supported by the National Natural Science Foundation of China (Grants Nos. 60703072, 60673167);the Funds for Creative Research Groups of China (Grants No. 60621003);the National Basic Research Programof China (Grant No. 2005CB321801)
Building distributed applications is difficult mostly because of concurrency management. Existing approaches primarily include events and threads. Researchers and developers have been debating for decades to prove whi...