[Dundi] advertising for peers

[Mark Spencer]

> So if there are a bunch of peers along a branch which are able to terminate 
> things which look more and more like +165042313 as we move along, the ideal 
> place for the operator of the 650-13xx 100-number block to connect would be 
> somewhere out along the end of it?

Right.  Keep the paths as short as reasonably possible, and keep them as 
much as possible close together.

Remember that this is all about optimization, none of this is required for 
the protocol operation, just to try to keep things fast.  I'll be writing 
another message with some more deatils shortly.

Mark