Open Flow Components

Table of Contents

Open Flow Components

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 Switches

Open Flow provide the seperation of Control Plane and Data Plane. Here, Open Flow Switches are used in Data (Forwarding) Plane Section.

traditional-switch-versus-open-flow-switch

Open Flow Switches consist of some key elements. These key elements has special duties in Open Flow Switches. What are these Open Flow Switch elements? These are :

• Flow Tables
• Secure Channel
• Open Flow Protocol

In the Open Flow Switches, there are Flow Tables that has many Flow entires in it. These Flow entries has three comon fields. These common Flow Table fileds are :

• 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.