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DFS Operations Infographic

8/7/2018

4 Comments

 
This infographic was inspired by the work of Nigel Bowden and Devin Akin. Nigel wrote this really good article on DFS that you can find on his website wifinigel.blogpost.com. Devin presented a really detailed webinar on DFS in partnership with Netscout. You can find the recording here.

I would encourage you to go and take a look at their ressources.

Note: there are a lot of disparities in the way DFS operations work between the different ​Wi-Fi vendors. It was a challenge to try to standardize it into one graphic. Please perform detailed testing of your own WLAN solution to find out what the actual DFS operations are in your environment.

​Click on the image below to download the infographic in the PDF format:
DFS Operation Infographic SemFio Networks

​Feel free to look at these ressources if you want to learn more about DFS operations:
  • Nigel Bowden's Blog post on DFS: http://wifinigel.blogspot.com/2018/05/the-5ghz-problem-for-wi-fi-networks-dfs.html
  • Devin Akin's webinar on DFS: https://www.brighttalk.com/webcast/5522/279895/designing-with-dfs-channels
  • DFS Regulations in Canada: http://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf10971.html
  • IEEE 802.11-2016 Standards Clause 11.9

I would like to thank Devin and Nigel for their help in reviewing the infographic and providing feedbacks. If you ​think of a way we could improve this infographic, do not hesitate to let me know in the comments below. 

Thank you!

Cheers,
François Vergès
4 Comments
Rowell link
8/19/2018 00:49:50

This is a great infographic that describes DFS easily. Thanks for putting this together.

Reply
Amandeep Mann
2/12/2019 11:59:54

Great visualization

Reply
annapurna george
6/14/2019 06:42:06

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Reply
Ink Web Solutions link
9/25/2020 05:46:17

It is a great blog post about dlf operations.I am always read your blog helpful and informative tips. I like it thanks for sharing this information with us

Reply



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    François Vergès

    François Vergès is the founder of SemFio Networks. As a Network Engineer, he has a real passion for Wi-Fi.

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