EPSI (Erlang Publish-Subscribe Infrastructure) is an Erlang implementation of a distributed infrastructure providing a content-based publish-subscribe service to its clients.


  • dynamic overlay network of brokers (tree topology)
  • dynamically connect subscribers to brokers passing their content-filtering function
  • publication of messages
  • causal ordering of messages
  • fault tolerance to crashes (both local and remote crashes)

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Additional Project Details



Intended Audience

Science/Research, Developers

User Interface

Console/Terminal, Command-line

Programming Language