Software defined permiter, lol interesting read though, added capabilities looks nice tho'
http://www.networkworld.com/article/3141930/security/goodbye-nac-hello-software-defined-perimeter-sdp.html
I read that and laughed a little. Sounds like a marketing spiel. Currently, CounterACT and Cisco ISE do the SDP thing with post-admission posture assessment. I'll grant that the letters can change, but the tech is already there.
The author, in my view, does not have an appreciation for the vast complexity necessary to properly identify all devices in the first place, let alone determine who should be talking to what. It's a major victory just having a stable system that can report on the enterprise in a large mulitinational.