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首页> 外文期刊>International journal of communication systems >UARA in edge routers: An effective approach to user fairness and traffic shaping
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UARA in edge routers: An effective approach to user fairness and traffic shaping

机译：边缘路由器中的UARA：一种有效的用户公平和流量整形方法

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摘要

The ever-increasing share of the peer-to-peer (P2P) traffic flowing in the Internet has unleashed new challenges to the quality of service provisioning. Striving to accommodate the rise of P2P traffic or to curb its growth has led to many schemes being proposed: P2P caches, P2P filters, ALTO mechanisms and re-ECN. In this paper, we propose a scheme named 'UARA: User/Application-aware RED-based AQM' which has a better perspective on the problem: UARA is proposed to be implemented at the edge routers providing real-time near-end-user traffic shaping and congestion avoidance. UARA closes the loopholes exploited by the P2P traffic by bringing under control the P2P users who open and use numerous simultaneous connections. In congestion times, UARA monitors the flows of each user and caps the bandwidth used by 'power users' which leads to the fair usage of network resources. While doing so, UARA also prioritizes the real-time traffic of each user, further enhancing the average user quality of experience (QoE). UARA hence centralizes three important functionalities at the edge routers: (1) congestion avoidance; (2) providing user fairness; (3) prioritizing real-time traffic. The simulation results indicate that average user QoE is significantly improved in congestion times with UARA at the edge routers.
机译：Internet中对等（P2P）流量的份额不断增加，这对服务供应质量提出了新的挑战。努力适应P2P流量的增长或抑制其增长，已经提出了许多方案：P2P缓存，P2P过滤器，ALTO机制和re-ECN。在本文中，我们提出了一种名为“ UARA：基于用户/应用程序感知的基于RED的AQM”的方案，该方案对这个问题有更好的了解：提议将UARA实施在提供实时近端用户的边缘路由器上流量整形和避免拥塞。 UARA通过控制打开并使用大量同时连接的P2P用户来控制P2P流量所利用的漏洞。在拥挤的时期，UARA会监控每个用户的流量，并限制“高级用户”使用的带宽，这会导致网络资源的合理使用。同时，UARA还优先考虑每个用户的实时流量，从而进一步提高了平均用户体验质量（QoE）。因此，UARA在边缘路由器上集中了三个重要的功能：（1）避免拥塞； （2）提供用户公平； （3）优先处理实时流量。仿真结果表明，边缘路由器使用UARA可以显着改善平均用户QoE。

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