基于HTTP的动态自适应流媒体的高级传输选项
Advanced Transport Options for the Dynamic Adaptive Streaming over HTTP
摘要:
HTTP上的多媒体流不再是一个利基研究课题,因为它已经进入我们的日常生活。常见的假设是,它部署在现有基础设施之上,利用应用程序(HTTP)和传输(TCP)层协议。有趣的是,像MPEG的HTTP动态自适应流(DASH)这样的标准并不要求使用任何特定的传输协议,从而允许足够的部署灵活性,这进一步得到了两个协议层内的新兴发展的支持。本文研究和评估使用先进的传输选项的动态自适应流在HTTP。我们利用一个常见的测试设置来评估HTTP/2.0和谷歌的快速UDP互联网连接(QUIC)协议在基于DASH的服务的上下文中。
英文摘要:
Multimedia streaming over HTTP is no longer a niche research topic as it has entered our daily live. The common assumption is that it is deployed on top of the existing infrastructure utilizing application (HTTP) and transport (TCP) layer protocols as is. Interestingly, standards like MPEG's Dynamic Adaptive Streaming over HTTP (DASH) do not mandate the usage of any specific transport protocol allowing for sufficient deployment flexibility which is further supported by emerging developments within both protocol layers. This paper investigates and evaluates the usage of advanced transport options for the dynamic adaptive streaming over HTTP. We utilize a common test setup to evaluate HTTP/2.0 and Google's Quick UDP Internet Connections (QUIC) protocol in the context of DASH-based services.
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