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1 Journal of Telecommunications and Information Technology

1 2015

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On Providing Cloud-awareness to Client's DASH Application by Using DASH over HTTP/2

Batalla J. M., Krawiec P., Negru D., Bruneau-Queyreix J., Borcoci E., Bęben A., Wiśniewski P.

Journal of Telecommunications and Information Technology

2015

nr 4

54--64

Mobile Cloud Networks group together mobile users and clouds containing content servers. Hence, they are an ideal framework for media content delivery. Streamswitching adaptive video players cope well with some limitations of Mobile Cloud Networks as low bandwidth and bandwidth variability in access network. Nonetheless, other limitations, as cloud congestion, are difficult to be managed by the video players. This paper presents a system for discovering fault situations at the cloud (e.g., cloud congestion) and notifying to the video player, which will take appropriate actions for saving the quality of media transmission. In proposed implementation the video application is DASH-capable and adaptation action may be both stream rate adaptation and content server adaptation. The communication between client and server uses "bidirectional" communication feature of HTTP/2 thanks to the new deployed modules running DASH over HTTP/2 in both client's and server's applications.