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
> >>>
> >>> _______________________________________________
> >>> pwe3 mailing list
> >>> pwe3@ietf.org
> >>> https://www.ietf.org/mailman/listinfo/pwe3
> >
> > _______________________________________________
> > pwe3 mailing list
> > pwe3@ietf.org
> > https://www.ietf.org/mailman/listinfo/pwe3
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