DynaGrid: An Adaptive, Scalable, and Reliable Resource Provisioning Framework for WSRF-Compliant Applications

The Web Services Resource Framework (WSRF) is a set of specifications which define a generic and open framework for modeling and accessing stateful resources using Web services. This paper proposes DynaGrid, a new framework for WSRF-compliant applications. Many new components, such as ServiceDoor, Dynamic Service Launcher, ClientProxy, and PartitionManager, have been introduced to offer adaptive, scalable, and reliable resource provisioning. All of these components are implemented as standard WSRF-compliant Web services, hence DynaGrid is complementary to the existing GT4. Our experimental evaluation shows that DynaGrid effectively utilizes Grid resources by allocating only the required number of resources adaptively according to the amount of incoming requests, providing both the scalability and the reliability at the same time.