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In order to provide high speed broadband access to users in next generation networks, Gigabit Ethernet-Passive Optical Network (GE-PON) has emerged as one of the most promising technologies. The evolution of the GE-PON technology permits the users to connect to the Internet via gigabit access networks, which contribute to the increase of the network traffic in not only downstream but also along the...
The wide usage of IEEE 802.11 based wireless LANs have led to lots of interest in providing quality of service (QoS) guarantees in such networks. 802.11e is the QoS variant of the 802.11 family of protocols. But it has a twofold drawback. First, QoS requirements relevant to a given application are always fulfilled by the "statically" associated priority. Second, resource requests of the...
This paper proposed a new multi-metric dynamic priority MAC algorithm for 802.11e WLAN in order to fairly distribute the bandwidth among different kinds of traffic. Our main contribution is to dynamically adjust the priority of each queue and assign corresponding access parameters according to the value of priority function during update period. The waiting time of a packet in the queue and the ratio...
In the Internet literature, the concept of efficiency is mainly associated with the bandwidth allocation policy under which the network operates. Consequently, efficiency is measured as the ratio of the aggregate out flow to in flow traffic in a network. In situation of a constant charge per unit bandwidth to the users, a high efficiency fulfills the network provider's objectives of profit/revenue...
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