Experimental results show that the NMS adopting the above data update strategy can meet the requirements in the accuracy of topology discovery and real-time of topology display.

实验结果表明，采用以上数据更新策略的网络管理系统在拓扑发现准确性及拓扑显示实时性方面均能达到预定要求。

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With this strategy, because you are not holding read locks on data, the chance of getting stale data exceptions when you execute the update operations increases.

通过此策略，由于您未对数据保持读取锁，因此在执行更新操作时遇到失效数据异常的机率会增加。

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"We cannot update our data without disclosure from a company, " says James Salo, Trucost's vice-president for strategy and research.

“公司不发布数据，我们就没办法更新，”James Salo表示。 他是Trucost战略研究的副总裁。

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