A traffic control application programming interface for abstracting the use of traffic control components to client applications to provide quality of service. The traffic control interface accepts input from a client application and based on that input, communicates with the operating system to control...http://www.google.de/patents/US7168078?utm_source=gb-gplus-sharePatent US7168078 - Method and system of a traffic control application programming interface for abstracting the use of kernel-level traffic control components