Chapter 11

Multi-Site Designs

Terms such as active-active and active-passive are often discussed when data center designs are considered. Enterprises are generally looking for data center solutions that provide or have the capability to provide geographical redundancy for their applications. These statements mean different things to different enterprises. However, more and more IT organizations must provide a data center environment that is continuously available. Customers expect applications to always be available, even if the entire data center experiences a failure. Enterprises also need to be able to place workloads in any data center where computing capacity exists—and they often need to distribute members of the same cluster across ...

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