移动网络中CQIC和TCP BBR的性能评价

2018 21st Conference on Innovation in Clouds, Internet and Networks and Workshops (ICIN) Pub Date : 2018-02-19 DOI:10.1109/ICIN.2018.8401585

Zhenzhe Zhong, I. Hamchaoui, R. Khatoun, A. Serhrouchni

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引用次数: 10

摘要

原有的TCP设计不够灵活，无法适应快速变化的移动网络带宽。在本文中，我们重新审视了信道质量指标控制(CQIC)拥塞控制算法，并通过详细的拥塞反应手势将其实现从3G/QUIC语义调整为LTE/TCP。然后，我们将其性能与已经广泛部署的全新TCP拥塞控制BBR进行比较。我们还确定了LTE承认模式(AM，默认开启)下高数据速率下载性能下降的原因。此外，分析了常见的DelAck(延迟确认)特征对拥塞控制算法(如BBR和CQIC)的影响。

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Performance evaluation of CQIC and TCP BBR in mobile network

Original TCP design is not agile enough to fit the rapidly varying mobile network bandwidth. In this paper, we revisit the Channel Quality Indicator Control (CQIC) congestion control algorithm and adapt its implementation from 3G/QUIC semantic to LTE/TCP with detailed congestion reaction gestures. We then compare its performance with that of the brand new TCP congestion control BBR — yet already widely deployed. We also identify the reason for performance degradation of high data rate downloads in LTE Acknowledged Mode (AM, which is turned on by default). Furthermore, impacts of the commonly encountered DelAck (delayed acknowlegment) feature are analyzed for both congestion control algorithms e.g. BBR and CQIC.

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来源期刊

2018 21st Conference on Innovation in Clouds, Internet and Networks and Workshops (ICIN)

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