August 2017
Intermediate to advanced
89 pages
2h 1m
English
Content preview from BGP in the Data Center
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Preface
This little booklet is the outcome of the questions I’ve frequently encountered in my engagement with various customers, big and small, in their journey to build a modern data center.
BGP in the data center is a rather strange beast, a little like the title of that Sting song, “An Englishman in New York.” While its entry into the data center was rather unexpected, it has swiftly asserted itself as the routing protocol of choice in data center deployments.
Given the limited scope of a booklet like this, the goals of the book and the assumptions about the audience are critical. The book is designed for network operators and engineers who are conversant in networking and the basic rudiments of BGP, and who want to understand how to deploy BGP in the data center. I do not expect any advanced knowledge of BGP’s workings or experience with any specific router platform.
The primary goal of this book is to gather in a single place the theory and practice of deploying BGP in the data center. I cover the design and effects of a Clos topology on network operations before moving on to discuss how to adapt BGP to the data center. Two chapters follow where we’ll build out a sample configuration for a two-tier Clos network. The aim of this configuration is to be simple and automatable. We break new ground in these chapters with ideas such as BGP unnumbered. The book finishes with a discussion of deploying BGP on servers in order to deal with the buildout of microservices applications ...
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