Scalability: Volunteer Servers

• Volunteer Servers

  • let volunteers run servers
  • VSProblem object calls getMultiWork() of Main Server
  • pass work to subworkers
  • hierarchical

• Mandelbrot Experiment
  • direct to main server via fast link: 5 s
  • direct to main server via slow link: 198 s
  • with watcher: 233 s
  • via volunteer server on fast link: compute: 5 s total: 125 s

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