[Battlemesh] [B.A.T.M.A.N.] Diversity in BATMAN

Benjamin Henrion bh at udev.org
Fri Mar 9 17:07:37 CET 2012

On Fri, Mar 9, 2012 at 4:43 PM, Andrew Lunn <andrew at lunn.ch> wrote:
>> With such metric, you don't make any difference between a 56K
>> telephone line and a 10Ge NIC.
>> If you 10Ge has 5pc packet loss and your 56K line has 0pc, your TQ
>> will be prefer the 56k link.
> If my 10Ge has 5% packet loss, its broken. I don't want to use
> it. Falling back to the 56K link is the right thing to do.
> There is a general rule of thumb. The higher the bandwidth, the less
> packet loss there is. This is because high bandwidth links are
> generally not wireless and so don't suffer high packet loss.
> As a side effect, BATMAN will tend to favor wired links over wireless
> links, because wired links tend to be reliable, wireless links drop
> packets.

So compare a 1Mbits wireless link with a 54Mbits one.

Benjamin Henrion <bhenrion at ffii.org>
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