必须首先启动服务包，然后启动客户端包。
You have to first start the service bundle and then the client bundle.
一个需求指示在已有的、使用旧的XSD为其生成sdo包的客户端应用程序中不需要做任何的修改。
A requirement dictates that no modifications should be required in existing client applications for which the SDO packages were generated using the older XSDs.
这就导致了一个“简单”网络的想法，只有一件事情可做——在网络一端获取数据包，尽量好的递送到目的端。
This led to the idea of a "simple" network that did only one thing – take in data packets at one end and do its best to deliver them to their destinations.
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