A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Common Control and Measurement Plane Working Group of the IETF.
Title : A Per-domain path computation method for establishing
Inter-domain Traffic Engineering (TE) Label Switched Paths (LSPs)
Author(s) : J. Vasseur, et al.
Filename : draft-ietf-ccamp-inter-domain-pd-path-comp-01.txt
Pages : 18
Date : 2005-10-20
This document specifies a per-domain path computation technique for
establishing inter-domain Traffic Engineering (TE) Multiprotocol Label
Switching (MPLS) and Generalized MPLS (GMPLS) Label Switched Paths
(LSPs). In this document a domain refers to a collection of network
elements within a common sphere of address management or path
computational responsibility such as IGP areas and Autonomous Systems.
Per-domain computation applies where the full path of an inter-domain
TE LSP cannot be or is not determined at the ingress node of the TE
LSP, and is not signaled across domain boundaries. This is most likely
to arise owing to TE visibility limitations. The signaling message
indicates the destination and nodes up to the next domain boundary. It
may also indicate further domain boundaries or domain identifiers. The
path through each domain, possibly including the choice of exit point
from the domain, must be determined within the domain.
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