A computer network having multiple, dissimilar network devices includes a system for implementing high-level, network policies. The high-level policies, which are generally device-independent, are translated by one or more policy servers into a set of rules that can be put into effect by specific network...http://www.google.de/patents/US6167445?utm_source=gb-gplus-sharePatent US6167445 - Method and apparatus for defining and implementing high-level quality of service policies in computer networks
