International Journal of Science and Research (IJSR) ISSN (Online): 2319-7064 Index Copernicus Value (2013): 6.14 | Impact Factor (2013): 4.438 Volume 4 Issue 6, June 2015 www.ijsr.net Licensed Under Creative Commons Attribution CC BY Misbehavior Packet Detection Approach using Effective Trust in Delay-Tolerant Networks Prerana S. Jagadale 1 , Prashant Jawalkar 2 1 P.G. Student, SavitribaiPhule Pune University, Department of Computer Engineering, BSIOTR, Wagholi, Pune, Maharashtra, India 2 Assistant Professor, SavitribaiPhule Pune University, Department of Computer Engineering, BSIOTR, Wagholi, Pune, Maharashtra, India Abstract: Delay Tolerant Network (DTN) have some unique network characteristics due to which finding a malicious and selfish behavior in the network is great challenge in DTN. So system with iTrust, a probabilistic misbehavior detection scheme for secure DTN routing towards efficient trust establishment is proposed here. The basic indication of iTrust is presenting a periodically existing Trusted Authority (TA) to judge the nodes behavior based on the collected routing evidences and probabilistically inspection. It also provide authentication in secure manner to all users in communication network. Proposed system will detect all the types of attack occurred in the network and detect the malicious user in network. Keywords: Attack,delay tolerant network, incentive scheme,iTrustmodel, misbehavior detection, security 1. Introduction DTN, Disruption Tolerant Networking is a networking architecture that is designed to provide communications in the most unbalanced and anxious environments, where the network would usually be issue to frequent and long lasting disruptions and high bit error rates that could severely degrade normal communications.The basic thoughtbehind DTN network is that endpoints are always continuously disconnected. To facilitate data transfer, DTN uses a store- and-forward scheme across a router that is more disruption tolerant than TCP/IP. Though, the DTN approach doesn’tmean that all DTN routers on a network would require large storage capacity in order to maintain end-to- end data integrity. Disruption Tolerant Networks are often used in disaster relief missions, peace-keeping missions, and in vehicular networks. If the nodes in a DTN are controlled by rational entities, such as people or organizations, the nodes can be behave selfishly and attempt to maximize their utilities and preserve their resources. Since routing is an inherently cooperative activity, system operation will be critically impaired unless cooperation is somehow incentivized. The need of end to end paths, high difference in network environment, and lengthy feedback delay in DTNs imply that existing solutions for mobile ad-hoc networks do not apply to DTNs. In DTNs, a node might misbehave by dropping packets purposely still when it has the capability to forward the data. Routing misbehavior can be caused by selfish (or rational) nodes that try to maximize their own benefits by enjoying the services provided by DTN while refusing to forward the packages for others, or malicious nodes that drip packets or modifying the packets to launch attacks. Themodern researches demonstrate that routing misbehavior will significantly reduce the packet delivery rate and, thus, carriage a serious threat against the network performance of DTN. Existing misbehavior detection schemes work well for the traditional wireless networks, the exclusive network features including lack of simultaneous path, high difference in network conditions, trouble to guess mobility patterns, and extended feedback delay have made the neighborhood monitoring based misbehavior detection scheme unsuitable for DTNs. Routing misbehavior will significantly reduce the packet delivery ratio and waste the resources of the mobile nodes that have carried and forwarded the dropped packets. The security overhead incurred by the forwarding history checking is critical for a DTN because expensive security operations will be translated into extra energy consumptions, which indicates an important challenge in resource- constrained DTN. These are some drawbacks of misbehavior detection scheme and also there are some security related problems in DTN. Even from the Trusted Authority (TA) viewpoint, misbehavior detection in DTNs certainly incurs a high inspection overhead, which includes the cost of gathering the forwarding history evidence through installed judge nodes and communication cost to TA. So, awell- organized and adaptive misbehavior detection and reputation management scheme is extremelyattractive in DTN. 2. Literature Review A. Know the Neighbor: Towards Optimal Mapping of Contacts to Social Graphs for DTN Routing Contacts seen in the history are aggregated to a social graph, and a range of metrics or algorithm have been planned to evaluate the value of a node to deliver content or bring it closer to the destination. In this paper, author argue that it is not so much the choice or complexity of social metrics and algorithms that bears the most weight on performance, but somewhat the mapping from the mobility process generating contacts to the aggregated social graph[2]. In this paper two well-known DTN routing algorithms SimBet and BubbleRap that rely on such composite network examination, and demonstrate that their performance greatly depends on how the mapping is performed.Author proposed online algorithm that uses concepts from unsupervised learning and spectral graph theory to assume this accurate graph structure, this algorithm allows each node to locally identify and correct to Paper ID: 22061503 2644
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International Journal of Science and Research (IJSR) ISSN (Online): 2319-7064
Index Copernicus Value (2013): 6.14 | Impact Factor (2013): 4.438
Volume 4 Issue 6, June 2015
www.ijsr.net Licensed Under Creative Commons Attribution CC BY
Misbehavior Packet Detection Approach using
Effective Trust in Delay-Tolerant Networks
Prerana S. Jagadale1, Prashant Jawalkar
2
1P.G. Student, SavitribaiPhule Pune University, Department of Computer Engineering, BSIOTR, Wagholi, Pune, Maharashtra, India
2 Assistant Professor, SavitribaiPhule Pune University, Department of Computer Engineering, BSIOTR, Wagholi, Pune, Maharashtra, India
Abstract: Delay Tolerant Network (DTN) have some unique network characteristics due to which finding a malicious and selfish
behavior in the network is great challenge in DTN. So system with iTrust, a probabilistic misbehavior detection scheme for secure DTN
routing towards efficient trust establishment is proposed here. The basic indication of iTrust is presenting a periodically existing Trusted
Authority (TA) to judge the nodes behavior based on the collected routing evidences and probabilistically inspection. It also provide
authentication in secure manner to all users in communication network. Proposed system will detect all the types of attack occurred in
the network and detect the malicious user in network.