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OIF Liaison Interlayer Model Based on current ASON work at ITU-T Discusses abstraction of server layer capabilities Possible multiplexing at client or server layer Addressing issues and establishment of signaling adjacencies at the client layer Some aspects of the model prototyped for Interop Separate SONET/SDH and VCAT hierarchical layers Differs from current VCAT draft Allows flexible reallocation of paths to VCGs VCAT Tspec used to identify VCAT requirements Need something similar to proposal in VCAT draft At SONET/SDH layer, use NVC or MT? |