A cell or packet-based Connection Admission Control (CAC) solution is provided for transmitting Protocol Data Units (PDU) such as Asynchronous Transfer Mode (ATM) user cells or Internet Protocol integrated and differentiated service packets. The CAC method and apparatus allocate network resources including...http://www.google.com/patents/US6608815?utm_source=gb-gplus-sharePatent US6608815 - Method and apparatus for connection admission control in cell or packet-based networks