Abstract

the DIPDAM scheme is a fully-distributed message exchange framework designed to overcome the challenges caused by the decentralized and dynamic characteristics of mobile ad-hoc networks. The DIPDAM mechanism is based on three parts Path Validation Message (PVM) enables E2E feedback loop between the source and the destination, Attacker Finder Message (AFM) to detect attacker node through the routing path, and Attacker Isolation Message (AIM) to isolate the attacker from routing path and update the black list for each node then trigger to neighbors with updated information. The DIPDAM scheme was fully tested on the OLSR routing protocol. In order to prove the efficiency of DIPDAM scheme on detection and isolation packet dropping attackers, DIPDAM is applied to another routing protocol category, AODV. AODV represents different concepts in routing path calculation and it is widely adopted. The comparison between the two routing protocol is tested on smart attackers. The goal from this comparison is to prove that the DIPDAM scheme can be applied to a different routing protocols category.

Highlights

  • A mobile ad-hoc network (MANET) is categorized under infrastructure less network where a number of mobile nodes communicate with each other without any fixed infrastructure between them

  • The results presented in the figure show that the AODV routing protocol achieves better average packet delivery ratio than OLSR routing protocol, especially when the number of attackers are relatively small

  • From the performance metrics figures, it is obvious that the DIPDAM scheme can be considered as an effective scheme to detect and isolate any number of attackers from routing paths, irrespective of the routing protocol type

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Summary

INTRODUCTION

A mobile ad-hoc network (MANET) is categorized under infrastructure less network where a number of mobile nodes communicate with each other without any fixed infrastructure between them. DIPD AM scheme enables routing protocols to detect packet dropping frauds. Source nodes in the network independently monitor the behavior of their own data when transferring through routing path, they need to collaborate in order to identify and isolate the intruders. This scheme is based on the reputation concept. In this paper the DIPDAM scheme is tested on two different MANETs routing protocols, the OLSR and the AODV. The detection accuracy and false positive rate are calculated for the two routing protocols

PREVIOUS WORK
COMPARING AODV AND OLSR PROTOCOLS
Resource usage
Mobility
If Source received AFMb came from Destination then
AIM Algorithm
PERFORMANCE METRICS
Percentage of Overhead
DETECTION ACCURACY AND FALSE POSITIVE VALIDATION TESTS
DISCUSSION
VIII. CONCLUSION
Findings
FUTURE WORK

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