Book Image

DevOps for Networking

By : Steven Armstrong
Book Image

DevOps for Networking

By: Steven Armstrong

Overview of this book

Frustrated that your company’s network changes are still a manual set of activities that slow developers down? It doesn’t need to be that way any longer, as this book will help your company and network teams embrace DevOps and continuous delivery approaches, enabling them to automate all network functions. This book aims to show readers network automation processes they could implement in their organizations. It will teach you the fundamentals of DevOps in networking and how to improve DevOps processes and workflows by providing automation in your network. You will be exposed to various networking strategies that are stopping your organization from scaling new projects quickly. You will see how SDN and APIs are influencing DevOps transformations, which will in turn help you improve the scalability and efficiency of your organizations networks operations. You will also find out how to leverage various configuration management tools such as Ansible, to automate your network. The book will also look at containers and the impact they are having on networking as well as looking at how automation impacts network security in a software-defined network.
Table of Contents (19 chapters)
DevOps for Networking
About the Author
About the Reviewer

Initiating a change in behavior

The networking OSI model contains seven layers, but it is widely suggested that the OSI model has an additional eighth layer named the user layer, which governs how end users integrate and interact with the network. People are undoubtedly a harder beast to master and manage than technology, so there is no one size fits all solution to the vast amount of people issues that exist. The seven layers of OSI are shown in the following image:

Initiating cultural change and changes in behavior is the most difficult task an organization will face, and it won’t occur overnight. To change behavior there must first be obvious business benefits. It is important to first outline the benefits that these cultural changes will bring to an organization, which will enable managers or change agents to make business justifications to implement the required changes.

Cultural change and dealing with people and processes is notoriously hard, so divorcing the tools and dealing with...