With the increase of network traffic, the congestion control is the challenge of network.

随着网络业务量的增加，网络的拥塞控制越发成为迫切需要解决的难题。

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Due to the end-to-end essence of TCP, the source algorithm of congestion control can't acquire enough information of intermediate network to control traffic ideally.

由于TCP端到端的本质，拥塞控制的源算法无法利用网络中的具体信息进行理想地拥塞控制。

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It consists of three main elements: the congestion status control packet, the early congestion detection and the adaptive rate traffic conditioner.

该方案主要包括三个组成部分：拥塞状态控制分组、早期拥塞检测和流量控制算法。

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These allow the operator greater control over quality by cutting down the number of router hops the packets have to pass through and managing traffic flows to avoid congestion.

ECONOMIST: Internet telephony