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Messaging in Web Service Grid with Applications to Geographical Information Systems

机译：Web服务网格中的消息传递，应用于地理信息系统

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Several efforts to design globally distributed computing systems have converged to the principles of message-centric, service-oriented architectures. As realized through several Web Service specifications, these provide the scaling, robustness, and reliability for delivering distributed capabilities that collectively form virtual organizations. Service architectures are based a clean separation between service implementations and their communication patterns. In this article, we examine several consequences of this separation. First, services should exist on a general purpose, software messaging substrate. Services (and their containers) inherit various qualities of service directly from this substrate: we implement message level security, reliability, events, and notifications in the message routing middleware. Second, all communications involving services should be treated as messages. This applies not only to remote procedure call-style messages and notifications, but to streaming data as well. Finally, services are often domain-specific, but collective applications are cross-domain. Using message-based Geographical Information Systems as an example, we illustrate how a Grid of services is really a Grid of Grids: a composition of capabilities developed independently of specific end applications.
机译：设计全局分布式计算系统的几项努力融合到以消息为中心，面向服务的架构的原则。如通过多个Web服务规范实现，这些规模提供了用于提供共同形成虚拟组织的分布式功能的缩放，稳健性和可靠性。服务体系结构基于服务实现与其通信模式之间的干净分离。在本文中，我们检查了这种分离的几个后果。首先，服务应在通用，软件消息传递基板上存在。服务（及其容器）直接从该基板继承各种服务质量：我们在消息路由中间件中实现消息级安全性，可靠性，事件和通知。其次，涉及服务的所有通信应被视为消息。这不仅适用于远程过程呼叫风格的消息和通知，而且适用于流传输数据。最后，服务通常是特定于域的，但集体应用程序是跨域。以基于消息的地理信息系统为例，我们说明了服务网格的Grid是网格的网格：一种独立于特定的最终应用开发的能力组成。

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