Regarding the "SDN analytics cycle where you mine the network for data, find out what's going on, and use that info to (if necessary) reconfigure the network" -- is this cycle fast enough? Packet data bursts come and go much faster (at microsecond time scale) that server software can react. To be useful, the reconfiguration functionality needs to operate in sync with the data plane events: one needs a realtime control plane that is integrated with the date plane. Of course NMS software can provide (non-realtime-dynamic) configuration parameters for the realtime control plane (just like it does for the data plane).
So according to Meyer, many companies are accepting the SDN analytics cycle where you mine the network for data, find out what's going on, and use that info to (if necessary) reconfigure the network.
It fits with the general premise that analytics are becoming a very important part of networking. I'm reminded of Ray's video bit from May:
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