PowerCache Volume Licensing is designed for corporations who utilize a large number of DotNetNuke installations which need to be load balanced between up to two servers. PowerCache WebGarden Edition and PowerCache lite are not designed to be used under heavy load and should be used primarily for delivering minor performance boots and redundancy to multiple DotNetNuke installations. Every environment using PowerCache will require 1 instance of the PowerCache server software as well as 1 license of the PowerCache client per website. For more information, please read about the PowerCache Architecture.