Benjamin Wester James A. Cowling Edmund B. Nightingale Peter M. Chen Jason Flinn Barbara Liskov Tolerating Latency in Replicated State Machines Through Client Speculation. 245-260 2009 NSDI http://www.usenix.org/events/nsdi09/tech/full_papers/wester/wester.pdf conf/nsdi/2009 db/conf/nsdi/nsdi2009.html#WesterCNCFL09