Due to the increased evolution of multimedia applications deployed on the global network - the Internet, interests in this eld focused on the network's reliability and performance. The concern is to estimate network link sizes in an optimum way which imposes multiple challenges. One of these challenges is the allocation of resources among competitive demands of various applications taking into account the cost of the resources and the QoS requirements of traffic delivery. Without proper network planning, deploying multimedia applications in an IP network does not promise an acceptable QoS...