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Performance Tuning for Linux® Servers by Badari Pulavarty, Gerrit Huizenga, Sandra K. Johnson

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Chapter Twelve. Network Tuning

By Nivedita Singhvi

Introduction

The Linux kernel makes available a large set of kernel variables that can be tuned to configure the system for functionality and optimum performance. Additionally, the kernel makes a large amount of information about the system available to the user. Utilizing this information to ensure the system's health and detect problems in configuration and the network are critical performance tasks.

The predominant networking environment that applications run on is the TCP/IP (transport control protocol/Internet protocol) network protocol stack, with IP version 4 currently the standard. Linux is widely used as a platform to host network infrastructure services such as web servers, mail servers, ...

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