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At its core, Globus is a research project. Globus research not only focusses on the issues associated with building a computational grid infrastructure, but also addresses the problems that arise in designing and developing applications that use grid services. The areas we are investigating include the following: Resource Management. Our research in resource management focuses on providing uniform and scalable mechanisms for naming and locating computational and communication resources on remote systems, and for incorporating these resources into parallel and distributed computations. We are developing scalable techniques that support the location of available bitways chosen according to their service type and security level, and the integration of chosen bitways into running computations. Security. Security in computational grids is complicated by the need to establish secure relationships between a large number of dynamically created subjects and across a range of administrative domains, each with its own local security policy. Our work in this area ranges from developing basic security algorithms for secure group communications, and techniques based on delegation of trust for managing trust relationships, to developing new mechanisms for fine- grained access control. Fault detection and fault tolerance. Algorithms ------------------------------------------------------------------------
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