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Journal of Zhejiang University SCIENCE A 2004 Vol.5 No.9 P.1087-1094


On service differentiation in mobile Ad Hoc networks

Author(s):  ZHANG Shun-liang, YE Cheng-qing

Affiliation(s):  College of Computer Science & Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   ycq@mail.hz.zj.cn

Key Words:  Mobile Ad Hoc networks, IEEE802.11, DIFS, Service differentiation, QoS (Quality of Service)

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ZHANG Shun-liang, YE Cheng-qing. On service differentiation in mobile Ad Hoc networks[J]. Journal of Zhejiang University Science A, 2004, 5(9): 1087-1094.

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publisher="Zhejiang University Press & Springer",

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A1 - ZHANG Shun-liang
A1 - YE Cheng-qing
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2004.1087

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.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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