Abstract
Mobile adhoc networks are emerging as the most predominant wireless networking, where nodes communicate with each other on adhoc basis. MANETS are self configuring system of mobile nodes and they do not have any centralized resource or any static infrastructure. The most important challenge to be met while designing an efficient and reliable mobile adhoc network is quality of service and security. Adhoc networks have constrained power supply and dynamic topology and hence quality of service and security of the network may be affected. Since adhoc networks carry highly sensitive information in case of defense and military applications, it must be designed in a way to restrict any unauthorized access to the data. Any attack in routing may interrupt, disorder or destroy the overall communication and the entire network may be disabled. Thus, security plays an important role for working of the whole network. Adhoc networks must satisfy quality of service requirement. Assuring high quality of service in ad hoc networks is more difficult than in most other type of networks, because the network topology changes and network state information is generally inaccurate. This requires considerable collaboration between the nodes to establish the route and to provide the QoS. In this paper, CEDAR routing with group signature technique is introduced to satisfy the demand of security and quality of service. CEDAR is a core extraction distributed adhoc routing algorithm for mobile adhoc networks environment. CEDAR is a robust routing method and it provides highly efficient quality of service. CEDAR works on basis of link state bandwidth. It routes the data from one node to another node satisfying the required bandwidth. Group Signatures are used to provide authentication, integration and non repudiation requirements. Signature based CEDAR is used to make sure that communication is secure and information exchanged is correct while maintaining high Qos.
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More From: International Journal of Research in Engineering and Technology
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