Network - Message Delivery Properties (multiplicity)

About

message delivery multiplicity

Articles Related

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

• https://segment.com/blog/exactly-once-delivery/