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

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Chapter 1

Transforming the Data Center Network

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

In recent years, there have been many fundamental changes in the architecture of modern data centers. New applications have emerged, including cloud computing, big data analytics, real-time stock trading, and more. Workloads have evolved from a predominantly static environment into one that changes over time in response to user demands, often as part of a highly virtualized, multitenant data center. In response to these new requirements, data center networks have also undergone significant change. Conventional network architectures, which use Ethernet access, aggregation, and core tiers with a separate storage area network, ...

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