论文讨论了业务平台集群服务中自适应的拓扑管理和负载监测，详细分析了自适应的负载平衡，提出了一种双阀值的负载平衡算法。

The thesis describes adaptive topology management and load monitoring, analyses adaptive load balancing in detail, presents the double-threshold load balance algorithm.

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在点播结束时，如果拨测指标超出相应阀值，系统便会向监测或管理人员发出告警，以便尽快解决流媒体业务的质量问题。

If the testing indicator is out of the thresholds, the system will send an alarm to manager to resolve the quality problem of the streaming media service as soon as possible.

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