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Inter-Layer Attributes 2. “Support of inter-layer attributes (e.g., adaptation relationships). Between a client and server layer, a general mechanism for describing the layer relationship exists” For example: 4 client links of type X can be supported by this server layer link => Sonet/SDH I-d tackles such kind of issues (multiplexing/concatenation capability TLV) Another example is being able to identify when two layers share a common server layer => when ? Do we speak about policy aspects here ? |