摘要
针对Web网络端到端会话的需要,提出了一种Web服务协商协议,定义了通信原语,在服务提供者和服务消费者之间自动地协商QoS信息,并采用有色Petri网模型对该协议进行了形式化描述。将Web服务的QoS划分为r个一级对象、ni个二级对象,根据不同应用中QoS对象关注程度确定权重,采用加权模糊推理模型构造应用函数,作为协商的依据。分析表明,该模型对服务发现与服务集成中自治实体间达到共识是有效的。
In order to meet the end-to-end requirements, a service negotiation protocol is proposed to negotiate automatically QoS budgets between possible service providerzand service consumer. Then a colored Petri nets model is used to describe formally negotiation protocol. QoS of Web Service is individed in r level 1 object and n, level 2 object. The weight is confirmed based on attention degree in different application. The analysis about the utility function with the help of weighted Fuzzy Reasoning Model is proved.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2008年第3期561-564,共4页
Systems Engineering and Electronics
基金
国防预研基金(51406030104DZ0120)资助课题
