Introducing Model-Driven Programmability

Overview

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In this course, you will learn about Model-Driven Programmability and its use of YANG data models to provide a standardized way to access network devices and their capabilities. You will be introduced to YANG's terminology and structures and the tools and protocols that rely on YANG, including NETCONF and RESTCONF. Additionally, you will learn how to use Python libraries to interact with NETCONF and RESTCONF-enabled systems. By the end of the course, you will have a comprehensive understanding of Model-Driven Programmability and YANG's importance in network automation. By the end of this course, you will be able to: - Explain the role YANG plays within a network automation context. - Describe the tools that exist to simplify working with YANG models. - Describe the functionality of RESTCONF and NETCONF and the differences between them. Proficiency in fundamental network routing & switching technologies, basics of Python programming (3-6 mos exp.), and basic Linux knowledge.

Syllabus

Course Introduction for Introducing Model-Driven Programmability

In this module, we will review the topics and what you will learn in this course.

Exploring YANG

Data models are abstract entities that organize elements of the data and standardize how the elements relate to each other. Network engineers interact with data models indirectly on a daily basis, as they navigate a command line to change or retrieve information. Knowing the structure and capabilities of these data models is crucial to unlocking the maximum potential of these new digital-ready network devices. YANG is the common language that is used to describe the capabilities of network devices and to create data models. This module begins to explore YANG and how it is used.

Using YANG Tools

"Yet Another Next Generation" (YANG) is a very sophisticated and sometimes daunting concept to learn. To understand it better, the open-source community and manufacturers like Cisco have created tools and environments that can help you better understand and use YANG. In this section, you will examine the tools that can be used to learn about, and ease the consumption of, YANG.

Automating Model-Driven APIs with Python

NETCONF and RESTCONF are programmatic interfaces for network devices that allow you to manage network infrastructure programmatically. Using YANG data models, NETCONF and RESTCONF provide a standardized way to programmatically read and modify the configuration data of a network device and perform general operations on networking devices.