Re: [mpls-tp] [PWE3] [AHMPLS-TP] Re: pollondraft-he-mpls-tp-csf-03.txt

"LEVRAU, LIEVEN (LIEVEN)" <lieven.levrau@alcatel-lucent.com> Thu, 02 December 2010 13:15 UTC

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From: "LEVRAU, LIEVEN (LIEVEN)" <lieven.levrau@alcatel-lucent.com>
To: "Rajiv Asati (rajiva)" <rajiva@cisco.com>, Yuanlong Jiang <yljiang@huawei.com>
Date: Thu, 2 Dec 2010 14:16:37 +0100
Thread-Topic: [PWE3] [AHMPLS-TP] Re: [mpls-tp] pollondraft-he-mpls-tp-csf-03.txt
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References: <4CE51469.2020105@pi.nu> <00c201cb9137$0e7b1fd0$6428460a@china.huawei.com> <5E893DB832F57341992548CDBB33316398C53F6CF1@EMBX01-HQ.jnpr.net> <077E41CFFD002C4CAB7DFA4386A532640301C477@DEMUEXC014.nsn-intra.net> <5E893DB832F57341992548CDBB33316398C53F6D0C@EMBX01-HQ.jnpr.net> <006701cb91be$e5b529a0$6428460a@china.huawei.com> <2CCE3984-04BC-4A59-B2EF-F0D2BBACB594@cisco.com>
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Cc: "mpls@ietf.org" <mpls@ietf.org>, MPLS-TP ad hoc team <ahmpls-tp@lists.itu.int>, "pwe3@ietf.org" <pwe3@ietf.org>, "mpls-tp@ietf.org" <mpls-tp@ietf.org>
Subject: Re: [mpls-tp] [PWE3] [AHMPLS-TP] Re: pollondraft-he-mpls-tp-csf-03.txt
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provocative statement alert- We should as we are talking about MPLS-TP and not about IP network layer.

./
Lieven
-----Original Message-----
From: mpls-bounces@ietf.org [mailto:mpls-bounces@ietf.org] On Behalf Of Rajiv Asati (rajiva)
Sent: 02 December 2010 14:14
To: Yuanlong Jiang
Cc: Sprecher, Nurit (NSN - IL/Hod HaSharon); MPLS-TP ad hoc team; mpls@ietf.org; mpls-tp@ietf.org; pwe3@ietf.org
Subject: Re: [mpls] [PWE3] [AHMPLS-TP] Re: [mpls-tp] pollondraft-he-mpls-tp-csf-03.txt

Are we ignoring the existence of BFD altogether?

Cheers,
Rajiv

Sent from my Phone

On Dec 1, 2010, at 8:19 PM, Yuanlong Jiang <yljiang@huawei.com> wrote:

> John,
> 
> Typically, IP will only detect a failure in a time scale of minutes.
> That is one reason why MPLS-TP OAM and Protection & Switching is needed.
> I am not sure which mechanism in MPLS provides the CSF-like capability, could you give more hints?
> 
> Thanks
> Yuanlong
> 
> ----- Original Message ----- From: "John E Drake" <jdrake@juniper.net>
> To: "Sprecher, Nurit (NSN - IL/Hod HaSharon)" <nurit.sprecher@nsn.com>om>; "Yuanlong Jiang" <yljiang@huawei.com>om>; "Loa Andersson" <loa@pi.nu>nu>; <mpls@ietf.org>rg>; <mpls-tp@ietf.org>rg>; <pwe3@ietf.org>rg>; "MPLS-TP ad hoc team" <ahmpls-tp@lists.itu.int>
> Sent: Wednesday, December 01, 2010 9:29 PM
> Subject: RE: [PWE3] [AHMPLS-TP] Re: [mpls-tp] poll ondraft-he-mpls-tp-csf-03.txt
> 
> 
>> Nurit,
>> 
>> As I understand the original requirement from Malcolm Betts, this capability is required for those cases in which a client is unable to detect the failure of its peer.  In MPLS-TP, we have three clients, PW, IP, and MPLS, and I am quite sure that IP and MPLS clients can take care of themselves wrt detecting peer failure.
>> 
>> Thanks,
>> 
>> John
>> 
>> Sent from my iPhone
>> 
>>> -----Original Message-----
>>> From: Sprecher, Nurit (NSN - IL/Hod HaSharon)
>>> [mailto:nurit.sprecher@nsn.com]
>>> Sent: Wednesday, December 01, 2010 4:47 AM
>>> To: John E Drake; Yuanlong Jiang; Loa Andersson; mpls@ietf.org; mpls-
>>> tp@ietf.org; pwe3@ietf.org; MPLS-TP ad hoc team
>>> Subject: RE: [PWE3] [AHMPLS-TP] Re: [mpls-tp] poll ondraft-he-mpls-tp-
>>> csf-03.txt
>>> 
>>> But what about other client services... e.g. adapted by service-LSP and
>>> not by PWE3?
>>> 
>>> -----Original Message-----
>>> From: pwe3-bounces@ietf.org [mailto:pwe3-bounces@ietf.org] On Behalf Of
>>> ext John E Drake
>>> Sent: Wednesday, December 01, 2010 2:35 PM
>>> To: Yuanlong Jiang; Loa Andersson; mpls@ietf.org; mpls-tp@ietf.org;
>>> pwe3@ietf.org; MPLS-TP ad hoc team
>>> Subject: Re: [PWE3] [AHMPLS-TP] Re: [mpls-tp] poll
>>> ondraft-he-mpls-tp-csf-03.txt
>>> 
>>> I am not convinced.  It seems like it belongs in the Pseudo Wire
>>> application, which already has this capability.
>>> 
>>> Sent from my iPhone
>>> 
>>> 
>>> > -----Original Message-----
>>> > From: Yuanlong Jiang [mailto:yljiang@huawei.com]
>>> > Sent: Wednesday, December 01, 2010 1:07 AM
>>> > To: Loa Andersson; mpls@ietf.org; mpls-tp@ietf.org; pwe3@ietf.org;
>>> > MPLS-TP ad hoc team
>>> > Subject: [AHMPLS-TP] Re: [mpls-tp] poll on draft-he-mpls-tp-csf-
>>> 03.txt
>>> >
>>> > Support.
>>> >
>>> > I believe this mechanism is needed in MPLS-TP.
>>> >
>>> > Thanks
>>> > Yuanlong
>>> >
>>> > ----- Original Message -----
>>> > From: "Loa Andersson" <loa@pi.nu>
>>> > To: <mpls@ietf.org>rg>; <mpls-tp@ietf.org>rg>; <pwe3@ietf.org>rg>; "MPLS-TP ad
>>> > hoc
>>> > team" <ahmpls-tp@lists.itu.int>
>>> > Sent: Thursday, November 18, 2010 7:56 PM
>>> > Subject: [mpls-tp] poll on draft-he-mpls-tp-csf-03.txt
>>> >
>>> >
>>> > > all,
>>> > >
>>> > > this is to start a two week poll on making
>>> > >
>>> > > http://www.ietf.org/internet-drafts/draft-he-mpls-tp-csf-03.txt
>>> > >
>>> > > a mpls working group document.
>>> > >
>>> > > Please send comments support/not support to the mpls-tp maililng
>>> > list.
>>> > >
>>> > > The poll ends Thursday Dec 2, 2010.
>>> > >
>>> > > /Loa
>>> > > --
>>> > >
>>> > >
>>> > > Loa Andersson                         email:
>>> > loa.andersson@ericsson.com
>>> > > Sr Strategy and Standards Manager            loa@pi.nu
>>> > > Ericsson Inc                          phone: +46 10 717 52 13
>>> > >                                              +46 767 72 92 13
>>> > > _______________________________________________
>>> > > mpls-tp mailing list
>>> > > mpls-tp@ietf.org
>>> > > https://www.ietf.org/mailman/listinfo/mpls-tp
>>> 
>>> _______________________________________________
>>> pwe3 mailing list
>>> pwe3@ietf.org
>>> https://www.ietf.org/mailman/listinfo/pwe3
> 
> _______________________________________________
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