Since ganglia 3 now supports unicast (great for those one-off machines not situated within a cluster), I was wondering if anyone else has given this any thought - encrypting the unicast data in transit. I can think of a couple of ways to accomplish this: use stunnel, SSH port forwarding etc...
This would get unmanageable rather quickly for a large cluster, again I'm talking about those one-off unicast machines (although it would be nice if future ganglia releases supported some sort of shared key to optionally encrypt the cluster/multicast traffic as well). -Matt Cuttler
