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A wrapping approach for migrating legacy system interactive functionalities to Service Oriented Architectures

机译:一种将旧式系统交互功能迁移到面向服务的体系结构的包装方法

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Software systems modernisation using Service Oriented Architectures (SOAs) and Web Services represents a valuable option for extending the lifetime of mission-critical legacy systems. This paper presents a black-box modernisation approach for exposing interactive functionalities of legacy systems as Services. The problem of transforming the original user interface of the system into the request/response interface of a SOA is solved by a wrapper that is able to interact with the system on behalf of the user. The wrapper behaviour is defined in the form of Finite State Machines retrievable by black-box reverse engineering of the human-computer interface. The paper describes our wrapper-based migration process and discusses the results of case studies showing process effectiveness and quality of resulting services.
机译:使用面向服务的体系结构(SOA)和Web服务的软件系统现代化是延长任务关键型遗留系统寿命的宝贵选择。本文提出了一种黑盒现代化方法,用于将遗留系统的交互功能公开为服务。通过能够代表用户与系统交互的包装器解决了将系统的原始用户界面转换为SOA的请求/响应界面的问题。包装行为以有限状态机的形式定义,可通过人机界面的黑匣子反向工程来检索。本文描述了我们基于包装的迁移过程,并讨论了案例研究的结果,这些案例显示了流程的有效性和所提供服务的质量。

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