Research on semantic-based security services model of SOA

an example is given to analyze its security flaws and security requirements in the services oriented architecture. Aimed at the increasingly severe security of SOA, a model for building end to end security services is proposed, the specification concerned with web services message-level security is put forward, such as WS-security and SAML, according to these specifications, the design and realization method of services oriented security model is discussed. At the same time, the model imports unified semantic ontology knowledge base, Ontologies service varies with the context information and adjusts policy service to act on the managed targets.