Communications of the ACM
Smooth is better than sharp: a random mobility model for simulation of wireless networks
MSWIM '01 Proceedings of the 4th ACM international workshop on Modeling, analysis and simulation of wireless and mobile systems
Gossip-Based Computation of Aggregate Information
FOCS '03 Proceedings of the 44th Annual IEEE Symposium on Foundations of Computer Science
Computer
Gossip-based aggregation in large dynamic networks
ACM Transactions on Computer Systems (TOCS)
Geographic gossip: efficient aggregation for sensor networks
Proceedings of the 5th international conference on Information processing in sensor networks
IEEE/ACM Transactions on Networking (TON) - Special issue on networking and information theory
Minimizing churn in distributed systems
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Gossiping on MANETs: the beauty and the beast
ACM SIGOPS Operating Systems Review - Gossip-based computer networking
Distributed churn measurement in arbitrary networks
Proceedings of the twenty-seventh ACM symposium on Principles of distributed computing
Mesh based P2P streaming over MANETs
Proceedings of the 6th International Conference on Advances in Mobile Computing and Multimedia
On hierarchical routing in wireless sensor networks
IPSN '09 Proceedings of the 2009 International Conference on Information Processing in Sensor Networks
Milligram-scale high-voltage power electronics for piezoelectric microrobots
ICRA'09 Proceedings of the 2009 IEEE international conference on Robotics and Automation
Estimating churn in structured P2P networks
ITC20'07 Proceedings of the 20th international teletraffic conference on Managing traffic performance in converged networks
Geographic Gossip: Efficient Averaging for Sensor Networks
IEEE Transactions on Signal Processing
Slead: low-memory, steady distributed systems slicing
DAIS'12 Proceedings of the 12th IFIP WG 6.1 international conference on Distributed Applications and Interoperable Systems
LossEstimate: Distributed failure estimation in wireless networks
Journal of Systems and Software
Distributed online flash-crowd detection in P2P swarming systems
Computer Communications
Gossip-based density estimation in dynamic heterogeneous wireless sensor networks
International Journal of Autonomous and Adaptive Communications Systems
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With the ever increasing scale of dynamic wireless networks (such as MANETs, WSNs, VANETs, etc.), there is a growing need for performing aggregate computations, such as online detection of network churn, via distributed, robust and scalable algorithms. In this paper we introduce the ChurnDetect algorithm, a novel solution to the distributed churn estimation problem. Our solution consists in a gossiping-based algorithm, which incorporates a periodic reset mechanism (introduced as DiffusionReset). The main difference with existing state-of-the-art is that ChurnDetect does not require nodes to advertise their departure from the network nor to detect neighbors leaving the network. In our solution, all the nodes are interacting with each other wirelessly, by using a gossip-alike approach, thus keeping the message complexity to a minimum. We only use easy accessible information (i.e., about new nodes joining the network) rather than presuming knowledge on nodes leaving the system since that is highly unfeasible for most distributed applications. We provide convergence proofs for ChurnDetect, and present a number of results based on simulations and implementation on our local testbed. We characterize the performance of the algorithm, showcasing its distributed light-weight characteristics. The analysis leads to the conclusion that ChurnDetect is an attractive alternative to existing work on online churn estimation for dynamic wireless networks.