International Journal of Innovations in Engineering and Technology (IJIET)
The peer-to-peer approach to design large-scale systems has significant benefits including scalability, low cost of ownership, robustness, and ability to provide site autonomy. Peer-to-peer network represents a large portion of internet traffic, and becomes fundamental data sources. Because of lacking the security mechanism from third-party, P2P network will face some severe trust problems such as service faking and resource abusing by some malicious peers. The conventional security measures cannot be used to cater for this demand, whereas the scenario based on reputation has widely been accepted.