Re: Please read and comment on GMPLS P&R DT documents

[Maarten Vissers <mvissers@lucent.com>]

Ron,

From draft Rec. G.gps:
ftp://sg15opticalt:otxchange@ftp.itu.int/tsg15opticaltransport/COMMUNICATIONS/ccamp/ggps-v01-0110.doc
ftp://sg15opticalt:otxchange@ftp.itu.int/tsg15opticaltransport/COMMUNICATIONS/ccamp/ggps-v01-0110.pdf

3.10	Signal:

3.10.1	Normal traffic signal - Traffic signal that is protected by two
alternative transport entities, called working and protection entities.

3.10.2	Extra traffic signal - Traffic signal that is carried over the protection
transport entity and/or bandwidth when that transport entity/bandwidth is not
being used for the protection of a normal traffic signal; i.e. when protection
transport entity is standby. Whenever the protection transport entity/bandwidth
is required to protect or restore the normal traffic on the working entity, the
extra traffic is pre-empted. Extra traffic is not protected.

3.10.3	Null signal - The null signal is indicated on the protection transport
entity if it is not used to carry normal or extra traffic. The null signal can
be any kind of signal that conforms to the signal structure of the specific
layer and is ignored (not selected) at the tail end of the protection.

Figures 2 to 5 in G.gps show the null signal.

Regards,

Maarten

Ron Bonica wrote:
> 
> Sudheer,
> 
> In Section 4.2.C of the terminology document, could you expand on the
> definition of "null traffic"? How is it different from "extra traffic"?
> 
> Also, you don't use the term outside of section 4.2.C. Should this be cause
> for concern?
> 
>                                                 Ron
> 
> > -----Original Message-----
> > From: owner-ccamp@ops.ietf.org [mailto:owner-ccamp@ops.ietf.org]On
> > Behalf Of Sudheer Dharanikota
> > Sent: Wednesday, March 13, 2002 12:28 PM
> > To: CCAMP WG
> > Subject: Please read and comment on GMPLS P&R DT documents
> >
> >
> > Hi Folks:
> >
> > Please note that the "GMPLS Protection and Restoration
> > Design Team"
> > has produced the following two documents (1st version)...
> >
> > Recovery (Protection and Restoration) Terminology for GMPLS
> > http://search.ietf.org/internet-drafts/draft-mannie-gmpls-recovery
> > -terminology-00.txt
> >
> > Analysis for GMPLS-based Recovery Mechanisms(including
> > Protection and Restoration)
> > http://www.cs.odu.edu/~sudheer/draft-design-team-gmpls-recovery-an
> > alysis-00.txt
> >
> > We request you to read and comment on them as quickly as you
> > can.
> >
> > Regards,
> >
> > GMPLS P&R Design Team
> >
> >
> >
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