Browsing by Author "Stockhammer, T."

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    Enhancing MPEG DASH performance via server and network assistance
    (IEEE, 2017) Thomas, E.; Deventer, M.O. van; Stockhammer, T.; Beğen, Ali Cengiz; Famaey, J.; Computer Science; BEĞEN, Ali Cengiz
    MPEG-Dynamic Adaptive Streaming over HTTP (DASH) provides formats that are suitable to stream media content over HTTP. Typically, the DASH client adaptively requests small chunks of media based on the available bandwidth and other resources. This client-pull technology has proven to be more flexible, firewall-friendly, and CDN-scalable than server-push technologies. However, service providers have less control given the decentralized and client-driven nature of DASH, which introduces new challenges for them to offer a consistent and possibly higher quality of service for premium users. MPEG addresses this issue in a new work referred to as Server and Network-assisted DASH (SAND). The key features of SAND are asynchronous network-to-client and network-to-network communication, and the exchange of quality-related assisting information in such a way that it does not delay or interfere with the delivery of the streaming media content. MPEG has completed the work on SAND first edition and will be published as a new part of the MPEG-DASH standard by early 2017.
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    Marrying WebRTC and DASH for Interactive Streaming
    (ACM, 2022-03-17) Kenyon, J.; Stockhammer, T.; Beğen, Ali Cengiz; Tov, O. S.; Bassbouss, L.; Computer Science; BEĞEN, Ali Cengiz
    WebRTC is a set of W3C and IETF standards that allows the delivery of real-time content to users, with an end-to-end latency of under half a second. Support for WebRTC is built into all modern browsers across desktop and mobile devices, and it allows for streaming of video, audio and data. While the original focus of WebRTC has been on videoconferencing, it is increasingly being used today for real-time streaming of premium content because its ultra-low latency features enable several new user experiences, especially those that involve user interactivity, that are not easy to deliver or even possible with the traditional broadcast or streaming delivery protocols. Because of this increasing usage for premium content, the integration of WebRTC with the de facto adaptive streaming protocols such as MPEG's Dynamic Adaptive Streaming over HTTP (DASH) is essential. This paper gives information about the DASH Industry Forum's exploration activity on this very subject.