I think it would be possible to detect loops if we wanted really hard to do that. That might just
lead to reinvention of the spanning tree protocol, though.
This is a danger, yes.
Why is this a danger?
IMO, the ND proxy mechanism effectively does bridging at layer 3. What makes you think it will be any easier here than at layer 2? If layer 3 bridging is something that we need, then why not run STP?
There was some discussion of this general concept (zero-configuration routing and/or layer 3 bridging) in the Zerouter BOF and on the zerouter mailing list... Does anyone know if that effort is still active?
Margaret
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