Qos in node-disjoint routing for ad hoc networks

Authors:
Luo Liu;Laurie Cuthbert
Affiliations:
University of London, London, United Kingdom;University of London, London, United Kingdom
Venue:
Proceedings of the 4th ACM workshop on Performance evaluation of wireless ad hoc, sensor,and ubiquitous networks
Year:
2007

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Abstract

A mobile ad hoc network (MANET) is a collection of mobile nodes that can communicate with each other without using any fixed infrastructure. To support multimedia applications such as video and voice MANETs require an efficient routing protocol and quality of service (QoS) mechanism. Node-Disjoint Multipath Routing Protocol (NDMR) is a practical protocol in MANETs: it reduces routing overhead dramatically and achieves multiple node-disjoint routing paths. QoS support in MANETs is an important issue as best-effort routing is not efficient for supporting multimedia applications. This paper presents the limitation of NDMR and a novel adaptation of NDMR, QoS enabled NDMR, which introduces agent-based SLA management. This enhancement allows for the intelligent selection of node-disjoint routes based on network conditions, so fulfilling the QoS requirements of Service Level Agreements (SLAs).