© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
J. JanovicCisco ACI: Zero to Herohttps://doi.org/10.1007/978-1-4842-8838-2_1

1. Introduction: Datacenter Network Evolution

Jan Janovic1  
(1)
Prague, Czech Republic
 

What is a datacenter (or “data center,” which will be used interchangeably throughout the book)? It’s a fairly simple question at first blush to many IT professionals, but let’s start with proper definition of this term.

From a physical perspective, a datacenter is a facility used by various organizations to host their mission-critical data. Companies can invest in their own hardware and software resources, which will stay completely under their control, maintenance, and operation, or consume services ...

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