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Title
Japanese:ネットワーク環境に応じたHTTPバージョン選択によるコンテンツロード時間削減 
English:HTTP Version Selection Method depending on Network Environment to Reduce Contents Load Time 
Author
Japanese: 大橋 滉也, 北口 善明, 山岡 克式.  
English: Koya Ohashi, Yoshiaki Kitaguchi, Katsunori Yamaoka.  
Language Japanese 
Journal/Book name
Japanese:研究報告インターネットと運用技術（IOT） 
English: 
Volume, Number, Page Vol. 2020-IOT-48    No. 23    pp. 1-7
Published date Mar. 2020 
Publisher
Japanese:一般社団法人 情報処理学会 
English:Information Processing Society of Japan 
Conference name
Japanese:第48回 インターネットと運用技術 (IOT) 研究会 
English: 
Conference site
Japanese: 
English: 
Official URL http://id.nii.ac.jp/1001/00203419/
 
Abstract The HTTP/3, for which the IETF is developing specifications, uses QUIC, which re-implements congestion control and retransmission processing on UDP. Therefore, HTTP/3 increase throughput in low-quality networks, mainly mobile networks. However, HTTP/3 in a high-quality network such as low delay and low packet loss rate may show lower performance than HTTP/2 because QUIC is implemented in the userland. Thus, using HTTP/3 does not always reduce in the content loading time. We realized dynamic control of the protocol by server-side according to the network environment, based on the results of the performance comparison between HTTP/2 and HTTP/3 in various network environments. As a result, the content load time was reduced by 27.8% in the worst case.

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