During the early years of computing, computers were so large and bulky that they needed to be housed in a room or an entire floor of a building. These gigantic computers were also being maintained round the clock to keep them working at all times. These computers were air conditioned to prevent overheating and were even guarded to avert trespassing and theft. As microcomputers or desktop computers were slowly becoming more and more common, those huge computers were slowly being phased out. Gone were the days when a computer unit would fill an entire room, newer computers became smaller and more portable, and as a result eliminating the need for a large space. Now all you need is a small computer table and you're all set. Although the computer rooms where data processing took place went out of style for a while, its uses were resurrected when companies, especially those whose main line of business rely on the Internet, began constructing data centers where their system solutions were stored. And it was just like the computer facilities of the old days replete with air conditioners and security, except that the information technology (IT) equipment being used where the most modern. They are now called as data centers. Revival of this data storage system grew by leaps and bounds during the so-called "dot com" era in the '90s. For huge businesses that depend on super fast computers to process data without interruption, data centers are the answer to their needs for continuity of their operations. In these areas, there has to be uninterrupted flow of data transmission from the host to the clients and vice versa. This is especially true for a lot of Internet-based business organizations that cater to millions of clients worldwide like Amazon, eBay, Yahoo, Google, Facebook, among many others. For the above-mentioned companies, data centers are like the bloodstream of their businesses where information and transactions meet, meld, and joined in electronically. An hour of interruption, like when the Internet goes down, could mean financial and social disaster for these businesses. There has to be a sufficient or even above sufficient storage space and network connection for the operations to run up to speed. For smaller business entities who do not have the financial capacity to build its own data center but would need its services, they can just outsource so that their needs are being catered to without having to spend millions of dollars.
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