Load balancing and clustering

Load balancing and clustering Open-Xchange

General

Open-Xchange Server 6 is primary built for the Software-as-a-Service world. Hosting and telecommunication providers around the world use Open-Xchange to offer hosted services to their customers. Open-Xchange Server 6 scales vertical and horizontal which means either use a more powerful server or add more machines to fulfill resource requirements. While upgrading a single server installation inevitable gets to a point where costs rise faster than performance, adding some simple machines to the installation provides linear cost increase and a slightly more complex administration. One of the main principles of Open-Xchange Server 6 is the ability to utilize several medium sized servers. This guide will outline the basic principles of clustering Open-Xchange Server instances and provide load balancing to utilize all nodes of a cluster.