Freie Universität Berlin, Fachbereich Mathematik und Informatik : Ser. B, Informatik ; 08,14
004 Data processing and Computer science
Efficient group communication within the Internet has been implemented by multicast. Unfortunately, its global deployment is missing. Nevertheless, emerging and progressively establishing popular applications, like IPTV or large-scale social video chats, require an economical data distribution throughout the Internet.
To overcome the limitations of multicast deployment, we introduce and analyze BIDIR-SAM, the rest structured overlay multicast scheme based on bi-directional shared prefix trees. BIDIR-SAM admits predictable costs growing logarithmically with increasing group size. We also present a broadcast approach for DHT-enabled P2P networks. Both schemes are integrated in a standard compliant hybrid group communication architecture, bridging the gap between overlay and underlay as well as between inter- and intra-domain multicast.
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