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• Create Date July 25, 2017
• Last Updated December 27, 2022

OpenFlow v1.1.0 Specification

OpenFlow® is the first standard communications interface defined between the control and forwarding layers of an SDN architecture. OpenFlow® allows direct access to and manipulation of the forwarding plane of network devices such as switches and routers, both physical and virtual (hypervisor-based).

OpenFlow-based SDN technologies enable IT to address the high-bandwidth, dynamic nature of today's applications, adapt the network to ever-changing business needs, and significantly reduce operations and management complexity.

For historical information about the origins of OpenFlow® at Stanford University prior to the creation of ONF, please see archive.openflow.org.

 Programmability

• Enable innovation/differentiation
• Accelerate new features and services introduction

Centralized Intelligence

• Simplify provisioning
• Optimize performance
• Granular policy management

Abstraction

• Decouple:
  • Hardware & Software
  • Control plane & forwarding
  • Physical & logical config.