Abstract
The Universal Description, Discovery and Integration (UDDI) registry is widely used for organizing Web services in the Internet, but it cannot meet the requirement of organizing massive Web services in the cloud computing environment. In this paper, a Web service registration cloud based on structured P2P and semantics (PSSRC) is presented. On the one hand, PSSRC works on a structured P2P overlay which is organized by using Pastry in multiple registration nodes, where each registration node is composed of seven modules namely system configuration, schedule and distribution, P2P communication, access and control, UDDI, resources monitoring, and semantic process. On the other hand, a semantic ontology database named WordNet is used to process semantic queries in PSSRC. PSSRC inherits the advantage of UDDI in that the registration and discovery of Web services are transparent to Web services providers. Furthermore, it is shown by experiment that the capacity of PSSRC can be extended dynamically, and both semantic queries and large scalable accesses are well supported.
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