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Step-by-step RFC3945 defines L2SC interface and support for L2SC LSP (RFC 3471/73 code-points) initial version focused on ETH port mode generalize mechanisms for any L2 technology (add: ATM, FR) however, ETH port mode too coarse (10 GbE PHYs) ? refine resource reservation granularity (i.e. semantic) on L2SC links |