A case for end system multicast (keynote address)
Proceedings of the 2000 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Enabling conferencing applications on the internet using an overlay muilticast architecture
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
Scalable application layer multicast
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
Layered coding vs. multiple descriptions for video streaming over multiple paths
MULTIMEDIA '03 Proceedings of the eleventh ACM international conference on Multimedia
Distributed Management Architecture for Multimedia Conferencing Using SIP
DFMA '05 Proceedings of the First International Conference on Distributed Frameworks for Multimedia Applications
Overcast: reliable multicasting with on overlay network
OSDI'00 Proceedings of the 4th conference on Symposium on Operating System Design & Implementation - Volume 4
Challenges and Approaches in Large-Scale P2P Media Streaming
IEEE MultiMedia
Stanford peer-to-peer multicast (SPPM): overview and recent extensions
PCS'09 Proceedings of the 27th conference on Picture Coding Symposium
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In asymmetric group communication, active participants create the multimedia content, while the dormant/passive participant interactively consumes it. This use-case is visible in remote teaching, seminars and conferences. Asymmetric group communication imposes strict timing requirements that directly impact on the Quality of Service (QoS). We use Application Layer Multicast (ALM) to disseminate media from the active speaker to all other conference participants. The ALM tree network minimizes the end-to-end (e2e) delay and reduces the load on the active participants. We propose a system that enables the setup of an asymmetric group communication system using the SIP 3rd party call control (3PCC) mechanism. This facilitates the negotiation and setup of the forwarding relationships between peers to distribute media to all conference participants. We evaluate the maximum outage caused by tree reconstruction and provide a mechanism to make it performant.