Name: draft-vasseur-ccamp-inter-domain-path-comp-00
Title: Inter-domain Traffic Engineering LSP path computation methods
State: Active
Authors: JP Vasseur
Group: Individual Submissions (none)
Date: 2004-07-13
This document specifies two path computation methods for computing
inter-domain Traffic Engineering (TE) Multiprotocol Label Switching (MPLS)
and Generalized MPLS (GMPLS) Label Switched (LSP) paths. In this document a
domain is referred to as a collection of network elements within a common
sphere of address management or path computational responsibility such as
IGP areas and Autonomous Systems. The first path computation method is also
called per-domain path computation whereby each entry boundary LSR is
responsible for computing the path to the next exit boundary LSR (where for
instance a boundary LSR is either an ARB or an ASBR) whereas in the second
method a Path Computation Element (PCE)is used to compute an end to end
partial or complete path across multiple domains.
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