Re: [Mpls-interop] Who will be in Geneva?

Loa Andersson <loa@pi.nu> Tue, 02 December 2008 15:37 UTC

Return-Path: <mpls-interop-bounces@ietf.org>
X-Original-To: mpls-interop-archive@ietf.org
Delivered-To: ietfarch-mpls-interop-archive@core3.amsl.com
Received: from [127.0.0.1] (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 672D73A67AE; Tue, 2 Dec 2008 07:37:43 -0800 (PST)
X-Original-To: mpls-interop@core3.amsl.com
Delivered-To: mpls-interop@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 0C71C3A6902 for <mpls-interop@core3.amsl.com>; Tue, 2 Dec 2008 07:37:43 -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 ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Sg+fORKxcqEw for <mpls-interop@core3.amsl.com>; Tue, 2 Dec 2008 07:37:39 -0800 (PST)
Received: from neo.viciousnest.net (neo.viciousnest.net [192.71.80.124]) by core3.amsl.com (Postfix) with ESMTP id 44EF83A67AE for <mpls-interop@ietf.org>; Tue, 2 Dec 2008 07:37:39 -0800 (PST)
Received: from localhost (localhost [127.0.0.1]) by neo.viciousnest.net (Postfix) with ESMTP id 7A10F1B44B; Tue, 2 Dec 2008 16:37:34 +0100 (CET)
Received: from neo.viciousnest.net ([127.0.0.1]) by localhost (neo [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 29397-08; Tue, 2 Dec 2008 16:37:30 +0100 (CET)
Received: from [10.4.144.155] (pat.acreo.se [217.151.195.214]) by neo.viciousnest.net (Postfix) with ESMTP id 9CD7E1B407; Tue, 2 Dec 2008 16:37:30 +0100 (CET)
Message-ID: <49355632.2030203@pi.nu>
Date: Tue, 02 Dec 2008 16:37:22 +0100
From: Loa Andersson <loa@pi.nu>
User-Agent: Thunderbird 2.0.0.18 (Windows/20081105)
MIME-Version: 1.0
To: julien.meuric@orange-ftgroup.com
References: <A79C9B7D57B940FF802C8395F15E232E@your029b8cecfe> <C55A12D2.EB1D%benjamin.niven-jenkins@bt.com><43284B5A95E36B4AB4A91EBA4E0FC31EFE09F2@DEMUEXC030.nsn-intra.net><4934FCC2.7030305@chello.nl><51661468CBD1354294533DA79E85955A0148B763@XCH-SW-5V2.sw.nos.boeing.com> <79F2E2FA3D134DCA85251132D1311BA3@your029b8cecfe> <7DBAFEC6A76F3E42817DF1EBE64CB026060DE8D7@ftrdmel2>
In-Reply-To: <7DBAFEC6A76F3E42817DF1EBE64CB026060DE8D7@ftrdmel2>
X-Enigmail-Version: 0.95.7
X-Virus-Scanned: by amavisd-new at viciousnest.net
Cc: mpls-interop@ietf.org
Subject: Re: [Mpls-interop] Who will be in Geneva?
X-BeenThere: mpls-interop@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: IETF MPLS Interoperability Design Team <mpls-interop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/mpls-interop>, <mailto:mpls-interop-request@ietf.org?subject=unsubscribe>
List-Archive: <https://www.ietf.org/mailman/private/mpls-interop>
List-Post: <mailto:mpls-interop@ietf.org>
List-Help: <mailto:mpls-interop-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mpls-interop>, <mailto:mpls-interop-request@ietf.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: mpls-interop-bounces@ietf.org
Errors-To: mpls-interop-bounces@ietf.org


julien.meuric@orange-ftgroup.com wrote:
> Hello.
> 
> And a node terminating a PST would be a PSTN? ;-)

that is actually true isn't it :)

/Loa
> 
> All the same, it seems much more intuitive than TC for an IETF reader.
> 
> Julien
> 
> 
> -----Original Message-----
> From: mpls-interop-bounces@ietf.org
> [mailto:mpls-interop-bounces@ietf.org] On Behalf Of Adrian Farrel
> 
> The term that is crystallizing is "path segment tunnel" (PST)
> 
> Does that do the job?
> 
> Adrian
> 
> ----- Original Message ----- 
> From: "Drake, John E" <John.E.Drake2@boeing.com>
> 
>> If we say that the OAM channel is associated with the containing LSP,
>> then we could have a tandem connection as currently defined (1:1 with
> an
>> LSP) while having the benefits of 1 OAM channel for N contained LSPs.
>>
>>> -----Original Message-----
>>> From: Huub van Helvoort [mailto:hhelvoort@chello.nl]
>>>
>>> Hi Ben and Nurit,
>>>
>>> We definitly have to have a f-2-f discussion about TC, I think
>>> there is still some confusion.
>>>
>>>> Scalability of TC (or whatever we call it) is basically if you have
>>>> 1:1 mapping between TC and LSP. But if you have 1:n mapping TC and
>>>> many LSPs the main concern can be solved.
>>> TC is 1:1 related to a single LSP, this is how TC is defined
>>> in the Transport environment. A TC can be created either by
>>> stacking or by using the MEG level methodology (also used in
>>> the transport ethernet)
>>>
>>>> If you define TC in reasonable areas (e.g. across a domain in a
>>>> multi-domain network) and the TC aggregate multiple LSPs
>>> then IMO the
>>>> construction of TC is the cleanest one and works well with OAM and
>>>> with protection.
>>> The TC aggregate is not a TC anymore, it should IMHO be
>>> referred to as a tunnel.
>>>
>>> Cheers, Huub.
>>>
>>>> -----Original Message-----
>>>> From: mpls-interop-bounces@ietf.org
>>>> [mailto:mpls-interop-bounces@ietf.org] On Behalf Of ext Ben
>>>> Niven-Jenkins
>>>> Sent: Tuesday, December 02, 2008 00:17
>>>> To: Adrian Farrel; mpls-interop@ietf.org
>>>> Subject: Re: [Mpls-interop] Who will be in Geneva?
>>>>
>>>> Adrian,
>>>>
>>>> On 27/11/2008 22:27, "Adrian Farrel" <adrian@olddog.co.uk> wrote:
>>>>> I ended up with a modest list of MPLS-TP design team folk
>>> willing to
>>>>> squander their evenings in Geneva working on drafts. Must
>>> be that the
>>>> Swiss
>>>>> night life is too exciting!
>>>> Or that there is no Q.Whisky in SG15 ;-)
>>>>
>>>>> Lastly, I would like to see if I can understand the issues with the
>>>> OAM
>>>>> techniques proposed. Can we continue to use TTL? Does the idea of
>>>> using
>>>>> nesting for all OAM segments really hold up? Is the OAM cart in
>>>>> danger
>>>> of
>>>>> driving the protection hobbyhorse (pardon my mixed metaphore).
>>>> I'm no OAM expert (I leave that to Tom :-) ) but I am yet to be
>>>> convinced by nesting all OAM segments for the reason that it sounds
>>>> complicated and that means to me that it will be expensive
>>> to run and
>>>> to scale.  It also sounds like I'd have to have my network
>>> constructed
>>>> in a particular way to be able to use OAM which means even
>>> in the best
>>>> run network I will at some point not be able to run OAM when
>>> I need it
>>>> (and the customer is screaming at me) because the network wasn't
>>>> constructed correctly (either by design or actual configuration !=
>>>> design).
>>>>
>>>> Ben
>>>>
>>>> _______________________________________________
>>>> Mpls-interop mailing list
>>>> Mpls-interop@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/mpls-interop
>>>> _______________________________________________
>>>> Mpls-interop mailing list
>>>> Mpls-interop@ietf.org
>>>> https://www.ietf.org/mailman/listinfo/mpls-interop
>>>>
>>> --
>>> ================================================================
>>>                   http://www.van-helvoort.eu/
>>> ================================================================
>>> Always remember that you are unique...just like everyone else...
>>>
>>> _______________________________________________
>>> Mpls-interop mailing list
>>> Mpls-interop@ietf.org
>>> https://www.ietf.org/mailman/listinfo/mpls-interop
>>>
>> _______________________________________________
>> Mpls-interop mailing list
>> Mpls-interop@ietf.org
>> https://www.ietf.org/mailman/listinfo/mpls-interop 
> 
> 
> _______________________________________________
> Mpls-interop mailing list
> Mpls-interop@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls-interop
> _______________________________________________
> Mpls-interop mailing list
> Mpls-interop@ietf.org
> https://www.ietf.org/mailman/listinfo/mpls-interop


-- 


Loa Andersson                         email: loa.andersson@redback.com
Sr Strategy and Standards Manager            loa@pi.nu
Redback Networks                      phone: +46 8 632 77 14
An Ericsson Company
_______________________________________________
Mpls-interop mailing list
Mpls-interop@ietf.org
https://www.ietf.org/mailman/listinfo/mpls-interop