Patents

• ``Distributed recovery with K-optimistic logging,'' (with Om Damani and Yi-Min Wang, AT&T) U.S. Patent Number 5,938,775. Awarded August 99.
• ``Optimistic Distributed Simulation based on transitive dependency tracking,'' (with Om Damani and Yi-Min Wang, AT&T) U.S. Patent Number 6,031,987. Awarded 02/29/2000, U.S. patent 6,341,262 issued Jan 22, 2002
• ``Software fault tolerance of concurrent programs using controlled re-execution,'' (with A. Tarafdar), U.S. Patent Number 6,772,367. Awarded 08/03/2004.