> Could I not do the above even if the EID-prefix DID NOT EXIST? Or are we 
> restricting any application of policy only to LISP EID-prefixes, and not to 
> non-LISP prefixes? 

No, it would be either.

> The map-replies suggested in the new text would effectively be NMRs, correct? 
> i.e. Map-replies with empty locator sets and the ACT bits set.

The definition of a Negative Map-Reply is one with a empty RLOC-set. I will 
make that more clear in the definition and the description on how to return 
different actions.

> If that is the intent, maybe we need to revise the definitions for NMR and 
> ACT as I think right now there is some inconsistency/contradiction:
> 
> a) NMR definition - Issued in response to queries only for EIDs that DO NOT 
> EXIST
> b) ACT bits specification - for use in NMRs ONLY
> c) New text describing how the ACT bits are used to specify forwarding 
> behavior for EIDs that DO EXIST

Agree 100%. See new diff file.

> So NMRs are exclusive to non-existent or non-registered EIDs (a) and ACT bits 
> are exclusive to NMRs (b). Yet (c) implies that NMRs will be used for EIDs 
> that DO EXIST. So (c) contradicts (a).

No, not really. “Exist” is too general a term. We should say “not registered”. 

Let me know if new text is better.

Thanks,
Dino


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