An Enhanced Super-Peer Model for Digital Library Construction

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Peer-to-Peer (P2P) overlay network has emerged as a major infrastructure for constructing future digital libraries. Among various P2P infrastructures, super-peer based P2P network receives extensive attention because the super-peer paradigm allows a node to act as not just a client, but also serve for a set of clients. As different from conventional file-sharing paradigm, digital library applications have more advanced requirements on system independence/autonomy, robustness and flexible communication. This paper is devoted for constructing digital library systems built upon such super-peer based network, i.e. JXTA framework. Evaluation results are to be presented concerning network initialization, loading balancing and self-organizing.