IP Multicast
- Point to Multipoint, Multipoint to Multipoint Communication
- Receivers join & leave the group with no permission or knowledge by the sender
- Routers build a spanning tree to distribute data
- Group Management Protocol between hosts and routers (IGMP)
- Mulsticast Rouiting : Share based trees (PIM-SM, CBT), Source based tress (DVMRP, PIM-DM)
- Transfer is Unreliable...
University College London - Pragmatic General Multicast