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

As I understand it, the server at one end of an LSP detects that its client has failed and it uses CSF to tell the server at the other end of the LSP.  Presumably that server then tells its client.

Sent from my iPhone

> -----Original Message-----
> From: mpls-tp-bounces@ietf.org [mailto:mpls-tp-bounces@ietf.org] On
> Behalf Of Eric Osborne (eosborne)
> Sent: Thursday, December 02, 2010 6:38 AM
> To: LEVRAU, LIEVEN (LIEVEN); Rajiv Asati (rajiva); Yuanlong Jiang
> Cc: mpls@ietf.org; MPLS-TP ad hoc team; pwe3@ietf.org; mpls-tp@ietf.org
> Subject: Re: [mpls-tp] [mpls] [PWE3] [AHMPLS-TP] Re: pollondraft-he-
> mpls-tp-csf-03.txt
> 
> 
> 
> > -----Original Message-----
> > From: mpls-bounces@ietf.org [mailto:mpls-bounces@ietf.org] On Behalf
> Of
> > LEVRAU, LIEVEN (LIEVEN)
> > Sent: Thursday, December 02, 2010 8:17 AM
> > To: Rajiv Asati (rajiva); Yuanlong Jiang
> > Cc: mpls@ietf.org; Sprecher,Nurit (NSN - IL/Hod HaSharon); MPLS-TP ad
> hoc
> > team; pwe3@ietf.org; mpls-tp@ietf.org
> > Subject: Re: [mpls] [PWE3] [AHMPLS-TP] Re:[mpls-tp]
> pollondraft-he-mpls-
> > tp-csf-03.txt
> >
> > provocative statement alert- We should as we are talking about MPLS-
> TP
> and
> > not about IP network layer.
> >
> 
> OK, so maybe this is where I'm confused.  Aren't we talking about a
> mechanism to indicate to a *client* of TP that there's a problem (thus,
> Client Signal Fail)?
> 
> 
> 
> eric
> 
> 
> > ./
> > 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
> > >>>
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> > >>> pwe3@ietf.org
> > >>> https://www.ietf.org/mailman/listinfo/pwe3
> > >
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