A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element Working Group of the IETF.
Title : The use of SVEC (Synchronization VECtor) list for Synchronized dependent path computations
Author(s) : I. Nishioka, D. King
Filename : draft-ietf-pce-pcep-svec-list-04.txt
Pages : 17
Date : 2010-02-10
A Path Computation Element (PCE) may be required to perform
dependent path computations. Dependent path computations are
requests that need to be synchronized in order to meet specific
objectives. An example of a dependent request would be a PCE
computing a set of services which are required to be diverse
(disjointed) from each other. When a PCE computes sets of dependent
path computation requests concurrently, it is required to use the
Synchronization VECtor (SVEC) list for association among the sets of
dependent path computation requests. The SVEC object is optional and
carried within the Path Computation Element Protocol (PCEP)
PCRequest (PCReq) message.
This document does not specify the PCEP SVEC object or procedure.
This informational document clarifies the use of the SVEC list for
synchronized path computations when computing dependent requests.
The document also describes a number of usage scenarios for SVEC
lists within single domain and multi-domain environments.
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