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A Fast Path Recovery Scheme for Publish/Subscribe in Mobile Ad Hoc Networks

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3 Author(s)
Sang-chul Moon ; Inf. & Commun. Univ., Daejeon ; Yangwoo Ko ; Dongman Lee

This paper analyzes previous work on publish/subscribe in mobile ad-hoc networks with respect to collaboration methods among distributed event brokers. Our experiments suggest that approaches based on event delivery trees are suitable for a scenario where people are served by various personalized services in public spaces. However, these approaches based on independent periodic beaconing may fail to reflect the current network topology while building event delivery paths during path maintenance. For this reason they do not correctly recover a broken path caused by node mobility, which results in lower event delivery ratios. This paper proposes a scheme for building and maintaining event delivery paths based on initiating advertisements from the root node. This guarantees correct recovery of event delivery paths within each beacon period. Our experiments show that, our proposed scheme gives a better event delivery ratio with lower overhead.

Published in:

Computer and Information Technology, 2007. CIT 2007. 7th IEEE International Conference on

Date of Conference:

16-19 Oct. 2007