Round robin load balancing is an optional HCO setting. Round robin load balancing distributes requests evenly over a set of Policy Servers, which:
Note: For more information about configuring an HCO for round robin load balancing, see the Policy Server Configuration Guide.
In round robin mode, a Web Agent distributes requests across all Policy Servers that the HCO lists. A Web Agent:
If a Policy Server does not respond, the Web Agent redirects the request to the next Policy Server that the HCO lists. If the unresponsive Policy Server recovers, which the Web Agent determines through periodic polling, the Policy Server is automatically restored to its original place in the HCO list.
The following diagram illustrates the round robin process:
Copyright © 2010 CA. All rights reserved. | Email CA about this topic |