Chapter 3. YANG Explained

This chapter covers

  • What a YANG module looks like and what it contains

  • Building a simple YANG module, then extending it

  • How to describe tabular data in YANG

  • Defining actions, RPCs, and notifications

  • The fundamental difference between configuration and operational data

  • Why and how to ensure data is valid using constraints of many different types

  • Modeling data that is only relevant sometimes

  • Properly navigating with YANG pointers, using XPath

  • Augmenting YANG modules, evolving them over time

  • Network Management Datastore Architecture

Introduction

This chapter takes you on a journey to build a real, usable YANG model. This is done in stages with different themes, building up a more and more comprehensive model. Each stage ...

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