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Efficient service discovery in dynamic, cross-organizational is one of the challenge aspects in ChinaGrid. Network overlay and search algorithms are two important considerations to the problem. Tree topology of organizations is easily managed but the root is a single point of failure; P2P structure tends to be conversed. To merge the advantages of both, we present a hybrid system with two layers:...
There are many common characteristics between Web service (WS) and peer-to-peer (P2P) computing environment. Therefore, carrying out Web service over P2P network can utilize the advantages of P2P to achieve the services integration and resource self-government. The service discovery is a key step during this convergence. In this paper, a semantic-overlay based approach is presented for Web service...
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