Research ArticleOpen accessIn the keywordsA Grade-Based Incentive Mechanism for Peer-to-Peer NetworksS. Moses Dian, B. RamadossFree-riding is a desperate and a constant menace to many P2P systems, to violate the cooperation among peers. This study proposes a grade-based approach, which expeditiously maintains fairness in the network by encouraging the high contributed peers and altogether wiping out the free-riders. The Network Contribution Ratio determines the contribution of users globally. Besides, the proposed grading algorithm uses a … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 3 · 3 Sep 2012 · 7,489 accessesView PDFCite