IMS specifies enablement of quality of Service within the IP network and takes advantage of th QoS mechanism to improve and guarantee the transmission quality.

IMS指定了IP网络内的服务质量增强功能，并利用QoS机制来提高和保证传输质量。

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Giving a thorough research on mechanism of QoS guarantee for data service in CATV broadband integrated service network.

对有线电视宽带综合业务网中数据业务的服务质量保证机制进行了深入研究。

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In order to guarantee the QoS of traffic based on priority division, RPR adopts the multiple-channel and multiple-queue to differentiate the traffic with priorities.

为了实现基于优先级区分的业务服务质量，弹性分组环采用基于优先级区分的队列以及转发机制。

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