• that centrally store data
• that run applications like accounting and billing
• for phone systems - Voip or Land-line
• that provide data redundancy and disaster recovery
• that run Internet services - Web, eMail
• that run entertainment systems - Audio, video

• Scalable capacity for compute, data, and transaction intensive applications, including support of mixed workloads
• Horizontal and vertical scalability without downtime
• Ability to handle unexpected peaks in workload
• Central system management of a single systems image
• 24 x 7 availability

• High Availability or Failover Clusters
• Load Balancing Cluster
• Parallel/Distributed Processing Clusters

Businesses need servers to centrally distrbute and store business critical and collabrative files, customer and vendor data, and applications that collect that data.

A collection of computers that act as a single supercomputer capable of handling many requests for services and information almost instantly. The main benefits of clusters are scalability, availability, and performance. Clusters allow your information to flow at the speed of business.