Using Emerging Open Specifications for Enhancing XML Web Services to Build a Maintainable and Secure Health Care Information System

C. Weber, S. Seshadri, and F. Khan (USA)

Keywords

Software Security, Web Services, and Standardization

Abstract

We describe the use of emerging open specifications based on policy to enhance XML Web Services to build a secure system for the Ohio State University medical center. The ease of maintenance of this real time system is enhanced because declarative security policy enables us to separate security assertions and claims from the business logic. Specifically we use the Web Services Enhancements 2.0 implementation of WS-Policy, WS Trust and WS-SecureConversation open specifications. We describe how using this off the shelf implementation of open specifications has significantly increased the maintainability of the system and also drastically decreased the effort required to build it.

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