A Data Center (DC) is a provision used to lodge digital systems like workstations, personal computers and various other correlated units such as storage and network components. A DC normally consists of backup electricity supply, redundant data link connections, ecofriendly environment which includes power-saving systems, proper air conditioning and surveillance devices. Generally, a large DC uses a lot of power, almost as much as a small town and is a conglomeration of multiple IT-equipped elements that include server racks, repository elements, networking devices, switches and firewalls.
Data Centers should also ideally contain sufficient infrastructure such as power distribution and backup of electricity supply system, including UPS, backup generators and much more. A DC should also be properly ventilated and there should be appropriate cooling systems such as ACs where the servers and other workstations are present, and competent provisioning for network carrier and connection.
There is a major difference between a DC and a Cloud. A Cloud basically is an off-premise computing technology that happens to stock data on the web, whereas a DC is an on-premise hardware space including a stack of racks and servers that store data on institution’s local network. Although both types of computer systems can store data; as a physical unit only a data center can store servers and other equipment. DCs are not characterized by their physical size. For instance, major organizations like Oracle, Twitter and technology giants like Google may use a huge amount of space in a DC while small-scale businesses operate well with a limited number of servers and storage capacity connected and enclosed within a convenient room.
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