SDN Controller Comparision - 2014

Controller	Programming Language	Pro’s	Con’s	References
NOX	C++	·         One of the earliest open controller	·         Could not identified topologies in loops or devices with multiple connections ·         Supports ONLY OF-1.0 ·         Poor or none documentation	https://github.com/noxrepo/nox-classic/wiki
POX	Python	·         Active community support ·         From NOX ( hopefully stable as NOX)	·         Good for research and Not production ready ·         Poor or none documentation ·         Supports ONLY OF-1.0 ·         Do not support Python 3 ·         Limited JSON-RPC feature	http://www.noxrepo.org/pox/about-pox/
Beacon	Java	·         Clean Code base / Good design	·         Could not identified topologies in loops or devices with multiple connections ·         Eclipse Based / Maven compiler(could not compile outside of eclipse)	http://www.beaconcontroller.net/ https://openflow.stanford.edu/display/Beacon/Home
Floodlight	Java 1.7 or above	·         Completely Java and can be built easily outside with ant ·         Very active forum – up to date ·         Good JSON/REST API (feature rich) ·         Good documentation ·         Easy open stack integration	·         Web based UI and Java based UI ships with floodlight are NOT supported by Big Switch	http://www.projectfloodlight.org/ https://openflow.stanford.edu/forums/forum/4-beacon-general/ http://docs.projectfloodlight.org/display/floodlightcontroller/Floodlight+Documentation
OpenDayLight	Java	·         Active forum ( hugely backed by cisco and big players) ·	·         Project has grown big in recent times, it is vast , need to chop modules for custom needs	http://www.opendaylight.org/
OpenIRIS	Java	·	·	http://openiris.etri.re.kr/