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1.3. keepalived and haproxy

Administrators can use both Keepalived and HAProxy together for a more robust and scalable high availability environment. Using the speed and scalability of HAProxy to perform load balancing for HTTP and other TCP-based services in conjunction with Keepalived failover services, administrators can increase availability by distributing load across real servers as well as ensuring continuity in the event of router unavailability by performing failover to backup routers.