A New Trust-based AODV Routing Protocol and Performance Optimization towards Wireless Ad Hoc Networks

doi:10.3969/j.issn.1671-1122.2018.02.006

Abstract

Abstract:

A novel secure AODV based on trust mechanism (SAODV-TM) was proposed in this paper. In SAODV-TM protocol, a security enhancement technology is designed based on trust mechanism, which employs global trust mechanism and local trust mechanism to compute the node trust degree, and the packet only be allowed to forwarded to the trust node. To improve protocol performance furthermore, based on ant colony algorithm, this paper improves SAODV-TM protocol (ACA-SAODV-TM), which adds positive pheromone in the node if the node is trust. ACA-SAODV-TM uses a novel routing packet called ant agent routing packet (AARP), and check the pheromone value saved in the routing table of the node and the shortest path to realize the routing optimization. Finally, this paper uses OPNET to compare ACA-SAODV-TM with SAODV-TM, AODV under DoS attack in terms of performance. The result shows that ACA-SAODV-TM outperforms other protocols in terms of packet delivery rate and network throughput significantly according to ACA.

Key words: mobile Ad Hoc networks, AODV, ant colony algorithm, trust mechanism

CLC Number:

TP309

Yang CHEN, Yong WANG. A New Trust-based AODV Routing Protocol and Performance Optimization towards Wireless Ad Hoc Networks[J]. Netinfo Security, 2018, 18(2): 40-47.

Figures/Tables 8

References 13

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