OpenVNet
The "OpenVNet" adds a Network Virtualization layer on top of the existing physical network and enables data center network administrators to simplify tremendously the creation and operation of multi-tenant networks. It is based on edge overlay network architecture and provides all the necessary components for network virtualization such as SDN controller, Virtual Switch, Virtual Router and powerful APIs among other.
OpenVNet project was started from April 2013. Almost part of the implementation had already done in Wakame-vdc project around first of 2012.