VIRAL: coupling congestion control with fair video quality metric

Video streaming is often carried out by congestion controlled transport protocols to preserve network sustainability. However, the success of the growth of such non-live video flows is linked to the user quality of experience. Thus, one possible solution is to deploy complex quality of service syste...

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Bibliographic Details
Published in:Annales des télécommunications 2020-02, Vol.75 (1-2), p.67-76
Main Authors: Thai, Tuan Tran, Lochin, Emmanuel, Lacan, Jérôme
Format: Article
Language:English
Subjects:
Circuits
Communications Engineering
Computer Communication Networks
Computer Science
Congestion
Engineering
Information and Communication
Information Systems and Communication Service
Multimedia
Networking and Internet Architecture
Networks
Protocol (computers)
Quality
Quality of service architectures
R & D/Technology Policy
Signal,Image and Speech Processing
TCP (protocol)
Transport
User satisfaction
Video compression
Video transmission
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Summary:Video streaming is often carried out by congestion controlled transport protocols to preserve network sustainability. However, the success of the growth of such non-live video flows is linked to the user quality of experience. Thus, one possible solution is to deploy complex quality of service systems inside the core network. Another possibility would be to keep the end-to-end principle while making aware transport protocols of video quality rather than throughput. The objective of this article is to investigate the latter by proposing a novel transport mechanism which targets video quality fairness among video flows. Our proposal, called VIRAL for virtual rate-quality curve, allows congestion controlled transport protocols to provide fairness in terms of both throughput and video quality. VIRAL is compliant with any rate-based congestion control mechanisms that enable a smooth sending rate for multimedia applications. Implemented inside TFRC a TCP-friendly protocol, we show that VIRAL enables both intra-fairness between video flows in terms of video quality and inter-fairness in terms of throughput between TCP and video flows.
ISSN:0003-4347
1958-9395
DOI:10.1007/s12243-019-00717-7