Hierarchical reliable multicast: performance analysis and placement of proxies
COMM '00 Proceedings of NGC 2000 on Networked group communication
An analysis of retransmission strategies for reliable multicast protocols
PICS '98 Proceedings of the IFIP TC6/WG6.3 Seventh International Conference on Performance of Information and Communication Systems
Multicast transport protocols: a survey and taxonomy
IEEE Communications Magazine
Multicast routing algorithms and protocols: a tutorial
IEEE Network: The Magazine of Global Internetworking
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Live streaming media is delay sensitive with small allowable delay. Current conventional multicast protocols do not provide a loss retransmission mechanism. Even there are some researches on a reliable multicast providing a loss retransmission mechanism but a long delay and a high packet loss rate make them inefficient for live streaming. This paper proposes a new multicast protocol based on a protocol relay concept. The proposed protocol focusing on allowable delay provides Quality of Service (QoS) for live streaming. Relay nodes are placed along the multicast tree. Data recovery is done between relay nodes. We propose the methods that enable protocol relays to request retransmission immediately and reduce the number of duplicate packets. Finally, we make a mathematical analysis of the proposed protocol and compare it with other multicast protocols. The results show that the proposed protocol is more efficient for live streaming than the conventional protocols.