So how to avoid and control congestion is one of the most active fields in the computer networks.

因此如何更好地预防和控制拥塞一直是近年来国际上网络研究领域的热点问题。

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Increasing UDP deteriorates the ability of TCP to control congestion and is a source of high drop rates.

不断增加的UDP数据流恶化了TCP控制拥塞的能力，而且是引起高丢包率的原因之一。

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This paper proposes an approach to design a rate based flow control mechanism in order to regulate the Available Bit Rate (ABR) traffic and effectively control congestion of the networks.

对此，本文提出一种方法来设计基于速率的流量控制机制以便调节ABR服务并有效地控制网络拥塞。

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Certainly when it comes to flight delays, problems unique to specific airlines like plane readiness and crew availability are compounded by factors beyond their control, such as airport mismanagement, air traffic congestion, bad weather and, these days, longer security lines.

FORBES: Magazine Article

But it will not melt snow, build new runways to ease congestion, make the sun shine or prevent air traffic control strikes or disruptions.

BBC: Equal rights for air travellers outside the US and EU?

Bristol, which was originally enthusiastic about congestion charging, dropped its plans when the Liberal Democrats took control of the council.

ECONOMIST: Can road pricing spread beyond London? Not without a push