One word that you often see associated with any data center is its “tier,” or its level of service. Virtually every data center has a tier ranking of I, II, III, or IV, and this ranking serves as a symbol for everything it has to offer: its physical infrastructure, its cooling, power infrastructure, redundancy levels, and promised uptime.
Each data center tier ranking consists of several criteria and requirements that primarily focus on a data center’s infrastructure, levels of redundancy, and promised level of uptime. Here are some specifics on the factors that go in to each of the 4 tiers:
February 21, 2014 by Ben Hatton
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