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In order to effectively manage network resources and to serve different traffic needs, several works have been done in the QoS area. Basically, ldquomulti-field (MF) packet classifiersrdquo classify a packet by looking for multiple fields of the IP/TCP headers, recognize which flow the packet belongs to, and according to this information, provide service differentiation in IP networks. However, for...
This paper proposes the complete QoS (quality of service) architecture for integration of LEO satellite with infrastructure networks. The technology, service differentiation mechanisms, network control mechanisms and user-to-networks mechanisms are discussed. The modules required in the network elements and its integration to provide end-to-end QoS in LEO satellite networks are presented. The proposed...
The advances in wireless communications and growth of real-time applications have necessitated the development of wireless networks that can support high Quality of Service (QoS). Unfortunately, support for real time traffic in such networks is still in its infancy. In this paper, we introduce a new MAC protocol, called Multi-rate Multi-hop QoS-aware MAC Protocol (MMMP) for Ad hoc networks that concurrently...
The lack of practical optical buffer technology makes quality of service provisioning a challenge in optical burst switched networks. The schemes that have been proposed to achieve service differentiation typically work on a burst-by-burst basis. Very few exploit the long-lived nature of high priority flows generated by real-time applications which are increasingly being deployed over the Internet...
In this paper, we propose two novel schemes, which prevent starvation of low priority traffic in the IEEE 802.11e MAC layer protocol, and at the same time ensure proper service differentiation and QoS to high priority traffic. A study of the starvation of low priority traffic in the IEEE 802.11e MAC layer protocol is presented. We also study the effectiveness of dynamic MAC parameters in achieving...
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