GMPLS Key Drivers
Dynamic and Distributed LSP Explicit TE-Route Computation (today: simulation, manual planning and human action)
Dynamic and Distributed intra and inter-domain LSP Setup/ Deletion/ Modification (today: manual and step-by-step provisioning - doesn’t provide “bandwidth on demand” capability)
Network resource optimization when using a peer interconnection model with multi-layer traffic-engineering and protection/restoration (today: provisioned model implies at least waste of 40% - 60% network resources)
Per-LSP (per-LSP Group) Fast Restoration in 200ms to < 1s (today: centralized computation based on restricted scenarios implying restoration time > 5s) and Signalled Protection in < 50ms (as specified in ITU-T G.841)