Byung-Gon Chun Petros Maniatis Scott Shenker Diverse Replication for Single-Machine Byzantine-Fault Tolerance. 287-292 2008 USENIX Annual Technical Conference http://www.usenix.org/events/usenix08/tech/full_papers/chun/chun.pdf conf/usenix/2008 db/conf/usenix/usenix2008.html#ChunMS08