DistOS 2014W Midterm Review

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Revision as of 15:53, 25 February 2014 by Soma (talk | contribs) (→‎Questions)

Themes

  • Scaling
  • caching
  • consistency
  • specialized versus general solutions
  • OS abstractions
  • paths not taken
  • network transparency (making remote look like local)
  • reliability
    • fault tolerance
    • redundancy
    • availability
  • resource sharing
  • information sharing
  • communication
  • collaboration
  • peer-to-peer versus hierarchy
  • latency versus bandwidth

Questions

  • The architecture of distributed OSs typically are some mix of peer-to-peer and hierarchies (e.g. master/slave) in the arrangement of servers. Give an example of each and explain why the choice was made (a hierarchy versus peer-to-peer).
  • "UNIX compatibility is increasingly sacrificed in order to improve scalability." Argue for or against.
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