Matthias Geiger, Simon Harrer, Jörg Lenhard, M. Casar, Andreas Vorndran, G. Wirtz
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引用次数: 43
Abstract
More than five years have passed since the final release of the long-desired OASIS standard of a process language for Web Services orchestration, the Web Services Business Process Execution Language (BPEL). The aim of this standard was to establish a universally accepted Web Services orchestration language that forms a core part of service-oriented architectures and, because of standardization, avoids vendor lock-in. By now, several fully conformant engines should have arrived in the market. It is our aim to shed light on this situation and to provide a comprehensive picture of the current state of BPEL support. We present an evaluation of the standard conformance of five open source BPEL engines. To obtain these results we have developed betsy, a tool that allows for a fully-automatic standard conformance testing of BPEL engines. The results demonstrate that full standard conformance in contemporary engines is still far from given.
Web服务业务流程执行语言(Web Services Business process Execution language, BPEL)是人们期待已久的用于Web服务编排的流程语言OASIS标准,自最终发布以来已经过去了五年多。该标准的目的是建立一种普遍接受的Web服务编排语言,该语言形成面向服务的体系结构的核心部分,并且由于标准化,避免了供应商锁定。到目前为止,几个完全一致的引擎应该已经进入市场。我们的目标是阐明这种情况,并提供对BPEL支持的当前状态的全面描述。我们对五个开源BPEL引擎的标准一致性进行了评估。为了获得这些结果,我们开发了betsy,这是一个允许对BPEL引擎进行全自动标准一致性测试的工具。结果表明,完全符合标准,在当代发动机仍然远远没有给出。