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Distributed High Performance Grid Information Service

We introduce a distributed high performance Grid Information Service Architecture, which forms a metadata replica hosting system to manage both highly-dynamic, small-scale and relatively-large, static metadata associated to Grid/Web Services. We present an empirical evaluation of the proposed architecture and investigate its practical usefulness. The results demonstrate that the proposed system achieves high-performance and fault-tolerance with negligible processing overheads. The results also indicate that efficient decentralized Grid Information Service Architectures can be built by utilizing publish-subscribe based messaging schemes.