D3-P2P: Managing Distributed and Replicated Database in P2P Environment by Using Quorum System
Hemam Sofiane Mounine, Hidouci Khaled Walid
Journal of Digital Information Management, Vol. 10, No. 6, 2012.
DOI: 
Link: http://dline.info/fpaper/jdim/v10i6/1.pdf
Abstract:
The need for large-scale data sharing between autonomous and possibly heterogeneous decentralized systems on the Web led to the concept of P2P database systems. In this paper, we present D3- P2P a new architecture which allows to manage a distributed and replicated database, in Peer-To-Peer (P2P) system with high node dynamicity. This architecture is based on a quorum system to solve problems of concurrent update and nodes failure. The proposed architecture allows assigning a unique timestamp to each distributed transaction in order to build a local precedence order graph in each peer, to select the server replicas and to coordinate the distributed execution of the transaction. To avoid deadlock between nodes, we propose a fully distributed algorithm.