RE: G.RSVP-TE in OTN - Refresh mechanism

["Michael I Mandelberg(Isaac)" <mmandelberg@fwion.com>]

In particular, GMPLS w/LMP does not specify what to do with path state when
the TE Link is in the 'degraded' state as determined by LMP.

Michael Mandelberg
FirstWave Intelligent Optical Networks, Inc.
11800 Sunrise Valley Drive, 15th floor
Reston, Virginia 20191
(703) 390 - 9401, x 1008
mmandelberg@fwion.com



> -----Original Message-----
> From: Diego Caviglia [mailto:Diego.Caviglia@marconi.com]
> Sent: Tuesday, October 15, 2002 11:39 AM
> To: ccamp@ops.ietf.org
> Subject: G.RSVP-TE in OTN - Refresh mechanism
> 
> 
> Hi all,
>               some times ago I posted the e-mail in 
> attachment but so far I
> haven't received any response.
> 
> As it is now, you might for example delete an LSP in a 
> Transport Network
> just because,  the DCN failed the delivery of some Refresh messages.
> 
> On the other hand, one of the major Carrier requirements is 
> that a control
> channel failure must not affect data plane.
> 
> May be that is a silly question but it seems to me that the two above
> statements are in contradiction.
> 
> Regards,
>                      Diego
> 
> 
> ---------------------- Forwarded by Diego Caviglia/MAIN/MC1 
> on 15/10/2002
> 17.27 ---------------------------
> 
> "Diego Caviglia" <Diego.Caviglia@marconi.com>@ops.ietf.org on 
> 10/09/2002
> 10.52.22
> 
> Sent by:  owner-ccamp@ops.ietf.org
> 
> 
> To:   ccamp@ops.ietf.org
> cc:
> 
> Subject:  G.RSVP-TE in OTN - Refresh mechanism
> 
> 
> Hi all,
>               some time ago there was an argument, on the ML (see
> http://ops.ietf.org/lists/ccamp/ccamp.2001/msg00374.html) 
> about whether it
> was feasible to retain the possibilty to set the refresh 
> timer to infinite,
> a proposed alternative was to ignore the elapsing of the 
> refresh timer.
> 
> I feel these capacities are very useful especially in a 
> Transport Network
> enviroment.
> 
> What is the consensus on the possibility to eliminate the 
> need of refresh
> message in G.RSVP-TE?
> 
> Best Regards,
>                              Diego.
> 
> 
> 
> 
> 
> 
> ----------------------------------------------------------------
> Diego Caviglia
> Optical Network - ASON strategy
> E-mail: diego.caviglia@marconi.com
> Tel: +39 0 10 6003 808
> Via A. Negrone 1A 16153 Genoa (Italy)
> ----------------------------------------------------------------
> Fatti non foste a viver come bruti
> ma per seguir virtute e canoscenza
> 
> Dante Alighieri Inferno Canto XXVI
> 
> 
> 
> 
> 
> 
> 
>