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首页> 外文会议>Database and Expert Systems Applications; Lecture Notes in Computer Science; 4080 >Concurrency Management in Transactional Web Services Coordination
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Concurrency Management in Transactional Web Services Coordination

机译：事务性Web服务协调中的并发管理

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The Business Process Execution Language BPEL4WS has emerged to introduce process dimension in Web Services coordination. At the same time, a lot of needs related to business process management appeared. In this article we focus on transactional management in Web Services platforms. WS-Transaction specification had a big impact on usage of Web Services in critical situations such as financial services. This usage of transactions in web services coordination also introduced concurrency problems similar to those encountered in transactional databases world due to hard transactional constraints especially for isolation mechanisms. Today, WS-Transactions provide flexible atomicity in Web Services coordination (WS-BusinessActivity) but isolation flexibility is not provided. Isolation mechanisms used today are not really adapted to Service Oriented environments and we aim to make them more 'process friendly'. In this paper, we focus on this important part of concurrency problems and propose a new view of WS-Transactions based on Behavioural Spheres approach. This contribution suggests a reorganisation of the WS-Coordination framework adding WS-IsolationSphere for isolation management and the WS-Sphere coordination type for generalising any behaviour management in Web Services coordination.
机译：业务流程执行语言BPEL4WS的出现是为了在Web服务协调中引入流程维度。同时，出现了许多与业务流程管理相关的需求。在本文中，我们重点介绍Web服务平台中的事务管理。 WS-Transaction规范对金融服务等紧急情况下Web服务的使用产生了重大影响。 Web服务协调中事务的这种用法还引入了并发问题，这与事务数据库领域中遇到的类似，这是由于硬事务约束（尤其是隔离机制）引起的。如今，WS-Transactions在Web服务协调（WS-BusinessActivity）中提供了灵活的原子性，但没有提供隔离的灵活性。今天使用的隔离机制并没有真正适应面向服务的环境，我们的目标是使它们更加“流程友好”。在本文中，我们重点关注并发问题的这一重要部分，并提出了一种基于行为领域方法的WS-Transactions的新观点。此贡献表明将对WS-Coordination框架进行重组，添加用于隔离管理的WS-IsolationSphere和用于概括Web服务协调中的任何行为管理的WS-Sphere协调类型。

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