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Things that are totally open Architecture document Network startup and bootstrapping Resource discovery (e.g. multicast session information, Authentication mechanisms: PKI, IBC, other? What are regions? Do they have topological significance? Are they simply namespace identifiers? What routing architectures are preferable? Flat? Single level hierarchy? Multi-level? Overlapping? Do nodes move among regions? What are the dynamics of inter-region mobility? Is an additional, topology-independent identifier space necessary? What benefits accrue from late binding when regions do not have topological significance? Policy issues |