HTTP/2 Push-Based Low-Delay Live Streaming Over Mobile Networks With Stream Termination

HTTP adaptive streaming (HAS) has become popular for delivering videos over the Internet. However, most HAS services are currently based on the traditional HTTP/1.1, which has limitations for live streaming. Meanwhile, the new HTTP/2 was standardized in 2015 with many improvements. In this letter, w...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems for video technology 2018-09, Vol.28 (9), p.2423-2427
Main Authors: Le, Hung T., Nguyen, Thoa, Ngoc, Nam Pham, Pham, Anh T., Thang, Truong Cong
Format: Article
Language:English
Subjects:
Bit rate
Buffers
Delay
Digital media
HTTP adaptive streaming
HTTP/2
live streaming
Quality assessment
server push
Servers
stream termination
Throughput
Videos
Wireless networks
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Summary:HTTP adaptive streaming (HAS) has become popular for delivering videos over the Internet. However, most HAS services are currently based on the traditional HTTP/1.1, which has limitations for live streaming. Meanwhile, the new HTTP/2 was standardized in 2015 with many improvements. In this letter, we present a novel HTTP/2-based adaptation scheme for low-delay live streaming over mobile networks. The proposed scheme leverages two HTTP/2 features called server push and stream termination to enable a shorter camera-to-display delay. Experimental results with small buffer sizes show that our scheme can provide users with high video bitrate and stable buffer level. Furthermore, the buffer size in live streaming can be reduced to two sec without sacrificing video quality.
ISSN:1051-8215
1558-2205
DOI:10.1109/TCSVT.2018.2850740