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Efficient Event Delivery in Publish/Subscribe Systems for Wireless Mesh Networks

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4 Author(s)
Yuan Zheng ; Dept. of Comput., Hong Kong Polytech. Univ. ; Jiannong Cao ; Ming Liu ; Jinling Wang

Publish/subscribe (pub/sub) systems have been widely used in distributed computing systems for event notification and delivery. However, there is no existing work on pubsystems for wireless mesh networks (WMNs) which are regarded as a promising infrastructure for providing wireless Internet services to a wide area. In this paper, we propose the design of a pubsub system for WMNs. First, we describe a pubsystem model for WMNs to support mobile clients. Then, based on geographical routing and mobility prediction, we propose an event delivery protocol with low transmission overhead and delay to support mobile clients in a WMN. Our theoretical analysis shows that the transmission overhead and delay per event of the proposed protocol are only affected by the area of the region where the clients move, but not the speeds of mobile clients and the arrival rates of events. The analysis has been validated by the simulation results which show that our protocol can significantly improve the performance of event transmission in pubsub systems for WMNs compared with the previous solutions designed for other kinds of networks.

Published in:

2007 IEEE Wireless Communications and Networking Conference

Date of Conference:

11-15 March 2007