Policy-Based Services Aggregation in Grid Business Process

Event-drive business processes require integration with distributed heterogeneous services to fulfill the functionalities. Business processes run in parallel and interact with multiple services, partners and customers as per the requirement and policy. There is a need to aggregate information from multiple resources or services according to policy. Resource or service aggregation provides better query, search, discovery, and group notification. Service discovery and selection are depending on business services metadata, policy and event associated with the services. There is a need for dynamic services selection based on runtime environment such as content (semantics), context (event) and contract (policy). In this paper we have proposed event-driven service-oriented grid architecture to achieve event-driven service selection, grouping and notification of stateful services based on policy. Policy-driven grid business process is proposed by evaluating different grid and Web services specifications to capture the requirements of a dynamic business process.