Application Of Web Services And CA In Coal Trading System

With the rapid development of information technology, the traditional patternsof coal trading mode are unable to meet the speed and response combat requirementsof the coal industry. Web Service technology and CA technology are increasinglyused in Coal electronic trading system. The integration of these technologies canmeet customer needs and can make real-time response to the coal market pricechanges, which helps providing correct, scientific market decision support forcustomers and merchants, laying the foundation for the modern coal industrytransaction.In this paper, first it will have an intensive research on Web Service, WSDL,UDDI, SOAP, CA as well as other relative technologies and literatures. According tothe actual requirements of the Trading system and based on the analysis of businessrequirements, after the modeling of requirement, data and the system, it gives anintegrated system solution of the online trading system with the utilization of WebService technology and CA authentication technology. Additionally, the paper alsopresents the application architecture, the function design and implementation of theonline trading system. The online trading system consists three parts: the system’ssecurity, online transactions and transaction backstage management system. Throughthe cooperation of these three modules, the system satisfies the realistic requirements.This system, does not only make use of the CA authentication technology to ensurethe security but also explores the advantages of Web Service, such as high-speed,real-time and wide range coverage of network, to realize the real-time monitoring,online transaction, and the information mutual transmission.