Broadcast Disks: Data Management for Asymmetric Communications Environments.

Swarup Acharya, Rafael Alonso, Michael J. Franklin, Stanley B. Zdonik: Broadcast Disks: Data Management for Asymmetric Communications Environments. SIGMOD Conference 1995: 199-210

@inproceedings{DBLP:conf/sigmod/AcharyaAFZ95,
  author    = {Swarup Acharya and
               Rafael Alonso and
               Michael J. Franklin and
               Stanley B. Zdonik},
  editor    = {Michael J. Carey and
               Donovan A. Schneider},
  title     = {Broadcast Disks: Data Management for Asymmetric Communications
               Environments},
  booktitle = {Proceedings of the 1995 ACM SIGMOD International Conference on
               Management of Data, San Jose, California, May 22-25, 1995},
  publisher = {ACM Press},
  year      = {1995},
  pages     = {199-210},
  ee        = {http://doi.acm.org/10.1145/223784.223816, db/conf/sigmod/sigmod95-15.html},
  crossref  = {DBLP:conf/sigmod/95},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

This paper proposes the use of repetitive broadcast as a way of augmenting the memory hierarchy of clients in an asymmetric communication environment. We describe a new technique called ``Broadcast Disks'' for structuring the broadcast in a way that provides improved performance for non-uniformly accessed data. The Broadcast Disk superimposes multiple disks spinning at different speeds on a single broadcast channel - in effect creating an arbitrarily fine-grained memory hierarchy. In addition to proposing and defining the mechanism, a main result of this work is that exploiting the potential of the broadcast structure requires a re-evaluation of basic cache management policies. We examine several ``pure'' cache management policies and develop and measure implementable approximations to these policies. These results and others are presented in a set of simulation studies that substantiates the basic idea and develops some of the intuitions required to design a particular broadcast program.

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References

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