Performance Evaluation of Secure Web Services Based on WS-security

To evaluate the performance of Web Services after using the WS-Security,this paper established the improved time response appraisal model in the foundation of analyzing of Web Services architecture and WS-Security specification.It carried on the experiment in view of the Web Services time behavior and message size,and obtained the influence of WS-Security specification to the Web Services response time and the spatial behavior.This paper can provide the real basis of how to set the security and performance for Web Services.It has the greatly practical significance for the research on Web Services Security.