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Summary of Requirements Deployment of GMPLS technology in existing IP/MPLS networks No upgrade in the existing IP/MPLS routers It is difficult to upgrade all IP/MPLS routers to GMPLS capable routers in SP networks due to a number of reasons. An effective way to make use of GMPLS network resources in IP/MPLS networks (e.g. bandwidth….) Signaling from the MPLS routers to remote MPLS routers over GMPLS networks An effective way to make use of both MPLS and GMPLS protection (i.e. If MPLS LSPs are protected using MPLS FRR,they can be used GMPLS protection.) “MPLS/GMPLS interworking” is a key for SPs. |