There are two main components used with Open Flow. These are:
• Open Flow Switches
• Open Flow Controllers
Nowi let’s talk about these components detailly.
Open Flow provide the seperation of Control Plane and Data Plane. Here, Open Flow Switches are used in Data (Forwarding) Plane Section.
• Flow Tables
• Secure Channel
• Open Flow Protocol
• Mathing Rule
• Actions to the matched packets
• Counters that keeps the track of matched packets
Mathing rule provide a selection criteria. According to these criterias, packets are selected. Actions are what to do to the selected packets. And counters are the statistic keepers.