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@inproceedings{1112614, author = {Troubil, Pavel and Rudová, Hana and Holub, Petr}, address = {USA}, booktitle = {12th IEEE International Symposium on Network Computing and Applications (NCA 2013)}, doi = {http://dx.doi.org/10.1109/NCA.2013.46}, keywords = {networks; planning; multimedia; data transfer; integer programming; transcoding; CoUniverse}, howpublished = {elektronická verze "online"}, language = {eng}, location = {USA}, isbn = {978-0-7685-5043-6}, pages = {41-48}, publisher = {IEEE}, title = {Media Streams Planning with Transcoding}, year = {2013} }
TY - JOUR ID - 1112614 AU - Troubil, Pavel - Rudová, Hana - Holub, Petr PY - 2013 TI - Media Streams Planning with Transcoding PB - IEEE CY - USA SN - 9780768550436 KW - networks KW - planning KW - multimedia KW - data transfer KW - integer programming KW - transcoding KW - CoUniverse N2 - High-quality video, both uncompressed and compressed with relatively low compression ratio, is used in interactive environments, where minimum end-to-end latency is required. The media streams planning solves multi-point data routing for such applications even when bitrate of streams is comparable to capacity of network links. Recent advances in acceleration of high-throughput low-latency video processing enable on-the-fly video transcoding even for 4K and 8K video streams, thus allowing individual adaptation of data stream for each recipient without affecting the others. Stimulated by these advances, we present a novel media streams planning with transcoding on network nodes, and a mixed integer programming approach to solve the problem optimally. Our approach also enhances traditional end-to-end network model of the whole system with known topology of certain network regions. Our solution was implemented in the CoUniverse, which is middleware for orchestration of collaborative environments. Measurements show that performance of the new solver is sufficient for interactive solving of most practical use-cases, thus enabling self-organization of high-performance collaborative environments. ER -
TROUBIL, Pavel, Hana RUDOVÁ and Petr HOLUB. Media Streams Planning with Transcoding. Online. In \textit{12th IEEE International Symposium on Network Computing and Applications (NCA 2013)}. USA: IEEE, 2013, p.~41-48. ISBN~978-0-7685-5043-6. Available from: https://dx.doi.org/10.1109/NCA.2013.46.
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