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Title : PCC-PCE Communication Requirements for VPNs
Author(s) : S. Yasukawa
Filename : draft-yasukawa-pce-vpn-req-02.txt
Pages : 17
Date : 2007-2-7
The Path Computation Element (PCE) provides path computation
functions in support of traffic engineering in Multiprotocol Label
Switching (MPLS) and Generalized MPLS (GMPLS) networks.
An important application of MPLS and GMPLS networks is Virtual
Private Networks (VPNs) that may be constructed using Label Switched
Paths (LSPs) in the MPLS and GMPLS networks as VPN tunnels. PCE may
be applied as a tool to compute the paths of such tunnels in order to
achieve better use of the network resources and to provide better
levels of service to the VPN customers.
Generic requirements for a communication protocol between Path
Computation Clients (PCCs) and PCEs are presented in "Path
Computation Element (PCE) Communication Protocol Generic
Requirements". This document complements the generic requirements and
presents a detailed set of PCC-PCE communication protocol
requirements that are specific to the application of PCE to VPNs.
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