[Battlemesh] ipv6 prefix delegation in layer 3 mesh networks

Henning Rogge hrogge at gmail.com
Thu Feb 11 16:21:13 CET 2016

On Thu, Feb 11, 2016 at 4:12 PM, Juliusz Chroboczek
<jch at pps.univ-paris-diderot.fr> wrote:
> If I understand Philipp's scheme right, the DHCPv6 relay discovers the
> address of the DHCPv6-PD server by snooping on the routing protocol.  So
> it needs to be able to distinguish an HNA that announces a prefix
> available for delegation (announced by a node running a DHCPv6-PD server)
> from an HNA announced by a DHCPv6-PD client (which is not willing to
> provide further sub-delegations).
> So how do you distinguish?  By looking at the prefix length?

If I remember it correctly a node that supplies a prefix for
delegation will announce this with HNCP...

which means you can combine the HNCP knowledge with the fact that you
have a route towards it.


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