This collaboration is represented as an ordered set of messages, or operation invocations, on these elements within the system.

这种协作表现为对系统中这些要素的消息或操作调用的有序集合。

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The bulk of the design work becomes defining the set of components needed to meet the system requirements and the input/output messages that each component needs to handle.

多半设计工作就是，定义满足系统需求所需的组件集和每个组件需要处理的输入/输出消息。

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At the very minimum, the ESB must offer support for a set of network protocols and be able to convert messages as they flow through the system.

从最简单的层面而言，ESB必须提供对一组网络协议的支持，并必须能够在消息通过系统时进行转换。

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Delivery times have gone from an average of three hours -- and from highs of several days -- to an average of three minutes, mainly because the new system, unlike the old one, was set up so that messages only travel as far as they need to in order to reach their recipients.

CNN: Lockheed finally finds e-mail success