Methods and system for service level agreement enforcement on a data-over-cable system. One or more service level agreements are created including one or more class-of-service or quality-of-service parameters. A pool of Internet Protocol addresses is allocated for the one or more service level agreements....http://www.google.co.uk/patents/US6553568?utm_source=gb-gplus-sharePatent US6553568 - Methods and systems for service level agreement enforcement on a data-over cable system