Building Distributed Programs: Two Paradigms

• Communication-Oriented Design

  • Start with communication protocol
  • Design message format and syntax
  • Design client and server components by specifying how they react to incoming messages

• Protocol-design problems

• Application components as finite-state machines !?

• Focus on communication instead of application!

• Application-Oriented Design
  • Start with application
  • Design, build, test conventional implementation
  • Partition program

• Concurrency

Problems:

Paradigms:

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