【作者】 寇玮华； 徐扬；

【机构】 西南交通大学智能控制开发中心；

【摘要】 <正>1引言目前已经研究出许多分布式事务提交协议,如两阶段提交(2PC)协议、假提交两阶段(PC2PC)协议、假夭折两阶段(PA2PC)协议、三阶段提交(3PC)协议及乐观两阶段更多还原

【Abstract】 In the developmental process of DDBS,the Link of among sites is various,so parallel Layered Link is researched. Based on parallel Layered Link,parallel layered link 2PC(P2L2PC)protocal is put forward.In this paper, the basic idea of P2L2PC protocal,taking into time limit account,is described first.Then the basic executive process of P2L2PC protocal is presented.To establish the protocal of exception handles and reconvertting,at last to study and deduce the protocal in terminative transaction.更多还原