CHAPTER 1

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Introduction

This book deals with the implementation of the Linux Kernel Networking stack and the theory behind it. You will find in the following pages an in-depth and detailed analysis of the networking subsystem and its architecture. I will not burden you with topics not directly related to networking, which you may encounter while reading kernel networking code (for example, locking and synchronization, SMP, atomic operations, and so on). There are plenty of resources about such topics. On the other hand, there are very few up-to-date resources that focus on kernel networking proper. By this I mean primarily describing the traversal ...

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