在第1部分，我们介绍了事务处理监视器(TPM)这个概念，TPM是一个程序，它代表应用程序协调分布式事务的执行。
In Part 1, we introduced the concept of a transaction processing monitor (TPM), a program that coordinates the execution of distributed transactions on behalf of an application.
两阶段提交允许多个协作实体(称为资源管理器)参与到由事务协调器进行协调的单个分布式工作单元中。
A two-phase commit allows several cooperating entities, known as resource managers, to participate in a single distributed unit of work coordinated by a transaction coordinator.
在许多情况下，有可能无法依赖底层的事务管理器，在受影响的系统之间协调分布式事务。
In many cases it may not be possible to rely on the underlying transaction manager to coordinate a distributed transaction among affected systems.
在本文中，我介绍了使用事务管理器控制一组事务的分布式事务协调服务的原型实现。
In this article, I have presented a prototype implementation of a distributed transaction coordination service that USES a transaction manager to control a set of transactions.
Appl1是一个初始应用程序，它希望完成分布式事务，因此它向协调器注册事务的完成协议。
Appl1 is the initiating application, and, because it wants to finish the distributed transaction, it registers with the coordinator for the completion protocol of the transaction.
Appl1是一个初始应用程序，它希望完成分布式事务，因此它向协调器注册事务的完成协议。
Appl1 is the initiating application, and, because it wants to finish the distributed transaction, it registers with the coordinator for the completion protocol of the transaction.
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