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Neighbor Similarity Trust against Sybil Attack in P2p E-Commerce

ABSTRACT

In this paper is based on networking to predict an trust to establish Peer to peer (P2P) e-commerce Electronic commerce or ecommerce is a term for any type of business, or commercial transaction, that involves the transfer of information across the Internet applications exist at the edge of the Internet with vulnerabilities to passive and active attacks. The attacks occur using interactions between the trading peers as a transaction takes place. In this paper, we propose Sybil attack, an active attack, it means some data is missing in transferring the data from one place to another place this is called active attack. And passive attack means data is not missing in transferring the data from one place to another place this is called passive attack. a central authority control is used in existing system. In our proposed system two techniques we are using Sybil trust central authority control and Homogeneous configuration. In our approach, duplicated Sybil attack peers can be identified as the neighbor peers become acquainted and hence more trusted to each other. Security and performance analysis shows that Sybil attack can be minimized by our proposed neighbor similarity trust. Each peer has an identity, which is either honest or   Sybil.

EXISTING SYSTEM	PROPOSED SYSTEM
EXISTING CONCEPT: - In Existing system was concentrates on social networks and trusted certification, has not been able to prevent Sybil attack peers from doing transactions Our work exploits the neighbor similarity trust relationship to address Sybil attack restriction helps to bind the number of peers against any additional attack among the neighbors.	PROPOSED CONCEPT: - In Proposed system are establish. In this paper, we focus on the active attacks in P2P e-commerce.   When a peer is compromised, all the information will be extracted.
EXISTING TECHNIQUE:- Sybil Central Authority	PROPOSED TECHNIQUE: - Computation cost. Homogeneous Configuration.
TECHNIQUE DEFINITION: Sybil attacks have appeared in many scenarios, with wide implications for security, safety and trust. For example, an internet poll can be rigged using multiple IP addresses to submit a large number of votes.	TECHNIQUE DEFINITION:- In this paper, the principal building block of Sybil-trust approach is the identifier distribution process. In the approach, all the peers with similar behavior in a group can be used as identifier source.
DRAWBACKS: Data inconsistency to be unvested by network is not validating. Time interval was sustained by means of misintersection process.	ADVANTAGES:-  Time consumption is determined by the process of Sybil trust Ensure the peer connection to establish attack detection.