A Large-Scale Measurement and Optimization of Mobile Live Streaming Services

doi:10.1109/TMC.2022.3208094

	A Large-Scale Measurement and Optimization of Mobile Live Streaming Services
	Li, Zhenyu 1,2,3; Li, Jinyang 1,2; Wu, Qinghua 1,2,3; Tyson, Gareth 4,5; Xie, Gaogang 6
	2023-12-01
发表期刊	IEEE TRANSACTIONS ON MOBILE COMPUTING
ISSN	1536-1233
卷号	22 期号:12 页码:7294-7309
摘要	Mobile Live Streaming (MLS) services are one of the most popular types of mobile apps. They involve a (often amateur) user broadcasting content to a potentially large online audience via unreliable networks. Nevertheless, we still lack a deep understanding of MLS user behavior that is critical for optimizing MLS systems, despite some active measurements on viewer-side behavior. Using detailed logs obtained from a major MLS provider, this paper first conducts an in-depth measurement study of both viewer-side and broadcaster-side behavior. Key findings include large wasteful uploads, strong viewing locality, and traffic dominance of loyal viewers. Specifically, 33.3% of uploads go unwatched, and the viewership of broadcasters tends to be localized. Inspired by our findings, we propose EdgeOpt- a centralized control center for MLS services for optimizing both the first-mile and the last-mile transmission in MLS. Specifically, EdgeOpt reduces wasteful uploading by 71% through adaptive uploading and enhances the replay quality of popular video segments by 10% via highlights retransmission. EdgeOpt also uses a learning-based content pre-fetching scheme that boosts the viewing startup by 29.5% and offloads at most 80% of the viewing workload from the edge servers with peer-assisted delivery.
关键词	Mobile live streaming user behavior edge-side optimization QoE improvement
DOI	10.1109/TMC.2022.3208094
收录类别	SCI
语种	英语
资助项目	Natural Science Foundation of China[U20A20180] ; Natural Science Foundation of China[62072437] ; Beijing Natural Science Foundation[JQ20024] ; CAS-Austria Joint Project[171111KYSB20200001]
WOS研究方向	Computer Science ; Telecommunications
WOS类目	Computer Science, Information Systems ; Telecommunications
WOS记录号	WOS:001098818300028
出版者	IEEE COMPUTER SOC
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://119.78.100.204/handle/2XEOYT63/38068
专题	中国科学院计算技术研究所期刊论文_英文
通讯作者	Li, Zhenyu
作者单位	1.Chinese Acad Sci, Inst Comp Technol, Beijing 100045, Peoples R China 2.Univ Chinese Acad Sci, Beijing 101408, Peoples R China 3.Purple Mt Labs, Nanjing, Peoples R China 4.Hong Kong Univ Sci & Technol GZ, Guangzhou 511455, Peoples R China 5.Queen Mary Univ London, London E1 4NS, England 6.Chinese Acad Sci, Comp Network Informat Ctr, Beijing 100045, Peoples R China
推荐引用方式 GB/T 7714	Li, Zhenyu,Li, Jinyang,Wu, Qinghua,et al. A Large-Scale Measurement and Optimization of Mobile Live Streaming Services[J]. IEEE TRANSACTIONS ON MOBILE COMPUTING,2023,22(12):7294-7309.
APA	Li, Zhenyu,Li, Jinyang,Wu, Qinghua,Tyson, Gareth,&Xie, Gaogang.(2023).A Large-Scale Measurement and Optimization of Mobile Live Streaming Services.IEEE TRANSACTIONS ON MOBILE COMPUTING,22(12),7294-7309.
MLA	Li, Zhenyu,et al."A Large-Scale Measurement and Optimization of Mobile Live Streaming Services".IEEE TRANSACTIONS ON MOBILE COMPUTING 22.12(2023):7294-7309.