ISIS Approach: Investigate Technology Claims
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In examining technologies for the construction of systems that are required to interoperate with other systems, we are determining the gaps between what these tools offer and what users expect of them. We are able to provide users with information about what can be expected by the current state of a technology—and technology suppliers with information about user expectations.
We are using the SEI T-CheckSM approach that involves (1) formulating hypotheses about the technology and (2) examining these hypotheses against very specific criteria through experimentation.
The T-Check approach produces efficient and representative experiments that not only evaluate technologies within the context of their future use, but also generate hands-on competence with the technologies. (For more on the T-Check approach, download our information sheet (123 kb).
We have published reports on our T-Check work with these technologies:
- Model-Driven Architecture (MDA) (Report) (Article)
- Web Services (Report)
- Web Services Security (Report)
- OWL Web Ontology Language for Services (OWL-S) (Report)
- Open Grid Service Architecture (OGSA) (Report)
We will continue to publish reports about our T-Check work in these areas:
- Standards and technologies related to Web Services such as
- Universal Description Discovery and Integration (UDDI)
- WS-Security and Security Assertion Markup Language (SAML)
- Web Services Flow Language (WSFL)
- Web Services Conversation Language (WSCL)
- Component Frameworks
- Java 2 Enterprise Edition (J2EE)
- Microsoft .NET
The T-Check approach is also integral to the larger process of technology evaluation—namely, evaluating technologies within the contexts that they will be used. A Process for Context-Based Technology Evaluation describes a process that determines the fitness of a technology within a specific context. It includes hands-on experimentation with the technology for a greater understanding of its implications, as well as early competence development of the people conducting the experiments.
For Further Reading
Promising Technologies for Future Systems presents of a few of the many programs, technologies, and research efforts that are addressing the challenges faced by future systems, such as FORCEnet and Joint Battlespace Infosphere (JBI), two Department of Defense (DoD) programs that are facing the challenges of Joint Vision 2020; the Open Grid Services Architecture (OGSA) as a promising technology for building future systems; and the results of two projects sponsored by the Defense Advanced Research Projects Agency (DARPA), related to building secure systems on the fly.
Approaches to Constructive Interoperability discusses several approaches to constructing systems of systems that have interoperability requirements, with respect to syntactic and semantic interoperability. The areas examined include Model-Driven Architecture, Service-Oriented Architecture, Web services, Open Grid Services Architecture, and Component Frameworks. Technical techniques and recommendations for reaching an agreement between systems that use differing technologies are also briefly explored.
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