TY - GEN
T1 - A new approach for the construction of ALM trees using layered video coding
AU - Okada, Yohei
AU - Oguro, Masato
AU - Katto, Jiro
AU - Okubo, Sakae
N1 - Publisher Copyright:
© 2005 ACM.
PY - 2005/11/11
Y1 - 2005/11/11
N2 - This paper presents a novel approach for efficient tree construction in ALM (Application Layer Multicast) using layered video coding. This mechanism 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 environments 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 mechanism 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 environments 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 - Layered video coding
KW - Overlay network
UR - http://www.scopus.com/inward/record.url?scp=84958701367&partnerID=8YFLogxK
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U2 - 10.1145/1099384.1099393
DO - 10.1145/1099384.1099393
M3 - Conference contribution
AN - SCOPUS:84958701367
T3 - P2PMMS 2005 - Proceedings of the ACM Workshop on Advances in Peer-to-Peer Multimedia Streaming, co-located with ACM Multimedia 2005
SP - 59
EP - 68
BT - P2PMMS 2005 - Proceedings of the ACM Workshop on Advances in Peer-to-Peer Multimedia Streaming, co-located with ACM Multimedia 2005
PB - Association for Computing Machinery, Inc
T2 - ACM Workshop on Advances in Peer-to-Peer Multimedia Streaming, P2PMMS 2005
Y2 - 11 November 2005
ER -