirement to create once at software initialization. Is it necessary > >>for the different types of CNAMEs to have different appearance? > > > >I don=B9t think there is such a requirement and your suggestion makes se= nse. > > Thinking more about this, I think the current text is good. Item (a) uses > 48-bit MAC addresses. So, even if we use truncating in item (b), its > collision probability will not be any worse than item (a)'s. Note that > both item (a) and (b) use 17-octet string representation whereas the > per-session CNAME uses 16-octet string representation. > > Let me know if you think otherwise. > > -acbegen > > --14dae9340d913dd5a104d31d106b Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Sorry for the delay responding. I do think otherwise. (a) is fine beca= use OUI registration prevents collisions. (b) relies on statistics to preve= nt collisions. There's not enough=A0entropy=A0in 48-bit number to=A0sta= tistically=A0prevent collisions in a larger population of participants. See= http://en.wikipe= dia.org/wiki/Birthday_problem. 96-bits is where things are workable.

Kevin

On Sat, Dec 2= 9, 2012 at 2:48 PM, Ali C. Begen (abegen) <abegen@cisco.com> = wrote:
Kevin,

-----Original Message-----
From: "Ali C. Begen" <abeg= en@cisco.com>
Date: Monday, November 5, 2012 7:02 PM
To: Kevin Gross <kevin.gross@av= anw.com>
Cc: "avt@ietf.org" <avt@ietf.org>
Subject: Re: [AVTCORE] FW: New Version Notification for
draft-rescorla-avtcore-6222bis-00.txt

>>Second bullet point in section 4.2 Item (b)= : Proposes truncating our nice
>>96-bit random CNAME to 48 bits. I think we have an unacceptable
>>opportunity for duplication with this approach. This CNAME should >>probably use RFC 4648 in which case these CNAMEs
>>take the same form as the per-session CNAMES but differ in the
>>requirement to create once at software initialization. Is it necess= ary
>>for the different types of CNAMEs to have different appearance?
>
>I don=B9t think there is such a requirement and your suggestion makes s= ense.

Thinking more about this, I think the current text is good. Item (a) = uses
48-bit MAC addresses. So, even if we use truncating in item (b), its
collision probability will not be any worse than item (a)'s. Note that<= br> both item (a) and (b) use 17-octet string representation whereas the
per-session CNAME uses 16-octet string representation.

Let me know if you think otherwise.

-acbegen


--14dae9340d913dd5a104d31d106b-- From tom.taylor.stds@gmail.com Sun Jan 13 17:08:41 2013 Return-Path: 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 E15A821F85CE for ; Sun, 13 Jan 2013 17:08:41 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.953 X-Spam-Level: X-Spam-Status: No, score=-2.953 tagged_above=-999 required=5 tests=[AWL=-0.646, BAYES_00=-2.599, MISSING_HEADERS=1.292, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hyVZ4TrPECJa for ; Sun, 13 Jan 2013 17:08:41 -0800 (PST) Received: from mail-ie0-f182.google.com (mail-ie0-f182.google.com [209.85.223.182]) by ietfa.amsl.com (Postfix) with ESMTP id 516E921F85BF for ; Sun, 13 Jan 2013 17:08:41 -0800 (PST) Received: by mail-ie0-f182.google.com with SMTP id s9so4416796iec.27 for ; Sun, 13 Jan 2013 17:08:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:message-id:date:from:user-agent:mime-version:cc:subject :references:in-reply-to:content-type:content-transfer-encoding :x-antivirus:x-antivirus-status; bh=j85adaYWuHZJRWP10KmucvWdDuv+d56Qj5ps2xaEwpo=; b=MMt4oztkL47RtYEFdZyixvMlHvDSOqCNN3xpQiUc5erv0ammdP4bYlAv+MPG6OeIFI XAl8JH8I1OBPoDJBsq0buSmGgTZNBTym27Qjqs4+5UgjWt2aiDeWH6XE3d9NFkrDUjUe sP8GBLkt+aiDABeiPDXct5YVR/hYtipRRdvTOeFNUr4MUZY6o0PatUpiq/1qfBkwrUk9 YCQChkv6lkGl2bBcxMKGbilQ0bLiwoV4YP3w1utMpxMQ/Fw8/2gqJs5tOOiSmVRWi3ZB AU8w8blNn9jqcvrcMH70aFtCZRJjWQgiixrrvVXwYk4W+qFRcVfFzUOzbutEjqs6IrYv 5HXQ== X-Received: by 10.50.187.134 with SMTP id fs6mr4371688igc.79.1358125721007; Sun, 13 Jan 2013 17:08:41 -0800 (PST) Received: from [127.0.0.1] (dsl-173-206-100-109.tor.primus.ca. [173.206.100.109]) by mx.google.com with ESMTPS id u4sm5873698igw.6.2013.01.13.17.08.39 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 13 Jan 2013 17:08:40 -0800 (PST) Message-ID: <50F35A96.1010407@gmail.com> Date: Sun, 13 Jan 2013 20:08:38 -0500 From: Tom Taylor User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 References: <20130111132451.A8C86B1E002@rfc-editor.org> In-Reply-To: <20130111132451.A8C86B1E002@rfc-editor.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: avast! (VPS 130113-1, 13/01/2013), Outbound message X-Antivirus-Status: Clean Cc: schulzrinne@cs.columbia.edu, xavier.marjou@orange.com, even.roni@huawei.com, avt@ietf.org Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jan 2013 01:08:42 -0000 Before accepting this report I would want to know the consensus view of the meaning of "same timestamp base". The problem was raised in the discussion of draft-ietf-avtext-multiple-clock-rates. My understanding of "timestamp base" is that it defines the time units in which the timestamp is expressed (usually some small fraction of a second) for all payloads using the same SSRC. The fact that the above-mentioned draft was accepted as a WG document suggests that my understanding is wrong. Perhaps someone else can comment. On 11/01/2013 8:24 AM, RFC Errata System wrote: > > The following errata report has been submitted for RFC4733, > "RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals". > > -------------------------------------- > You may review the report below and at: > http://www.rfc-editor.org/errata_search.php?rfc=4733&eid=3451 > > -------------------------------------- > Type: Technical > Reported by: Xavier Marjou > > Section: 2.1 > > Original Text > ------------- > Named telephone events are carried as part of the audio stream and > MUST use the same sequence number and timestamp base as the regular > audio channel to simplify the generation of audio waveforms at a > gateway. > > Corrected Text > -------------- > Named telephone events are carried as part of the audio stream and > MUST use the same SSRC (therefore the same timing and sequence > number space) and the same timestamp clock rate as the regular > audio channel to simplify the generation of audio waveforms at a > gateway. > > Notes > ----- > RFC4733 was written in a way to avoid the multiple clock-rate problem by mandating the use of the same SSRC for DTMF and audio. However it's not explicitly written, which brings an ambiguity. It was commented that RFC4733 needs to be updated. (c.f. http://tools.ietf.org/wg/avtext/minutes?item=minutes-85-avtext.html) > > Instructions: > ------------- > This errata 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. > > -------------------------------------- > RFC4733 (draft-ietf-avt-rfc2833bis-15) > -------------------------------------- > Title : RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals > Publication Date : December 2006 > Author(s) : H. Schulzrinne, T. Taylor > Category : PROPOSED STANDARD > Source : Audio/Video Transport > Area : Real-time Applications and Infrastructure > Stream : IETF > Verifying Party : IESG > _______________________________________________ > Audio/Video Transport Core Maintenance > avt@ietf.org > https://www.ietf.org/mailman/listinfo/avt > From aallison@nab.org Tue Jan 15 07:58:48 2013 Return-Path: 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 46FC221F869E for ; Tue, 15 Jan 2013 07:58:48 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9DViK1a8-ms8 for ; Tue, 15 Jan 2013 07:58:47 -0800 (PST) Received: from p01c12o145.mxlogic.net (p01c12o145.mxlogic.net [208.65.145.68]) by ietfa.amsl.com (Postfix) with ESMTP id 05EDC21F8632 for ; Tue, 15 Jan 2013 07:58:46 -0800 (PST) Received: from unknown [208.97.234.91] (EHLO NABSREX027324.NAB.ORG) by p01c12o145.mxlogic.net(mxl_mta-6.16.0-0) with ESMTP id 6bc75f05.0.72952.00-398.178319.p01c12o145.mxlogic.net (envelope-from ); Tue, 15 Jan 2013 08:58:47 -0700 (MST) X-MXL-Hash: 50f57cb778e167de-8c861e4cd92b54eece47892c672b465c35a4edd6 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Date: Tue, 15 Jan 2013 10:58:15 -0500 Message-ID: <71C9EC0544D1F64D8B7D91EDCC6220200CFC68A9@NABSREX027324.NAB.ORG> In-Reply-To: <50F35A96.1010407@gmail.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) Thread-Index: Ac3x869E2ymAcgMwQYSMHrwVZEC00QBRD2Dg References: <20130111132451.A8C86B1E002@rfc-editor.org> <50F35A96.1010407@gmail.com> From: "Art Allison" To: "Tom Taylor" X-AnalysisOut: [v=2.0 cv=RMwE6fe+ c=1 sm=1 a=tFGTPFZixTZ3yCXJchW01Q==:17 a] X-AnalysisOut: [=oHOBHFV2aHAA:10 a=BvPfnLs-15kA:10 a=BLceEmwcHowA:10 a=8nJ] X-AnalysisOut: [EP1OIZ-IA:10 a=g0FpLpFZAAAA:8 a=6CjRojJJfT0A:10 a=48vgC7mU] X-AnalysisOut: [AAAA:8 a=z9tbli-vAAAA:8 a=i0EeH86SAAAA:8 a=BqEg4_3jAAAA:8 ] X-AnalysisOut: [a=wYbP6A5MScku76yOI_4A:9 a=wPNLvfGTeEIA:10 a=8SgyfJxrfqYA:] X-AnalysisOut: [10 a=-9UqKSle32gA:10 a=mhd2NDuUijAA:10 a=Qd0007q6B0YA:10 a] X-AnalysisOut: [=lZB815dzVvQA:10 a=oAXR_kdF8uMA:10 a=hPjdaMEvmhQA:10 a=60u] X-AnalysisOut: [lcbv1GxiatwCF:21 a=zc98gvLEmJQQljnM:21] X-Spam: [F=0.2000000000; CM=0.500; S=0.200(2010122901)] X-MAIL-FROM: X-SOURCE-IP: [208.97.234.91] Cc: schulzrinne@cs.columbia.edu, xavier.marjou@orange.com, avt@ietf.org, even.roni@huawei.com Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Jan 2013 15:58:48 -0000 IMNSHO, for this provision to have any impact "same timestamp base" must = mean the same clock source as well as the same units. Use of the same units from a different clock source than the 'regular' = audio results in an indeterminate timing relationship for rendered = elements. (would have pruned names but I do not know that all are on the avt = list.) Art Allison=20 Senior Director Advanced Engineering, Technology=20 National Association of Broadcasters 1771 N Street NW Washington, DC 20036 Phone=A0 202 429 5418 Fax=A0 202 775 4981=20 www.nab.org=20 Advocacy =A0Education=A0 Innovation=20 -----Original Message----- From: avt-bounces@ietf.org [mailto:avt-bounces@ietf.org] On Behalf Of = Tom Taylor Sent: Sunday, January 13, 2013 8:09 PM Cc: schulzrinne@cs.columbia.edu; xavier.marjou@orange.com; = even.roni@huawei.com; avt@ietf.org Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) Before accepting this report I would want to know the consensus view of = the meaning of "same timestamp base". The problem was raised in the = discussion of draft-ietf-avtext-multiple-clock-rates. My understanding = of "timestamp base" is that it defines the time units in which the = timestamp is expressed (usually some small fraction of a second) for all = payloads using the same SSRC. The fact that the above-mentioned draft = was accepted as a WG document suggests that my understanding is wrong.=20 Perhaps someone else can comment. On 11/01/2013 8:24 AM, RFC Errata System wrote: > > The following errata report has been submitted for RFC4733, "RTP=20 > Payload for DTMF Digits, Telephony Tones, and Telephony Signals". > > -------------------------------------- > You may review the report below and at: > http://www.rfc-editor.org/errata_search.php?rfc=3D4733&eid=3D3451 > > -------------------------------------- > Type: Technical > Reported by: Xavier Marjou > > Section: 2.1 > > Original Text > ------------- > Named telephone events are carried as part of the audio stream and=20 > MUST use the same sequence number and timestamp base as the regular=20 > audio channel to simplify the generation of audio waveforms at a=20 > gateway. > > Corrected Text > -------------- > Named telephone events are carried as part of the audio stream and=20 > MUST use the same SSRC (therefore the same timing and sequence number=20 > space) and the same timestamp clock rate as the regular audio channel=20 > to simplify the generation of audio waveforms at a gateway. > > Notes > ----- > RFC4733 was written in a way to avoid the multiple clock-rate problem=20 > by mandating the use of the same SSRC for DTMF and audio. However it's = > not explicitly written, which brings an ambiguity. It was commented=20 > that RFC4733 needs to be updated. (c.f.=20 > http://tools.ietf.org/wg/avtext/minutes?item=3Dminutes-85-avtext.html) > > Instructions: > ------------- > This errata is currently posted as "Reported". If necessary, please=20 > use "Reply All" to discuss whether it should be verified or rejected.=20 > When a decision is reached, the verifying party (IESG) can log in to=20 > change the status and edit the report, if necessary. > > -------------------------------------- > RFC4733 (draft-ietf-avt-rfc2833bis-15) > -------------------------------------- > Title : RTP Payload for DTMF Digits, Telephony Tones, = and Telephony Signals > Publication Date : December 2006 > Author(s) : H. Schulzrinne, T. Taylor > Category : PROPOSED STANDARD > Source : Audio/Video Transport > Area : Real-time Applications and Infrastructure > Stream : IETF > Verifying Party : IESG > _______________________________________________ > Audio/Video Transport Core Maintenance avt@ietf.org=20 > https://www.ietf.org/mailman/listinfo/avt > _______________________________________________ Audio/Video Transport Core Maintenance avt@ietf.org https://www.ietf.org/mailman/listinfo/avt From aallison@nab.org Tue Jan 15 08:01:07 2013 Return-Path: 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 6DDAD21F86B8 for ; Tue, 15 Jan 2013 08:01:07 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[AWL=-0.001, BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RJ3IKD4FzaDn for ; Tue, 15 Jan 2013 08:01:05 -0800 (PST) Received: from p01c11o145.mxlogic.net (p01c11o145.mxlogic.net [208.65.144.68]) by ietfa.amsl.com (Postfix) with ESMTP id B8FCF21F86A9 for ; Tue, 15 Jan 2013 08:01:04 -0800 (PST) Received: from unknown [208.97.234.91] (EHLO p01c11o145.mxlogic.net) by p01c11o145.mxlogic.net(mxl_mta-6.16.0-0) with ESMTP id 04d75f05.6676d940.143363.00-498.325161.p01c11o145.mxlogic.net (envelope-from ); Tue, 15 Jan 2013 09:01:04 -0700 (MST) X-MXL-Hash: 50f57d4004817f77-bfc0de9a70230327d5306aed299430f02803a2e4 Received: from unknown [208.97.234.91] (EHLO NABSREX027324.NAB.ORG) by p01c11o145.mxlogic.net(mxl_mta-6.16.0-0) with ESMTP id f3d75f05.0.143346.00-316.325113.p01c11o145.mxlogic.net (envelope-from ); Tue, 15 Jan 2013 09:01:04 -0700 (MST) X-MXL-Hash: 50f57d40624993dd-fdaf345cb845cc8c898feb9a915f18aa2f07d3d1 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01CDF339.7F550B53" Date: Tue, 15 Jan 2013 11:00:53 -0500 Message-ID: <71C9EC0544D1F64D8B7D91EDCC6220200CFC68AF@NABSREX027324.NAB.ORG> In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [AVTCORE] FW: New Version Notification fordraft-rescorla-avtcore-6222bis-00.txt Thread-Index: Ac3xAYe/x5ZtND0VS4Ko7RpF0ytecACN7+mA References: From: "Art Allison" To: "Kevin Gross" , "Ali C. Begen (abegen)" X-AnalysisOut: [v=2.0 cv=B98OJpRM c=1 sm=1 a=tFGTPFZixTZ3yCXJchW01Q==:17 a] X-AnalysisOut: [=Pk55NjwedokA:10 a=BvPfnLs-15kA:10 a=BLceEmwcHowA:10 a=g0F] X-AnalysisOut: [pLpFZAAAA:8 a=KAB1gtzPAU4A:10 a=48vgC7mUAAAA:8 a=8pif782wA] X-AnalysisOut: [AAA:8 a=AUd_NHdVAAAA:8 a=ShlZpSYcAAAA:8 a=FfhnUEOnPYrh8KE-] X-AnalysisOut: [5OQA:9 a=wPNLvfGTeEIA:10 a=8SgyfJxrfqYA:10 a=-9UqKSle32gA:] X-AnalysisOut: [10 a=Qd0007q6B0YA:10 a=lZB815dzVvQA:10 a=JfD0Fch1gWkA:10 a] X-AnalysisOut: [=WGSFIyGZyLkA:10 a=wS5KViLViSX9-SR1:21 a=GvUbZqUW9gwGGN3-:] X-AnalysisOut: [21 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=TI2ux-7Y9X99P_bDJZA] X-AnalysisOut: [A:9 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 ] X-AnalysisOut: [a=frz4AuCg-hUA:10 a=tXsnliwV7b4A:10 a=wa4O7Aiq1LrCOjU8:21 ] X-AnalysisOut: [a=--PbSON-zHOzAYSl:21 a=cy0sq_VE6X_drJET:21] X-Spam: [F=0.2000000000; CM=0.500; S=0.200(2010122901)] X-MAIL-FROM: X-SOURCE-IP: [208.97.234.91] Cc: avt@ietf.org Subject: Re: [AVTCORE] FW: New Version Notification fordraft-rescorla-avtcore-6222bis-00.txt X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Jan 2013 16:01:07 -0000 This is a multi-part message in MIME format. ------_=_NextPart_001_01CDF339.7F550B53 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I share Kevin's view. =20 Art Allison=20 Senior Director Advanced Engineering, Technology=20 National Association of Broadcasters 1771 N Street NW Washington, DC 20036 Phone 202 429 5418 Fax 202 775 4981=20 www.nab.org =20 Advocacy Education Innovation=20 =20 From: avt-bounces@ietf.org [mailto:avt-bounces@ietf.org] On Behalf Of = Kevin Gross Sent: Saturday, January 12, 2013 3:15 PM To: Ali C. Begen (abegen) Cc: avt@ietf.org Subject: Re: [AVTCORE] FW: New Version Notification = fordraft-rescorla-avtcore-6222bis-00.txt =20 Sorry for the delay responding. I do think otherwise. (a) is fine = because OUI registration prevents collisions. (b) relies on statistics = to prevent collisions. There's not enough entropy in 48-bit number to = statistically prevent collisions in a larger population of participants. = See http://en.wikipedia.org/wiki/Birthday_problem. 96-bits is where = things are workable. =20 Kevin =20 On Sat, Dec 29, 2012 at 2:48 PM, Ali C. Begen (abegen) = wrote: Kevin, -----Original Message----- From: "Ali C. Begen" Date: Monday, November 5, 2012 7:02 PM To: Kevin Gross Cc: "avt@ietf.org" Subject: Re: [AVTCORE] FW: New Version Notification for draft-rescorla-avtcore-6222bis-00.txt >>Second bullet point in section 4.2 Item (b): Proposes truncating our = nice >>96-bit random CNAME to 48 bits. I think we have an unacceptable >>opportunity for duplication with this approach. This CNAME should >>probably use RFC 4648 in which case these CNAMEs >>take the same form as the per-session CNAMES but differ in the >>requirement to create once at software initialization. Is it necessary >>for the different types of CNAMEs to have different appearance? > >I don=B9t think there is such a requirement and your suggestion makes = sense. Thinking more about this, I think the current text is good. Item (a) = uses 48-bit MAC addresses. So, even if we use truncating in item (b), its collision probability will not be any worse than item (a)'s. Note that both item (a) and (b) use 17-octet string representation whereas the per-session CNAME uses 16-octet string representation. Let me know if you think otherwise. -acbegen =20 ------_=_NextPart_001_01CDF339.7F550B53 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I share = Kevin’s view.

 

Art Allison
Senior Director Advanced Engineering, Technology
National Association of Broadcasters
1771 N Street NW
Washington, = DC 20036
Phone  202 429 5418
Fax  202 775 = 4981
www.nab.org =
Advocacy  Education  Innovation

 

From:= = avt-bounces@ietf.org [mailto:avt-bounces@ietf.org] On Behalf Of = Kevin Gross
Sent: Saturday, January 12, 2013 3:15 = PM
To: Ali C. Begen (abegen)
Cc: = avt@ietf.org
Subject: Re: [AVTCORE] FW: New Version = Notification = fordraft-rescorla-avtcore-6222bis-00.txt

 

Sorry for the delay = responding. I do think otherwise. (a) is fine because OUI registration = prevents collisions. (b) relies on statistics to prevent collisions. = There's not enough entropy in 48-bit number = to statistically prevent collisions in a larger population of = participants. See http://en.wikipedi= a.org/wiki/Birthday_problem. 96-bits is where things are = workable.

 

Kevin

 

On = Sat, Dec 29, 2012 at 2:48 PM, Ali C. Begen (abegen) <abegen@cisco.com> wrote:

Kevin,


-----Original = Message-----
From: "Ali C. Begen" <abegen@cisco.com>
Date: = Monday, November 5, 2012 7:02 PM
To: Kevin Gross <kevin.gross@avanw.com>
Cc= : "avt@ietf.org" <avt@ietf.org>
Subject: Re: = [AVTCORE] FW: New Version Notification = for
draft-rescorla-avtcore-6222bis-00.txt

>>Second bullet = point in section 4.2 Item (b): Proposes truncating our = nice
>>96-bit random CNAME to 48 bits. I think we have an = unacceptable
>>opportunity for duplication with this approach. = This CNAME should
>>probably use RFC 4648 in which case these = CNAMEs
>>take the same form as the per-session CNAMES but = differ in the
>>requirement to create once at software = initialization. Is it necessary
>>for the different types of = CNAMEs to have different appearance?
>
>I don=B9t think = there is such a requirement and your suggestion makes = sense.

Thinking more about = this, I think the current text is good. Item (a) uses
48-bit MAC = addresses. So, even if we use truncating in item (b), its
collision = probability will not be any worse than item (a)'s. Note that
both = item (a) and (b) use 17-octet string representation whereas = the
per-session CNAME uses 16-octet string representation.

Let = me know if you think otherwise.

-acbegen

 

------_=_NextPart_001_01CDF339.7F550B53-- From magnus.westerlund@ericsson.com Tue Jan 15 08:54:22 2013 Return-Path: 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 2B05821F84CC for ; Tue, 15 Jan 2013 08:54:22 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -105.949 X-Spam-Level: X-Spam-Status: No, score=-105.949 tagged_above=-999 required=5 tests=[AWL=0.300, BAYES_00=-2.599, HELO_EQ_SE=0.35, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zkcFjYXMlV9e for ; Tue, 15 Jan 2013 08:54:21 -0800 (PST) Received: from mailgw1.ericsson.se (mailgw1.ericsson.se [193.180.251.45]) by ietfa.amsl.com (Postfix) with ESMTP id 21AA321F85C2 for ; Tue, 15 Jan 2013 08:54:20 -0800 (PST) X-AuditID: c1b4fb2d-b7f316d0000028db-bd-50f589bc1f6f Received: from esessmw0197.eemea.ericsson.se (Unknown_Domain [153.88.253.124]) by mailgw1.ericsson.se (Symantec Mail Security) with SMTP id 0E.DD.10459.CB985F05; Tue, 15 Jan 2013 17:54:20 +0100 (CET) Received: from [127.0.0.1] (153.88.115.8) by esessmw0197.eemea.ericsson.se (153.88.115.88) with Microsoft SMTP Server id 8.3.279.1; Tue, 15 Jan 2013 17:54:19 +0100 Message-ID: <50F589BB.5010709@ericsson.com> Date: Tue, 15 Jan 2013 17:54:19 +0100 From: Magnus Westerlund User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 To: avt@ietf.org References: <20130111132451.A8C86B1E002@rfc-editor.org> In-Reply-To: <20130111132451.A8C86B1E002@rfc-editor.org> X-Enigmail-Version: 1.5 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrKJMWRmVeSWpSXmKPExsUyM+Jvje6ezq8BBu//8Vu87FnJ7sDosWTJ T6YAxigum5TUnMyy1CJ9uwSujJZ/YQVfJCvWvl/C0sB4V6SLkZNDQsBEYtm/7ewQtpjEhXvr 2boYuTiEBE4yStw9e4IRJCEksJxR4up6HxCbV0BbYtvthUANHBwsAqoSv2axgoTZBCwkbv5o ZAOxRQWCJTYcXMUEUS4ocXLmExYQW0RAQGLF9r8sIK3CAo4S8ztUQUwhAXOJ3peZIBWcQFNO X74PNlxCQFxizRsOkDCzgJ7ElKstjBC2vETz1tnMEHdpSzQ0dbBOYBSchWTXLCQts5C0LGBk XsXInpuYmZNebriJERh0B7f81t3BeOqcyCFGaQ4WJXHeMNcLAUIC6YklqdmpqQWpRfFFpTmp xYcYmTg4pRoYA85J/Pl7LcfSuVPq1fWzPTeECqc5Tj1/NX7bw5jrmzcGPb1ooPZNcG5Jw7wI 4XdzTUOO/fVbu+n3aduYfSbK0q08CrJvF5xsen+1sfDtfJn+X+oWr0/GPVfN9LorPW2jfFvq 1wyLF378ScseaRveZ/7iNLuDObzj2oHE2fO+H5K1tpl4zljcW4mlOCPRUIu5qDgRAK2ghugI AgAA Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Jan 2013 16:54:22 -0000 Hi, (As Individual) Are we certain that the RTP payload format will never be sent over two different but linked SSRCs to the original audio. There is such a use case (See RFC 3388) where DTMF and original audio are sent in two different RTP sessions and thus with different SSRCs (although, they could have the same number for binding reasons). I fear the proposed corrected text is to restrictive. Cheers Magnus On 2013-01-11 14:24, RFC Errata System wrote: > > The following errata report has been submitted for RFC4733, > "RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals". > > -------------------------------------- > You may review the report below and at: > http://www.rfc-editor.org/errata_search.php?rfc=4733&eid=3451 > > -------------------------------------- > Type: Technical > Reported by: Xavier Marjou > > Section: 2.1 > > Original Text > ------------- > Named telephone events are carried as part of the audio stream and > MUST use the same sequence number and timestamp base as the regular > audio channel to simplify the generation of audio waveforms at a > gateway. > > Corrected Text > -------------- > Named telephone events are carried as part of the audio stream and > MUST use the same SSRC (therefore the same timing and sequence > number space) and the same timestamp clock rate as the regular > audio channel to simplify the generation of audio waveforms at a > gateway. > > Notes > ----- > RFC4733 was written in a way to avoid the multiple clock-rate problem by mandating the use of the same SSRC for DTMF and audio. However it's not explicitly written, which brings an ambiguity. It was commented that RFC4733 needs to be updated. (c.f. http://tools.ietf.org/wg/avtext/minutes?item=minutes-85-avtext.html) > > Instructions: > ------------- > This errata 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. > > -------------------------------------- > RFC4733 (draft-ietf-avt-rfc2833bis-15) > -------------------------------------- > Title : RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals > Publication Date : December 2006 > Author(s) : H. Schulzrinne, T. Taylor > Category : PROPOSED STANDARD > Source : Audio/Video Transport > Area : Real-time Applications and Infrastructure > Stream : IETF > Verifying Party : IESG > _______________________________________________ > Audio/Video Transport Core Maintenance > avt@ietf.org > https://www.ietf.org/mailman/listinfo/avt > -- Magnus Westerlund ---------------------------------------------------------------------- Multimedia Technologies, Ericsson Research EAB/TVM ---------------------------------------------------------------------- Ericsson AB | Phone +46 10 7148287 Färögatan 6 | Mobile +46 73 0949079 SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com ---------------------------------------------------------------------- From petithug@acm.org Wed Jan 16 08:42:21 2013 Return-Path: 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 8820221F8B02 for ; Wed, 16 Jan 2013 08:42:21 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.514 X-Spam-Level: X-Spam-Status: No, score=-102.514 tagged_above=-999 required=5 tests=[AWL=0.086, BAYES_00=-2.599, NO_RELAYS=-0.001, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8mT0TmREODQ2 for ; Wed, 16 Jan 2013 08:42:20 -0800 (PST) Received: from implementers.org (implementers.org [IPv6:2604:3400:dc1:41:216:3eff:fe5b:8240]) by ietfa.amsl.com (Postfix) with ESMTP id 619DC21F8A06 for ; Wed, 16 Jan 2013 08:42:20 -0800 (PST) Received: from [IPv6:2601:9:4b80:32:79f6:32e7:2fa6:541a] (unknown [IPv6:2601:9:4b80:32:79f6:32e7:2fa6:541a]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client CN "Marc Petit-Huguenin", Issuer "implementers.org" (verified OK)) by implementers.org (Postfix) with ESMTPS id 62D69200D1; Wed, 16 Jan 2013 16:42:18 +0000 (UTC) Message-ID: <50F6D876.9000608@acm.org> Date: Wed, 16 Jan 2013 08:42:30 -0800 From: Marc Petit-Huguenin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130116 Icedove/10.0.12 MIME-Version: 1.0 To: Tom Taylor References: <20130111132451.A8C86B1E002@rfc-editor.org> <50F35A96.1010407@gmail.com> In-Reply-To: <50F35A96.1010407@gmail.com> X-Enigmail-Version: 1.4.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: schulzrinne@cs.columbia.edu, xavier.marjou@orange.com, avt@ietf.org, even.roni@huawei.com Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jan 2013 16:42:21 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 01/13/2013 05:08 PM, Tom Taylor wrote: > Before accepting this report I would want to know the consensus view of > the meaning of "same timestamp base". The problem was raised in the > discussion of draft-ietf-avtext-multiple-clock-rates. My understanding of > "timestamp base" is that it defines the time units in which the timestamp > is expressed (usually some small fraction of a second) for all payloads > using the same SSRC. The fact that the above-mentioned draft was accepted > as a WG document suggests that my understanding is wrong. Perhaps someone > else can comment. Unfortunately "timestamp base" is not defined in RFC 4733 nor used in RFC 3550. Note that RFC 3550 uses "clock frequency", media clock rate", timestamp unit", timestamp frequency", and "RTP timestamp clock rate" as synonymous for "clock rate". Reading it out of context, I immediately thought that it meant the same than "random offset". RFC 3550 does not use the word base to refer to the random offset of timestamp, but use base_seq to refer to the random offset of the sequence number. So because of this, I support an errata that make clear that "timestamp base" means "timestamp clock rate". > > On 11/01/2013 8:24 AM, RFC Errata System wrote: >> >> The following errata report has been submitted for RFC4733, "RTP Payload >> for DTMF Digits, Telephony Tones, and Telephony Signals". >> >> -------------------------------------- You may review the report below >> and at: http://www.rfc-editor.org/errata_search.php?rfc=4733&eid=3451 >> >> -------------------------------------- Type: Technical Reported by: >> Xavier Marjou >> >> Section: 2.1 >> >> Original Text ------------- Named telephone events are carried as part of >> the audio stream and MUST use the same sequence number and timestamp base >> as the regular audio channel to simplify the generation of audio >> waveforms at a gateway. >> >> Corrected Text -------------- Named telephone events are carried as part >> of the audio stream and MUST use the same SSRC (therefore the same timing >> and sequence number space) and the same timestamp clock rate as the >> regular audio channel to simplify the generation of audio waveforms at a >> gateway. >> >> Notes ----- RFC4733 was written in a way to avoid the multiple clock-rate >> problem by mandating the use of the same SSRC for DTMF and audio. However >> it's not explicitly written, which brings an ambiguity. It was commented >> that RFC4733 needs to be updated. (c.f. >> http://tools.ietf.org/wg/avtext/minutes?item=minutes-85-avtext.html) >> >> Instructions: ------------- This errata 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. >> >> -------------------------------------- RFC4733 >> (draft-ietf-avt-rfc2833bis-15) -------------------------------------- >> Title : RTP Payload for DTMF Digits, Telephony Tones, and >> Telephony Signals Publication Date : December 2006 Author(s) >> : H. Schulzrinne, T. Taylor Category : PROPOSED STANDARD >> Source : Audio/Video Transport Area : >> Real-time Applications and Infrastructure Stream : IETF >> Verifying Party : IESG >> _______________________________________________ - -- Marc Petit-Huguenin Email: marc@petit-huguenin.org Blog: http://blog.marc.petit-huguenin.org Profile: http://www.linkedin.com/in/petithug -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBCAAGBQJQ9th1AAoJECnERZXWan7EqkAP/1zgczAt5RWdMImtg65xyF8k q8CkeXfdaFb/c/Zxz8pWRtw7pYoGBiY46tIj+2+ES0bx7BWaA3WUpmcswIsxt4LR dVNO6pK1eFMz+dm3S7jUGptQxTfX3QAf4D9y7Czy2d45lt9EYWlkE2TESs1J5f61 UWZ4jaqoMTu/PG/AuQaUdYHYGi+s6VUsVsIAHxr108u3CSgL1tG9lgrqrGYb3YUc J6ulAJFoi5AXcchBHdmzGy3qgCPNx4Don45nkhb03G8KrUK5ag5PIDgeoV1/V4Ca 0OTgedighdCb7bRM+5k0KM+VtAf2cLvMCbXocM4c5uIwVdxS0j+Dcknx3wNg4meF Xl3N1i8FXscIOLVPB3Zr+cAp1oR5bLU79Hr5AxTGM0bVFCikQ7ZwydOJ8x3fo7/F 3gZcsI6QNXoAeQJ/mZT14bAzvW2xlSV3NlXoKEKnLj78OT8BH8HyIcmtJjDQ5J8r MNvnk8kuTkVMEfUyicVH1xyby6fkfK8BAZCw81nmaX+5JP90Hf6snKuFlMWUPxj6 fxkWMcHr7FeO5A2y5yV4YMMUZ63/SnoRU9M72Z+NQD+eAbh6CiUayN+JIy7Qlr6M 0rTbvyOqEUS2oTihjsA3/8tDey46hfqAm1Onz1pM2mevKe1DPJQcghp4shHR9kMY WL1ThAootrod7o8AR/s5 =PVll -----END PGP SIGNATURE----- From petithug@acm.org Wed Jan 16 08:45:18 2013 Return-Path: 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 8057B21F8AE7 for ; Wed, 16 Jan 2013 08:45:18 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.521 X-Spam-Level: X-Spam-Status: No, score=-102.521 tagged_above=-999 required=5 tests=[AWL=0.079, BAYES_00=-2.599, NO_RELAYS=-0.001, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vO66THSBDIi4 for ; Wed, 16 Jan 2013 08:45:17 -0800 (PST) Received: from implementers.org (implementers.org [IPv6:2604:3400:dc1:41:216:3eff:fe5b:8240]) by ietfa.amsl.com (Postfix) with ESMTP id 4662321F86AE for ; Wed, 16 Jan 2013 08:45:17 -0800 (PST) Received: from [IPv6:2601:9:4b80:32:79f6:32e7:2fa6:541a] (unknown [IPv6:2601:9:4b80:32:79f6:32e7:2fa6:541a]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client CN "Marc Petit-Huguenin", Issuer "implementers.org" (verified OK)) by implementers.org (Postfix) with ESMTPS id 420B6204BE; Wed, 16 Jan 2013 16:45:16 +0000 (UTC) Message-ID: <50F6D929.2090406@acm.org> Date: Wed, 16 Jan 2013 08:45:29 -0800 From: Marc Petit-Huguenin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130116 Icedove/10.0.12 MIME-Version: 1.0 To: Magnus Westerlund References: <20130111132451.A8C86B1E002@rfc-editor.org> <50F589BB.5010709@ericsson.com> In-Reply-To: <50F589BB.5010709@ericsson.com> X-Enigmail-Version: 1.4.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: avt@ietf.org Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jan 2013 16:45:18 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 01/15/2013 08:54 AM, Magnus Westerlund wrote: > Hi, > > (As Individual) > > Are we certain that the RTP payload format will never be sent over two > different but linked SSRCs to the original audio. There is such a use case > (See RFC 3388) where DTMF and original audio are sent in two different RTP > sessions and thus with different SSRCs (although, they could have the same > number for binding reasons). I fear the proposed corrected text is to > restrictive. Right. I propose this: Named telephone events are carried as part of the audio stream and if they use the same SSRC (therefore the same timing and sequence number space), they MUST use the same timestamp clock rate as the regular audio channel to simplify the generation of audio waveforms at a gateway. > > Cheers > > Magnus > > On 2013-01-11 14:24, RFC Errata System wrote: >> >> The following errata report has been submitted for RFC4733, "RTP Payload >> for DTMF Digits, Telephony Tones, and Telephony Signals". >> >> -------------------------------------- You may review the report below >> and at: http://www.rfc-editor.org/errata_search.php?rfc=4733&eid=3451 >> >> -------------------------------------- Type: Technical Reported by: >> Xavier Marjou >> >> Section: 2.1 >> >> Original Text ------------- Named telephone events are carried as part of >> the audio stream and MUST use the same sequence number and timestamp base >> as the regular audio channel to simplify the generation of audio >> waveforms at a gateway. >> >> Corrected Text -------------- Named telephone events are carried as part >> of the audio stream and MUST use the same SSRC (therefore the same timing >> and sequence number space) and the same timestamp clock rate as the >> regular audio channel to simplify the generation of audio waveforms at a >> gateway. >> >> Notes ----- RFC4733 was written in a way to avoid the multiple clock-rate >> problem by mandating the use of the same SSRC for DTMF and audio. However >> it's not explicitly written, which brings an ambiguity. It was commented >> that RFC4733 needs to be updated. (c.f. >> http://tools.ietf.org/wg/avtext/minutes?item=minutes-85-avtext.html) >> >> Instructions: ------------- This errata 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. >> >> -------------------------------------- RFC4733 >> (draft-ietf-avt-rfc2833bis-15) -------------------------------------- >> Title : RTP Payload for DTMF Digits, Telephony Tones, and >> Telephony Signals Publication Date : December 2006 Author(s) >> : H. Schulzrinne, T. Taylor Category : PROPOSED STANDARD >> Source : Audio/Video Transport Area : >> Real-time Applications and Infrastructure Stream : IETF >> Verifying Party : IESG >> _______________________________________________ Audio/Video Transport >> Core Maintenance avt@ietf.org https://www.ietf.org/mailman/listinfo/avt >> > > - -- Marc Petit-Huguenin Email: marc@petit-huguenin.org Blog: http://blog.marc.petit-huguenin.org Profile: http://www.linkedin.com/in/petithug -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBCAAGBQJQ9tkkAAoJECnERZXWan7E3koP/0AqEe+Iuy8RLOmU0jls4+fv kMZdDsuI6MtHiAUhOZ+DLuKww5pt6ubskiILud6GlqQPwFf3kEAzYXeYJUmX7bJ5 r4BSqkKwQsIf1OUR6V4a0jpy3Ydy6FJNqe0CS8dQPrD4otLnT6AjFW/StZVbhBzT wdmj3gfS4YQY9FkI3eHQxXEIAsqT53iuI5m6x9+5BFMU47M5Xh4WM49RdHwZP0uO Mqo3CYjBe7I1bBo7y9V+uaddQj+nW5MeNoAbXl9hKZCtZOL2TRq8M2OQpVqnDsNx LmPtxcSud9fW07GxWlmJgQBiV2C+LVj4TSjXeIvZozwceRIg304yLpJLfe4hkulK /Qahsz1VIGXR2ddacdYTIZtPCP+uRbpFal+zoTlbscdRTlrx5xgpvY/x2saqj79m 31QJ6WrN1cRW7fJU3i6NQvM+UB0+v3PVnu4WpNaa5o+yoVU1UItKXDlFTh+hUbjQ sfKFbcsZcJERCHH4Wc58zCbj5/O2iXbwPzmnfe5seFrxxxO5U+RNu/yZO0GwWmAo qx/V2Z0VoSgVHip0LbtgJeTkIOt3V791sFZt61H1D2sbofTvhdLrAsrRvaqPuGId C3tX6YBEhrBk19rzDMQmInXHCf1wL17wc6Oojy8Lt/oCO9rLVCTvOcNPK5TDG1qc fagpbtxylCBGa1T/6UNy =FMtx -----END PGP SIGNATURE----- From magnus.westerlund@ericsson.com Wed Jan 16 08:54:50 2013 Return-Path: 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 161A421F8B14 for ; Wed, 16 Jan 2013 08:54:50 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.129 X-Spam-Level: X-Spam-Status: No, score=-106.129 tagged_above=-999 required=5 tests=[AWL=0.120, BAYES_00=-2.599, HELO_EQ_SE=0.35, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id P9lKq1Uf1wfU for ; Wed, 16 Jan 2013 08:54:49 -0800 (PST) Received: from mailgw7.ericsson.se (mailgw7.ericsson.se [193.180.251.48]) by ietfa.amsl.com (Postfix) with ESMTP id 6B3A121F8B0F for ; Wed, 16 Jan 2013 08:54:41 -0800 (PST) X-AuditID: c1b4fb30-b7f0d6d000007e61-de-50f6db50755d Received: from esessmw0184.eemea.ericsson.se (Unknown_Domain [153.88.253.124]) by mailgw7.ericsson.se (Symantec Mail Security) with SMTP id 09.E5.32353.05BD6F05; Wed, 16 Jan 2013 17:54:40 +0100 (CET) Received: from [127.0.0.1] (153.88.115.8) by esessmw0184.eemea.ericsson.se (153.88.115.82) with Microsoft SMTP Server id 8.3.279.1; Wed, 16 Jan 2013 17:54:40 +0100 Message-ID: <50F6DB4F.6050903@ericsson.com> Date: Wed, 16 Jan 2013 17:54:39 +0100 From: Magnus Westerlund User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 To: Marc Petit-Huguenin References: <20130111132451.A8C86B1E002@rfc-editor.org> <50F589BB.5010709@ericsson.com> <50F6D929.2090406@acm.org> In-Reply-To: <50F6D929.2090406@acm.org> X-Enigmail-Version: 1.5 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuplluLIzCtJLcpLzFFi42KZGfG3Rjfg9rcAgyc9GhYve1ayW1xYc5fJ gcnj8hVvjyVLfjIFMEVx2aSk5mSWpRbp2yVwZex8tZ+14CVXxfbNL5kbGG9xdDFycEgImEj0 7ebqYuQEMsUkLtxbz9bFyMUhJHCSUaJvxXUWCGc5o8SFu/OYQKp4BbQlVt+awQhiswioSjya dBgsziZgIXHzRyMbiC0qECyx4eAqqHpBiZMzn7CA2CICWhL7p1xnBrGZBQQk/q9tZgc5QljA UWJ+hypIWEigSOLn2iNg5ZwC6hK3f55igrhTXGLNGw6ITk2J1u2/2SFseYnmrbOZIVq1JRqa OlgnMArNQrJ4FpKWWUhaFjAyr2Jkz03MzEkvN9/ECAzSg1t+G+xg3HRf7BCjNAeLkjhvuOuF ACGB9MSS1OzU1ILUovii0pzU4kOMTBycUg2MGcdXWyYYVK63PaDasyevNzI78UEH/zFZiyR2 575jnU/93c1DltcZxJYybQz89f6Eo6uzk8CMbaZT+AqNBSfbXL+V6r0/+CHnDANt9Xi/zy+P 6jydo70zsYXd77NtsHfm8vDrqxxWRaSErrF++47niWekjtDhq2zbNNZHPTxl+LNcXTzydrcS S3FGoqEWc1FxIgAKQooaIAIAAA== Cc: avt@ietf.org Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jan 2013 16:54:50 -0000 On 2013-01-16 17:45, Marc Petit-Huguenin wrote: > On 01/15/2013 08:54 AM, Magnus Westerlund wrote: >> Hi, > >> (As Individual) > >> Are we certain that the RTP payload format will never be sent >> over two different but linked SSRCs to the original audio. There >> is such a use case (See RFC 3388) where DTMF and original audio >> are sent in two different RTP sessions and thus with different >> SSRCs (although, they could have the same number for binding >> reasons). I fear the proposed corrected text is to restrictive. > > Right. I propose this: > > Named telephone events are carried as part of the audio stream and > if they use the same SSRC (therefore the same timing and sequence > number space), they MUST use the same timestamp clock rate as the > regular audio channel to simplify the generation of audio waveforms > at a gateway. > I think this is much better. Cheers Magnus Westerlund ---------------------------------------------------------------------- Multimedia Technologies, Ericsson Research EAB/TVM ---------------------------------------------------------------------- Ericsson AB | Phone +46 10 7148287 Färögatan 6 | Mobile +46 73 0949079 SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com ---------------------------------------------------------------------- From aallison@nab.org Wed Jan 16 09:13:40 2013 Return-Path: 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 E421E21F86D3 for ; Wed, 16 Jan 2013 09:13:40 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.599 X-Spam-Level: X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[AWL=0.000, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7ku--Yh9uuMM for ; Wed, 16 Jan 2013 09:13:40 -0800 (PST) Received: from p01c11o148.mxlogic.net (p01c11o148.mxlogic.net [208.65.144.71]) by ietfa.amsl.com (Postfix) with ESMTP id 20A6C21F8AB0 for ; Wed, 16 Jan 2013 09:13:39 -0800 (PST) Received: from unknown [208.97.234.91] (EHLO NABSREX027324.NAB.ORG) by p01c11o148.mxlogic.net(mxl_mta-6.16.0-0) with ESMTP id 2cfd6f05.0.98453.00-268.251101.p01c11o148.mxlogic.net (envelope-from ); Wed, 16 Jan 2013 10:13:39 -0700 (MST) X-MXL-Hash: 50f6dfc32d64ee39-f5af40bd637e7248d70791c627325919d62f6d57 X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Date: Wed, 16 Jan 2013 12:13:27 -0500 Message-ID: <71C9EC0544D1F64D8B7D91EDCC6220200D087451@NABSREX027324.NAB.ORG> In-Reply-To: <50F6D929.2090406@acm.org> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) Thread-Index: Ac30CNxktEZf+l30QnafUCDZtoWumgAAyILw References: <20130111132451.A8C86B1E002@rfc-editor.org><50F589BB.5010709@ericsson.com> <50F6D929.2090406@acm.org> From: "Art Allison" To: X-AnalysisOut: [v=2.0 cv=FrOyCRXq c=1 sm=1 a=tFGTPFZixTZ3yCXJchW01Q==:17 a] X-AnalysisOut: [=oHOBHFV2aHAA:10 a=BvPfnLs-15kA:10 a=BLceEmwcHowA:10 a=8nJ] X-AnalysisOut: [EP1OIZ-IA:10 a=g0FpLpFZAAAA:8 a=6CjRojJJfT0A:10 a=48vgC7mU] X-AnalysisOut: [AAAA:8 a=BqEg4_3jAAAA:8 a=z9tbli-vAAAA:8 a=jvcXq-UlAAAA:8 ] X-AnalysisOut: [a=jU4qhlNgAAAA:8 a=MPIb9N_B8eXkAx9-8lkA:9 a=wPNLvfGTeEIA:1] X-AnalysisOut: [0 a=8SgyfJxrfqYA:10 a=-9UqKSle32gA:10 a=nxvUgxnZw2cA:10 a=] X-AnalysisOut: [mhd2NDuUijAA:10 a=Qd0007q6B0YA:10 a=lZB815dzVvQA:10 a=oAXR] X-AnalysisOut: [_kdF8uMA:10 a=scxRXJgP-wcA:10 a=VE3WPqR0TXrV6GPW:21 a=3F7W] X-AnalysisOut: [V4hvX-Hx_Bg-:21] X-Spam: [F=0.2000000000; CM=0.500; S=0.200(2010122901)] X-MAIL-FROM: X-SOURCE-IP: [208.97.234.91] Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jan 2013 17:13:41 -0000 It seems to me that the conditional mandatory sentence is clearer if the = (informative) reason is separated to prevent any misread of the 'MUST' = as appling only to streams that pass through a gateway. As in RTR: " Named telephone events are carried as part of the audio stream and if = they use the same SSRC (therefore the same timing and sequence number = space), they MUST use the same timestamp clock rate as the regular audio = channel. Note: One benefit of this requirement is simplification of the = generation of audio waveforms at a gateway."=20 Regards,=20 Art Art Allison=20 Senior Director Advanced Engineering, Technology=20 National Association of Broadcasters 1771 N Street NW Washington, DC 20036 Phone=A0 202 429 5418 Fax=A0 202 775 4981=20 www.nab.org=20 Advocacy =A0Education=A0 Innovation=20 -----Original Message----- From: avt-bounces@ietf.org [mailto:avt-bounces@ietf.org] On Behalf Of = Marc Petit-Huguenin Sent: Wednesday, January 16, 2013 11:45 AM To: Magnus Westerlund Cc: avt@ietf.org Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 01/15/2013 08:54 AM, Magnus Westerlund wrote: > Hi, >=20 > (As Individual) >=20 > Are we certain that the RTP payload format will never be sent over two = > different but linked SSRCs to the original audio. There is such a use=20 > case (See RFC 3388) where DTMF and original audio are sent in two=20 > different RTP sessions and thus with different SSRCs (although, they=20 > could have the same number for binding reasons). I fear the proposed=20 > corrected text is to restrictive. Right. I propose this: Named telephone events are carried as part of the audio stream and if = they use the same SSRC (therefore the same timing and sequence number = space), they MUST use the same timestamp clock rate as the regular audio = channel to simplify the generation of audio waveforms at a gateway. >=20 > Cheers >=20 > Magnus >=20 > On 2013-01-11 14:24, RFC Errata System wrote: >>=20 >> The following errata report has been submitted for RFC4733, "RTP=20 >> Payload for DTMF Digits, Telephony Tones, and Telephony Signals". >>=20 >> -------------------------------------- You may review the report=20 >> below and at:=20 >> http://www.rfc-editor.org/errata_search.php?rfc=3D4733&eid=3D3451 >>=20 >> -------------------------------------- Type: Technical Reported by: >> Xavier Marjou >>=20 >> Section: 2.1 >>=20 >> Original Text ------------- Named telephone events are carried as=20 >> part of the audio stream and MUST use the same sequence number and=20 >> timestamp base as the regular audio channel to simplify the=20 >> generation of audio waveforms at a gateway. >>=20 >> Corrected Text -------------- Named telephone events are carried as=20 >> part of the audio stream and MUST use the same SSRC (therefore the=20 >> same timing and sequence number space) and the same timestamp clock=20 >> rate as the regular audio channel to simplify the generation of audio = >> waveforms at a gateway. >>=20 >> Notes ----- RFC4733 was written in a way to avoid the multiple=20 >> clock-rate problem by mandating the use of the same SSRC for DTMF and = >> audio. However it's not explicitly written, which brings an=20 >> ambiguity. It was commented that RFC4733 needs to be updated. (c.f. >> = http://tools.ietf.org/wg/avtext/minutes?item=3Dminutes-85-avtext.html) >>=20 >> Instructions: ------------- This errata is currently posted as=20 >> "Reported". If necessary, please use "Reply All" to discuss whether=20 >> it should be verified or rejected. When a decision is reached, the=20 >> verifying party (IESG) can log in to change the status and edit the=20 >> report, if necessary. >>=20 >> -------------------------------------- RFC4733 >> (draft-ietf-avt-rfc2833bis-15) -------------------------------------- = >> Title : RTP Payload for DTMF Digits, Telephony Tones, = and >> Telephony Signals Publication Date : December 2006 Author(s) >> : H. Schulzrinne, T. Taylor Category : PROPOSED STANDARD=20 >> Source : Audio/Video Transport Area : >> Real-time Applications and Infrastructure Stream : IETF=20 >> Verifying Party : IESG=20 >> _______________________________________________ Audio/Video Transport = >> Core Maintenance avt@ietf.org=20 >> https://www.ietf.org/mailman/listinfo/avt >>=20 >=20 >=20 - -- Marc Petit-Huguenin Email: marc@petit-huguenin.org Blog: http://blog.marc.petit-huguenin.org Profile: http://www.linkedin.com/in/petithug -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBCAAGBQJQ9tkkAAoJECnERZXWan7E3koP/0AqEe+Iuy8RLOmU0jls4+fv kMZdDsuI6MtHiAUhOZ+DLuKww5pt6ubskiILud6GlqQPwFf3kEAzYXeYJUmX7bJ5 r4BSqkKwQsIf1OUR6V4a0jpy3Ydy6FJNqe0CS8dQPrD4otLnT6AjFW/StZVbhBzT wdmj3gfS4YQY9FkI3eHQxXEIAsqT53iuI5m6x9+5BFMU47M5Xh4WM49RdHwZP0uO Mqo3CYjBe7I1bBo7y9V+uaddQj+nW5MeNoAbXl9hKZCtZOL2TRq8M2OQpVqnDsNx LmPtxcSud9fW07GxWlmJgQBiV2C+LVj4TSjXeIvZozwceRIg304yLpJLfe4hkulK /Qahsz1VIGXR2ddacdYTIZtPCP+uRbpFal+zoTlbscdRTlrx5xgpvY/x2saqj79m 31QJ6WrN1cRW7fJU3i6NQvM+UB0+v3PVnu4WpNaa5o+yoVU1UItKXDlFTh+hUbjQ sfKFbcsZcJERCHH4Wc58zCbj5/O2iXbwPzmnfe5seFrxxxO5U+RNu/yZO0GwWmAo qx/V2Z0VoSgVHip0LbtgJeTkIOt3V791sFZt61H1D2sbofTvhdLrAsrRvaqPuGId C3tX6YBEhrBk19rzDMQmInXHCf1wL17wc6Oojy8Lt/oCO9rLVCTvOcNPK5TDG1qc fagpbtxylCBGa1T/6UNy =3DFMtx -----END PGP SIGNATURE----- _______________________________________________ Audio/Video Transport Core Maintenance avt@ietf.org https://www.ietf.org/mailman/listinfo/avt From tavares@fe.up.pt Wed Jan 16 05:13:41 2013 Return-Path: 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 E55DC21F87B2 for ; Wed, 16 Jan 2013 05:13:41 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -7.473 X-Spam-Level: X-Spam-Status: No, score=-7.473 tagged_above=-999 required=5 tests=[AWL=0.825, BAYES_00=-2.599, GB_I_INVITATION=-2, HTML_MESSAGE=0.001, MIME_8BIT_HEADER=0.3, RCVD_IN_DNSWL_MED=-4] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id fyjyZX7v2Vu1 for ; Wed, 16 Jan 2013 05:13:40 -0800 (PST) Received: from smtp.fe.up.pt (smtp.fe.up.pt [193.136.28.30]) by ietfa.amsl.com (Postfix) with ESMTP id EF7A321F8443 for ; Wed, 16 Jan 2013 05:13:39 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by smtp.fe.up.pt (Postfix) with ESMTP id 73ADF611B for ; Wed, 16 Jan 2013 13:13:38 +0000 (WET) Received: from smtp.fe.up.pt ([127.0.0.1]) by localhost (smtp2.fe.up.pt [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Vo2s9dGJK-oY for ; Wed, 16 Jan 2013 13:13:38 +0000 (WET) Received: from [192.168.131.50] (bauhaus.fe.up.pt [192.168.131.50]) by smtp.fe.up.pt (Postfix) with SMTP id 240FF6146 for ; Wed, 16 Jan 2013 13:13:38 +0000 (WET) Message-Id: Mime-Version: 1.0 From: =?iso-8859-1?Q?Jo=E3o_Manuel_R._S._Tavares?= To: "Avt" Date: Wed, 16 Jan 2013 13:13:35 GMT X-Bounce-Tracking-Info: Content-type: multipart/alternative; Boundary="--=BOUNDARY_1161313_FAEG_SODA_UPHT_XAQA" X-Mailman-Approved-At: Wed, 16 Jan 2013 10:23:14 -0800 Subject: [AVTCORE] New T&F Int. Journal "Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visualization": INVITATION X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jan 2013 13:13:42 -0000 Esta mensagem está em formato MIME. Uma vez que seu cliente de e-mail não entendeeste formato, algumas partes ou toda a mensagem podem ser ilegíveis. ----=BOUNDARY_1161313_FAEG_SODA_UPHT_XAQA Content-type: text/plain; charset=iso-8859-1; format=flowed Content-transfer-encoding: quoted-printable ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ------------ New International Journal: Computer Methods in Biomechanics and Biomedical = Engineering: Imaging & Visualization Publisher: Taylor & Francis Group, ISSN: 2168-1163 (print) - 2168-1171 (onl= ine) Editor-in-Chief: Prof=2E Jo=E3o Manuel R=2E S=2E Tavares - University of Po= rto, Portugal Journal webpage: http://www=2Etandfonline=2Ecom/tciv Journal in Facebook: http://www=2Efacebook=2Ecom/Cmbbe=2EImage=2EVisualizat= ion Journal in LinkedIn: http://www=2Elinkedin=2Ecom/groups?home=3D&gid=3D46866= 12&trk=3Danet_ug_hm ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ------------ Dear Colleague, I am pleased to invite you to submit your next manuscript to the New Intern= ational Journal "Computer Methods in Biomechanics and Biomedical Engineerin= g: Imaging & Visualization" (CMBBE: Imaging & Visualization) published by T= aylor & Francis Group (http://www=2Etandfonline=2Ecom/tciv)=2E Your contribution will be welcome=2E Yours Sincerely, Jo=E3o Manuel R=2E S=2E Tavares (Editor-in-chief of CMBBE: Imaging & Visualization) AIMS & SCOPE Computer Methods in Biomechanics and Biomedical Engineering: Imaging & Visu= alization (http://www=2Etandfonline=2Ecom/tciv) is an international journal= whose main goals are to promote solutions of excellence for both imaging a= nd visualization of biomedical data, and establish links among researchers,= clinicians, the medical technology sector and end-users=2E The journal provides a comprehensive forum for discussion of the current st= ate-of-the-art in the scientific fields related to imaging and visualizatio= n, including, but not limited to: - Applications of Imaging and Visualization - Computational Bio- imaging and Visualization - Computer Aided Diagnosis, Surgery, Therapy and Treatment - Data Processing and Analysis - Devices for Imaging and Visualization - Grid and High Performance Computing for Imaging and Visualization - Human Perception in Imaging and Visualization - Image Processing and Analysis - Image-based Geometric Modelling - Imaging and Visualization in Biomechanics - Imaging and Visualization in Biomedical Engineering - Medical Clinics - Medical Imaging and Visualization - Multi-modal Imaging and Visualization - Multiscale Imaging and Visualization - Scientific Visualization - Software Development for Imaging and Visualization - Telemedicine Systems and Applications - Virtual Reality - Visual Data Mining and Knowledge Discovery The journal welcomes contributions covering theories, methodologies, device= s and applications of imaging and visualization and assures a fast publishi= ng process of original research manuscripts, position manuscripts expressin= g stimulating viewpoints and philosophies, survey manuscripts, technical no= tes and short communications, in regular and special issues=2E BOARDS Advisory Board - Chandrajit Bajaj, University of Texas at Austin, USA - Chris Johnson, University of Utah, USA - Demetri Terzopoulos, University of California, Los Angeles, USA - John Middleton, Cardiff University, UK - Jos Vander Sloten, Katholieke Universiteit Leuven, Belgium - Shuo Li, University of Western Ontario, Canada - Thomas J=2E R=2E Hughes, University of Texas at Austin, USA Associated Editors - USA and Canada: Yongjie Zhang, Carnegie Mellon University, USA - Asia: Jun Zhao, Shanghai Jiao Tong University, China - Europe: Daniela Iacoviello, Universit=E0 degli Studi di Roma "La Sapienza= ", Italy - Rest of the world: Zeyun Yu, University of Wisconsin at Milwaukee, USA Editorial Board - Alejandro Frangi, University of Sheffield, Sheffield, UK - Alexandre Cunha, California Institute of Technology, USA - Alexandre X=2E Falc=E3o, Universidade Estadual de Campinas, Brazil - Bernard Gosselin, University of Mons, Belgium - Christos E=2E Constantinou, Stanford University, USA - Constantine Kotropoulos, Aristotle University of Thessaloniki, Greece - Daniel Cremers, Technische Universit=E4t M=FCnchen, Germany - David Steinman, University of Toronto, Canada - Durval C=2E Costa, Funda=E7=E3o Champalimaud, Portugal - Eduardo Soudah, International Center for Numerical Methods in Engineering= , Spain - Fatima L=2E S=2E Nunes, Universidade de S=E3o Paulo, Brazil - Fiorella Sgallari, University of Bologna, Italy - George Bebis, University of Nevada, USA - Joachim Hornegger, Friedrich-Alexander University Erlangen-Nuremberg, Ger= many - Jo=E3o Paulo Papa, Universidade Estadual Paulista, Brazil - Jorge S=2E Marques, Instituto Superior T=E9cnico, Portugal - Khan M Iftekharuddin, Old Dominion University, USA - Laurent Cohen, Universite Paris Dauphine, France - Lionel Moisan, Universit=E9 Paris Descartes, France - Lorenzo Mannelli, University of Washington, USA - M=2E Emre Celebi, Louisiana State University in Shreveport, USA - Manuel Gonz=E1lez Hidalgo, Balearic Islands University, Spain - Marc Thiriet, Universite Pierre et Marie Curie (Paris VI), France - M=E1rio Forjaz Secca, Universidade Nova de Lisboa, Portugal - Nicolai Petkov, University of Groningen, The Netherlands - Paola Lecca, University of Trento, Italy - Paolo Di Giamberardino, Sapienza University of Rome, Italy - Valentin Brimkov, State University of New York, USA - Reneta Barneva, State University of New York Fredonia, USA - Xue-Cheng Tai, University of Bergen, Norway - Yan Nei Law, Bioinformatics Institute, Singapore INSTRUCTIONS FOR SUBMISSION: http://www=2Etandfonline=2Ecom/action/authorSu= bmission?journalCode=3Dtciv20&page=3Dinstructions For more details, you are invited to visit: http://www=2Etandfonline= =2Ecom/tciv, http://www=2Efacebook=2Ecom/Cmbbe=2EImage=2EVisualization and = http://www=2Elinkedin=2Ecom/groups?home=3D&gid=3D4686612&trk=3Danet_ug_hm --------------------------- TO UNSUBSCRIBE FROM OUR LIST AND STOP RECEIVING EMAILS FROM US, please repl= y to this email with REMOVE=2E Thank you very much=2E ----=BOUNDARY_1161313_FAEG_SODA_UPHT_XAQA Content-type: text/html; charset=iso-8859-1 Content-transfer-encoding: quoted-printable HTML Message
------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------

New International Journal: Compute= r Methods in Biomechanics and Biomedical Engineering: Imaging & Visuali= zation

Publisher: Taylor & Francis Group, ISSN: 2168-1163 (print= ) - 2168-1171 (online)

Editor-in-Chief: Prof=2E Jo=E3o Manuel R= =2E S=2E Tavares - University of Porto, Portugal

Journal webpage: http://www=2Etandfonline= =2Ecom/tciv

Journal in Facebook: http://www=2Efacebook=2Ecom/Cmbbe= =2EImage=2EVisualization
Journal in LinkedIn: http://www= =2Elinkedin=2Ecom/groups?home=3D&gid=3D4686612&trk=3Danet_ug_hm=

-------------------------------------------------------------------= ---------------------------------------------------------------------------= --------------------

Dear Colleague,

I am pleased to invite y= ou to submit your next manuscript to the New International Journal “= ;Computer Methods in Biomechanics and Biomedical Engineering: Imaging &= Visualization” (CMBBE: Imaging & Visualization) published by Tayl= or & Francis Group (http://www=2Etandfonline=2Ecom/tciv)=2E
Your contribution will = be welcome=2E

Yours Sincerely,

Jo=E3o Manuel R=2E S=2E Tavare= s
(Editor-in-chief of CMBBE: Imaging & Visualization)


AIM= S & SCOPE

Computer Methods in Biomechanics and Biomedical Engine= ering: Imaging & Visualization (http://www=2Etandfonline=2Ecom/tciv) is an international = journal whose main goals are to promote solutions of excellence for both im= aging and visualization of biomedical data, and establish links among resea= rchers, clinicians, the medical technology sector and end-users=2E
The j= ournal provides a comprehensive forum for discussion of the current state-o= f-the-art in the scientific fields related to imaging and visualization, in= cluding, but not limited to:

- Applications of Imaging and Visualiza= tion
- Computational Bio- imaging and Visualization
- Computer Aided = Diagnosis, Surgery, Therapy and Treatment
- Data Processing and Analysis=
- Devices for Imaging and Visualization
- Grid and High Performance = Computing for Imaging and Visualization
- Human Perception in Imaging an= d Visualization
- Image Processing and Analysis
- Image-based Geometr= ic Modelling
- Imaging and Visualization in Biomechanics
- Imaging an= d Visualization in Biomedical Engineering
- Medical Clinics
- Medical= Imaging and Visualization
- Multi-modal Imaging and Visualization
- = Multiscale Imaging and Visualization
- Scientific Visualization
- Sof= tware Development for Imaging and Visualization
- Telemedicine Systems a= nd Applications
- Virtual Reality
- Visual Data Mining and Knowledge = Discovery

The journal welcomes contributions covering theories, meth= odologies, devices and applications of imaging and visualization and assure= s a fast publishing process of original research manuscripts, position manu= scripts expressing stimulating viewpoints and philosophies, survey manuscri= pts, technical notes and short communications, in regular and special issue= s=2E


BOARDS

Advisory Board
- Chandrajit Bajaj, Univers= ity of Texas at Austin, USA
- Chris Johnson, University of Utah, USA- Demetri Terzopoulos, University of California, Los Angeles, USA
- Joh= n Middleton, Cardiff University, UK
- Jos Vander Sloten, Katholieke Univ= ersiteit Leuven, Belgium
- Shuo Li, University of Western Ontario, Cana= da
- Thomas J=2E R=2E Hughes, University of Texas at Austin, USA

= Associated Editors
- USA and Canada: Yongjie Zhang, Carnegie Mellon Univ= ersity, USA
- Asia: Jun Zhao, Shanghai Jiao Tong University, China
- = Europe: Daniela Iacoviello, Universit=E0 degli Studi di Roma "La Sapienza",= Italy
- Rest of the world: Zeyun Yu, University of Wisconsin at Milwauk= ee, USA

Editorial Board
- Alejandro Frangi, University of Sheffie= ld, Sheffield, UK
- Alexandre Cunha, California Institute of Technology,= USA
- Alexandre X=2E Falc=E3o, Universidade Estadual de Campinas, Braz= il
- Bernard Gosselin, University of Mons, Belgium
- Christos E= =2E Constantinou, Stanford University, USA
- Constantine Kotropoulos, Ar= istotle University of Thessaloniki, Greece
- Daniel Cremers, Technische= Universit=E4t M=FCnchen, Germany
- David Steinman, University of Toron= to, Canada
- Durval C=2E Costa, Funda=E7=E3o Champalimaud, Portugal
-= Eduardo Soudah, International Center for Numerical Methods in Engineering,= Spain
- Fatima L=2E S=2E Nunes, Universidade de S=E3o Paulo, Brazil
= - Fiorella Sgallari, University of Bologna, Italy
- George Bebis, Univer= sity of Nevada, USA
- Joachim Hornegger, Friedrich-Alexander University = Erlangen-Nuremberg, Germany
- Jo=E3o Paulo Papa, Universidade Estadual P= aulista, Brazil
- Jorge S=2E Marques, Instituto Superior T=E9cnico, Port= ugal
- Khan M Iftekharuddin, Old Dominion University, USA
- Laurent C= ohen, Universite Paris Dauphine, France
- Lionel Moisan, Universit= =E9 Paris Descartes, France
- Lorenzo Mannelli, University of Washington= , USA
- M=2E Emre Celebi, Louisiana State University in Shreveport, USA<= br>- Manuel Gonz=E1lez Hidalgo, Balearic Islands University, Spain
- Mar= c Thiriet, Universite Pierre et Marie Curie (Paris VI), France
- M= =E1rio Forjaz Secca, Universidade Nova de Lisboa, Portugal
- Nicolai Pe= tkov, University of Groningen, The Netherlands
- Paola Lecca, Universit= y of Trento, Italy
- Paolo Di Giamberardino, Sapienza University of Rome= , Italy
- Valentin Brimkov, State University of New York, USA
- Rene= ta Barneva, State University of New York Fredonia, USA
- Xue-Cheng Tai,= University of Bergen, Norway
- Yan Nei Law, Bioinformatics Institute, S= ingapore


INSTRUCTIONS FOR SUBMISSION: http://www=2Etandfonline=2Ecom/action/authorSubmission?jou= rnalCode=3Dtciv20&page=3Dinstructions


For more details, = you are invited to visit: = http://www=2Etandfonline=2Ecom/tciv, http://www=2Efacebook=2Ecom/Cmbbe= =2EImage=2EVisualization and http://www=2Elinkedin=2Ecom/gro= ups?home=3D&gid=3D4686612&trk=3Danet_ug_hm


---------= ------------------
TO UNSUBSCRIBE FROM OUR LIST AND STOP RECEIVING EMAIL= S FROM US, please reply to this email with REMOVE=2E
Thank you very much= =2E
----=BOUNDARY_1161313_FAEG_SODA_UPHT_XAQA-- From wwwrun@rfc-editor.org Wed Jan 16 12:57:04 2013 Return-Path: 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 1179B11E80F8 for ; Wed, 16 Jan 2013 12:57:04 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.425 X-Spam-Level: X-Spam-Status: No, score=-101.425 tagged_above=-999 required=5 tests=[AWL=-0.690, BAYES_00=-2.599, FRT_LOLITA1=1.865, NO_RELAYS=-0.001, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FWdnYAFWLGod for ; Wed, 16 Jan 2013 12:57:03 -0800 (PST) Received: from rfc-editor.org (rfc-editor.org [IPv6:2001:1890:123a::1:2f]) by ietfa.amsl.com (Postfix) with ESMTP id 50B1C11E80D2 for ; Wed, 16 Jan 2013 12:57:03 -0800 (PST) Received: by rfc-editor.org (Postfix, from userid 30) id 28E6DB1E002; Wed, 16 Jan 2013 12:46:14 -0800 (PST) To: adamli@hyervision.com, gonzalo.camarillo@ericsson.com, rjsparks@nostrum.com, keith.drage@alcatel-lucent.com, even.roni@huawei.com From: RFC Errata System Message-Id: <20130116204614.28E6DB1E002@rfc-editor.org> Date: Wed, 16 Jan 2013 12:46:14 -0800 (PST) Cc: adamli@hyervision.com, avt@ietf.org, rfc-editor@rfc-editor.org Subject: [AVTCORE] [Editorial Errata Reported] RFC5109 (3460) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jan 2013 20:57:04 -0000 The following errata report has been submitted for RFC5109, "RTP Payload Format for Generic Forward Error Correction". -------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=5109&eid=3460 -------------------------------------- Type: Editorial Reported by: Adam Li Section: 10.2 Original Text ------------- In Figure 12, +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |0|0|0|0|0 0 0 0|0|0 0 1 1 0 0 1|0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ .... P rec.: 0 [0 XOR 0 XOR 0 XOR 0] X rec.: 0 [0 XOR 0 XOR 0 XOR 0] CC rec.: 0 [0 XOR 0 XOR 0 XOR 0] M rec.: 0 [1 XOR 0 XOR 1 XOR 0] Corrected Text -------------- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |0|0|0|0|0 0 0 0|1|0 0 1 1 0 0 1|0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ .... P rec.: 0 [0 XOR 0] X rec.: 0 [0 XOR 0] CC rec.: 0 [0 XOR 0] M rec.: 1 [1 XOR 0] Notes ----- These fields (P rec., X rec., CC rec., and M rec.) should be calculated from the packets that are protected at Level 0 (as specified). The specification text in previous sections are all correct. This change here is only a typo in the examples, but correcting it helps to understand the specification. Instructions: ------------- This errata 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. -------------------------------------- RFC5109 (draft-ietf-avt-ulp-23) -------------------------------------- Title : RTP Payload Format for Generic Forward Error Correction Publication Date : December 2007 Author(s) : A. Li, Ed. Category : PROPOSED STANDARD Source : Audio/Video Transport Area : Real-time Applications and Infrastructure Stream : IETF Verifying Party : IESG From wwwrun@rfc-editor.org Wed Jan 16 13:00:40 2013 Return-Path: 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 02E5621F89DC for ; Wed, 16 Jan 2013 13:00:40 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -101.413 X-Spam-Level: X-Spam-Status: No, score=-101.413 tagged_above=-999 required=5 tests=[AWL=-0.678, BAYES_00=-2.599, FRT_LOLITA1=1.865, NO_RELAYS=-0.001, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id edQPW47ew3xg for ; Wed, 16 Jan 2013 13:00:39 -0800 (PST) Received: from rfc-editor.org (rfc-editor.org [IPv6:2001:1890:123a::1:2f]) by ietfa.amsl.com (Postfix) with ESMTP id 93BD621F89CB for ; Wed, 16 Jan 2013 13:00:39 -0800 (PST) Received: by rfc-editor.org (Postfix, from userid 30) id 52DF5B1E002; Wed, 16 Jan 2013 12:49:50 -0800 (PST) To: adamli@hyervision.com, gonzalo.camarillo@ericsson.com, rjsparks@nostrum.com, keith.drage@alcatel-lucent.com, even.roni@huawei.com From: RFC Errata System Message-Id: <20130116204950.52DF5B1E002@rfc-editor.org> Date: Wed, 16 Jan 2013 12:49:50 -0800 (PST) Cc: adamli@hyervision.com, avt@ietf.org, rfc-editor@rfc-editor.org Subject: [AVTCORE] [Editorial Errata Reported] RFC5109 (3461) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Jan 2013 21:00:40 -0000 The following errata report has been submitted for RFC5109, "RTP Payload Format for Generic Forward Error Correction". -------------------------------------- You may review the report below and at: http://www.rfc-editor.org/errata_search.php?rfc=5109&eid=3461 -------------------------------------- Type: Editorial Reported by: Adam Li Section: 10.2 Original Text ------------- In Figure 15, +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |0|0|0|0|0 0 0 0|0|0 0 1 1 0 0 1|0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ .... P rec.: 0 [0 XOR 0 XOR 0 XOR 0] X rec.: 0 [0 XOR 0 XOR 0 XOR 0] CC rec.: 0 [0 XOR 0 XOR 0 XOR 0] M rec.: 0 [1 XOR 0 XOR 1 XOR 0] Corrected Text -------------- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |0|0|0|0|0 0 0 0|1|0 0 1 1 0 0 1|0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ .... P rec.: 0 [0 XOR 0] X rec.: 0 [0 XOR 0] CC rec.: 0 [0 XOR 0] M rec.: 1 [1 XOR 0] Notes ----- These fields (P rec., X rec., CC rec., and M rec.) should be calculated from the packets that are protected at Level 0 (as specified). The specification text in previous sections are all correct. This change here is only a typo in the examples, but correcting it helps to understand the specification. Instructions: ------------- This errata 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. -------------------------------------- RFC5109 (draft-ietf-avt-ulp-23) -------------------------------------- Title : RTP Payload Format for Generic Forward Error Correction Publication Date : December 2007 Author(s) : A. Li, Ed. Category : PROPOSED STANDARD Source : Audio/Video Transport Area : Real-time Applications and Infrastructure Stream : IETF Verifying Party : IESG From internet-drafts@ietf.org Thu Jan 17 07:50:35 2013 Return-Path: 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 34E6021F869A; Thu, 17 Jan 2013 07:50:35 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -98.611 X-Spam-Level: X-Spam-Status: No, score=-98.611 tagged_above=-999 required=5 tests=[AWL=-3.988, BAYES_00=-2.599, FRT_STOCK1=3.988, FRT_STOCK2=3.988, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1yLbx8v+t5CB; Thu, 17 Jan 2013 07:50:34 -0800 (PST) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9809A21F84F4; Thu, 17 Jan 2013 07:50:34 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 4.37 Message-ID: <20130117155034.31173.50415.idtracker@ietfa.amsl.com> Date: Thu, 17 Jan 2013 07:50:34 -0800 Cc: avt@ietf.org Subject: [AVTCORE] I-D Action: draft-ietf-avtcore-idms-08.txt X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jan 2013 15:50:35 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Audio/Video Transport Core Maintenance Wo= rking Group of the IETF. Title : Inter-destination Media Synchronization using the RTP Co= ntrol Protocol (RTCP) Author(s) : Ray van Brandenburg Hans Stokking Oskar van Deventer Fernando Boronat Mario Montagud Kevin Gross Filename : draft-ietf-avtcore-idms-08.txt Pages : 22 Date : 2013-01-17 Abstract: This document defines a new RTP Control Protocol (RTCP) Packet Type and RTCP Extended Report (XR) Block Type to be used for achieving Inter-Destination Media Synchronization (IDMS). IDMS is the process of synchronizing playout across multiple geographically distributed media receivers. Using the RTCP XR IDMS Reporting Block defined in this document, media playout information from participants in a synchronization group can be collected. Based on the collected information, an RTCP IDMS Settings Packet can then be send to distribute a common target playout point to which all the distributed receivers, sharing a media experience, can synchronize. Typical use cases in which IDMS is usefull are social TV, shared service control (i.e. applications where two or more geographically separated users are watching a media stream together), distance learning, networked video walls, networked loudspeakers, etc. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-avtcore-idms There's also a htmlized version available at: http://tools.ietf.org/html/draft-ietf-avtcore-idms-08 A diff from the previous version is available at: http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-avtcore-idms-08 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From ray.vanbrandenburg@tno.nl Thu Jan 17 07:57:00 2013 Return-Path: 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 4985321F86C4 for ; Thu, 17 Jan 2013 07:57:00 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.503 X-Spam-Level: X-Spam-Status: No, score=-0.503 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_EQ_NL=0.55, HOST_EQ_NL=1.545, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cSBB8ejAZORw for ; Thu, 17 Jan 2013 07:56:59 -0800 (PST) Received: from fromintouta.tno.nl (fromintouta.tno.nl [134.221.1.26]) by ietfa.amsl.com (Postfix) with ESMTP id E0C5C21F86B0 for ; Thu, 17 Jan 2013 07:56:58 -0800 (PST) X-IronPort-AV: E=Sophos;i="4.84,486,1355094000"; d="scan'208,217";a="2762655" Received: from unknown (HELO mail.tno.nl) ([134.221.225.221]) by mailhost1a.tno.nl with ESMTP; 17 Jan 2013 16:56:57 +0100 Received: from EXC-MBX03.tsn.tno.nl ([169.254.3.41]) by EXC-CASHUB02.tsn.tno.nl ([134.221.225.221]) with mapi id 14.02.0318.004; Thu, 17 Jan 2013 16:56:57 +0100 From: "Brandenburg, R. (Ray) van" To: "avt@ietf.org" Thread-Topic: New version of IDMS draft Thread-Index: Ac30y0R0A3EuA40XQ6uphQnYln+PPA== Date: Thu, 17 Jan 2013 15:56:56 +0000 Message-ID: Accept-Language: en-US, nl-NL Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [134.221.225.191] Content-Type: multipart/alternative; boundary="_000_FCC100FC8D6B034CB88CD8173B2DA1581C969D4BEXCMBX03tsntnon_" MIME-Version: 1.0 Subject: [AVTCORE] New version of IDMS draft X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jan 2013 15:57:00 -0000 --_000_FCC100FC8D6B034CB88CD8173B2DA1581C969D4BEXCMBX03tsntnon_ Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Dear WG, I've just uploaded a new version of the IDMS draft. The main changes in the= draft are related to the draft's relationship with the ETSI IPTV specifica= tion. In earlier versions of the draft, the draft included some normative r= eferences to an XR block specified by ETSI. In this new version, all such r= eferences have been removed and this IETF draft is now the normative specif= ication for all matters related to IDMS. We have coordinated with ETSI such that ETSI will update its specification = to point to this draft as the normative specification for IDMS once it beco= mes an RFC. Other changes in the draft relate to the sections on SDP and IANA considera= tions, after very careful review by some SDP experts. HTML: http://tools.ietf.org/html/draft-ietf-avtcore-idms-08 Diff: http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-avtcore-idms-08 Best regards, Ray This e-mail and its contents are subject to the DISCLAIMER at http://www.tn= o.nl/emaildisclaimer --_000_FCC100FC8D6B034CB88CD8173B2DA1581C969D4BEXCMBX03tsntnon_ Content-Type: text/html; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable
Dear WG,
 
I’ve just uploaded a new version of the IDMS draft. The main cha= nges in the draft are related to the draft’s relationship with the ET= SI IPTV specification. In earlier versions of the draft, the draft included= some normative references to an XR block specified by ETSI. In this new version, all such references have been removed and thi= s IETF draft is now the normative specification for all matters related to = IDMS.
 
We have coordinated with ETSI such that ETSI will update its specifica= tion to point to this draft as the normative specification for IDMS once it= becomes an RFC.
 
Other changes in the draft relate to the sections on SDP and IANA cons= iderations, after very careful review by some SDP experts.
 
 
Best regards,
 
Ray
 

This e-mail and its contents are subject to the DISCLAIMER at http://www= .tno.nl/emaildisclaimer

--_000_FCC100FC8D6B034CB88CD8173B2DA1581C969D4BEXCMBX03tsntnon_-- From internet-drafts@ietf.org Sun Jan 20 21:26:32 2013 Return-Path: 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 6645321F8611; Sun, 20 Jan 2013 21:26:32 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -102.599 X-Spam-Level: X-Spam-Status: No, score=-102.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tL-lWvTiQT12; Sun, 20 Jan 2013 21:26:31 -0800 (PST) Received: from ietfa.amsl.com (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9A61821F857A; Sun, 20 Jan 2013 21:26:10 -0800 (PST) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: internet-drafts@ietf.org To: i-d-announce@ietf.org X-Test-IDTracker: no X-IETF-IDTracker: 4.37 Message-ID: <20130121052610.32426.82926.idtracker@ietfa.amsl.com> Date: Sun, 20 Jan 2013 21:26:10 -0800 Cc: avt@ietf.org Subject: [AVTCORE] I-D Action: draft-ietf-avtcore-avp-codecs-00.txt X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jan 2013 05:26:32 -0000 A New Internet-Draft is available from the on-line Internet-Drafts director= ies. This draft is a work item of the Audio/Video Transport Core Maintenance Wo= rking Group of the IETF. Title : Update to Recommended Codecs for the AVP RTP Profile Author(s) : Timothy B. Terriberry Filename : draft-ietf-avtcore-avp-codecs-00.txt Pages : 4 Date : 2013-01-20 Abstract: [RFC3551] defines the AVP RTP profile, which is the basis for many other profiles, such as SAVP [RFC3711], AVPF [RFC4585], and SAVPF [RFC5124]. This document updates [RFC3551] (and by extension, the profiles that build upon it) to reflect changes in audio codec usage since the document was originally published. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-avtcore-avp-codecs There's also a htmlized version available at: http://tools.ietf.org/html/draft-ietf-avtcore-avp-codecs-00 Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ From tterribe@xiph.org Sun Jan 20 21:30:03 2013 Return-Path: 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 E9F4B21F86BB for ; Sun, 20 Jan 2013 21:30:03 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.677 X-Spam-Level: X-Spam-Status: No, score=-2.677 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_MISMATCH_ORG=0.611, HOST_MISMATCH_COM=0.311, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZjsP7S3d41Wj for ; Sun, 20 Jan 2013 21:30:03 -0800 (PST) Received: from smtp.mozilla.org (mx1.corp.phx1.mozilla.com [63.245.216.69]) by ietfa.amsl.com (Postfix) with ESMTP id 27E0B21F852C for ; Sun, 20 Jan 2013 21:29:52 -0800 (PST) Received: from [172.17.0.5] (c-67-169-183-68.hsd1.ca.comcast.net [67.169.183.68]) (Authenticated sender: tterriberry@mozilla.com) by mx1.mail.corp.phx1.mozilla.com (Postfix) with ESMTPSA id 4760BF20BF; Sun, 20 Jan 2013 21:29:51 -0800 (PST) Message-ID: <50FCD24E.3070907@xiph.org> Date: Sun, 20 Jan 2013 21:29:50 -0800 From: "Timothy B. Terriberry" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120625 SeaMonkey/2.10.1 MIME-Version: 1.0 To: Roni Even References: <05ff01cdd852$fdb15e70$f9141b50$@gmail.com> In-Reply-To: <05ff01cdd852$fdb15e70$f9141b50$@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: avt@ietf.org Subject: Re: [AVTCORE] confirmation of adoption of draft-terriberry-avp-codecs-00 X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jan 2013 05:30:04 -0000 Roni Even wrote: > Hi, > > Since there were no objection we will accept the work. > > Can the authors submit it as draft-ietf-avtcore-avp-codecs-00 Submitted. Apologies for the delay. I was on travel and lost access to the machine that had the XML for this draft due to a hardware failure. The only changes from draft-terriberry-avp-codecs-00 were switching to the new Python-based xml2rfc tool (which inserts fewer page breaks) and changing may to MAY as suggested by EKR in Atlanta. From magnus.westerlund@ericsson.com Mon Jan 21 00:40:25 2013 Return-Path: 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 DF1DF21F8440 for ; Mon, 21 Jan 2013 00:40:25 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.249 X-Spam-Level: X-Spam-Status: No, score=-106.249 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_EQ_SE=0.35, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YCPzHcc5zB1o for ; Mon, 21 Jan 2013 00:40:25 -0800 (PST) Received: from mailgw7.ericsson.se (mailgw7.ericsson.se [193.180.251.48]) by ietfa.amsl.com (Postfix) with ESMTP id BA09E21F8443 for ; Mon, 21 Jan 2013 00:40:24 -0800 (PST) X-AuditID: c1b4fb30-b7f0d6d000007e61-40-50fcfef62e3c Received: from esessmw0247.eemea.ericsson.se (Unknown_Domain [153.88.253.125]) by mailgw7.ericsson.se (Symantec Mail Security) with SMTP id A0.9C.32353.7FEFCF05; Mon, 21 Jan 2013 09:40:23 +0100 (CET) Received: from [127.0.0.1] (153.88.115.8) by esessmw0247.eemea.ericsson.se (153.88.115.94) with Microsoft SMTP Server id 8.3.279.1; Mon, 21 Jan 2013 09:40:23 +0100 Message-ID: <50FCFEF6.10407@ericsson.com> Date: Mon, 21 Jan 2013 09:40:22 +0100 From: Magnus Westerlund User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 To: "Brandenburg, R. (Ray) van" References: In-Reply-To: X-Enigmail-Version: 1.5 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuplluLIzCtJLcpLzFFi42KZGfG3Vvf7vz8BBp1tghYve1ayW3zbfJ3R gcljyZKfTB4H111gDmCK4rJJSc3JLEst0rdL4Mp4cOU2S8FqvoqTD0+xNTCe5O5i5OCQEDCR mNINZHICmWISF+6tZwOxhQROMko8PlncxcgFZC9nlGha8JkFJMEroCmx9/lkRhCbRUBVYmHL DnYQm03AQuLmj0awZlGBYIkNB1cxQdQLSpyc+QSsV0TAWuLK5S5mkL3MAooSk9olQcLCAgYS JxomMEPs9ZaY3v6cFcTmFPCR2H77ISPEmeISa95wgISZgcqPLJrDCmHLSzRvnQ3Vqi3R0NTB OoFRaBaSxbOQtMxC0rKAkXkVI3tuYmZOern5JkZgkB7c8ttgB+Om+2KHGKU5WJTEecNdLwQI CaQnlqRmp6YWpBbFF5XmpBYfYmTi4JRqYJzFfOd8zt+5jyfOMl08wdSMx2/Sbcf9O1t2f3i9 J3ez/Kqb6WUPJA3emkTMbS7+bJ1hpy3F03rT531emvMlQcadJrnnvE+tO952+cBFt6UTPv6X vsy+LKDvxlmLmEXfL8aovg1L/OIrt8yw3UrkFUeCluubaZ83PdEQb9/4fG2oA/ePvdkXHTcp sRRnJBpqMRcVJwIA1wc26CACAAA= Cc: "avt@ietf.org" Subject: Re: [AVTCORE] New version of IDMS draft X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jan 2013 08:40:26 -0000 Ray, Then I assume this is ready for a WG last call then? Cheers Magnus On 2013-01-17 16:56, Brandenburg, R. (Ray) van wrote: > Dear WG, > > I’ve just uploaded a new version of the IDMS draft. The main changes in > the draft are related to the draft’s relationship with the ETSI IPTV > specification. In earlier versions of the draft, the draft included some > normative references to an XR block specified by ETSI. In this new > version, all such references have been removed and this IETF draft is > now the normative specification for all matters related to IDMS. > > We have coordinated with ETSI such that ETSI will update its > specification to point to this draft as the normative specification for > IDMS once it becomes an RFC. > > Other changes in the draft relate to the sections on SDP and IANA > considerations, after very careful review by some SDP experts. > > HTML: http://tools.ietf.org/html/draft-ietf-avtcore-idms-08 > Diff: _http://www.ietf.org/rfcdiff?url2=draft-ietf-avtcore-idms-08_ > > Best regards, > > Ray > > > This e-mail and its contents are subject to the DISCLAIMER at > http://www.tno.nl/emaildisclaimer > > > > _______________________________________________ > Audio/Video Transport Core Maintenance > avt@ietf.org > https://www.ietf.org/mailman/listinfo/avt > -- Magnus Westerlund ---------------------------------------------------------------------- Multimedia Technologies, Ericsson Research EAB/TVM ---------------------------------------------------------------------- Ericsson AB | Phone +46 10 7148287 Färögatan 6 | Mobile +46 73 0949079 SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com ---------------------------------------------------------------------- From ray.vanbrandenburg@tno.nl Mon Jan 21 01:23:00 2013 Return-Path: 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 151B321F86B6 for ; Mon, 21 Jan 2013 01:23:00 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -0.504 X-Spam-Level: X-Spam-Status: No, score=-0.504 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_EQ_NL=0.55, HOST_EQ_NL=1.545] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kiYruda8TEjK for ; Mon, 21 Jan 2013 01:22:59 -0800 (PST) Received: from fromintoutb.tno.nl (fromintoutb.tno.nl [134.221.1.27]) by ietfa.amsl.com (Postfix) with ESMTP id 1C86121F86AC for ; Mon, 21 Jan 2013 01:22:58 -0800 (PST) X-IronPort-AV: E=Sophos;i="4.84,505,1355094000"; d="scan'208";a="531132" Received: from unknown (HELO mail.tno.nl) ([134.221.225.220]) by mailhost1b.tno.nl with ESMTP; 21 Jan 2013 10:22:57 +0100 Received: from EXC-MBX03.tsn.tno.nl ([169.254.3.41]) by EXC-CASHUB01.tsn.tno.nl ([134.221.225.220]) with mapi id 14.02.0318.004; Mon, 21 Jan 2013 10:22:57 +0100 From: "Brandenburg, R. (Ray) van" To: Magnus Westerlund Thread-Topic: [AVTCORE] New version of IDMS draft Thread-Index: Ac30y0R0A3EuA40XQ6uphQnYln+PPAC30z4AAAOHkqA= Date: Mon, 21 Jan 2013 09:22:57 +0000 Message-ID: References: <50FCFEF6.10407@ericsson.com> In-Reply-To: <50FCFEF6.10407@ericsson.com> Accept-Language: en-US, nl-NL Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [134.221.225.153] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "avt@ietf.org" Subject: Re: [AVTCORE] New version of IDMS draft X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jan 2013 09:23:00 -0000 Hi Magnus, Yes, as we discussed, due to the nature and significance of the changes, a = second WGLC would be good. Could you start one? Best regards, Ray -----Original Message----- From: Magnus Westerlund [mailto:magnus.westerlund@ericsson.com]=20 Sent: maandag 21 januari 2013 9:40 To: Brandenburg, R. (Ray) van Cc: avt@ietf.org Subject: Re: [AVTCORE] New version of IDMS draft Ray, Then I assume this is ready for a WG last call then? Cheers Magnus On 2013-01-17 16:56, Brandenburg, R. (Ray) van wrote: > Dear WG, > =20 > I've just uploaded a new version of the IDMS draft. The main changes=20 > in the draft are related to the draft's relationship with the ETSI=20 > IPTV specification. In earlier versions of the draft, the draft=20 > included some normative references to an XR block specified by ETSI.=20 > In this new version, all such references have been removed and this=20 > IETF draft is now the normative specification for all matters related to = IDMS. > =20 > We have coordinated with ETSI such that ETSI will update its=20 > specification to point to this draft as the normative specification=20 > for IDMS once it becomes an RFC. > =20 > Other changes in the draft relate to the sections on SDP and IANA=20 > considerations, after very careful review by some SDP experts. > =20 > HTML: http://tools.ietf.org/html/draft-ietf-avtcore-idms-08 > Diff: _http://www.ietf.org/rfcdiff?url2=3Ddraft-ietf-avtcore-idms-08_ > =20 > Best regards, > =20 > Ray > =20 >=20 > This e-mail and its contents are subject to the DISCLAIMER at=20 > http://www.tno.nl/emaildisclaimer >=20 >=20 >=20 > _______________________________________________ > Audio/Video Transport Core Maintenance avt@ietf.org=20 > https://www.ietf.org/mailman/listinfo/avt >=20 --=20 Magnus Westerlund ---------------------------------------------------------------------- Multimedia Technologies, Ericsson Research EAB/TVM ---------------------------------------------------------------------- Ericsson AB | Phone +46 10 7148287 F=E4r=F6gatan 6 | Mobile +46 73 0949079 SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com ---------------------------------------------------------------------- From magnus.westerlund@ericsson.com Mon Jan 21 01:35:39 2013 Return-Path: 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 DA04321F85DA for ; Mon, 21 Jan 2013 01:35:39 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.249 X-Spam-Level: X-Spam-Status: No, score=-106.249 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_EQ_SE=0.35, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id h4Z8qn8cQSMN for ; Mon, 21 Jan 2013 01:35:39 -0800 (PST) Received: from mailgw7.ericsson.se (mailgw7.ericsson.se [193.180.251.48]) by ietfa.amsl.com (Postfix) with ESMTP id 29A0E21F8555 for ; Mon, 21 Jan 2013 01:35:39 -0800 (PST) X-AuditID: c1b4fb30-b7f0d6d000007e61-41-50fd0be98f36 Received: from esessmw0184.eemea.ericsson.se (Unknown_Domain [153.88.253.125]) by mailgw7.ericsson.se (Symantec Mail Security) with SMTP id 82.A9.32353.9EB0DF05; Mon, 21 Jan 2013 10:35:38 +0100 (CET) Received: from [127.0.0.1] (153.88.115.8) by esessmw0184.eemea.ericsson.se (153.88.115.82) with Microsoft SMTP Server id 8.3.279.1; Mon, 21 Jan 2013 10:35:37 +0100 Message-ID: <50FD0BE9.90709@ericsson.com> Date: Mon, 21 Jan 2013 10:35:37 +0100 From: Magnus Westerlund User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 To: IETF AVTCore WG X-Enigmail-Version: 1.5 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrEJMWRmVeSWpSXmKPExsUyM+Jvre4r7r8BBmsnclu87FnJ7sDosWTJ T6YAxigum5TUnMyy1CJ9uwSujJX3pzEWLGKrWHd6A3MD41zWLkZODgkBE4lTj3YyQthiEhfu rWfrYuTiEBI4yShxYd4VJghnOaPE/4aNTCBVvAKaEjuvbwOzWQRUJRqeLWIDsdkELCRu/mgE s0UFgiU2HFwFVS8ocXLmExYQW0RASWLHpG3MILawgI3Eq7vbgOIcQJvFJda84QAJMwvoSUy5 2sIIYctLNG+dDVYuJKAt0dDUwTqBkX8WkqmzkLTMQtKygJF5FSN7bmJmTnq5+SZGYDgd3PLb YAfjpvtihxilOViUxHnDXS8ECAmkJ5akZqemFqQWxReV5qQWH2Jk4uCUamBkmcrm9ODPPKcf qgLFFUILs2Ks7u0UUK6y+3Z3kW+IxMXtLf2C+5/KHlz+3uGmYKrsLNtqBrbeaRO2dvRNeJzk 0KOwcGXPsr5HulfWbrb04z/2wMNbd/bkKcfsCtlWBa8TfvSiJFLTRZqDt/P774e7p+tc+5ah 1NkuV7ftn/Oz3TsfcOpcv8mmxFKckWioxVxUnAgAD1OazvUBAAA= Subject: [AVTCORE] WG last call (Second) on draft-ietf-avtcore-idms-08 X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jan 2013 09:35:40 -0000 WG, This is a second WG last call on the "Inter-destination Media Synchronization using the RTP Control Protocol (RTCP)" due to the significant changes from the previously last called version. Please provide your feedback no later than the 4th of February. https://datatracker.ietf.org/doc/draft-ietf-avtcore-idms Cheers Magnus Westerlund ---------------------------------------------------------------------- Multimedia Technologies, Ericsson Research EAB/TVM ---------------------------------------------------------------------- Ericsson AB | Phone +46 10 7148287 Färögatan 6 | Mobile +46 73 0949079 SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com ---------------------------------------------------------------------- From magnus.westerlund@ericsson.com Mon Jan 21 04:45:04 2013 Return-Path: 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 A442F21F8488 for ; Mon, 21 Jan 2013 04:45:04 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.249 X-Spam-Level: X-Spam-Status: No, score=-106.249 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HELO_EQ_SE=0.35, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YApUMohLysqi for ; Mon, 21 Jan 2013 04:45:04 -0800 (PST) Received: from mailgw7.ericsson.se (mailgw7.ericsson.se [193.180.251.48]) by ietfa.amsl.com (Postfix) with ESMTP id B1EDC21F8481 for ; Mon, 21 Jan 2013 04:45:03 -0800 (PST) X-AuditID: c1b4fb30-b7f0d6d000007e61-6e-50fd384e985a Received: from esessmw0184.eemea.ericsson.se (Unknown_Domain [153.88.253.125]) by mailgw7.ericsson.se (Symantec Mail Security) with SMTP id 66.92.32353.E483DF05; Mon, 21 Jan 2013 13:45:02 +0100 (CET) Received: from [127.0.0.1] (153.88.115.8) by esessmw0184.eemea.ericsson.se (153.88.115.82) with Microsoft SMTP Server id 8.3.279.1; Mon, 21 Jan 2013 13:45:02 +0100 Message-ID: <50FD384D.9040606@ericsson.com> Date: Mon, 21 Jan 2013 13:45:01 +0100 From: Magnus Westerlund User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 To: IETF AVTCore WG References: <50B4CC3E.6070705@ericsson.com> In-Reply-To: <50B4CC3E.6070705@ericsson.com> X-Enigmail-Version: 1.5 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrBJMWRmVeSWpSXmKPExsUyM+Jvra6fxd8Ag9mnzCxe9qxkd2D0WLLk J1MAYxSXTUpqTmZZapG+XQJXxp+jR5gK5vNX3Fj5krWB8QBPFyMnh4SAicSPvWdYIWwxiQv3 1rN1MXJxCAmcZJTY2v2EGcJZziixeuNcoCoODl4BbYnHa9JATBYBVYl792tAetkELCRu/mhk A7FFBYIlNhxcxQRi8woISpyc+YQFxBYRUJLYMWkbM4gtLBAicbJ9PjuILQQ0sbdnA1g9p4CO xLE7HxhBxksIiEusecMBEmYW0JOYcrWFEcKWl2jeOpsZprWhqYN1AqPgLCTbZiFpmYWkZQEj 8ypG9tzEzJz0cvNNjMDQO7jlt8EOxk33xQ4xSnOwKInzhrteCBASSE8sSc1OTS1ILYovKs1J LT7EyMTBKdXAWPM19OFBlmAXJzPFO2KvSp99O+Gz+5L9yj+iWuocmpy3Qrge3Z4fYiqstIfr vNPXjEcPZpgZTyna8PNt6YEVWhdu//lTfz2e/dIZ7uLprBaTzTeeU/mqJexXsuPg1M0y2m/v VC6p2CxlEFRx6Brr8eBF86KEDAJ1vJmEHNZM7VQI2ak/9SdHoxJLcUaioRZzUXEiAK3UffML AgAA Subject: Re: [AVTCORE] Working group last call on draft-ietf-avtcore-srtp-aes-gcm-03 X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jan 2013 12:45:04 -0000 WG, This WG last call ended before Christmas. I appreciate that a couple of persons did take the time to review the document. The authors will need to review and address the comments, making updates where appropriate. When this is done we can hopefully request publication, but the nature of the changes may require additional steps prior to that. Cheers Magnus On 2012-11-27 15:20, Magnus Westerlund wrote: > WG, > > This announces the WG last call on AES-GCM and AES-CCM Authenticated > Encryption in Secure RTP (SRTP) > https://datatracker.ietf.org/doc/draft-ietf-avtcore-srtp-aes-gcm/ > > Please provide any comments no later than the 12th of December. Also > comments of the nature of "I have read it and have no comments and think > it should be published" are highly valuable. > > Cheers > > Magnus Westerlund > > ---------------------------------------------------------------------- > Multimedia Technologies, Ericsson Research EAB/TVM > ---------------------------------------------------------------------- > Ericsson AB | Phone +46 10 7148287 > Färögatan 6 | Mobile +46 73 0949079 > SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com > ---------------------------------------------------------------------- > > _______________________________________________ > Audio/Video Transport Core Maintenance > avt@ietf.org > https://www.ietf.org/mailman/listinfo/avt > > -- Magnus Westerlund ---------------------------------------------------------------------- Multimedia Technologies, Ericsson Research EAB/TVM ---------------------------------------------------------------------- Ericsson AB | Phone +46 10 7148287 Färögatan 6 | Mobile +46 73 0949079 SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com ---------------------------------------------------------------------- From cris.pascual.gonzalez@gmail.com Tue Jan 22 09:40:47 2013 Return-Path: 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 681FC21F8A64 for ; Tue, 22 Jan 2013 09:40:47 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.457 X-Spam-Level: X-Spam-Status: No, score=-4.457 tagged_above=-999 required=5 tests=[AWL=0.142, BAYES_00=-2.599, GB_I_INVITATION=-2] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9IKBnx6cBUeE for ; Tue, 22 Jan 2013 09:40:47 -0800 (PST) Received: from marfik.cc.upv.es (smtpsal1.cc.upv.es [158.42.249.61]) by ietfa.amsl.com (Postfix) with ESMTP id 958FA21F8A61 for ; Tue, 22 Jan 2013 09:40:46 -0800 (PST) Received: from smtpx.upv.es (smtpxv.cc.upv.es [158.42.249.46]) by marfik.cc.upv.es (8.13.6/8.13.6) with ESMTP id r0MHejDl010752 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 22 Jan 2013 18:40:45 +0100 Received: from smtp.upv.es (celaeno.cc.upv.es [158.42.249.55]) by smtpx.upv.es (8.14.3/8.14.3) with ESMTP id r0MHejXs020545 for ; Tue, 22 Jan 2013 18:40:45 +0100 Received: from JLLORET (pptp243-89.vpns.upv.es [158.42.243.89]) by smtp.upv.es (8.13.6/8.13.6) with SMTP id r0MHeiMD030674 for ; Tue, 22 Jan 2013 18:40:44 +0100 Date: Tue, 22 Jan 2013 18:40:44 +0100 Message-Id: <201301221740.r0MHeiMD030674@smtp.upv.es> From: Cristina Pascual To: avt@ietf.org CC: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailman-Approved-At: Tue, 22 Jan 2013 10:44:53 -0800 Subject: [AVTCORE] Deadline extension: ICIW 2013 || June 23 - 28, 2013 - Rome, Italy X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Jan 2013 17:40:47 -0000 INVITATION: ================= Please consider to contribute to and/or forward to the appropriate groups the following opportunity to submit and publish original scientific results to ICIW 2013. The submission deadline is February 7, 2013. Authors of selected papers will be invited to submit extended article versions to one of the IARIA Journals: http://www.iariajournals.org ================= ============== ICIW 2013 | Call for Papers =============== CALL FOR PAPERS, TUTORIALS, PANELS ICIW 2013, The Eighth International Conference on Internet and Web Applications and Services June 23 - 28, 2013 - Rome, Italy General page: http://www.iaria.org/conferences2013/ICIW13.html Call for Papers: http://www.iaria.org/conferences2013/CfPICIW13.html - regular papers - short papers (work in progress) - posters Submission page: http://www.iaria.org/conferences2013/SubmitICIW13.html Submission deadline: February 7, 2013 Sponsored by IARIA, www.iaria.org Extended versions of selected papers will be published in IARIA Journals: http://www.iariajournals.org Print proceedings will be available via Curran Associates, Inc.: http://www.proceedings.com/9769.html Articles will be archived in the free access ThinkMind Digital Library: http://www.thinkmind.org Please note the Poster and Work in Progress options. The topics suggested by the conference can be discussed in term of concepts, state of the art, research, standards, implementations, running experiments, applications, and industrial case studies. Authors are invited to submit complete unpublished papers, which are not under review in any other conference or journal in the following, but not limited to, topic areas. All tracks are open to both research and industry contributions, in terms of Regular papers, Posters, Work in progress, Technical/marketing/business presentations, Demos, Tutorials, and Panels. Before submission, please, check and comply with the Editorial rules: http://www.iaria.org/editorialrules.html ICIW 2013 Topics (topics and submission details: see CfP on the site) IWAS : Internet and Web-based Applications and Services Web technologies, frameworks, languages, mechanisms; Web applications design and development; Interaction with/from Web-based applications; Web-based applications? features; Management of Web-based applications; Evaluation of Web applications; Specialized Web applications; Aggregating multimedia documents; E-business, appliances, and services; IP Grid Management and Grid Services; IP-based convergent solutions and next generation networks; Standards, case studies and special groups on web-based applications; E-business system design, development, and management for SMEs WSSA : Web Services-based Systems and Applications Service Innovations; Service Architectures; Model-driven development of context-aware services; Context-aware service models, architectures and frameworks; Model-driven development of semantic Web services; Web services foundation, architectures, frameworks, languages; Web services architecture and business continuity; Special Web services mechanisms; Semantic Web, Ontology, and Web services; Web service applications ; Data Management aspects in Web Services; Autonomic e-Business integration and collaboration; Web service based Grid computing and P2P computing; Web services based applications for e-Commerce; Multimedia applications using Web Services; Automatic computing for Web services; Web services challenges on trust, security, performance, scalability; Enterprise Web services; Web services discovery, announcing, monitoring and management; Platforms, technologies, mechanisms and case studies; Grid architectures, middleware and toolkits ENSYS: Entertainment Systems Developing entertainment systems and applications; Platforms for entertainment systems; Speech technology & its usability for entertainment systems; Networking requirements for entertainment systems; Traffic generated by entertainment applications; QoS/SLA on entertainment systems; Reliability and high availability of entertainment systems; Identify aspects in entertainment systems; Real-time access to entertainment systems; Customized access entertainment systems; Navigation and entertainment systems; Integration and interoperability aspects in entertainment systems; Entertainment systems and applications; Networking and system support for entertainment systems; Wireless and mobile technologies for entertainment; Wireless multimedia for entertainment; Systems for music and movie distribution; Games on mobile and resource-constrained devices; Mobile video entertainment systems; Car/flight/train entertainment systems; Ubiquitous entertainment systems; Interactive televisio! n; Technologies for sport and enter tainment; WiFi wireless home entertainment systems; Wearable technologies for entertainment P2PSA: P2P Systems and Applications P2P architectures, techniques, paradigms; P2P programming and data handling; P2P security features; Data and compute intensive applications; P2P networks and protocols; P2P management; P2P Trust and reputation management; Fault tolerance in P2P, quality of availability, accounting in P2P; Self-adaptiveness in P2P overlay networks; Self-configurable P2P systems; Case studies, benchmarking; Copyright and intellectual property; Electronic marketplace, Digital asset management and trading systems; Platforms, environments, testbeds ONLINE: Online Communications, Collaborative Systems, and Social Networks Theory, frameworks, mechanisms, and tools for online communication; Methodologies and languages for on-line communications; Web services and XML use for online communications; Tools for assessing online work, distributed workload; Shared business processes; Collaborative groups and systems; Theory and formalisms of group interactions; Group synergy in cooperative networks; Online gambling, gaming, children groups; Identity features, risks, jurisdiction for online communications; Specifics emergency and e-coaching on online communications; B2B and B2E cooperation; Privacy, identify, security on online communications; Individual anonymity, group trust, and confidentiality on online groups; Conflict, delegation, group selection; Community costs in collaborative groups; Building online social networks with popularity contexts, persuasion, etc.; Technology support for collaborative systems; Techniques, mechanisms, and platforms for remote cooperation SERCOMP: Service computing Adaptive Architecture; Business process integration and management; Cloud Computing; Collective Intelligence for Service Computing; Computational Intelligence; Data Mining of Actual Services; Decision Science; Digital EcoSystems Infrastructure; Economic Clusters; Economics and Economic Experiments; Game Theory; Human Modeling in Services; Intelligent Agents and Multi-Agent Systems; Intra- and Inter-enterprise services; Knowledge Discovery for Service Computing; Nature Inspired Computing Techniques for Service Computing; Optimization of Service Processes; Psychological Approaches to Services; Self Organizing Infrastructure; Sensing of Human Behaviors; Service-centric business models and their economics; Service discovery, repository and registry; Service Engineering; Service evaluation, measurements and delivery audit; Service interaction, service ontologies and service composition; Service Marketing; Service-Oriented Architecture; Service Oriented computing; Soft Computin! 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nfrastructure; Novel application ar chitectures, best practices, case studies and surveys ------------------------------ Committee: http://www.iaria.org/conferences2013/ComICIW13.html ================================================ From csp@csperkins.org Wed Jan 23 11:39:05 2013 Return-Path: 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 A7B3B21F87EE for ; Wed, 23 Jan 2013 11:39:05 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -106.599 X-Spam-Level: X-Spam-Status: No, score=-106.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4, USER_IN_WHITELIST=-100] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KKK4l3fXN5wX for ; Wed, 23 Jan 2013 11:39:04 -0800 (PST) Received: from haggis.mythic-beasts.com (haggis.mythic-beasts.com [93.93.131.52]) by ietfa.amsl.com (Postfix) with ESMTP id 9A0B521F87ED for ; Wed, 23 Jan 2013 11:39:04 -0800 (PST) Received: from [80.176.158.71] (helo=[192.168.0.11]) by haggis.mythic-beasts.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1Ty6A3-0000Ir-7F for avt@ietf.org; Wed, 23 Jan 2013 19:39:03 +0000 Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Apple Message framework v1283) From: Colin Perkins In-Reply-To: <20130121052610.32426.82926.idtracker@ietfa.amsl.com> Date: Wed, 23 Jan 2013 19:38:58 +0000 Content-Transfer-Encoding: quoted-printable Message-Id: <9B558E93-3F8A-495E-AC09-785A6FDC533E@csperkins.org> References: <20130121052610.32426.82926.idtracker@ietfa.amsl.com> To: IETF AVTCore WG X-Mailer: Apple Mail (2.1283) X-BlackCat-Spam-Score: -12 X-Mythic-Debug: Threshold = On = Subject: Re: [AVTCORE] I-D Action: draft-ietf-avtcore-avp-codecs-00.txt X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Jan 2013 19:39:06 -0000 On 21 Jan 2013, at 05:26, 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 Audio/Video Transport Core = Maintenance Working Group of the IETF. >=20 > Title : Update to Recommended Codecs for the AVP RTP = Profile > Author(s) : Timothy B. Terriberry > Filename : draft-ietf-avtcore-avp-codecs-00.txt > Pages : 4 > Date : 2013-01-20 >=20 > Abstract: > [RFC3551] defines the AVP RTP profile, which is the basis for many > other profiles, such as SAVP [RFC3711], AVPF [RFC4585], and SAVPF > [RFC5124]. This document updates [RFC3551] (and by extension, the > profiles that build upon it) to reflect changes in audio codec usage > since the document was originally published. >=20 >=20 > The IETF datatracker status page for this draft is: > https://datatracker.ietf.org/doc/draft-ietf-avtcore-avp-codecs For consistency with RFC 3551, the title should probably be =93Update to = the Recommended Codecs for the RTP Profile for Audio and Video = Conferences with Minimal Control (RTP/AVP)=94. Otherwise this looks good = to me. --=20 Colin Perkins http://csperkins.org/ From xavier.marjou@gmail.com Fri Jan 25 06:46:28 2013 Return-Path: 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 267FD21F8682 for ; Fri, 25 Jan 2013 06:46:28 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.977 X-Spam-Level: X-Spam-Status: No, score=-2.977 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FM_FORGED_GMAIL=0.622, RCVD_IN_DNSWL_LOW=-1] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id B-KumsThD095 for ; Fri, 25 Jan 2013 06:46:24 -0800 (PST) Received: from mail-qc0-f181.google.com (mail-qc0-f181.google.com [209.85.216.181]) by ietfa.amsl.com (Postfix) with ESMTP id 61AA621F86FA for ; Fri, 25 Jan 2013 06:46:24 -0800 (PST) Received: by mail-qc0-f181.google.com with SMTP id x40so209713qcp.26 for ; Fri, 25 Jan 2013 06:46:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type; bh=8qAT14lk5mMSByJp6BBusUfepmcggUjFA23Xygqsz1Q=; b=zriXFbaOZ459I6STGN4rbxMgdiVVNshG9l1QRuEIgmEDrEeWMRV6wkLRb9ejPsnrUN iARTvbsQg98zLefwzLQ/EJURkE6nrc948LTffQaTvppPsuLFUNWFuHU8DIUTMkGjxZNS 8bfvV0xk4eeEfngiyFvTLgfKw+Zav+luN+WNH93oMBXkjw+3OJT9tznWaIwxF4bMfxuS XgqpqTThm23tSVijhHYhswr5PJbyC1Lgi0cyXyri6VvWq5VSZxYuznt8idpCO94UkFWe LpFlF+ZcYt+iEm15VWBMjLOPoIjag6qeRbOx/dSyxSU0dZ7m7ygDk+dsbicytxjVW7Ho rWfw== MIME-Version: 1.0 X-Received: by 10.224.223.80 with SMTP id ij16mr6002528qab.8.1359125183844; Fri, 25 Jan 2013 06:46:23 -0800 (PST) Sender: xavier.marjou@gmail.com Received: by 10.49.63.227 with HTTP; Fri, 25 Jan 2013 06:46:23 -0800 (PST) In-Reply-To: References: Date: Fri, 25 Jan 2013 15:46:23 +0100 X-Google-Sender-Auth: zAU4U9TZTwpHbE5o_Lq8zO91a84 Message-ID: From: Xavier Marjou To: avt@ietf.org Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [AVTCORE] [Technical Errata Reported] RFC4733 (3451) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Jan 2013 14:46:28 -0000 Hi, I also agree that this text proposal is better. I would even suggest to remove the end of the sentence (i.e. "to simplify the generation of audio waveforms at a gateway") in order to make it easier to understand (as we would add " if they use the same SSRC ..." before). In other words, I would suggest : Named telephone events are carried as part of the audio stream and if they use the same SSRC (therefore the same timing and sequence number space), they MUST use the same timestamp clock rate as the regular audio channel. Cheers, Xavier > On 2013-01-16 17:45, Marc Petit-Huguenin wrote: >> On 01/15/2013 08:54 AM, Magnus Westerlund wrote: >>> Hi, >> >>> (As Individual) >> >>> Are we certain that the RTP payload format will never be sent >>> over two different but linked SSRCs to the original audio. There >>> is such a use case (See RFC 3388) where DTMF and original audio >>> are sent in two different RTP sessions and thus with different >>> SSRCs (although, they could have the same number for binding >>> reasons). I fear the proposed corrected text is to restrictive. >> >> Right. I propose this: >> >> Named telephone events are carried as part of the audio stream and >> if they use the same SSRC (therefore the same timing and sequence >> number space), they MUST use the same timestamp clock rate as the >> regular audio channel to simplify the generation of audio waveforms >> at a gateway. >> > > I think this is much better. > > Cheers > > Magnus Westerlund From kmigoe@nsa.gov Fri Jan 25 11:04:11 2013 Return-Path: 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 C282821F87F3 for ; Fri, 25 Jan 2013 11:04:11 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.599 X-Spam-Level: X-Spam-Status: No, score=-10.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Hipn69LnDiOr for ; Fri, 25 Jan 2013 11:04:10 -0800 (PST) Received: from nsa.gov (emvm-gh1-uea08.nsa.gov [63.239.67.9]) by ietfa.amsl.com (Postfix) with ESMTP id 31AB321F87D5 for ; Fri, 25 Jan 2013 11:04:10 -0800 (PST) X-TM-IMSS-Message-ID: Received: from MSHT-GH1-UEA01.corp.nsa.gov ([10.215.227.18]) by nsa.gov ([63.239.67.9]) with ESMTP (TREND IMSS SMTP Service 7.1; TLSv1/SSLv3 AES128-SHA (128/128)) id f6530903001bf996 ; Fri, 25 Jan 2013 14:02:23 -0500 Received: from MSMR-GH1-UEA06.corp.nsa.gov (10.215.225.2) by MSHT-GH1-UEA01.corp.nsa.gov (10.215.227.18) with Microsoft SMTP Server (TLS) id 14.1.289.1; Fri, 25 Jan 2013 14:03:55 -0500 Received: from MSMR-GH1-UEA03.corp.nsa.gov ([10.215.224.3]) by MSMR-GH1-UEA06.corp.nsa.gov ([10.215.225.2]) with mapi id 14.01.0289.001; Fri, 25 Jan 2013 14:03:55 -0500 From: "Igoe, Kevin M." To: 'Magnus Westerlund' , "draft-ietf-avtcore-srtp-aes-gcm@tools.ietf.org" , EKR Thread-Topic: [AVTCORE] Working group last call on draft-ietf-avtcore-srtp-aes-gcm-03 Thread-Index: AQHN1tng0+dmG814XEmYsgu0M58EyZhaoDQw Date: Fri, 25 Jan 2013 19:03:54 +0000 Message-ID: <3C4AAD4B5304AB44A6BA85173B4675CA5F8A9A79@MSMR-GH1-UEA03.corp.nsa.gov> References: <50B4CC3E.6070705@ericsson.com> <50C5E2D3.5040205@ericsson.com> In-Reply-To: <50C5E2D3.5040205@ericsson.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.215.225.46] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: IETF AVTCore WG Subject: Re: [AVTCORE] Working group last call on draft-ietf-avtcore-srtp-aes-gcm-03 X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 25 Jan 2013 19:04:11 -0000 I'll try to address these point in line. (David: Point 13 is an MTU related issue & I could use your guidance here.) > -----Original Message----- > From: Magnus Westerlund [mailto:magnus.westerlund@ericsson.com] > Sent: Monday, December 10, 2012 8:26 AM > To: draft-ietf-avtcore-srtp-aes-gcm@tools.ietf.org; EKR > Cc: IETF AVTCore WG > Subject: Re: [AVTCORE] Working group last call on draft-ietf-avtcore- > srtp-aes-gcm-03 >=20 > WG, Authors >=20 > EKR, please look at issue 8 and 16 below. >=20 >=20 > On 2012-11-27 15:20, Magnus Westerlund wrote: > > WG, > > > > This announces the WG last call on AES-GCM and AES-CCM Authenticated > > Encryption in Secure RTP (SRTP) > > https://datatracker.ietf.org/doc/draft-ietf-avtcore-srtp-aes-gcm/ > > >=20 > I have made a personal review of this document. My comments are the > following. I have not checked for overlap with already made comments. >=20 > 1) In the front page header: "Intended Status: Informational" Please > change this to standards track. Oops. It SHALL be changed. >=20 > 2) Section 1: The first mentioning of SRTP, RTP etc should have > references, that also applies to AES and the AES-GCM, AES-CCM. Done. >=20 > 3) Section 4) >=20 > Instantiation In AEAD, an instantiation is an (Encryption_key, > salt) pair together with all of the data > structures (for example, counters) needed for it > to function properly. In SRTP/SRTCP, each > endpoint will need two instantiations of the AEAD > algorithm for each master key in its possession, > one for SRTP and one for SRTCP. >=20 > When reading this I got hang up on this. I realized why when getting > further one. First of all I had forgotten about the fact that the SSRC > is provided at invocation time through the IV, rather than at > Instantiation. So I don't think this text is wrong, I think the issue > might be in Section 3, that needs an bullet 4 that maps down to > invocation level by making clear that a particular packet is processed > by forming the IV for that packet using SSRC, Roll-over counter and > SSRC > combined with selecting the instantiation that is relevant for this > packet. Here is a "bullet 4": d) Each time an instantiation of AES-GCM or AES-CCM is invoked to encrypt and authenticate an SRTP or SRTCP data packet a new IV is used. SRTP combines the 4-octet synchronization source (SSRC) identifier, the 4-octet rollover counter (ROC), and the 2-octer sequence number(SEQ) with the 12-octet encryptions salt to form a 12-octet IV (see section 9.1).=20 SRTCP combines the SSRC and 31-bit SRTCP index with the encryption salt to form a 12-octet IV (see section 10.1).=20 >=20 > 4) Section 6. > In both GCM and CCM, each outbound packet uses a 12-octet IV and an > encryption key to form two outputs, a 16-octet first_key_block which > is used informing the authentication tag and keystream of octets > which is XORed to the plaintext to form cipher. >=20 > I guess "informing" should be "in forming"? Is a "the" needed before > "keystream"? Mea culpe, changed for sake of correctness. >=20 > 5) Section 6: > When GCM is used, the concatenation of a 12-octet IV, with a 4-octet > block counter forms the input to AES. This is used to build a > key_stream as follows: >=20 When GCM is used, the concatenation of the 12-octet IV (see sections 9.1 and 10.1) with the 4-octet block counter forms the input to AES.=20 This is used to build a key_stream as follows: > Please add a forward pointer to where the IV is defined. >=20 > 6) Section 6, page 7: The example code, is clearly not full code, but > does it allow usage of some commonly available code? If so I think the > authors needs to consider if they can offer this code as "Code > component" following the IPR license from the trust for Code > Components. Aside from the truncate operation and defining an AES_ENC routine, this is executable python code. Python's truncate notation is a tad obscure= ,=20 so I chose to use keystream =3D truncate(( key_stream, len(Plaintext) )=20 rather than Prython's keystream =3D keystream[:len(Plaintext)] It's really intended to be pseudo-code.=20 > Please see: > http://trustee.ietf.org/license-info/ >=20 > 7. Section 6, > These keystream generation processes allows for a keystream of > length > of up to (2^24)-16 octets for AES-CCM and up to (2^36)-32 octets for > AES-GCM. >=20 > I wonder if the decimal values should be included in the above sentence > to ease for humans. >=20 I'd prefer to stick with this definition. Using the decimal expansion just opens up the possibility of someone mistyping and putting the wrong=20 decimal value into their code > 8. Section 8.1. SRTP/SRTCP Authentication Field >=20 > I think this section is attempting the wrong approach to this issue. > First of all as the algorithms include authentication I think they > fulfill the mandates from SRTP on requiring authentication on RTCP. > Secondly, I think the right approach to deal with the issue that you > have no data is to have the algorithms define there usage of the > authentication tag to be zero length. All the defined algorithm > identifiers includes both key lengths and auth tag lengths. Thus > writing > this as "SHOULD NOT" is very strange, as all the other CIPHERS include > the encryption + authentication with one ID. This one is no different. >=20 > This would then have implications on Section 9.2, 10.3, etc which > mentions this field. >=20 The issue isn't that we aren't using authentication, but rather that the authentication is integrated into the cipher and is not located=20 in the field provided for it by SRTP/SRTCP. > 9. Section 9.2 and 9.3: please consider to use some separator between > the defined term and the definition, like: >=20 > Counter Management: A rekey MUST be performed to establish a new > master key before the (ROC,SEQ) pair cycles > back > to its original value. Good idea. Done. >=20 > 10. Section 9.3: > SSRC Management The set of all SSRC values must be partitioned > into disjoint pools, one pool for each endpoint > using the master key to originate outbound > data. Each such endpoint MUST only issue SSRC > values from the pool it has been assigned. > Further, each endpoint MUST maintain a history > of outbound SSRC identifiers that it has issued > within the lifetime of the current master key, > and when a new synchronization source requests > an SSRC identifier it MUST NOT be given an > identifier that has been previously issued. A > rekey MUST be performed before its pool of SSRC > values is exhausted. >=20 > I wonder if one should specifically discuss the cases where each > end-point has its own master key and thus can use any SSRC value from a > crypto perspective. This clearly apply to Security Description and > DTLS-SRTP. Hmm, I thought the text made it clear that SSRC reuse is only a problem between endpoints using the same master key to originate data. Reading it=20 over, I can see where this point might not be as clear as I had thought. =20 I'm mulling over how to phrase this point more clearly. >=20 > 11. Section 10.1: >=20 > 0 1 2 3 4 5 6 7 8 9 10 11 > +--+--+--+--+--+--+--+--+--+--+--+--+ > |00|00| SSRC |00|00|0+SRTCP Idx|---+ > +--+--+--+--+--+--+--+--+--+--+--+--+ | > | > +--+--+--+--+--+--+--+--+--+--+--+--+ | > | Encryption Salt |->(+) > +--+--+--+--+--+--+--+--+--+--+--+--+ | > | > +--+--+--+--+--+--+--+--+--+--+--+--+ | > | Initialization Vector |<--+ > +--+--+--+--+--+--+--+--+--+--+--+--+ >=20 >=20 > Please clarify in this figure and text above that the Salt is the one > derived for the SRTCP. >=20 Done. Diagrams now have SRTP Encryption Salt and SRTCP Encryption Salt. > 12. Section 10.1: >=20 > Using the terminology of section 8.2.1. of [GCM], the first eight > octets of the IV are the fixed field and the last four octets are > the > invocation field. >=20 > As I haven't look at the ref, this might be correct. But compared to > the > definition of Invocation in Section 3: >=20 > Invocation SRTP/SRTCP data streams are broken into packets. > Each packet is processed by a single invocation > of > the appropriate instantiation of the AEAD > algorithm. >=20 > This can't be correct. As an end-point can use multiple SSRC > simultaneously, it looks like the SSRC should be considered an > Invocation field, or? >=20 This is an effort to harmonize with NIST's documentation on AES-GCM, where the input to AES consists of three fields: a fixed field, an invocation field, and a block counter field. It would have been clearer if NIST had used the name "invocation counter field" rather than "invocation field". In SRTP, 0x0000 || SSRC XORed with the first=20 6-octets of the SRTP Salt form the fixed field, ROC || SEQ XORed wit the last 6-octets of the SRTP salt form the invocation field, and the block-counter provides the last 4 bytes of the AES input. In SRTCP, 0x0000 || SSRC || 0x0000 XOR first 8 bytes of the SRTCP Salt are the=20 fixed field, and the invocation field is the SRTCP index (padded out with a single "0" bit in the msb) XOR last 4 octets of the SRTCP salt form the invocation field. =20 I can add language to sections 9.1 and 10.1 to explain this more fully. Alternatively, since only a handful of us crypto-geeks would care about=20 this point, I can just drop any attempt to match this up to NIST's notation. The latter is easier & in the long run probably less confusing. . =20 > 13. Section 11.1: >=20 > The lower bound on C_MAX is obtained by subtracting > away a 20-octet IP header, 8-octet UDP header, and 12-octet RTP > header from the maximum transmission unit (MTU) of 2272. >=20 > Who's MTU is 2272? Considering SRTP I don't think there is any > definition of "THE MTU" as stated in the above sentence. I'll have to defer to my co-author on this point. >=20 > 14. Section 11.3 >=20 > In addition to the flag octet used in counter node encryptionn, > AES-CCM authentications also useus a flag octet that conveys > information about the length of the authentication tag, length of > the > block counter, and presence of additional authenticated data (see > section 2.2 of [RFC 3610]). >=20 > "counter node encryption" I guess this should be "mode" Nea culpa. Text corrected. >=20 > 15. Section 14.2: >=20 > AEAD_AES_128_CCM_8 > cipher: AES_128_CCM > cipher_key_length: 128 bits > cipher_salt_length: 96 bits > maximum lifetime: at most 2^31 SRTCP packets and > at most 2^48 SRTP packets >=20 > Shouldn't this read for cipher: AES_128_CCM_8? You suggest losing the AEAD prefix? My motivation was that by keeping it, it would be immediately obvious that the=20 authentication is integral to the cipher, rather than being in the authentication field allocated by SRTP/SRTCP. I'm willing to remove the AEAD prefix if that is the consensus. >=20 > Same errors exist for all the shorter tag lengths. >=20 > 16. > AEAD_AES_128_CCM > cipher: AES_128_CCM > cipher_key_length: 128 bits > cipher_salt_length: 96 bits > maximum lifetime: at most 2^31 SRTCP packets and > at most 2^48 SRTP packets >=20 > Shouldn't these definition include the following values also: >=20 > auth_function: NULL > auth_key_length: 0 > auth_tag_length: 0 > > Thus completing the definitions that you are not using the regular > authentication tag length? >=20 > That was all. >=20 Is the auth_function really NULL, or is it AES-GCM/CCM? I'm willing to go whichever way folks feel is clearer. I'm leaning toward following your suggestion. > I think there is some few issues that absolutely must be sorted out > before publishing this document. But I think it is in fairly good > shape. > I would expect a second WG last call on the changes before we proceed. > But lets start with discussing the changes. >=20 > Cheers >=20 > Magnus Westerlund >=20 > ---------------------------------------------------------------------- > Multimedia Technologies, Ericsson Research EAB/TVM > ---------------------------------------------------------------------- > Ericsson AB | Phone +46 10 7148287 > F=E4r=F6gatan 6 | Mobile +46 73 0949079 > SE-164 80 Stockholm, Sweden| mailto: magnus.westerlund@ericsson.com > ---------------------------------------------------------------------- From alcasol@posgrado.upv.es Sun Jan 27 03:17:16 2013 Return-Path: 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 0AF8621F8468 for ; Sun, 27 Jan 2013 03:17:16 -0800 (PST) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -4.599 X-Spam-Level: X-Spam-Status: No, score=-4.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, GB_I_INVITATION=-2] Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id OzMQLLtCpBjT for ; Sun, 27 Jan 2013 03:17:15 -0800 (PST) Received: from marfik.cc.upv.es (smtpsal1.cc.upv.es [158.42.249.61]) by ietfa.amsl.com (Postfix) with ESMTP id 4BBC221F8462 for ; Sun, 27 Jan 2013 03:17:15 -0800 (PST) Received: from smtpx.upv.es (smtpxv.cc.upv.es [158.42.249.46]) by marfik.cc.upv.es (8.13.6/8.13.6) with ESMTP id r0RBHEIj018662 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sun, 27 Jan 2013 12:17:14 +0100 Received: from smtp.upv.es (celaeno.cc.upv.es [158.42.249.55]) by smtpx.upv.es (8.14.3/8.14.3) with ESMTP id r0RBHEZh007953 for ; Sun, 27 Jan 2013 12:17:14 +0100 Received: from JLLORET (pptp242-109.vpns.upv.es [158.42.242.109]) by smtp.upv.es (8.13.6/8.13.6) with SMTP id r0RBHDOs031326 for ; Sun, 27 Jan 2013 12:17:13 +0100 Date: Sun, 27 Jan 2013 12:17:13 +0100 Message-Id: <201301271117.r0RBHDOs031326@smtp.upv.es> From: Alejandro Canovas Solbes To: avt@ietf.org CC: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailman-Approved-At: Sun, 27 Jan 2013 05:37:00 -0800 Subject: [AVTCORE] Last Days: CONTENT 2013 || May 27 - June 1, 2013 - Valencia, Spain X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Jan 2013 11:17:16 -0000 INVITATION: ================= Please consider to contribute to and/or forward to the appropriate groups the following opportunity to submit and publish original scientific results to CONTENT 2013. The submission deadline is January 29, 2013. Authors of selected papers will be invited to submit extended article versions to one of the IARIA Journals: http://www.iariajournals.org ================= ============== CONTENT 2013 | Call for Papers =============== CALL FOR PAPERS, TUTORIALS, PANELS CONTENT 2013, The Fifth International Conference on Creative Content Technologies May 27 - June 1, 2013 - Valencia, Spain General page: http://www.iaria.org/conferences2013/CONTENT13.html Call for Papers: http://www.iaria.org/conferences2013/CfPCONTENT13.html - regular papers - short papers (work in progress) - posters Submission page: http://www.iaria.org/conferences2013/SubmitCONTENT13.html Submission deadline: January 29, 2013 Sponsored by IARIA, www.iaria.org Extended versions of selected papers will be published in IARIA Journals: http://www.iariajournals.org Print proceedings will be available via Curran Associates, Inc.: http://www.proceedings.com/9769.html Articles will be archived in the free access ThinkMind Digital Library: http://www.thinkmind.org Please note the Poster and Work in Progress options. The topics suggested by the conference can be discussed in term of concepts, state of the art, research, standards, implementations, running experiments, applications, and industrial case studies. Authors are invited to submit complete unpublished papers, which are not under review in any other conference or journal in the following, but not limited to, topic areas. All tracks are open to both research and industry contributions, in terms of Regular papers, Posters, Work in progress, Technical/marketing/business presentations, Demos, Tutorials, and Panels. Before submission, please check and conform with the Editorial rules: http://www.iaria.org/editorialrules.html CONTENT 2013 Topics (topics and submission details: see CfP on the site) BASICS: Content producers/distributors Product-innovation and creative content platforms; Creative processes; Product and content innovation; Knowledge representation for content creativity; Content injection, cashing, storage, and distribution; Producing and transmitting streaming content; Content localization services; Content and customers profiles; Documenting and content authoring; Authorizing topic-based content; Content customization and metadata; On-demand content; Content retrieval from archives (alarm-based, time stamp-based); Content management solutions and systems; Unstructured content environment; Multi-channel content delivery/publishing strategies; Content reuse WEBCONTENT: Web content Architectures and frameworks for Web content ; Web content mining; Content retrieval on multimedia Web; XML and non-XML Web content; Ontology and semantic for processing Web content; Recommenders for Web content; Content-driven workflow design and management; Web content performance, accuracy, security, and reliability; Web content modeling; Web content-based applications SOCIAL: Tools for producing and handling social content On-line content; Games technologies; Multi-user and mono-user games; For-kids contents and programs; Social content and tools (YouTube, FaceBook, etc.); Open portals (e-Democracy, e-Health, etc.); Email lists challenges (membership, spamming, etc.); Virtual social communities; Hybrid real and virtual reality technologies GRAPHICS: 3D Graphics Interactive 3D graphics; High-performance 3D graphics; Mixed and augmented reality; Interactive on-line gaming; Animated humanoids and complex reactive characters; 3D documents and web/multimedia; User-interface for real-time 3D graphics and virtual environments; Innovative 3D web applications /industry, science, medicine, technology, culture/; 3D content creation technologies and tools; Interactive 3D graphics for mobile devices ANIMA: Animation/cinematography Computer animation; Computational cinematography; Virtual videography; Autonomous interactive characters; Traditional animation and 3D computer animation; Re-cinematography; Casual video; Cinematography; Image stabilization; Virtual Cinematography; Relighting through computation MEDIMA: Medical image producing, transmission and management Medical image devices, mechanisms and procedures; Medical imaging systems; Medical image capture and processing; Feature extraction and pattern recognition; Matching and computing anatomical atlases; Surface and volume registration; Medical image analysis (static and motion analysis); Medical image analysis (functional, metabolic); Multi-modal image analysis; Image segmentation; Multidimensional data visualization; Statistical methods (population-based analysis); Image guided diagnosis, surgery and therapy; Medical image transmission and storage (protocols, databases) AUDIO: Audio producing, transmission and management Audio transmission and reception systems and devices; Digital audio transmission signal processing; Audio transmission over Internet; Audio Multiplexing Transmission Systems; Stereo audio transmission signal; Digital infrared audio transmission; Multi-stream and multi-path audio transmission; Wireless-compressed digital audio transmission; Perceptual coding for audio; Transmission and storage; Laser audio transmission; Synchronizing video and audio transmission; Wide-band audio transmission; Index-frame audio transmission; Digital audio transmission rights; Noise in wireless audio transmission; Audio tools and products; Standards DATA: Data transmission and management Data transmission and reception mechanisms and techniques; Enhanced tools for video data integrity; Data mining, filtering, and reporting; Secure data transmission; Transmission media and data encoding; Text reading devices (super-pen, pen-elite, reading-pen); Scanned and generated lossy (progressive) multi-page text; (Visually) lossless mechanisms; Pricing data transmission; Differential data transmission systems; Data transmission equipments and transmission rates; Delay-constrained data transmission; Undersea and satellite data transmission techniques; Performance evaluation of data transmission; Multicast data transmission; High speed data transmission; Data transmission control; Integrity and privacy in data transmission; Data transmission standards VOICE: Voice producing, transmission and management Planning and implementing voice networks and systems; Voice transmission systems; Voice transmission performance; Quality real-time voice transmission; Metrics for quality of voice transmission; Stereophonic voice transmission systems; Header compression for VoIP over WLAN; Voice over IP solution for mobile radio interoperability; VoIP over cable TV networks; VoIP over Wi-Max; WiFi and cellular dual mode phones and services; Voice over WLANs and Wi-Fi to cellular roaming; Voice transmission via the Internet; Wi-Fi voice transmission; Bluetooth-based Ad-Hoc networks for voice transmission; Standards for voice processing and transmission VIDEO: Coding/Transmission/Processing Video coding standards (H.264, SMPTE 421M, AVS-China); Video coders and decoders; Video surveillance and privacy; Network video recorders; Video streaming; Video data integrity (error detection, error resilience, error concealment, tamper resistance); Motion detection, object tracking; Distributed video coding; Video quality assessment; Omnidirectional video; 3D video IMAGE: Image producing, transmission and management Model-based progressive image transmission; Wireless image transmission; Computer generated images; Image security, scrambling, and regions of interest; Timing requirements for image transmission; Transmission of still and moving images; Protocols for low bit rate; Error-prone image transmission; Energy efficient image transmission; Multi-technology image formation; Devices for image capturing and processing (cams, web-cams, etc.); Scanning and sampling, quantization and halftoning, color reproduction; Image representation and rendering, display and printing systems; Image quality assessment; Image search and sorting, video indexing and editing; Integration of images and video with other media; Image authentication and watermarking; Image storage, retrieval and multimedia; Image and video databases; Generic coding of moving pictures; Media stream packetization; Modes for archival playback; Image-based applications; Standard for image processing; Image analysis and segmentati! on; Image filtering, restoration an d enhancement; Image representation and modeling; Pattern recognition SPEECH: Speech producing, transmission and management Tooling, architectures, components and standards; Voice modulation, frequencies; Linguistics, phonology and phonetics; Discourse and dialogue; Speech analysis, synthesis, coding, and recognition; Speech enhancement and noise reduction; Speech features, production, and perception; Speech coding and transmission; Speech signal processing; Spoken language generation and synthesis; Speech QoS enhancement; Speaker characterization and recognition; Spoken language resources and annotation; Spoken/Multi-modal dialogue technology and systems; Spoken language information extraction/retrieval; Speech transmission technology for the aged and disabled; Audio-visual speech processing; Biomedical applications of speech analysis; Spoken document retrieval; Speech processing in a packet network environment; Automatic speech recognition in the context of mobile communications; Human factors in speech and communication systems; Automatic speech recognition and understanding technology; Speech! to text systems; Spoken dialog sys tems; Multilingual language processing; New applications of spoken language technology and systems ------------------------- Committee: http://www.iaria.org/conferences2013/ComCONTENT13.html ================================================ From Bart.DeDecker@cs.kuleuven.be Tue Jan 29 09:39:31 2013 Return-Path: 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 9277F21F8868; 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(A_Good_MTA/8.14.3/Debian-9.1ubuntu1) with ESMTP id r0THcvAu020576 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 29 Jan 2013 18:38:59 +0100 Message-ID: <51080937.6060200@cs.kuleuven.be> Date: Tue, 29 Jan 2013 18:39:03 +0100 From: Bart De Decker User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130107 Thunderbird/17.0.2 MIME-Version: 1.0 To: ietf-privacy@ietf.org, saag@ietf.org, secdir@ietf.org, mip4@ietf.org, avt@ietf.org, manet@ietf.org Content-Type: multipart/mixed; boundary="------------010408090809090609020007" X-Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm X-Scanned-By: MIMEDefang 2.67 on 134.58.40.2 X-Mailman-Approved-At: Wed, 30 Jan 2013 08:23:01 -0800 Subject: [AVTCORE] CfP: Communications and Multimedia Security (CMS'2013) X-BeenThere: avt@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Audio/Video Transport Core Maintenance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jan 2013 08:51:11 -0000 This is a multi-part message in MIME format. --------------010408090809090609020007 Content-Type: multipart/alternative; boundary="------------020103020305030907050109" --------------020103020305030907050109 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Content-Disposition: inline [Apologies if you receive multiple copies of this CfP.] ------------------------------------------------------------------------ C M S 2 0 1 3 14th Conference in the "Communications and Multimedia Security" September 25-26, 2013, Magdeburg, Germany http://www.cms2013.de ------------------------------------------------------------------------ Important Deadlines ------------------- Paper/poster submission: *15th of April 2013* Acceptance notification: 3rd of June 2013 Camera-ready papers due: 18th of June 2013 Conference: 25th and 26th of Sep 2013 Enclosed you'll find the Call-for-papers for CMS'2013. We look forward to your participation. The submission deadline is 15th of April 2013. Could you also forward this CfP to appropriate researchers? Thank you and best regards, Jana Dittmann Claus Vielhauer Bart De Decker co-chairs CMS'2013 ------------------------------------------------------------------------ 14th Joint IFIP TC6 and TC11 Conference on Communications and Multimedia Security -- CMS'2013 September 25-26, 2013, Magdeburg, Germany CMS'2013 is the 14th Conference in the "Communications and Multimedia Security" series. The series is a joint effort of IFIP Technical Committees TC6 (Communication Systems) and TC11 (Security and Protection in Information Processing Systems). The conference provides a forum for engineers and scientists in information security. Both state-of-the-art issues and practical experiences as well as new trends in these areas will be once more the focus of interest just like at preceding conferences. The conference will address in particular security and privacy issues in mobile contexts, web services (including social networking) and ubiquitous environments. We solicit papers describing original ideas and research results on topics that include, but are not limited to: applied cryptography, biometrics, forensics, secure documents and archives, multimedia systems security, digital watermarking, distributed DRM policies, attack resistant rndering engines, adaptive anomaly detection, censorship resistance, risk management, mobility and security/privacy, mobile identities, privacy enhanced identity management, security/privacy policies and preferences, social networks security/privacy, security/privacy in geo-localized applications, security/privacy in VoIP`, security policies (including usage control), web services security, economics of network and information security (NIS), SOA security, ubiquitous and ambient computing security, cloud computing security/privacy, wireless and ad hoc network security, RFID tags and (multimedia) sensor nodes security, security technology effectiveness, incentivizing security The proceedings will be published by Springer. To submit a paper or a poster, visit the conference web site atwww.cms2013.de Important dates: *Paper/poster submission*: *15th of April 2013* Acceptance notification: 3rd of June 2013 Camera-ready papers due: 18th of June 2013 Conference Chair: Bart De Decker, KU Leuven, Belgium Organizing Committee Chair: Jana Dittmann, Otto-von-Guericke University Magdeburg, Germany Program Committee Chair: Claus Vielhauer, Brandenburg University of Applied Sciences, Germany Proceedings Chair: Christian Krätzer Local Proceedings Committee: Tobias Scheidat, Eric Clausing Local Technical Organizing Chair: Stefan Kiltz Local Technical Organization Committee: Silke Reifgerste, Christian Arndt, Jennifer Sturm Instructions for authors: The conference will comprise two refereed paper tracks: the Research track and the Industry/Government/Work-in-progress track, as well as a poster session, all of them being presented in a single stream. Paper submissions for the Research track must be written in English, formatted in the conference style (limited to 14 pages, see the conference web site for a style template and submission instructions). The paper must be anonymous, with no author names, affiliations, acknowledgements, or obvious references. Authors are requested to submit original papers only. Papers that have previously been published and papers that are currently being considered for publication by another journal or conference are not eligible. Each paper must include a short abstract and a list of keywords indicating subject classification. Its introduction should summarize the contributions of the paper at a level appropriate for a non-specialist reader. Paper submissions for the Industry/Government/Work-in-progress track are limited to 8 pages (see also conference website for the instructions). These papers highlight applications or present work-in-progress. They should also address challenges, lessons learned or research issues arising out of --both successful and unsuccessful- deployment of such applications. Note, however, that sufficient technical content is required. For Poster submissions, a title and an abstract (max 2 pages) is required. Accepted posters will be published in the proceedings as extended abstracts. Special Session are planned to be organized for Biometrics and Forensics. All paper will go through the normal paper review. All submitted papers will be refereed by members of the Programme Committee for correctness, originality, relevance to the conference and quality of presentation. Acceptance of a paper or poster means an obligation for at least one of the authors to attend the conference and present the paper or poster. The most outstanding research paper, presented at the conference, will receive a "Best paper award". Conference Website:www.cms2013.de ------------------------------------------------------------------------ Programme Committee: Anas Abou El Kalam, UCA-ENSA, Marrakesh, Morocco; Eric Alata, LAAS-CNRS, France; Patrick Bas, CNRS - Laboratoire d'Automatique, GénieInformatique et Signal, France; David W. Chadwick, University of Kent, UK; Howard Chivers, The University Of York, UK; Isabelle Chrisment, LORIA-University of Nancy, France; Gabriela Ciocarlie, Computer Science Lab, SRI International, USA; Frédéric Cuppens, Télécom Bretagne, France; Italo Dacosta, KU Leuven, Belgium; Sabrina De Capitani di Vimercati, Università degli Studi di Milano, Italy; Bart De Decker, KU Leuven, Belgium; Lieven De Strycker, Katholieke Hogeschool Sint-Lieven, Belgium; Hervé Debar, Télécom SudParis, France; Yvo Desmedt, University of Texas at Dallas, USA and University College London, UK; Jana Dittmann, University of Magdeburg, Germany; Stelios Dritsas, Athens University of Economics and Business, Greece; Gerhard Eschelbeck, Sophos, USA; Simone Fischer-Huebner, Karlstad University, Sweden; Teddy Furon, INRIA Rennes - Bretagne Atlantique, France; Jürgen Fuß, University of Applied Sciences Upper Austria,Hagenberg, Austria; Sebastien Gambs, Université de Rennes 1 - INRIA / IRISA, France; Christian Geuer-Pollmann, Microsoft Research, Germany; Dieter Gollmann, Hamburg University of Technology, Germany; Jean Hennebert, University of Applied Sciences, HES-SO, Switzerland; Eckehard Hermann, University of Applied Sciences Upper Austria,Hagenberg, Austria; Jens Hermans, KU Leuven, Belgium; Andreas Humm, University of Fribourg, Switzerland; Edward Humphreys, XiSEC, UK; Christophe Huygens, KU Leuven, Belgium; Witold Jacak, University of Applied Sciences Upper Austria, Hagenberg, Austria; Sushil Jajodia, George Mason University, USA; Guenter Karjoth, IBM Research - Zurich, Switzerland; Stefan Katzenbeisser, TU Darmstadt, Germany; Markulf Kohlweiss, Microsoft Research Cambridge, UK; Romain Laborde, Institut de Recherche en Informatique de Toulouse (IRIT), France; Jorn Lapon, Katholieke Hogeschool Sint-Lieven, Belgium; Herbert Leitold, Secure Information Technology Center (A-SIT), Austria; Javier Lopez, University of Malaga, Spain; Louis Marinos, European Network and Information Security Agency (ENISA), Greece; Keith Martin, Royal Holloway, University of London, UK; Chris Mitchell, Royal Holloway, University of London, UK; Refik Molva, Eurécom, France; Yuko Murayama, Iwate Prefectural University, Japan; Vincent Naessens, Katholieke Hogeschool Sint-Lieven, Belgium; Nick Nikiforakis, KU Leuven, Belgium; Chandrasekaran Pandurangan, Indian Institute of Technology, Madras, India; Günther Pernul, University of Regensburg, Germany; Alessandro Piva, University of Florence, Italy; Franz-Stefan Preiss, IBM Research Zurich, Switzerland; Jean-Jacques Quisquater, Université catholique de Louvain, Belgium; Kai Rannenberg, Goethe University Frankfurt, Germany; Pierangela Samarati, Università degli Studi di Milano, Italy; Riccardo Scandariato, KU Leuven, Belgium; Ingrid Schaumüller-Bichl, University of Applied Sciences Upper Austria, Hagenberg, Austria; Jörg Schwenk, Ruhr University Bochum, Germany; Stefaan Seys, KU Leuven, Belgium; Einar Snekkenes, Gjovik University College, Norway; Andreas Uhl, University of Salzburg, Austria; Umut Uludag, Scientific and Technological Research Council (TÜBITAK), Turkey; Vijay Varadharajan, Macquarie University, Australia; Pedro Veiga, University of Lisbon; Claus Vielhauer, Brandenburg University of Applied Sciences, Germany; Tatjana Welzer, University of Maribor, Slovenia; Andreas Westfeld, University of Applied Sciences, Dresden, Germany; Ted Wobber, Microsoft Research Silicon Valley, US; Shouhuai Xu, University of Texas at San Antonio, USA; Moti Yung, Google & Columbia University, USA; Ge Zhang, Clavister AB & Karlstad University, Sweden; Gansen Zhao, South China Normal University, China Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm --------------020103020305030907050109 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline 
[Apologies if you receive multiple copies of this CfP.]

                    C M S  2 0 1 3

14th Conference in the "Communications and Multimedia Security"

      September 25-26, 2013, Magdeburg, Germany

             	http://www.cms2013.de



Important Deadlines
-------------------
Paper/poster submission:	15th of April 2013
Acceptance notification:	3rd of June 2013
Camera-ready papers due:	18th of June 2013
Conference:			25th and 26th of Sep 2013


Enclosed you'll find the Call-for-papers for CMS'2013.

We look forward to your participation. The submission deadline
is 15th of April 2013.

Could you also forward this CfP to appropriate researchers?

Thank you and best regards,

Jana Dittmann
Claus Vielhauer
Bart De Decker
co-chairs CMS'2013


 
14th  Joint IFIP TC6 and TC11 Conference on
Communications and Multimedia Security -- CMS'2013
September  25-26, 2013, Magdeburg, Germany

CMS'2013 is the 14th Conference in the “Communications and Multimedia
Security" series. The series is a joint effort of IFIP Technical
Committees TC6 (Communication Systems) and TC11 (Security and Protection
in Information Processing Systems). The conference provides a forum for
engineers and scientists in information security. Both state-of-the-art
issues and practical experiences as well as new trends in these areas
will be once more the focus of interest just like at preceding
conferences. The conference will address in particular security and
privacy issues in mobile contexts, web services (including social
networking) and ubiquitous environments.

We solicit papers describing original ideas and research results on
topics that include, but are not limited to: applied cryptography,
biometrics, forensics, secure documents and archives, multimedia systems
security, digital watermarking, distributed DRM policies, attack
resistant rndering engines, adaptive anomaly detection, censorship
resistance, risk management, mobility and security/privacy, mobile
identities, privacy enhanced identity management, security/privacy
policies and preferences, social networks security/privacy,
security/privacy in geo-localized applications, security/privacy in
VoIP`, security policies (including usage control), web services
security, economics of network and information security (NIS), SOA
security, ubiquitous and ambient computing security, cloud computing
security/privacy, wireless and ad hoc network security, RFID tags and
(multimedia) sensor nodes security, security technology effectiveness,
incentivizing security

The proceedings will be published by Springer. To submit a paper or a
poster, visit the conference web site at www.cms2013.de

Important dates:
Paper/poster submission:		15th of April 2013
Acceptance notification:		3rd of June 2013
Camera-ready papers due:		18th of June 2013

Conference Chair: Bart De Decker, KU Leuven, Belgium

Organizing Committee Chair: Jana Dittmann, Otto-von-Guericke University
Magdeburg, Germany

Program Committee Chair: Claus Vielhauer, Brandenburg University of
Applied Sciences, Germany

Proceedings Chair: Christian Krätzer
Local Proceedings Committee: Tobias Scheidat, Eric Clausing

Local Technical Organizing Chair: Stefan Kiltz
Local Technical Organization Committee: Silke Reifgerste, Christian
Arndt, Jennifer Sturm

Instructions for authors:

The conference will comprise two refereed paper tracks: the Research
track and the Industry/Government/Work-in-progress track, as well as a
poster session, all of them being presented in a single stream.

Paper submissions for the Research track must be written in English,
formatted in the conference style (limited to 14 pages, see the
conference web site for a style template and submission instructions).
The paper must be anonymous, with no author names, affiliations,
acknowledgements, or obvious references. Authors are requested to submit
original papers only. Papers that have previously been published and
papers that are currently being considered for publication by another
journal or conference are not eligible.
Each paper must include a short abstract and a list of keywords
indicating subject classification. Its introduction should summarize the
contributions of the paper at a level appropriate for a non-specialist
reader.

Paper submissions for the Industry/Government/Work-in-progress track are
limited to 8 pages (see also conference website for the instructions).
These papers highlight applications or present work-in-progress. They
should also address challenges, lessons learned or research issues
arising out of –both successful and unsuccessful- deployment of such
applications. Note, however, that sufficient technical content is required.

For Poster submissions, a title and an abstract (max 2 pages) is
required. Accepted posters will be published in the proceedings as
extended abstracts.

Special Session are planned to be organized for Biometrics and
Forensics. All paper will go through the normal paper review.

All submitted papers will be refereed by members of the Programme
Committee for correctness, originality, relevance to the conference and
quality of presentation. Acceptance of a paper or poster means an
obligation for at least one of the authors to attend the conference and
present the paper or poster.

The most outstanding research paper, presented at the conference, will
receive a "Best paper award".

Conference Website: www.cms2013.de


Programme Committee:

Anas Abou El Kalam, UCA-ENSA, Marrakesh, Morocco; 
Eric Alata, LAAS-CNRS, France; 
Patrick Bas, CNRS - Laboratoire d'Automatique, GénieInformatique et Signal, France; 
David W. Chadwick, University of Kent, UK; 
Howard Chivers, The University Of York, UK; 
Isabelle Chrisment, LORIA-University of Nancy, France; 
Gabriela Ciocarlie, Computer Science Lab, SRI International, USA; 
Frédéric Cuppens, Télécom Bretagne, France;
Italo Dacosta, KU Leuven, Belgium; 
Sabrina De Capitani di Vimercati, Università degli Studi di Milano, Italy; 
Bart De Decker, KU Leuven, Belgium; 
Lieven De Strycker, Katholieke Hogeschool Sint-Lieven, Belgium;
Hervé Debar, Télécom SudParis, France; 
Yvo Desmedt, University of Texas at Dallas, USA and University College London, UK; 
Jana Dittmann, University of Magdeburg, Germany; 
Stelios Dritsas, Athens University of Economics and Business, Greece; 
Gerhard Eschelbeck, Sophos, USA; 
Simone Fischer-Huebner, Karlstad University, Sweden; 
Teddy Furon, INRIA Rennes - Bretagne Atlantique, France; 
Jürgen Fuß, University of Applied Sciences Upper Austria,Hagenberg, Austria; 
Sebastien Gambs, Université de Rennes 1 - INRIA / IRISA, France; 
Christian Geuer-Pollmann, Microsoft Research, Germany; 
Dieter Gollmann, Hamburg University of Technology, Germany; 
Jean Hennebert, University of Applied Sciences, HES-SO, Switzerland; 
Eckehard Hermann, University of Applied Sciences Upper Austria,Hagenberg, Austria; 
Jens Hermans, KU Leuven, Belgium; 
Andreas Humm, University of Fribourg, Switzerland; 
Edward Humphreys, XiSEC, UK;
Christophe Huygens, KU Leuven, Belgium; 
Witold Jacak, University of Applied Sciences Upper Austria, Hagenberg, Austria; 
Sushil Jajodia, George Mason University, USA; 
Guenter Karjoth, IBM Research - Zurich, Switzerland; 
Stefan Katzenbeisser, TU Darmstadt, Germany; 
Markulf Kohlweiss, Microsoft Research Cambridge, UK; 
Romain Laborde, Institut de Recherche en Informatique de Toulouse (IRIT), France; 
Jorn Lapon, Katholieke Hogeschool Sint-Lieven, Belgium; 
Herbert Leitold, Secure Information Technology Center (A-SIT), Austria; 
Javier Lopez, University of Malaga, Spain; 
Louis Marinos, European Network and Information Security Agency (ENISA), Greece; 
Keith Martin, Royal Holloway, University of London, UK; 
Chris Mitchell, Royal Holloway, University of London, UK;
Refik Molva, Eurécom, France; 
Yuko Murayama, Iwate Prefectural University, Japan; 
Vincent Naessens, Katholieke Hogeschool Sint-Lieven, Belgium; 
Nick Nikiforakis, KU Leuven, Belgium; 
Chandrasekaran Pandurangan, Indian Institute of Technology, Madras, India; 
Günther Pernul, University of Regensburg, Germany; 
Alessandro Piva, University of Florence, Italy; 
Franz-Stefan Preiss, IBM Research Zurich, Switzerland; 
Jean-Jacques Quisquater, Université catholique de Louvain, Belgium; 
Kai Rannenberg, Goethe University Frankfurt, Germany;
Pierangela Samarati, Università degli Studi di Milano, Italy; 
Riccardo Scandariato, KU Leuven, Belgium; 
Ingrid Schaumüller-Bichl, University of Applied Sciences Upper Austria, Hagenberg, Austria; 
Jörg Schwenk, Ruhr University Bochum, Germany; 
Stefaan Seys, KU Leuven, Belgium; 
Einar Snekkenes, Gjovik University College, Norway; 
Andreas Uhl, University of Salzburg, Austria; 
Umut Uludag, Scientific and Technological Research Council (TÜBITAK), Turkey; 
Vijay Varadharajan, Macquarie University, Australia; 
Pedro Veiga, University of Lisbon;
Claus Vielhauer, Brandenburg University of Applied Sciences, Germany; 
Tatjana Welzer, University of Maribor, Slovenia;
Andreas Westfeld, University of Applied Sciences, Dresden, Germany; 
Ted Wobber, Microsoft Research Silicon Valley, US; 
Shouhuai Xu, University of Texas at San Antonio, USA; 
Moti Yung, Google & Columbia University, USA; 
Ge Zhang, Clavister AB & Karlstad University, Sweden; 
Gansen Zhao, South China Normal University, China

Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm for more information.
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