I-D ACTION:draft-ietf-ccamp-inter-domain-pd-path-comp-01.txt

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	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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