An increasing number of projects use Linux and other open-source software as basic building blocks to create clusters. Examples range from clusters that perform massive computations of visual effects ...

A third advantage is transparency: the cluster is presented to the users as a single IP that maps requests to multiple servers at the back end. The Linux Virtual Server follows the multiserver model ...

With the free Citrix XenServer virtualization platform, it's easy to create a highly available virtual server cluster; here's how High availability used to be expensive, requiring both specialized ...