Data Capture and Delivery组件提供了一个框架来规范化、过滤、整理和总结这些数据，去掉无关的数据或是压缩数据量来减轻带宽和服务器负载。

Data Capture and Delivery provides a framework to normalize, filter, smooth, and summarize the data, eliminating extraneous data or compressing the data volume to reduce the bandwidth and server load.

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为了便于使测试框架一般化，您应该使用变量对应那些值作为这些过滤节点的名称，并在中央位置设置这些变量的值。

To facilitate making the testing framework generic, you should use variables for such values as the names of these filtering nodes, and set the values of these variables in a central location.

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您将看到WFNM框架需要的过滤器。

You'll see the filters the WFNM framework needs.

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