--- layout: default title: Corosync ---

Virtual synchrony

A closed process group communication model with virtual synchrony guarantees for creating replicated state machines.

Availability

A simple availability manager that restarts the application process when it has failed.

Information

A configuration and statistics in-memory database that provide the ability to set, retrieve, and receive change notifications of information.

Quorum

A quorum system that notifies applications when quorum is achieved or lost.