Cross-protocol unfairness between adaptive streaming clients over http/3 and http/2: A root-cause analysis

Chanh Minh Tran, Tho Nguyen Duc, Phan Xuan Tan, Eiji Kamioka

研究成果: Article査読

2 被引用数 (Scopus)

抄録

With the introduction of HTTP/3, whose transport is no longer the traditional TCP protocol but the novel QUIC protocol, research for solutions to the unfairness of Adaptive Streaming over HTTP (HAS) has become more challenging. In other words, because of different transport layers, the HTTP/3 may not be available for some networks and the clients have to use HTTP/2 for their HAS applications instead. Therefore, the scenario in which HAS over HTTP/3 (HAS/3) competes against HTTP/2 (HAS/2) must be considered seriously. However, there has been a shortage of investigations on the performance and the origin of the unfairness in such a cross-protocol scenario in order to produce proper solutions. Therefore, this paper provides a performance evaluation and root-cause analysis of the cross-protocol unfairness between HAS/3 and HAS/2. It is concluded that, due to differences in the congestion control mechanisms of QUIC and TCP, HAS/3 clients obtain larger congestion windows, thus requesting higher video bitrates than HAS/2. As the problem lies in the transport layer, existing client-side ABR-based solutions for the unfairness from the application layer may perform suboptimally for the cross-protocol case.

本文言語English
論文番号1755
ジャーナルElectronics (Switzerland)
10
15
DOI
出版ステータスPublished - 2021 8月 1

ASJC Scopus subject areas

  • 制御およびシステム工学
  • 信号処理
  • ハードウェアとアーキテクチャ
  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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