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Research on Trust Evaluation Based Secure Clustering Algorithm in Tactical Internet

Author: LiuMin
Tutor: HanJiHong；WangYaDi
School: PLA Information Engineering University
Course: Military Equipment
Keywords: Tactical Internet Trust Evaluation Membership cloud theory Secure clustering Simulation
CLC: TP393.08
Type: Master's thesis
Year: 2010
Downloads: 77
Quote: 0
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Abstract


Tactical Internet plays a very important role in the digital warfare , due to its dynamic topology changes , self - organizing network , the use of wireless communications , deployed on the battle front, and features the tactical Internet than any other military networks are facing greater security threats . The sub - cluster structure is typical of the Tactical Internet network structure, has important practical significance to study the safety important considerations clustering algorithm . Tactical characteristics of the Internet and the security challenges facing effective management nodes to reduce the control overhead , and to ensure the security of the communication between nodes , this study design and simulation of the tactical Internet Security clustering algorithm , the main work is as follows : in -depth study of a typical trust evaluation model and analysis on the basis of the needs of the tactical Internet trust , comprehensive reflection of the trust itself with fuzziness and randomness , will be set up under the cloud theory is applied to trust evaluation , trust space , the space of trust , trust the cloud and the level of trust cloud definition of trust evaluation model based on trust cloud . Low - level cluster , Senior cluster and inter-cluster node trust evidence acquisition, trusted computing , trusted updates and determination of the level of trust are described , and the network structure of the two - stage clustering , accuracy , practicality and efficiency of the model were analyzed. (2) In order to achieve credible clustering structure , combined with the characteristics of the military establishment , based trusted cloud trust evaluation model is applied to the clustering algorithm , Secure clustering algorithm for tactical Internet environment . Including the initial cluster generation algorithms and cluster maintenance algorithm in two parts . Initial cluster generation algorithm by cluster head election , the convergence of computing and distributed gateway process . Depending on the types of events trigger cluster maintenance , cluster maintenance the algorithm node trust - based cluster maintenance and maintain the cluster node - based movement can be divided into two parts . Use the simulation tool NS-2 based on trust evaluation in tactical Internet Secure clustering algorithm TEBSCA to evaluate performance , and the performance of stability , load balancing and network overhead compared with other typical clustering algorithm , safety performance and Beth trust model to compare the experimental results show good performance of this program .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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