DEIM Forum 2017 E Netflix (Video on Demand) IP 4K [1] Video on D

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1 DEIM Forum 2017 E Netflix (Video on Demand) IP 4K [1] Video on Demand ( VoD) () VoD VoD 2. 2 AbemaTV VoD VoD

2 H-AHB Mbps Mbps Mbps Mbps 1.5 Mbps Mbps C 1, C 2, C 3 1 H-AHB ( 1) 2. 3 (Near Video on Demand) (Near Video on Demand) VoD [2], [3], [4] Hierarchical Asynchronous Harmonic Broadcasting method ( H-AHB ) [5] H-AHB ( ) S 1, S 2, S 3 C 1 S 1 C 2 S 2, C 3 S 3 3 S S 1 (10 ) (20 ) ( )/ /( )/ H-AHB H-AHB 3 ()

3 2 H-AHB 1 3 H-AHB 2 4 H-AHB H-AHB Optimized Heterogeneous Periodic Broadcast [6] DB-GA Division-based Broadcasting method with Genetic Algorithm ( DB-GA ) DB-GA [7] Fast data broadcasting and receiving scheme ( FB ) [8] 4.5 Mbps 4.5 Mbps Mbps Mbps [9] 4.5 Mbps Mbps Mbps n b i (i = 1,, n) 2 e i 3 (4.1) w e i m n w = max(x i y i, 0) (1) j=1 i=1 x i y i

4 1 r V R j j D c j,i j i S i i e i S i d i S i D e i n k=1 e k { 0 (i = 0) 5 x i = d i c j,i + x max(i Rj,0) (1 i n) 6. y i = { 0 (i = 1) max(x i 1, y i 1 ) + d i 1 r V (2 i n) 4 e i d i 5 C i S i Multiple-Video broadcasting scheme with Repairing ( MV-R ) [10] Multiple-Video broadcasting method considering Data size [11] Synchronized Double Buffering Broadcasting [12] Data Packet Broadcasting ( DPB ) [13] 6. 1 T elecas T elecommunication and BroadCasting System (T elecas) [14] T elecas FB MV-R T elecas 2 T elecas ( ) T elecas 6. 2 T elecas T elecas 5 T elecas 5 1 T elecas 1.5 T elecas 1

5 6 8 7 T elecas T elecas 1 1 T elecas IP T elecas T elecas T elecas T elecas IGMP-Snooping [15] T elecas 1 3 Gigabit Ethernet T elecas T elecas Mbps 7. 2 T elecas T elecas

6 8 DB-GA Mbps Mbps 3 10 Mbps T elecas 1.0 Mbps 10 Mbps DB-GA Bytes Mbps Mbps DB-GA T elecas DB-GA FB 11.1 MBytes 17.0 MBytes 22.5 MBytes 28.1 MBytes 33.8 MBytes 5 9 ( ) 5.0 Mbps 5.0 Mbps T elecas DB-GA Mbps Mbps 150 FB Mbps DB-GA Bytes 2.35 FB Bytes 8.9 DB-GA FB FB 5.0 Mbps 4.5 Mbps DB-GA 5.0 Mbps T elecas DB-GA FB T elecas DB-GA 7. 5

7 10 ( ) T elecas DB-GA H-AHB Mbps Mbps DB-GA C i i H-AHB C i i 1.0 Mbps Mbps 1 DB-GA H-AHB T elecas DB-GA H-AHB T elecas IGMP-Snooping JOIN T elecas JOIN JOIN T elecas DB-GA MV-R MBytes 22.5 Mbps 22.5 Mbps 5 DB-GA Mbps 5 5 MV-R Mbps DB-GA 4.39 MV-R 6.0 DB-GA MV-R DB-GA 15 MV-R 10 1 T elecas 7. 7

8 B B 15H02702 C 16K T elecas 12 DB-GA DPB 4.0 Mbps 4.0 Mbps 7. 1 Dummynet 20 DB-GA 5.63 DPB T elecas DPB DPB 8. [1] ) p df ( ) [2] Hua, K.A., Bagouet, O. and Oger, D.: Periodic Broadcast Protocol for Heterogeneous Receivers, Proc. ACM Multimedia Computing and Networking, Vol.5019, No.1, pp (2003). [3] Mahanti, A., Eager, D., Vernon, M. and Sundaram-Stukel, D.: Scalable On-Demand Media Streaming with Packet Loss Recovery, IEEE/ACM Trans. on Networking, pp (2003). [4] B Vol.J91-B No.3 pp (2008). [5] D Vol.J91-D No.3 pp (2008) [6] Shi, L., Sessini, P., Mahanti, A., Li, Z. and Eager, D.L.: Scalable Streaming for Heterogeneous Clients, Proc. ACM Multimedia, pp (2006). [7] Vol.12 No.5 pp (1997) [8] Juhn, L. and Tseng, L.: Fast Data Broadcasting and Receiving Scheme for Popular Video Service, IEEE Trans. on Broadcasting, Vol.44, No.1, pp (1998). [9] Vol.2016 pp (2016) [10] Chen, Y. and Huang, K.: Multiple Videos Broadcasting Scheme for Near Video-on-Demand Services, Proc. IEEE International. Conference. on Signal Image Technology and Internet Based Systems 2008, pp (2008). [11] Gotoh, Y.: A Scheduling Method for Division Based Broadcasting of Multiple Video Considering Data Size, Proc. 4th International Workshop on Advances in Data Engineering and Mobile Computing, pp (2015). [12] Vol.109 No,.449 pp (2010). [13] Vol.2012-DPS-152 No.24 pp.1-8 (2012). [14] B Vol.J96-B No.10 pp (2013) [15] :CO-BSW08GTXVL2 ( ) ( )

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