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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

PPT Version