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Lee, Kyunghan
Mobile Systems and Networking Lab. (MSN)
Research Interests
  • Low-latency network, cloud computing, 5G network, mobile machine learning

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DRWA: A Receiver-centric Solution to Bufferbloat in Cellular Networks

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dc.contributor.author Jiang, Haiqing ko
dc.contributor.author Wang, Yaogong ko
dc.contributor.author Lee, Kyunghan ko
dc.contributor.author Rhee, Injong ko
dc.date.available 2015-12-22T00:08:39Z -
dc.date.created 2015-12-04 ko
dc.date.issued 2016-11 ko
dc.identifier.citation IEEE TRANSACTIONS ON MOBILE COMPUTING, v.15, no.11, pp.2719 - 2734 ko
dc.identifier.issn 1536-1233 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/17983 -
dc.description.abstract The problem of overbuffering in the current Internet (termed as bufferbloat) has drawn the attention of the research community in recent years. Cellular networks keep large buffers at base stations to smooth out the bursty data traffic over the time-varying channels and are hence apt to bufferbloat. However, despite their growing importance due to the boom of smart phones, we still lack a comprehensive study of bufferbloat in cellular networks and its impact on TCP performance. In this paper, we conducted extensive measurement of the 3G/4G networks of the four major U.S. carriers and the largest carrier in Korea. We revealed the severity of bufferbloat in current cellular networks and discovered some ad-hoc tricks adopted by smart phone vendors, which mitigate the impact of bufferbloat but result in performance degradation under various practical scenarios. To address the problem, we propose DRWA (dynamic receiver window adjustment) that requires slight TCP modification only in smart phones, thus guarantees quick deployment via over-theair (OTA) updates. Our extensive real-world tests confirm that DRWA reduces the latency of TCP flows by 25% 49% and increase TCP throughput by up to 51% in certain scenarios. It is further verified that DRWA has significant effect on the latency of VoIP traffic and on the traffic going through TCP split scenarios with PEP (Performance Enhancing Proxy). ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher IEEE COMPUTER SOC ko
dc.title DRWA: A Receiver-centric Solution to Bufferbloat in Cellular Networks ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84990963876 ko
dc.identifier.wosid 000385717200006 ko
dc.type.rims ART ko
dc.identifier.doi 10.1109/TMC.2015.2510641 ko
dc.identifier.url http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7368189 ko
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