Understanding Data Center Fabrics, Part 1: Justifying Fabrics

Data center fabrics overcome the limitations of the Spanning Tree Protocol by allowing all paths on a network to be used, but without causing loops that could bring down the data center. Data center fabrics also often underpin network automation and orchestration initiatives. There are numerous ways to design a fabric, each with its pros and cons.
In this 9-lesson course, network architect and author Russ White explores the basics of fabric design and examines key considerations for network architects, operators, and engineers. He also explains key use cases for data center fabrics, using a simple leaf-spine topology by way of example.
In this first installment, you’ll learn what makes a data center fabric, fabric benefits, including flexibility and scalability; how a fabric differs from the traditional access, aggregation, and core models; and more. (And as a bonus, how to correctly pronounce “Clos” as in "Clos fabric").
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[@20dorko]

Russ I don't know how you do it but seems like your days have at least 48 hours instead of 24. Everyday I am trying my best to keep learning and to be productive as much as possible but when I look at people like you I feel really embarrassed :) . I would like to thank you for sharing your knowledge with community, you are truly inspirational. All the best.

[@kdeivasi]

Well said!, Russ is indeed a great inspiration