Step 3: Provision a BigInsights Data node instance

步骤 3：预备一个 BigInsights Data 节点实例

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You may have noticed the test Data node above the test results.

你可能已经注意到测试结果上方的Test Data节点。

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Next, bind each data node in the data instance to the XFDL items on the form.

接下来，将数据实例中的每个数据节点绑定到表单上的XFDL元素。

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Each node contained a small processor, a sensor and a low-powered radio with just enough power to talk to adjacent nodes and the network was just smart enough to reconfigure itself to reroute data whenever one node got damaged.

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The old delivery systems could be relegated to utilities, mindlessly ferrying data packets from one node to the next.

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For example, Equinix provides an access node for the Australian Security Exchange from the Equinix Chicago data center so firms in Chicago can connect directly to the Sydney Futures Exchange.

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