Open Flow Components

Open-Flow

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-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


SDN CHEAT SHEETS


SDN

sdn-cheat-sheet

OPENFLOW

open-flow-cheat-sheet

NFV

nfv-cheat-sheet

NETCONF

netconf-cheat-sheet
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Gokhan Kosem is a Network Engineer, Instructor and the Founder of IPCisco.com with 15+ years of experience in Cisco, Nokia, Huawei, Juniper, Linux, Service Provider Networks, Routing and Switching technologies.

He has worked on the backbone networks of major service providers and network vendors including Nortel, Alcatel-Lucent (Nokia) and has extensive hands-on experience with Cisco, Huawei, Juniper and Nokia networking technologies.

He has trained thousands of networking students worldwide through IPCisco.com, Udemy, books, labs, quizzes, and educational content across multiple social media platforms.

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Lesson tags: sdn, software-define networking, open flow
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