Distributed Feature Composition (DFC) is a modular architecture for building telecommunication services. It has been implemented and used to build two industrial-scale Voice-over-IP services, as well as many smaller prototype and demonstration services. With all this experience it is possible to assess how and how well DFC modularity works.

The most important recent development in Grid systems is the adoption of the web services model as a basic architecture for Grid services. This paper describes a component framework for building distributed Grid applications that is consistent with that model. The framework, called XCAT, is based on the U.S. Department of Energy Common Component Architecture but with an implementation based on ...

The Web services paradigm offers numerous potential benefits to the health care area. These include interoperability, portability, scalability, and compliance with universal standards. However, development of large-scale Web services applications in health care is relatively scarce. Multiple challenges are slowing the diffusion of information technology practices in health care, starting with t...

The most important recent development in Grid systems is the adoption of the web services model as a basic architecture for Grid services. This paper describes a component framework for building distributed Grid applications that is consistent with that model. The framework, called XCAT, is based on the U.S. Department of Energy Common Component Architecture but with an implementation based on ...