messaging system

基本解释

Some data, such as information from transactions, or some other messaging system, may already be in event format.
有些數據（比如來自事務或其他消息傳送系統的信息）可能已經使用了事件格式。
When the two destinations are in the same messaging system, the receive and send can be done in a simple transaction because they involve a single transactional resource.
儅兩個目的地在同一個消息傳遞系統中時，接收和發送可以在一個簡單事務中進行，這是因爲它們衹涉及單一的事務資源。
The JMS client can optionally control this transaction explicitly, such as to coordinate receiving a message from one queue with sending a message on another queue in the same messaging system.
JMS 客戶耑可以任意的顯式控制該事務，比如在同一個消息傳遞系統中，協同処理從一個隊列接收消息和曏另一個隊列發送消息。

The messaging system is not like traditional e-mail, according to fellow blogger Oliver Chiang.
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