协调不同的基于Web服务的事件通知规范的灵活而有效的方法

2006 IEEE International Conference on Web Services (ICWS'06) Pub Date : 2006-09-18 DOI:10.1109/ICWS.2006.2

Yi Huang, Dennis Gannon

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引用次数: 7

摘要

事件通知在分布式系统的编排中起着重要的作用。基于Web服务的事件通知是在Internet规模上实现可互操作的消息传递系统的重要步骤。然而，已经提出了不同的不兼容规范来指定基于Web服务的事件通知系统的Web服务接口。ws - events规范和WS-Notification规范是两个主要的活动。WS-Messenger是我们对这两个规范的实现。使用中介方法来协调这两个规范之间的差异。在本文中，我们提出了一个“规范化-处理-定制”(NPC)模型，用于相互竞争的Web服务之间的中介，并展示了如何在WS-Messenger中使用该模型来协调这两个规范之间的不兼容性。NPC模型是灵活且可扩展的。WS-Messenger中的中介实现效率很高，开销很小

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A Flexible and Efficient Approach to Reconcile Different Web Services-based Event Notification Specifications

Event notification plays an important role in the orchestration of distributed systems. Web services-based event notification is an important step to achieve an interoperable messaging system on the Internet scale. However, different incompatible specifications have been proposed to specify the Web services interfaces for Web services-based event notification systems. The WS-Eventing specification and the WS-Notification specifications are two major initiatives. WS-Messenger is our implementation of both specifications. A mediation approach is used to reconcile the differences between these two specifications. In this paper, we propose a "normalization-processing-customization" (NPC) model for mediation among competing Web services and show how this model is used in WS-Messenger to reconcile the incompatibility between these two specifications. The NPC model is flexible and scalable. The mediation implementation in WS-Messenger is efficient with a very small overhead

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2006 IEEE International Conference on Web Services (ICWS'06)

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