A Study And Implement On Stateful Web Services

With the development of enterprise, more and more application systems are used in enterprise. Every application system has its own user resource, in order to share user information and improve the usage of application systems, author take part in the project of public information services platform. This porject let all application systems in the control of the platform, and provides the user regist and verification service, message service, public information service, enterprise struction information service and other services for application systems. Because of simplicity and across platform, web services is the best choice for integrating application systems. This platform uses web services to provide service for all of the application systems.Athough web services provide service such as public information service, enterprise struction information very well, for another stateful information, such as is a user online or how long the user online and etc services, web services can not work well. Because web services do not keep states.In order to solve this problem, author probe into the technology of web services and correlative agreement and standard, the technology of .NET platform, and let the"public information services platform"as project background, research and implement the stateful web services technology, apply it into pratice, and got a perfect effect. The fallowing is the main character and task of the article.Firstly, introduce the web services technology and correlative agreement and standard, and analyse the protocol suite of web services.