# Package org.apache.catalina.ha.authenticator

Class Summary
Class | Description
--- | ---
ClusterSingleSignOn | A Valve that supports a "single sign on" user experience on each nodes of a cluster, where the security identity of a user who successfully authenticates to one web application is propagated to other web applications and to other nodes cluster in the same security domain.
ClusterSingleSignOnListener | Receive replicated SingleSignOnMessage form other cluster node.
SingleSignOnMessage | Contains the SingleSignOn data, read and written by the ClusterSingleSignOn