面向服务组合的主动Agent聚合框架及仿真实验分析

Web Serives Composition-oriented Framework of Active Agent Aggregation and Simulation Experiment Analysis

Web服务的组合需要聚合足够多的能满足服务请求的元服务,由服务请求者自己来查找这些需要的服务是目前SOA的常用方法,但这种方法没有考虑服务本身作为主体也有主动推销服务的意愿。为此提出了一个面向服务组合的主动服务聚合框架,引入Agent作为Web服务的代理可以将服务抽象地封装成一个可以主动发现服务请求的智能实体,通过"意图-行为-实现"机制实现了服务能力与服务请求的匹配。最后通过一个仿真程序上的几组实验数据分析和讨论了聚合框架的性能,验证了该方法的可行性。

Web services composition need to aggregate adequate meta services to meet the service request. In SOA, the task to find these services is commonly fulfiled by the service requestor, but this method does not take into account the wish of service provider, who want to promote the sale of its services. To this end,an active service aggregation frame- work of Web service composition-oriented was proposed, which introduce Agent as a Web Service proxy. By Agent, services can be packaged into abstract entities which are able to find service requests actively. Through the ＂Intention- Behavior-Achievement＂ mechanism, the service capabilities and the service requests are metched. Finally,in order to verify the feasibility of the method, the performance of aggregation framework was analyzed and discussed by several sets of experimental data on a simulation program.