TY - GEN
T1 - A new approach for the construction of ALM trees using layered coding
AU - Okada, Yohei
AU - Oguro, Masato
AU - Katto, Jiro
AU - Okubo, Sakae
PY - 2005
Y1 - 2005
N2 - This paper presents a novel approach for efficient tree construction in ALM (Application Layer Multicast) using layered video coding. This system is suitable for the users in heterogeneous environment such as xDSL and CATV, where upload and download speeds are different. We point out some problems in these environment of the ALM and show their solutions at two stages. First, we redefine the "degree parameter" which originally specifies the number of single rate streams the host can transmit, to reflect asymmetric link properties and to accommodate layered streams. Second, we develop an efficient tree construction algorithm using the renewed degree parameter, which maximizes total throughput of all hosts. Simulations using NS-2 prove improvement in throughput, delay and overhead by our proposal. Software implementation is also carried out, and subjective quality improvement is verified.
AB - This paper presents a novel approach for efficient tree construction in ALM (Application Layer Multicast) using layered video coding. This system is suitable for the users in heterogeneous environment such as xDSL and CATV, where upload and download speeds are different. We point out some problems in these environment of the ALM and show their solutions at two stages. First, we redefine the "degree parameter" which originally specifies the number of single rate streams the host can transmit, to reflect asymmetric link properties and to accommodate layered streams. Second, we develop an efficient tree construction algorithm using the renewed degree parameter, which maximizes total throughput of all hosts. Simulations using NS-2 prove improvement in throughput, delay and overhead by our proposal. Software implementation is also carried out, and subjective quality improvement is verified.
KW - Application layer multicast
KW - Overlay
UR - http://www.scopus.com/inward/record.url?scp=33845335472&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33845335472&partnerID=8YFLogxK
U2 - 10.1109/ICAS-ICNS.2005.5
DO - 10.1109/ICAS-ICNS.2005.5
M3 - Conference contribution
AN - SCOPUS:33845335472
SN - 0769524508
SN - 9780769524504
T3 - Proceedings of the Joint International Conference on Autonomic and Autonomous Systems and International Conference on Networking and Services, ICAS/ICNS 2005
SP - 12
BT - Proceedings - Thirteenth International Symposium on Temporal Representation and Reasoning, TIME 2006
T2 - Joint International Conference on Autonomic and Autonomous Systems and International Conference on Networking and Services, 2005. ICAS-ICNS 2005
Y2 - 23 October 2005 through 28 October 2005
ER -