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Video streaming using light-weight transcoding and in-network intelligence

Published: 17 March 2022 Publication History

Abstract

In this paper, we introduce a novel approach, LwTE, which reduces streaming costs in HTTP Adaptive Streaming (HAS) by enabling light-weight transcoding at the edge. In LwTE, during encoding of a video segment in the origin server, a metadata is generated which stores the optimal encoding decisions. LwTE enables us to store only the highest bitrate plus corresponding metadata (of very small size) for unpopular video segments/bitrates. Since metadata is of very small size, replacing unpopular video segments/bitrates with their metadata results in considerable saving in the storage costs. The metadata is reused at the edge servers to reduce the required time and computational resources for on-the-fly transcoding.

References

[1]
Hadi Amirpour, Christian Timmerer, and Mohammad Ghanbari. 2021. PSTR: Per-Title Encoding Using Spatio-Temporal Resolutions. In 2021 IEEE International Conference on Multimedia and Expo (ICME). 1--6.
[2]
Alireza Erfanian, Hadi Amirpour, Farzad Tashtarian, Christian Timmerer, and Hermann Hellwagner. 2021. LwTE: Light-weight Transcoding at the Edge. IEEE Access (2021).
[3]
Alireza Erfanian, Hadi Amirpour, Farzad Tashtarian, Christian Timmerer, and Hermann Hellwagner. 2021. LwTE-Live: Light-Weight Transcoding at the Edge for Live Streaming. In Proceedings of the Workshop on Design, Deployment, and Evaluation of Network-Assisted Video Streaming (Virtual Event, Germany) (Vis-NEXT'21). Association for Computing Machinery, New York, NY, USA, 22--28.
[4]
Han, Bo and Gopalakrishnan, Vijay and Ji, Lusheng and Lee, Seungjoon. 2015. Network function virtualization: Challenges and opportunities for innovations. IEEE Communications Magazine 53, 2 (2015), 90--97.
[5]
Satyanarayanan, Mahadev. 2017. The emergence of edge computing. Computer 50, 1 (2017), 30--39.

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  1. Video streaming using light-weight transcoding and in-network intelligence

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    cover image ACM Conferences
    MHV '22: Proceedings of the 1st Mile-High Video Conference
    March 2022
    150 pages
    ISBN:9781450392228
    DOI:10.1145/3510450
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    New York, NY, United States

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    Published: 17 March 2022

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    Author Tags

    1. light-weight transcoding
    2. live streaming
    3. video-on-demand (VoD)

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    MHV '22
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    MHV '22: Mile-High Video Conference
    March 1 - 3, 2022
    Colorado, Denver

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    MHV '25
    Mile-High Video Conference
    February 18 - 20, 2025
    Denver , CO , USA

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