DocumentCode :
79199
Title :
cTrust: Trust Management in Cyclic Mobile Ad Hoc Networks
Author :
Huanyu Zhao ; Xin Yang ; Xiaolin Li
Author_Institution :
Dept. of Comput. Sci., Oklahoma State Univ., Stillwater, OK, USA
Volume :
62
Issue :
6
fYear :
2013
fDate :
Jul-13
Firstpage :
2792
Lastpage :
2806
Abstract :
Mobility model and network topology play important roles in mobile ad hoc networks (MANETs). Most existing trust and reputation management systems in a MANET do not address mobility issues adequately. In this paper, we study the trust management problem in a MANET with cyclic movement patterns. In a cyclic MANET (cMANET) where nodes periodically move, we formulate trust management problems and propose the cTrust scheme to handle trust establishment and aggregation issues. Unlike trust management in conventional schemes, trust management in cMANET involves not only neighbor trust relationships but location and time factors as well. We model trust relations as a trust graph in cMANET to enhance accuracy and efficiency of trust establishment among nodes. Leveraging the distributed Bellman-Ford algorithm and stochastic Markov chain process for fast and lightweight aggregation of trust scores, the cTrust scheme is a decentralized and self-configurable trust aggregation scheme. To evaluate the performance, we implement the proposed cTrust scheme. We use the student contact patterns on the National University of Singapore (NUS) campus and Seattle metro bus traces as case studies for our cMANET communication model. The simulation results demonstrate the features of trust relationship dissemination in real environments and the efficiency, accuracy, scalability, and robustness of the cTrust scheme. With increasing scales of ad hoc networks and complexities of trust topologies, cTrust scales well with marginal overheads.
Keywords :
Markov processes; graph theory; mobile ad hoc networks; telecommunication network topology; trusted computing; National University of Singapore; Seattle metro bus traces; cMANET; cTrust scheme; cyclic mobile ad hoc networks; cyclic movement patterns; distributed Bellman-Ford algorithm; mobility model; network topology; self-configurable trust aggregation scheme; stochastic Markov chain process; trust establishment; trust graph; trust management problem; trust topologies; Educational institutions; Markov processes; Mobile ad hoc networks; Network topology; Peer to peer computing; Transfer functions; Vectors; Distributed systems; mobile ad hoc networks; mobile networks; reputation management; trust management;
fLanguage :
English
Journal_Title :
Vehicular Technology, IEEE Transactions on
Publisher :
ieee
ISSN :
0018-9545
Type :
jour
DOI :
10.1109/TVT.2012.2230411
Filename :
6363621
Link To Document :
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