The previous two chapters incrementally introduced different ways to interact with the network devices. In Chapter 2, Low Level Network Device Interactions, we discussed Pexpect and Paramiko that manage an interactive session automatically. In Chapter 3, API and Intent-Driven Networking, we saw that networking is not just about individual devices, as it is a way for us to connect individual parts together, but our overall goal typically requires a higher business logic. For example, imagine this hierarchy of thought process from forming our business objective to actually perform an action on a networking device (with the top being close to the business logic): we looked at various APIs that provide a structured way of feedback from device as well as some well-defined command structure. Both of the methods are fairly low level, meaning...
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Mastering Python Networking
Mastering Python Networking
Overview of this book
This book begins with a review of the TCP/ IP protocol suite and a refresher of the core elements of the Python language. Next, you will start using Python and supported libraries to automate network tasks from the current major network vendors. We will look at automating traditional network devices based on the command-line interface, as well as newer devices with API support, with hands-on labs. We will then learn the concepts and practical use cases of the Ansible framework in order to achieve your network goals.
We will then move on to using Python for DevOps, starting with using open source tools to test, secure, and analyze your network. Then, we will focus on network monitoring and visualization. We will learn how to retrieve network information using a polling mechanism, ?ow-based monitoring, and visualizing the data programmatically. Next, we will learn how to use the Python framework to build your own customized network web services.
In the last module, you will use Python for SDN, where you will use a Python-based controller with OpenFlow in a hands-on lab to learn its concepts and applications. We will compare and contrast OpenFlow, OpenStack, OpenDaylight, and NFV. Finally, you will use everything you’ve learned in the book to construct a migration plan to go from a legacy to a scalable SDN-based network.
Table of Contents (14 chapters)
Preface
Free Chapter
Review of TCP/IP Protocol Suite and Python Language
Low-Level Network Device Interactions
API and Intent-Driven Networking
The Python Automation Framework - Ansible Basics
The Python Automation Framework - Ansible Advance Topics
Network Security with Python
Network Monitoring with Python - Part 1
Network Monitoring with Python - Part 2
Building Network Web Services with Python
OpenFlow Basics
Advanced OpenFlow Topics
OpenStack, OpenDaylight, and NFV
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