Name: draft-oki-pce-gmpls-req-01
Title: Requirements for Path Computation Element in GMPLS and IP/MPLS Networks
State: Active
Authors: Eiji Oki
Group: Individual Submissions (none)
Date: 2004-10-29
Path Computation Element (PCE) provides functions of traffic engineering in
Generalized Multi-Protocol Label Switching (GMPLS) and IP/MPLS net- works.
In IP/MPLS networks, PCE provides MPLS LSP routes with con- straints. In
GMPLS networks, PCE provides GMPLS LSP routes and optimal virtual network
topology reconfiguration control, and jugdes on whether a new lower-region
LSP should be established when a higher-region LSP is requested. PCE also
handles interworking between GMPLS and IP/MPLS net- works, both of which
will coexist at some point during the migration process.
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