A piggybacking approach to reduce overhead in sensor network gossiping
Proceedings of the 2nd international workshop on Middleware for sensor networks
Asynchronous distributed P2P-SIP model for VoIP
GIIS'09 Proceedings of the Second international conference on Global Information Infrastructure Symposium
Cross-layer cluster-based data dissemination for failure detection in MANETs
Proceedings of the 7th International Conference on Network and Services Management
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Dependable mobile ad-hoc networks are being designed to provide reliable and continuous service despite the failure of some of their components. One of the basic building blocks that has been identified for such fault tolerant systems is the failure detection service which aims at providing some information on which hosts have crashed. In this paper, we present a new implementation of a failure detection service for wireless ad-hoc and sensor systems that is based on an adaptation of a gossip-style failure detection protocol and the heartbeat failure detector. We show that our failure detector is eventually perfect-That is, it satisfies both properties: strong completeness and eventual strong accuracy. Strong completeness means that there is a time after which every faulty mobile is permanently suspected by every fault-free host. While, eventual strong accuracy refers to the fact that no host will be suspected before it crashes.