4. SCALABLE RECURSIVE MULTICAST PROTOCOL..............55
4.1 Introduction...................................................................................................... 55
4.2 Overview of proposed protocol........................................................................ 57
4.2.1 Definitions............................................................................................ 58
4.3 Membership Management................................................................................ 59
4.3.1 Dynamic Branching node-based Tree (DBT) ...................................... 59
4.3.2 Messages and tables structure at SReM ............................................... 60
4.4 Joining / leaving and BNR Selection Procedure.............................................. 65
4.4.1 Service Discovery ................................................................................ 65
4.4.2 Joining process in SReM...................................................................... 66
4.4.3 Leaving process in SReM .................................................................... 69
4.4.4 Tree maintenance ................................................................................. 72
4.5 Delivery of Packets .......................................................................................... 74
4.5.1 SReM header and packet delivery........................................................ 74
4.5.2 Multicasting in confirmed mode .......................................................... 75
4.5.3 Multicasting in unconfirmed mode ...................................................... 76
4.6 Performance Evaluation................................................................................... 78
4.6.1 Comparison and Cost analysis ............................................................. 79
4.6.2 Simulation analysis .............................................................................. 90
4.7 Summary .......................................................................................................... 96
5. SCALABLE RECURSIVE MULTICAST PROTOCOLS IN MOBILE
Enviroments..................................................................98
5.1 Introduction...................................................................................................... 98
5.2 Inherited features from SReM........................................................................ 100
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