1. Introduction

The purpose of this document is to suggest a way to manage outbound traffic on an ADSL (or cable modem) connection to the Internet. The problem is that many ADSL lines are limited in the neighborhood of 128kbps for upstream data transfer. Aggravating this problem is the packet queue in the ADSL modem which can take 2 to 3 seconds to empty when full. Together this means that when the upstream bandwidth is fully saturated it can take up to 3 seconds for any other packets to get out to the Internet. This can cripple interactive applications such as telnet and multi-player games.

1.1. New Versions of This Document

You can always view the latest version of this document on the World Wide Web at the URL: http://www.tldp.org.

New versions of this document will also be uploaded to various Linux WWW and FTP sites, including the LDP home page at http://www.tldp.org.

1.2. Email Discussion List

For questions and update information regarding ADSL Bandwidth Management please subscribe to the ADSL Bandwidth Management email list at http://jared.sonicspike.net/mailman/listinfo/adsl-qos.

1.3. Disclaimer

Neither the author nor the distributors, or any other contributor of this HOWTO are in any way responsible for physical, financial, moral or any other type of damage incurred by following the suggestions in this text.

1.4. Copyright and License

This document is copyright 2002 by Dan Singletary, and is released under the terms of the GNU Free Documentation License, which is hereby incorporated by reference.

1.5. Feedback and corrections

If you have questions or comments about this document, please feel free to contact the author at dvsing@sonicspike.net.

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