Why model messages?

为什么要对消息建模？

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With that knowledge, you will be able to create a service design model that includes Messages, service Specifications, and Services.

有了这些知识，您就可以创建一个包含消息、服务规格说明以及服务的服务设计模型。

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When using the publish/subscribe model, many applications might be receiving request messages.

当使用发布/订阅模型时，可能有许多应用程序在接收请求消息。

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His model predicted that a large number of passengers crowded together, all blathering, sending text messages, or browsing the web on their phones, could produce levels of electromagnetic radiation that exceed international safety standards.

ECONOMIST: Are mobiles phones on trains dangerous or not?