| Network auction has become more and more common in E-business. At present, the auction system normally has been implemented in on-line auction website, which uses centralized model of C/S by means of auction server. Although this model has many advantages, at the same time, it also has some problems such as its bad robustness, weak security and lower reliability because of dependence on key server node. P2P is a new application mode used in Internet and JXTA is a P2P supported platform under network's low layers that is distributed by SUN Corporation. This project developed by this author works on JXTA platform and uses P2P technique to develop a Network Auction System doing on-line electronic transaction. In this P2P auction system, without using centralized server, every participant has equal position and the system has utilized P2P technique to realize its E-business transaction that includes on-line merchandise info distributing, querying, auctioning and dealing. This project has made research and discussed on P2P/JXTA-based Network Auction System (P2PNAS). The author's paper work mainly includes: Comparing and analyzing between relative auction systems in home and abroad on models, features and developing techniques. The paper has compared C/S mode to P2P mode in implementation and analyzed the advantages of P2P-based auction system. Probing new mechanism of P2P-based auction system. Under P2P environment, the paper has discussed in depth some new characteristics in the auction system design procedure and some important techniques available. Designing the protocol and communication mechanism used in the auction activity to JXTA-based P2P Network Auction System P2PNAS, analyzing P2PNAS prototype, system overall designing and function modules designing. Discussion on detailed implementation schemes to JXTA-based P2P Network Auction System P2PNAS. Testing and results analyzing to P2PNAS prototype, validating the previous designing thought, and drawing to a conclusion. |
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