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From: Sven Eckelmann <sven@narfation.org>
Subject: Re: batadv gw_mode client 0?
Date: Wed, 24 Jun 2020 23:12:18 +0200
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To: Rob Cowart <rob.cowart@xecoenergy.com>
Cc: b.a.t.m.a.n@lists.open-mesh.org

 
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On Wednesday, 24 June 2020 22:37:29 CEST Rob Cowart wrote:
> Are there any docs that talk about what B.A.T.M.A.N. V vs B.A.T.M.A.N. IV is good for?  The decision to upgrade was made before I got here, I'm not sure anyone understood that IV would still be supported/expected to be used.

There is a summary page about B.A.T.M.A.N. V [1] which you should read first. 
And you should definitely not use B.A.T.M.A.N. V when the "throughput based 
metric" is not able to retrieve any meaningful values for your link partners
and you are not able to give the routing protocol anything useful to work with.

And B.A.T.M.A.N. IV is still the default and cannot be compiled out. And the
configuration option for B.A.T.M.A.N. V still has following sentence at the 
end:

	  B.A.T.M.A.N. V is currently considered experimental and not
	  compatible to B.A.T.M.A.N. IV networks.

So while it is definitely less experimental than some years ago, it tends to 
still have problems to get useful throughput information from the drivers of 
the lower device(s).

But both protocol versions have their Pros and Cons - but with your current 
setup (with your current drivers), I have have big doubts that B.A.T.M.A.N. V 
has any benefits for you. But I could be wrong.

Kind regards,
	Sven

[1] https://www.open-mesh.org/projects/batman-adv/wiki/BATMAN_V
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