Answers to your questions as I have experienced them

1. yes, however... I have found that the performance degrades quite a
bit more if you are running the MESH and a WiFi network on the same
radio card.  Its better to have two separate radio cards for this.
Even better to run them on different channels so they do not interfere
with each other.

2. Cant help you here.

3. In practice I've made the nodes that can be seen by the majority of
other nodes in the network a root (irregardless if it is a gateway or
not).  So an antenna up on a tower over looking a larger number of
nodes would be a better candidate to be a root node.  Remember that
all nodes in the mesh will proactively establish routes to the root
nodes.  I would also make a node a root if your network resources
(like dns etc.) are located on the node or behind it, and so gateways
off the network are also considered root nodes.  Try to keep the
number of root nodes to a minimum to avoid excessive root advertising
overhead.

David.

On Mon, May 7, 2012 at 11:55 AM, Yile Ku <[email protected]> wrote:
> More questions are coming up about 802.11s:
> 1. Can we run an AP on the same radio as we are running MESH?
> 2. Is there any documentation on how to write an 802.11s driver?
> 3. When should a node be labeled as a root node?
>
> thanks
> Yile-
>
>
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