SUSE Linux Enterprise is a highly reliable, interoperable, and manageable server OS built to power mission-critical workloads in physical and virtual environments. With this affordable, open source foundation, you can cost-effectively deliver core business services, enable secure networks, simplify heterogeneous infrastructure, and enhance efficiency and value. To get the most out of your mixed IT environment and deliver mission-critical data center services, add the SUSE Linux Enterprise Server High Availability Extension. SUSE Linux Enterprise High Availability Extension provides the ability for mission-critical applications to continue to deliver business value, 24 hours a day, every day. It does this by using high availability clustering to automate application and data recovery. Using flexible, policy-driven clustering solutions, it implements highly available Linux clusters and removes single points of failure.