A Federated Model for Scheduling in Wide-Area Systems

  • Authors:
  • Jon B. Weissman;Andrew S. Grimshaw

  • Affiliations:
  • -;-

  • Venue:
  • HPDC '96 Proceedings of the 5th IEEE International Symposium on High Performance Distributed Computing
  • Year:
  • 1996

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Abstract

In this paper a model for scheduling in wide-area systems is described. The model is federated and utilizes a collection of local site schedulers that control the use of their resources. The wide-area scheduler consults the local site schedulers to obtain candidate machine schedules. A set of issues and challenges inherent to wide-area scheduling are also described and the proposed model is shown to address many of these problems. A distributed algorithm for wide-area scheduling is presented and relies upon information made available about the resource needs of user jobs. The wide-area scheduler will be implemented in Legion, a wide-area computing system developed at the University of Virginia.