Competitive On-Line Algorithms for Distributed Data Management

  title={Competitive On-Line Algorithms for Distributed Data Management},
  author={Carsten Lund and Nick Reingold and Jeffery Westbrook and Dicky C. K. Yan},
  journal={SIAM J. Comput.},
Competitive on-line algorithms for data management in a network of processors are studied in this paper. A data object such as a file or a page of virtual memory is to be read and updated by various processors in the network. The goal is to minimize the communication costs incurred in serving a sequence of such requests. Distributed data management on important classes of networks—trees and bus-based networks—are studied. Optimal algorithms with constant competitive ratios and matching lower… CONTINUE READING


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