PCTRL is a Protocol-oblivious Forwarding (POF) controller which is developed based on POX platform.
The user of PCTRL needs to be familiar with POF protocol and its basic operation principles at first.
The knowledge of POF can be found at www.poforwarding.org.
All POF related APIs can be found in pox/openflow/pofmanager.py.
A brief demo of using these APIs are included in ext/network_test.py.