[Olsr-users] Scaling of olsr with reduced TTL

[Jens Nachtigall]

Hi all,

we all know that olsrd won't scale with, say 10'000 nodes (or more). Not only 
due to CPU, but also due to the traffic that would cause. I wonder if one 
could still have a working network of such size by simpling reducing the time 
to live (TTL) to say 8 or something. So each node only knows its neighborhood 
up to 8 hops away, but still one does not need to split the network up into 
different wireless cells, that cannot talk to each other peer-to-peer. 

Of course, one could not talk to the nodes far away in the net anymore, but in 
a scenario where a node only needs to communicate with nodes say at most 5 or 
so hops away (because their is a gateway/HNA every few nodes), this might be 
a simple approach to make this work. I do not know the Djikstra algorithm too 
well, hence my question if this would work?


Regards,
Jens

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