Providing Quality of Service (QOS) in an efficient and scalable manner in the Internet is a topic of active research. The technologies that have drawn the most attention are Integ...
—Differentiated Service (DiffServ) in combination with Multi-Protocol Label Switching (MPLS) is a promising technology in converting the best-effort Internet into a QoS-capable n...
Next-generation network (NGN) is a new concept and becoming more and more important for future telecommunication networks. This paper illustrates five function layers of NGN archit...