摘要： WS-policy（一个所有WS-*协议的父协议。用于定义一个语法和语义来描述Web服务的需求、偏好和能力）Defines a syntax and semantic for service providers and service requestors to describe their requirements, preferences, and capabilities.The syntax provides a flexible and concise way of expressing the needs of each domain in the form of policies 阅读全文