An attempt to implement the tree-based group keying scheme described by Cohn-Gordon, et al.
> go get github.com/bifurcation/treekeys
> go test github.com/bifurcation/treekeys -run Performance -v
On my MacBook Pro:
Nodes Setup AckSetup Update AckUpdate
============================================
3 1 0 0 0
7 4 0 0 0
127 115 0 0 0
1023 1067 0 1 0
32767 41825 6 7 8
131071 183468 41 20 19