Quality of Service (QoS) Routing in Mobile Ad Hoc Networks

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Author(s): R. Asokan (Kongu Engineering College, India)and A. M. Natarajan (Bannari Amman Institute of Technology, India)
Copyright: 2010
Pages: 33
Source title: Quality of Service Architectures for Wireless Networks: Performance Metrics and Management
Source Author(s)/Editor(s): Sasan Adibi (University of Waterloo, Canada), Raj Jain (Washington University in St. Louis, USA), Shyam Parekh (Alcatel-Lucent, USA)and Mostafa Tofighbakhsh (AT&T Labs, USA)
DOI: 10.4018/978-1-61520-680-3.ch020

Keywords: Information Science Reference / Media & Communications / Mobile and Wireless Computing / Wireless Systems

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Abstract

A Mobile Ad hoc NETwork (MANET) consists of a collection of mobile nodes. They communicate in a multi-hop way without a formal infrastructure. Owing to the uniqueness such as easy deployment and self-organizing ability, MANET has shown great potential in several civil and military applications. As MANETs are gaining popularity day-by-day, new developments in the area of real time and multimedia applications are increasing as well. Such applications require Quality of Service (QoS) evolving with respect to bandwidth, end-to-end delay, jitter, energy etc. Consequently, it becomes necessary for MANETs to have an efficient routing and a QoS mechanism to support new applications. QoS provisioning for MANET can be achieved over different layers, starting from the physical layer up to the application layer. This chapter mainly concentrates on the problem of QoS provisioning in the perception of network layer. QoS routing aims at finding a feasible path, which satisfies QoS considering bandwidth, end-to-end delay, jitter, energy etc. This chapter provides a detailed survey of major contributions in QoS routing in MANETs. A few proposals on the QoS routing using optimization techniques and inter-layer approaches have also been addressed. Finally, it concludes with a discussion on the future directions and challenges in QoS routing support in MANETs.

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