Content-Aware Delivery of Scalable Video in Network Coding Enabled Named Data Networks

Bourtsoulatze, Eirina; Thomos, Nikolaos; Saltarin de Arco, Jonnahtan Eduardo; Braun, Torsten (2017). Content-Aware Delivery of Scalable Video in Network Coding Enabled Named Data Networks. IEEE transactions on multimedia, 20(6), pp. 1561-1575. Institute of Electrical and Electronics Engineers 10.1109/TMM.2017.2767778

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We propose a novel network coding enabled NDN architecture for scalable video delivery. Our architecture utilizes network coding in order to address the problem that arises in the original NDN protocol, where optimal use of the bandwidth and caching resources necessitates the coordination of the Interest forwarding decisions. To optimize the performance of the proposed network coding based NDN protocol and render it appropriate for transmission of scalable video, we devise a novel rate allocation algorithm that decides on the optimal rates of Interests sent by clients and intermediate nodes. The flow of Data packets achieved by this algorithm maximizes the average quality of the video delivered to the client population. To support the handling of Interest and Data packets when intermediate nodes perform network coding, we introduce the use of Bloom filters, which store efficiently additional information about the Interest and Data packets, and modify accordingly the standard NDN protocol. We also devise an optimized Interest forwarding strategy that implements the target rate allocation. The proposed architecture is evaluated for transmission of scalable video over PlanetLab topologies. The evaluation shows that the proposed scheme exploits optimally the available network resources.

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