服务发现

Gerhard Austaller
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引用次数: 45

摘要

我们生活在一个服务型社会,每天我们都能使用到许多服务,因为人们在不同的服务领域接受了专门的培训。我们需要修理损坏的汽车,理发,所以我们使用黄页来寻找可行的服务提供商,并最终与其中一些进行谈判,以最终决定使用谁。这种专业化的业务对消费者来说有很多优势;服务提供商是专家,因此他们比我们自己做得更快、更好、更便宜。如果不满意,下次将选择另一家服务提供商。毫不奇怪,这种处理部分工作的模式也可以在分布式计算机系统中找到,即“面向服务的体系结构”(SOA)或“面向服务的计算”(SOC)。应用程序由服务构建,其中每个服务为应用程序完成一项任务。服务要么在软件中实现,要么充当硬件(例如打印机或电灯开关)的代理(“桥接”)。与软件组件相比,服务运行在不同的计算机上,并通过网络与其客户端通信。摘要
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Service Discovery
We live in a service society and every day we are able to make use of many services because of the specialized training people have in different service areas. We need our damaged cars repaired and our hair cut, so we use the yellow pages to find feasible service providers and eventually negotiate with some of them to make a final decision of whom to use. This kind of specialized business has many advantages for consumers; the service providers are specialists, therefore they do the job faster, better, and cheaper than we could ourselves. And if not satisfied, another service provider will be chosen next time. Not surprisingly, this pattern to handle portions of work can also be found in distributed computer systems, namely “service oriented Architectures” (SOA) or “service oriented computing” (SOC). Applications are built of services, where each service fulfills a task for the application. Services are either implemented in software or act as proxies (“bridge”) to hardware, for example printers or light switches. In contrast to software components, services run on different computers and communicate over networks with their clients. AbstrAct
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