This presentation explained the benefits of IP multicast technology and described how it is used within the broadcasting industry today. Thomas discussed the current challenges to wide scale IPTV distribution using IP multicast and explained how Automatic Multicast without explicit Tunnels (AMT) overcomes these challenges and briefly described the status of this specification.

The primary goal of Automatic Multicast without explicit Tunnels (AMT) is to foster the deployment of native IP multicast by enabling a potentially large number of nodes to connect to the already present multicast infrastructure. The protocol specification can be deployed in a few strategically-placed network nodes and in user-installable software modules (pseudo device drivers and/or user-mode daemons) that reside underneath the socket API of end-nodes' operating systems

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