Special issue on ´teletraffic engineering in communication systems´ [Editorial]

This Special Issue on Teletraffic Engineering in Communications Systems brings together six of the best research papers from academia, and reflects some of the latest and original achievements, with three very different papers concentrating on the resource allocation for quality of service (QoS) guarantee, traffic modelling, Internet traffic anomalies modelling and traffic-aware routing in cognitive radio (CR) network.