COSR: a reputation-based secure route protocol in MANET

  • Authors:
  • Fei Wang;Furong Wang;Benxiong Huang;Laurence T. Yang

  • Affiliations:
  • Electronic and Information Engineering Department, Huazhong University of Science & Technology, Wuhan, China;Electronic and Information Engineering Department, Huazhong University of Science & Technology, Wuhan, China;Electronic and Information Engineering Department, Huazhong University of Science & Technology, Wuhan, China;Department of Computer Science, St. Francis Xavier University, Canada

  • Venue:
  • EURASIP Journal on Wireless Communications and Networking - Special issue on multimedia communications over next generation wireless networks
  • Year:
  • 2010

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Abstract

Now, the route protocols defined in the Mobile Ad Hoc Network (MANET) are constructed in a common assumption which all nodes contained in such networks are trustworthy and cooperative. Once malicious or selfish nodes exist, all route paths built by these protocols must be broken immediately. According to the secure problems within MANET, this paper proposes Cooperative On-demand Secure Route (COSR), a novel secure source route protocol, against malicious and selfish behaviors. COSR measures node reputation (NR) and route reputation (RR) by contribution, Capability of Forwarding (CoF) and recommendation upon Dynamic Source Route (DSR) and uses RR to balance load to avoid hotpoint. Furthermore, COSR defines path collection algorithmby NR to enhance efficiency of protocol. At last, we verify COSR through GloMoSim. Results show that COSR is secure and stable.