| Nowadays in the network environment,the involved domain about concept of service is more and more widely,and the development of technology is also advanced in the direction of the research of service integration,and flexible integration services is aim at achieving varieties of complex functions.Especially at the present stage,the Web service technology is developing rapidly,and the Web service technology has been the core status in the process of achieving Service-Oriented Architecture(SOA).Web service integration ought to adapt to the environment and the user's multi variability,with the function of dynamic selection and binding services.However,with the unpredictable and dynamic running environment,the Quality of Service(QoS)security of Web service integration is becoming more and more significant,the service selection based on QoS is one of the key technologies to solve this challenge.Based on the analysis of the key technologies of Web service system,non functional attributes of Web services and the QoS index in this paper,the interaction and integration technology of Web services based on QoS has been studied.The implementation of Services Web based on QoS has been deeply studied,and the main application protocol,include XML,SOAP,WSDL and UDDI,has been analyzed.Then,the Web service model based on QoS has been introduced,and the selection algorithm of Web service has been studied.Considering the integration of Web services,the selection algorithm of integration service has been leaded.On the basis of this,the extended UDDI system model has been designed with the standard specification of UDDI technology.Further,combined with Web Services implementation technology and open source UDDI server,the Web service selection system based on QoS,QoS information publish,QoS information inquiry and other functions has been realized.The accuracy of system has been verified by the test analysis of the Web service selection system based on QoS. |
PDF Full Text Request