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Configuring IPCop Firewalls by James Eaton-Lee, Barrie Dempster

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Managing Bandwidth without a Cache

HTTP is not the only protocol on our networks that we need adequate bandwidth for. For example if we have online games or voice and video communication on our network, these services usually warrant higher priority than others due to their time-sensitive use. You wouldn't want to have a choppy voice conversation with a client because one of the users on the network is downloading large files, or on a home network, you wouldn't want to lose your high score in your online game because someone decided to start listening to their online radio station. This is where traffic shaping comes in.

Traffic Shaping Basics

In order to ensure Quality of Service (QoS), we have to control traffic so that high priority traffic ...

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