Portals Configuration | 171Portals > Load BalancingThis section provides an overview of the Portals > Load Balancing page and a description ofthe configuration tasks available on this page.• “Portals > Load Balancing Overview” section on page 171• “Configuring a Load Balancing Group” section on page 172Portals > Load Balancing OverviewThe Portals > Load Balancing page allows the administrator to configure back end Webservers for a load balanced deployment. This default landing page for the load balancingfeature allows the administrator to configure load balancing groups, and lists general propertiesof any existing load balancing groups.Note This feature also requires a Load Balanced Portal with virtual host to be configured in thePortals > Portals page.Figure 25 Portals > Load Balancing PageConfiguration ScenariosLoad Balancing for SRA SRA is a robust feature that has multiple uses, including:Balancing a Farm of Web Servers – This is useful when the SRA appliance with a higherhorse power is offering protection and balancing the load of a relatively low powered farm ofWeb servers. In this case, Web Application Firewall, URL rewriting and other CPU intensiveoperations are enabled on the Load Balancer.Balancing a Low-Powered Cluster – A relatively low powered SRA cluster can be balancedfor improved scalability. In this case, Web Application Firewall, URL rewriting, and otherscalable features are enabled on the low powered SRA appliances.Load Balanced Pair – In this scenario, the Load Balancer may have one portal configured forthe front-end, and another Application Offloading portal configured to act as a Virtual BackendServer. This Virtual Backend Server and the second SRA device are configured as the Load
