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What Is The Difference Between Stateful Failover And Stateless Failover? |
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Answer» Stateless Failover: When failover occurs all active connections are dropped. Clients need to re-establish connections when the new active unit takes over. Stateful Failover: The active unit continually passes per-connection state INFORMATION to the STANDBY unit. After a failover occurs, the same connection information is available at the new active unit. Clients are not REQUIRED to reconnect to keep the same communication SESSION. Stateless Failover: When failover occurs all active connections are dropped. Clients need to re-establish connections when the new active unit takes over. Stateful Failover: The active unit continually passes per-connection state information to the standby unit. After a failover occurs, the same connection information is available at the new active unit. Clients are not required to reconnect to keep the same communication session. |
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