alexa Mitigating Malicious Activities by Providing New Ackno
ISSN ONLINE(2320-9801) PRINT (2320-9798)

International Journal of Innovative Research in Computer and Communication Engineering
Open Access

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Special Issue Article

Mitigating Malicious Activities by Providing New Acknowledgment Approach

G. S. Devi Lakshmi1, J. Rajasekaran2
  1. PG Student, Sri Subramanya College of Engineering and Technology, Palani, Tamilnadu, India1
  2. Assistant Professor, Sri Subramanya College of Engineering and Technology, Palani, Tamilnadu, India2
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Abstract

New Ack scheme is efficient in finding malicious nodes and effective in transmitting the date in the presence of malicious nodes. In MANET data transmission in the presence of malicious nodes is the major problem. In existing watchdog scheme, there are two parts namely watchdog and pathrater. The watchdog detects the malicious node. If it next node is fails transmit the data means it increase the failure counter and also if a particular fails to transmit the data within a particular period of time means also it increase the failure counter and marks that node as an malicious. Pathrater task is just filtering the malicious node from the future transmission. If pathrater filtering the malicious node and transmission will be with the low transmission power and collision occurrence is more. N the proposed Enhancement two schemes are used first scheme identifies the malicious node and generates malicious report. Second scheme verifies the malicious report and authenticates the sender that the particular node is malicious and finds a path to transmit the data in MANET.

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