The strictest definition of SDN, as described by the Open Networking Foundation (ONF), is the physical separation of the network control plane from the forwarding plane, and where a control plane controls several devices.
Openflow was first introduced for use in campus networks and is now maintained and promoted by the Open Networking Foundation (ONF) [4].
The Open Networking Foundation and OpenDaylight group will participate with Broadcomm, Intel, VMware, and Cumulus Networks.
OpenFlow gave rise to the Open Networking Foundation, an organization ran by major companies within the area of computer networks that aims to disseminate this type of technology.
The group, to be called the Open Networking Foundation, hopes to help standardize a set of technologies pioneered at Stanford and the University of California, Berkeley, and meant to make small and large networks programmable in much the same way that individual computers are.
Open Networking Foundation.
The Software Defined Networking (SDN) architecture was developed in the Open Networking Foundation (ONF) Architecture working group.
Recently, several standard organizations such as ITU, European Telecommunications Standards Institute (ETSI) NFV Industry Specification Group (ISG) [18], and Open Networking Foundation (ONF) [19] are developing NFV concept and its system framework.
The Open Networking Foundation (ONF) proposes to apply SDN in order to improve the usage of wireless resources and thus increasing the satisfaction of users.
