On service differentiation in mobile Ad Hoc networks

被引：0
|
作者：
张顺亮
叶澄清
机构：
[1] China
[2] Hangzhou 310027
[3] Zhejiang University
[4] College of Computer Science & Engineering
来源：
Journal of Zhejiang University-Science A(Applied Physics & Engineering) | 2004年 / 09期
关键词：
Mobile Ad Hoc networks; IEEE802.11; DIFS; Service differentiation; QoS (Quality of Service);
D O I：
暂无
中图分类号：
TN929.5 [移动通信];
学科分类号：
080402 ; 080904 ; 0810 ; 081001 ;
摘要：
A network model is proposed to support service differentiation for mobile Ad Hoc networks by combining a fully distributed admission control approach and the DIFS based differentiation mechanism of IEEE802.11. It can provide different kinds of QoS (Quality of Service) for various applications. Admission controllers determine a committed bandwidth based on the reserved bandwidth of flows and the source utilization of networks. Packets are marked when entering into networks by markers according to the committed rate. By the mark in the packet header, intermediate nodes handle the received packets in different manners to provide applications with the QoS corresponding to the pre-negotiated profile. Extensive simulation experiments showed that the proposed mechanism can provide QoS guarantee to assured service traffic and increase the channel utilization of networks.
引用
收藏
页码：81 / 88
页数：8
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