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has been cited by the following article:

• TITLE: Security Approaches in IEEE 802.11 MANET—Performance Evaluation of USM and RAS

  AUTHORS: Arif Sari

  KEYWORDS: MANET, RAS, USM, Denial of Service, Security, IEEE 802.11, Jamming Attack

  JOURNAL NAME: International Journal of Communications, Network and System Sciences, Vol.7 No.9, September 2, 2014

  ABSTRACT: Evaluation of IEEE 802.11 Mobile Ad Hoc Networks (MANET) security issues becomes significant concern for researchers since Denial of Service (DoS) attacks are recognized as one of the most harmful threats. A variety of security mechanisms are proposed to solve security dilemma in MANETs against different layers of DoS attacks. Physical Layer jamming attacks exhaust the victim’s network resources such as bandwidth, computing power, battery, etc. Unified Security Mechanism (USM) and Rate Adaptation Scheme (RAS) are two of the proposed methods by researchers against DoS attacks. USM and RAS mechanisms are simulated through OPNET simulator and Jamming Attack is generated on the network for each security mechanisms to compare specific performance metrics on the network.