[Olsr-users] What happens when a channel is overused?

Henning Rogge (spam-protected)
Mon Jan 19 10:22:21 CET 2009


Am Sunday 18 January 2009 23:37:41 schrieb Derek C:
> This is probably a question for Aaron who has experience with this:
>
> What happens when too many nodes are close together?
>
> There will be interference anyway but is there a "tipping point" where
> suddenly the apparent bandwidth drops quickly or does the network slow
> down slowly over time as new nodes are added?
Like all "shared medium" networks WLAN degrade with additional traffic. At 
some point the total traffic transmitted by all nodes together will decrease 
if you add more nodes.

> Importantly:  Is there a way to notice this problem occurring so that
> something can be done before real trouble happens?
Difficult, especially on WLAN because you can be jammed by stations you cannot 
receive packets from.

Henning

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