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Handbook of Fiber Optic Data Communication, 4th Edition by Casimer DeCusatis

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Chapter 12

Disaster Recovery and Data Networking

Casimer DeCusatis,      IBM Corporation, 2455 South Road, Poughkeepsie, NY

All modern data centers require some form of data backup or replication to protect the data from natural or man-made disasters and provide business continuity. Companies rely on their information systems to run daily operations. If a system becomes unavailable, company operations may be impaired or stopped completely. If critical data remains inaccessible for an extended period, the company may never recover and be forced to go out of business. It is necessary to provide a reliable infrastructure for IT operations in order to minimize any chance of disruption. In this chapter, we define the requirements for Tier 1 through ...

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