A Colocation Facility is a data center building for servers and equipment that can directly connect to Internet network backbones. Colocation Facilities are used by businesses to provide reliable, secure, redundant, Internet connectivity and space for websites, applications, and important data. Most data center facilities offer additional managed network service and onsite support for all aspects of WAN connectivity and security. Colocation Facility space is sold by the rack or cage with additional options for power, cooling, and data back-up available. Colocation Facilities are also known as Data Center Facilities, Data Colocation, Data Center Colocation, Colocation Space, Colocation Server Hosting, Colocation Data Center, or Colo Hosting.