Simulations
Comparison in terms of success ratio and message overhead
Random graphs and link success probabilities
Randomly chosen groups and new member
QMRP-2: at most 2 nodes in MP state between new member and any node on searching tree
It avoids blind flooding and branches at the right places
Spanning-join does not scale for small groups because of excessive flooding
QoSMIC does not scale for large groups because it floods the tree
QMRP avoids flooding altogether for trivial joins!