System failover provides continuous OpenSSO Enterprise service when hardware or software fails.
Session failover ensures uninterrupted transactions and no user data loss during system failure.
In most cases, user does not have to re-authenticate after system recovery.
Increased transaction throughput through load sharing.
Increased security because Policy Agents never interact directly with OpenSSO Enterprise servers.
Slight impact to performance when OpenSSO Enterprise is configured for session failover.
Firewall must be open between OpenSSO Enterprise communicating components.