Models and Techniques for Ensuring Reliability, Safety, Availability and   Security of Large Scale Distributed Systems
  17th International Conference on Control Systems and Computer Science (CSCS 17), Bucharest, Romania, May 26-29, 2009. Vol. 1, pp. 401-406, ISSN: 2066-4451. 
Valentin Cristea, Ciprian Dobre, Florin Pop, Corina Stratan, Alexandru   Costan, Catalin Leordeanu
cs.DC