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The DynaSOAr framework presents a wholly service-oriented approach to grid and Internet-based computing that makes a clear and explicit separation of concerns between service-provision and resource-provision for each service invocation. The separation allows the dynamic deployment of code at runtime, in the form of a service implementation, between a service provider and an explicit resource provider...
Service-oriented Architectures deliver a flexible infrastructure to allow independently developed software components to communicate in a seamless manner. In the scope of organisational workflows, SOA provides a suitable foundation to execute business processes as an orchestration of multiple independent services. Along with the increased connectivity, the corresponding security risks rise exponentially...
We continue to investigate the use of trust management techniques to specify dynamic policies in complex integrated service-oriented networks. For this work, we use the DoD GIG's service-oriented architecture as a focal point. In this research's initial phase, we are developing prototype dynamic trust management policy services for a service-oriented architecture. In our research's next phase, we...
The success of service-oriented architectures (SOAs) and the Web Service technology in fulfilling the business's needs for inter-enterprise processes led to new challenges for security management in federated environments. Because of the predominant aspect of loose coupling in a SOA the issue of where to locate the processes of authentication and authorization, forming together the access control,...
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