Subject: [CCAMP] FW: I-D Action: draft-margaria-ccamp-label-set-ero-00.txt

From: "Margaria, Cyril (NSN - DE/Munich)" <[email-masked]>
Date: Wed, 14 Mar 2012 08:57:43 +0100

Hi CCAMPers, 
  
A new draft about Label set in ERO has been submitted. 
  
This draft address points raised in PCEP to indicate LABEL_SET in a route and other general use cases.
  
Please check out for detail: http://www.ietf.org/internet-drafts/draft-margaria-ccamp-label-set-ero-00.txt
  
We'd like to have your feedbacks, any comments or suggestions are appreciated. 

Best regards / Mit freundlichen Grüßen
Cyril Margaria

> -----Original Message-----
> From: [email-masked] [mailto:i-d-announce-
> [email-masked]] On Behalf Of ext [email-masked]
> Sent: Sunday, March 04, 2012 10:05 PM
> To: [email-masked]
> Subject: I-D Action: draft-margaria-ccamp-label-set-ero-00.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts
> directories.
> 
> 	Title           : Expressing Label Set in ERO
> 	Author(s)       : Cyril Margaria
>                           Ramon Casellas
>                           Oscar Gonzalez de Dios
> 	Filename        : draft-margaria-ccamp-label-set-ero-00.txt
> 	Pages           : 21
> 	Date            : 2012-03-04
> 
>    The paths chosen by Generalized MPLS (GMPLS) Traffic Engineering
> (TE)
>    Label Switched Paths (LSPs) can be constrained using the Explicit
>    Route (ERO) object and related sub-objects.  Standard ERO sub-
> objects
>    can specify the Autonomous System (AS), LSR Node Ids, Numbered or
>    unnumbered TE links, downstream and upstream labels, and PCE path
>    keys thus restricting which resources are to be used by a TE-LSP.
> 
>    The Explicit Label Control (ELC) in the explicit route object (ERO)
>    allows both terminating an LSP on a particular outgoing port and
>    label of an egress node, as well as restricting which label to use
> on
>    any hop along the path determined by the route.  However, currently,
>    its not allowed to specify more than 2 labels (downstream and
>    upstream label), and it is not possible to specify, for a given
>    section or segment of a TE-LSP path, a set of labels to restrict
>    which label to be allocated from a Set of candidate labels.
> 
>    This memo provides extensions to the RSVP-TE and PCEP protocols to
>    support Label Sets in the form of ERO sub-objects, being applicable
>    to ERO and ERO-like (IRO, RRO, XRO) sub-objects, extending the ELC
>    concept to a set of candidate labels.
> 
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-margaria-ccamp-label-set-ero-
> 00.txt
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
> This Internet-Draft can be retrieved at:
> ftp://ftp.ietf.org/internet-drafts/draft-margaria-ccamp-label-set-ero-
> 00.txt
> 
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