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Leader/Followers

Performance Concurrency

Intent

The Leader/Followers pattern provides a concurrency model where multiple threads can efficiently de-multiplex events and dispatch event handlers that process I/O handles shared by the threads.

Class diagram

Leader/Followers class diagram

Applicability

Use Leader-Followers pattern when

  • multiple threads take turns sharing a set of event sources in order to detect, de-multiplex, dispatch and process service requests that occur on the event sources.

Real world examples

Credits