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Large-scale P2P systems typically have hundreds of thousands of peers that involve frequent dynamic activities. Empirical studies have shown that participating nodes in P2P systems are not equivalent. Such heterogeneity has been taken into account in the design of P2P systems. In this paper, to achieve better scalability and improve the routing performance of REIK, we design a novel hierarchical REIK...
In a two-level chord-based hierarchical peer-to-peer system, nodes from the first-level overlay network, called supernodes, act as gateways to peers organized in the second-level overlay. Collision occurs when peer-to-peer operations create more than one supernode with the same node identifier in the first-level overlay. Collisions are reported to enlarge first-level overlay by more than 12 times...
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