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Multiprotocol Label Switching (MPLS) is an Internet Engineering Task Force (IETF) specified framework that provides for the efficient designation, routing, forwarding and switching of traffic flows through the network. MPLS is a versatile solution to address the problems faced by present-day networks like speed, scalability, quality-of-service (QoS) management, and traffic engineering. MPLS carries...
The problem of achieving fairness in the allocation of the bandwidth resource on a link shared by multiple flows of traffic has been extensively researched over the last decade. However, as these flows traverse a computer network, they share many different kinds of resources such as links, processor cycles, buffers and battery power, a critical resource in mobile devices. The ultimate goal should...
A number of analytical models have been proposed to describe the priority schemes of the enhanced distributed channel access (EDCA) mechanism of the IEEE 802.11e standard. EDCA provides a class-based differentiated quality of service (QoS) to IEEE 802.11 WLANs. Many have used a multiple number of nodes to study the differentiation behaviour of the model. However, in many real-life usage scenarios...
An analytical model is proposed to describe the priority schemes of the enhanced distributed channel access (EDCA) mechanism of the IEEE 802.11e standard. EDCA provides class-based differentiated quality of service (QoS) to IEEE 802.11 WLANs. The main contribution of this paper opposed to other works is that the model predicts the full delay distribution through its z-transform. Furthermore, the mean...
This paper analyses the behaviour and evaluates the performance of a new QoS DiffServ model, called FICC-DiffServ, as implemented in [I]. The implementation proposed a comprehensive framework for DiffServ networks. In the model, the fair intelligent congestion control (FICC) algorithm is applied to provide fairness among traffic aggregates and control congestion inside the networks. Simulation results...
Mobile ad hoc network is an autonomous system of mobile nodes characterized by wireless links. A major challenge lies in adapting multicast communication to environments where mobility is unlimited and failures are frequent. The multicasting concept deals with one to many data dissemination, many multicast routing algorithm have been proposed like ODMRP, CAMP, NTPMR and so on. In this paper we design...
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