关键词: 云计算, 数据中心, 事务内存, 锁, 应用节点, 事务对象

Abstract: This paper presents a distributed programming framework based on transactional memory，which is suitable for the data center composed by computer clusters.The framework encapsulates tasks of cloud computing into transactions，scheduling，load balancing and fault recovery of all transactions are executed automatically，encapsulates distributed data of the data center into transactional objects，ensures the ACID properties when transactional objects are accessed meanwhile.Compared with similar studies，it does not require the user caring about the parallelization control when programming，so it is easy to use.The framework has been implemented in the simulation environment，and the experimental results show that it has good scalability and fault tolerant ability.

Key words: cloud computing, data center, transactional memory, lock, application node, transactional object