A unified computing system (UCS) is a data center model
that builds by integrating computing, networking and storage resources to increase the overall efficiency. This
architecture also enables centralized management. To put simply, UCS is a
system of servers, storage, a network and a storage network that works on a
Cisco designed the first UCS in April 2009, and after that many companies have developed UCS like Sun's Modular Datacenter, InteliCloud's 360, Hewlett-Packard’s Blade System Matrix, and Liquid Computing's LiquidIQ.