# Active-Active
![[active-active.png]]
The active-active architecture offers in high-availability, scalability and no single-point-of-failure. 

-> Several Head-Nodes
# Active-Passive
![[active-passive.png]]Contrary to [[Cluster Architecture#Active-Active |active-active]] clustering, the active-passive method uses only one head-node and no load-balancer, with one additional head-node running as a failover.