References - Paxterra/TestON GitHub Wiki

To learn about :

SDN - http://en.wikipedia.org/wiki/Software-defined_networking

OpenFlow - http://www.openflow.org/

mininet - https://github.com/mininet/mininet/

pox - http://www.noxrepo.org/pox/about-pox/

nox - http://www.noxrepo.org/nox/about-nox/

flowvisor - https://github.com/OPENNETWORKINGLAB/flowvisor

On.Lab official Website : http://onlab.us/

Opendaylight : https://wiki.opendaylight.org/view/Main_Page