1. http://www.ssfnet.org/
2. Amir, Y., Danilov, C., Stanton, J.: A low latency, loss tolerant architecture and protocol for wide area group communication. In: IEEE/IFIP International Conference on Dependable Systems and Networks (2000)
3. Apache DB Project. Apache Derby version 10.2 (2006),
http://db.apache.org/derby/
4. Babaoglu, O., Davoli, R., Montresor, A.: Group membership and view synchrony in partitionable asynchronous distributed systems: Specifications. Operating Systems Review 31(2) (1997)
5. Ban, B.: Design and implementation of a reliable group communication toolkit for Java (1998),
http://www.cs.cornell.edu/home/bba/Coots.ps.gz