[Babel-users] Some notes on seqno requests in Babel

[Juliusz Chroboczek]

I've decomposed the paragraph that you find confusing into three parts.
I think it reads a little better now:

   Otherwise, if the requested router-id is not its own, the received
   request's hop count is 2 or more, and the node is advertising the
   prefix to its neighbours, the node selects a neighbour to forward the
   request to as follows:

   o  if the node has one or more feasible routes toward the requested
      prefix with a next hop that is not the requesting node, then the
      node MUST forward the request to the next hop of one such route;

   o  otherwise, if the node has one or more (not necessarily feasible)
      routes to the requested prefix with a next hop that is not the
      requesting node, then the node SHOULD forward the request to the
      next hop of one such route.

   In order to actually forward the request, the node decrements the hop
   count and sends the request in a unicast packet destined to the
   selected neighbour.