1999 Linux Symposium
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IP QOS (Quality of Service

The tutorial will introduce, via a live demo, configuration and setup of a hidden gem in Linux 2.2.* networking -- Linux Traffic Control. Linux TC was written by Alexey Kuznetsov. It provides administrators more control over who uses their bandwidth. If you have heard of the new hype term QoS -- then TC provides the framework for QoS which is more flexible and powerful than any known OS in the market today.

Consider a Service Provider, who wishes to control which visitors to a web site are more important than others (free versus paying customers) and should get a relatively faster and better service. Before TC, this would have needed very expensive equipment. With TC, the control could be done within the server via a configuration script which could be activated via a crontab (bandwidth gets cheaper after midnight ;->). The granularity of control is very powerful.

For example, depending on the setup, it could be at the IP, TCP, UDP etc i.e control could be provided either by application (FTP gets less bandwidth than HTTP) or per IP address or ranges or a mixture of all these parameters.

TC truly takes Linux to new breaking ground unexplored by any other OS.


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