Open Flow Components

Open-Flow-Switch

There are two main components used with Open Flow. These are:

• Open Flow Switches
• Open Flow Controllers

Open Flow Switches

Open Flow provide the seperation of Control Plane and Data Plane. Open Flow Switches are used in Data Plane Section.


traditional-switch-versus-open-flow-switch



Open-Flow-SDN-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


Open-Flow-Switch
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.


open-flow-rule-action-stats

Other Open Flow Articles

Open Flow Protocol – Overview
Open Flow Protocol – Components
Open Flow Protocol – Messages




SDN CHEAT SHEETS


SDN

sdn-cheat-sheet

OPENFLOW

open-flow-cheat-sheet

NFV

nfv-cheat-sheet

NETCONF

netconf-cheat-sheet

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