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Paper Details

  title = "{A} {S}calable {C}ommunication {N}etwork for a {P}arallel {D}atabase {M}achine",
  author= "Walter, David and Kerridge, Jon",
  editor= "Edwards, Janet",
  pages = "201--216",
  booktitle= "{P}roceedings of {W}o{TUG}-14: {O}ccam and the {T}ransputer-{C}urrent {D}evelopments",
  isbn= "90 5199 063 4",
  year= "1991",
  month= "sep",
  abstract= "The IDIOMS parallel database machine has at its kernel a
     scalable communications structure. The scalability is
     fundamental to the database machine because it is intended
     that the parts which are joined together by the
     communications network can be added to as demands on the
     database machine change. The network must be scalable both
     in terms og the number of user processes which can be
     supported, and, in order to meet the performance
     requirements of large systems, it should be possible to
     scale up the bandwidth of the network by adding further
     communication processors. The structure of a node in the
     network is described in terms of itsccam behavior which
     shows how node control is achieved by a control process that
     manipulates a set of flags by means of channel
     communications. The network is shown to be free from the
     possibility of deadlock. Finally, the performance and
     operational characteristics of the network are discussed and
     it is shown that the network is ideally suited for parallel
     database operation."

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