您需要了解大小、持久性、优先级和频率分布，还要能够使数据流中的消息关系相互关联起来，例如将请求与应答进行匹配。
You need to know sizes, persistence, priority, and frequency distribution, plus have the ability to correlate message affiliations within the data stream, such as matching requests to replies.
在分布工作时，没有配置、优先次序或者需要的其他组织。
There is no configuration, prioritization, or other organization required when distributing the work.
始终优先考虑粗粒度的Web服务；决不要在分布式系统之间使用细粒度Web服务调用。
Always give preference to coarse-grained Web services; never use fine-grained Web services invocation between distributed systems.
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