Table of Contents

About

message delivery multiplicity

List

At most once [0,1]

  • Messages may be lost
  • Messages never delivered

At least once [1..n]

  • Messages will never be lost
  • but messages may be redelivered

Exactly once [1]

  • Messages are never lost
  • Messages are never redelivered
  • Perfect message delivery
  • Incurs higher latency for transactional semantics

Documentation / Reference