I'm going to place these here...

I found these articles fantastic and I wanted a quick place to reference them all. They are all in relation and deal with NVP, SDN, Open vSwitch, and VXLAN.

Configuring VXLAN and GRE Tunnels on OpenvSwitch

Install Open vSwitch 2.0 from RPM on RedHat Fedora

OpenStack: OVS Deep Dive

OpenDaylight Controller:Installation - Wiki