On providing multiple-server support to dynamic adaptive streaming applications for enhanced QoE

Joachim Bruneau-Queyreix, Mathias Lacaud, Petros Anapliotis, D. Négru
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Abstract

Adaptive bitrate streaming protocols, such as DASH, have seen extensive interest for their trade-off between smooth playbacks and quality fluctuations, aiming at increasing end-users' satisfaction toward video consumption over the Internet. The proposed work goes a step further and offers multiple-server support to Over-The-Top dynamic adaptive streaming applications: Multiple-Description DASH. This innovative lightweight streaming protocol takes advantage of bandwidth from multiple links by simultaneously retrieving video segments from several sources in different locations. Thanks to its codec agnosticism, DASH-compliance, and receiver-driven philosophy, our work presents a pragmatic and evolving solution that has been implemented and tested over the Internet. While Multiple-Description DASH comes at the cost of a tunable bandwidth consumption overhead, preliminary results demonstrate the strong QoE advantages against a standard DASH solution in terms of content quality and buffer occupancy on end-user side.
关于为动态自适应流应用程序提供多服务器支持以增强QoE
自适应比特率流协议,如DASH,因其在平滑回放和质量波动之间的权衡而受到广泛关注,旨在提高最终用户对互联网视频消费的满意度。提议的工作更进一步,为over - top动态自适应流应用提供多服务器支持:多描述DASH。这种创新的轻量级流协议通过同时从不同位置的多个源检索视频片段,利用了来自多个链路的带宽。由于它的编解码器不可知论,符合dash和接收器驱动的理念,我们的工作提出了一个务实和不断发展的解决方案,已经在互联网上实施和测试。虽然multi - description DASH是以可调带宽消耗开销为代价的,但初步结果表明,在内容质量和终端用户端的缓冲区占用方面,与标准DASH解决方案相比,它具有强大的QoE优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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