Re: Réf. : Re: IPDVB Provisional Agenda (IETF-75)

Marie-Jose Montpetit <marie@mjmontpetit.com> Thu, 09 July 2009 10:18 UTC

Return-Path: <owner-ipdvb@erg.abdn.ac.uk>
X-Original-To: ietfarch-ipdvb-archive@core3.amsl.com
Delivered-To: ietfarch-ipdvb-archive@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id F298C3A6CE5 for <ietfarch-ipdvb-archive@core3.amsl.com>; Thu, 9 Jul 2009 03:18:25 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.718
X-Spam-Level:
X-Spam-Status: No, score=-1.718 tagged_above=-999 required=5 tests=[AWL=-0.020, BAYES_00=-2.599, HTML_MESSAGE=0.001, J_CHICKENPOX_43=0.6, MIME_8BIT_HEADER=0.3]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JlYjBBnQwvuK for <ietfarch-ipdvb-archive@core3.amsl.com>; Thu, 9 Jul 2009 03:18:24 -0700 (PDT)
Received: from erg.abdn.ac.uk (dee.erg.abdn.ac.uk [IPv6:2001:630:241:204:203:baff:fe9a:8c9b]) by core3.amsl.com (Postfix) with ESMTP id 8410E3A67E3 for <ipdvb-archive@ietf.org>; Thu, 9 Jul 2009 03:18:24 -0700 (PDT)
Received: from dee.erg.abdn.ac.uk (localhost [IPv6:::1]) by erg.abdn.ac.uk (8.13.4/8.13.4) with ESMTP id n699f37J002753 for <ipdvb-subscribed-users@dee.erg.abdn.ac.uk>; Thu, 9 Jul 2009 10:41:03 +0100 (BST)
Received: (from majordomo.lists@localhost) by dee.erg.abdn.ac.uk (8.13.4/8.12.2/Submit) id n699f3I2002752 for ipdvb-subscribed-users; Thu, 9 Jul 2009 10:41:03 +0100 (BST)
X-Authentication-Warning: dee.erg.abdn.ac.uk: majordomo.lists set sender to owner-ipdvb@erg.abdn.ac.uk using -f
Received: from mail-qy0-f171.google.com (mail-qy0-f171.google.com [209.85.221.171]) by erg.abdn.ac.uk (8.13.4/8.13.4) with ESMTP id n699edU4002734 for <ipdvb@erg.abdn.ac.uk>; Thu, 9 Jul 2009 10:40:39 +0100 (BST)
Received: by qyk1 with SMTP id 1so11755qyk.26 for <ipdvb@erg.abdn.ac.uk>; Thu, 09 Jul 2009 02:40:32 -0700 (PDT)
Received: by 10.224.60.203 with SMTP id q11mr294091qah.270.1247132431885; Thu, 09 Jul 2009 02:40:31 -0700 (PDT)
Received: from ?10.0.1.2? (c-71-234-102-55.hsd1.ma.comcast.net [71.234.102.55]) by mx.google.com with ESMTPS id 8sm4559460qwj.59.2009.07.09.02.40.30 (version=TLSv1/SSLv3 cipher=RC4-MD5); Thu, 09 Jul 2009 02:40:30 -0700 (PDT)
Message-Id: <0A2AE7AD-C041-4F02-9E18-520D4D2D1894@mjmontpetit.com>
From: Marie-Jose Montpetit <marie@mjmontpetit.com>
To: ipdvb@erg.abdn.ac.uk
In-Reply-To: <12a215a90907090026t502aea00hfc6f5c9d28869259@mail.gmail.com>
Content-Type: multipart/alternative; boundary=Apple-Mail-2935-389773728
Mime-Version: 1.0 (Apple Message framework v935.3)
Subject: =?ISO-8859-1?Q?Re:_R=E9f._:_Re:_IPDVB_Provisional_Agenda_=28IETF?= =?ISO-8859-1?Q?-75=29?=
Date: Thu, 9 Jul 2009 05:40:29 -0400
References: <OF797998BC.1AF81E9C-ONC12575EC.003461CE-C12575EC.0034C940@thalesaleniaspace.com> <0145E0FE-D6F9-449A-AA3E-CFA1B4CF00C7@mjmontpetit.com> <Pine.LNX.4.64.0907071523100.5606@krontaube.cosy.sbg.ac.at> <2FA3A0D1-0767-4B7A-8411-AD68A0D46D8B@mjmontpetit.com> <Pine.LNX.4.64.0907071709120.5606@krontaube.cosy.sbg.ac.at> <12a215a90907090026t502aea00hfc6f5c9d28869259@mail.gmail.com>
X-Mailer: Apple Mail (2.935.3)
X-ERG-MailScanner: Found to be clean, Found to be clean
Sender: owner-ipdvb@erg.abdn.ac.uk
Precedence: bulk
Reply-To: ipdvb@erg.abdn.ac.uk
X-ERG-MailScanner-From: owner-ipdvb@erg.abdn.ac.uk

I agree...
On Jul 9, 2009, at 3:26 AM, Ana Yun wrote:

> Dear all,
>
> In or understanding there are two concepts.
> - The convergence to a global IP network, the NGN concept. For this  
> we can take inputs from3GPP, ITU or TISPAN.
> - PSI/SI signalling over IP. How we could move all dvb signalling  
> over IP
>
>
> Kind regards,
> Ana
>
> 2009/7/7 Bernhard Collini-Nocker <bnocker@cosy.sbg.ac.at>
> Sure, the scope should be well-defined such that there is little or  
> no overlap.
>
>
> On Tue, 7 Jul 2009, Marie-Jose Montpetit wrote:
> No but they support all the rest of the ground infrastructure... I  
> am just saying there are valuable approaches we do not need to re- 
> invent.
>
> /mjm
> On Jul 7, 2009, at 9:25 AM, Bernhard Collini-Nocker wrote:
>
> On Tue, 7 Jul 2009, Marie-Jose Montpetit wrote:
> Do you mean a complete revamp like in clean slate or just accepting  
> that satellite networks are "just another network" and adopt  
> something done elsewhere in 3GPP or TISPAN?
>
> Perhaps I miss an important detail, but do 3GPP or TISPAN deal with  
> and/or support rx-only devices and boot-strapping of those?
>
> /mjm
>
> --Bernhard
>
> On Jul 7, 2009, at 5:36 AM, cedric.baudoin@thalesaleniaspace.com  
> wrote:
>
> Hi all
> This is a really important topic. I do agree that a complete revamp  
> of the signaling is a key point if we want to improve the  
> interoperability and to address "all IP satcom systems" (or at least  
> IP friendly ;-) )
> Best regards
> Cédric Baudoin
> <graycol.gif>Bernhard Collini-Nocker <bnocker@cosy.sbg.ac.at>
> <ecblank.gif>
> <ecblank.gif>
> Bernhard Collini-Nocker <bnocker@cosy.sbg.ac.at>
> Envoyé par : owner-ipdvb@erg.abdn.ac.uk
> 07/07/2009 09:00
> Veuillez répondre à ipdvb
> <ecblank.gif>
> Pour :  ipdvb@erg.abdn.ac.uk
> cc :    Objet : Re: IPDVB Provisional Agenda (IETF-75)
> Dear all,
> in my opinion there is a need to get rid of the transport stream
> encapsulated PSI/SI sections/tables in the second generation DVB  
> systems
> for signaling purposes, especially in those cases where only Generic
> Stream Encapsulation is being used. Essentially there are two kinds of
> signaling, one for physical link and network properties, and the other
> one for services. The latter one is well addressed by all those  
> parties
> interested in AV/TV/... over IP, whereas the first one is still delt
> with so-called backward compatibility mode (so TS encapsulated  
> signaling
> sections). Although ULE/GSE provide an extension header for carrying  
> TS
> packets, this is a suboptimal choice given that any kind of signaling
> shall support unidirectional mode of operation and boot strapping of
> rx-only devices.
> This is not to propose a solution rather than to point out that  
> there is
> standardisation work needed in this area. Whether it fits in the ipdvb
> agenda is to be discussed.
> Best wishes,
> Bernhard
> Gorry Fairhurst schrieb:
> Can I remind the group that if people think the ipdvb working group
> should continue, then they need to tell Martin and me some important
> topics that need to be addressed - please send email to us or the  
> list.
> If anyone would like to use a few slides to talk about topics that are
> important, please let me know, and we can allocate some agenda time.
> The provisional agenda is at:
> http://www.ietf.org/proceedings/09jul/agenda/ipdvb.txt
> Best wishes,
> Gorry Fairhurst
> (ipdvb Chair)
>
> Marie-Jose Montpetit
> marie@mjmontpetit.com
>
>
>
>
> Marie-Jose Montpetit
> marie@mjmontpetit.com
>
>
>

Marie-Jose Montpetit
marie@mjmontpetit.com