[RAM] question about LISP v1

[marcelo bagnulo braun <marcelo at it.uc3m.es>]

Hi Dino,

i have a question about the new version of LISP i.e. draft-farinacci- 
lisp-0

How does an initiator node informs the receiver about its multiple  
RLOCs?

I mean, in the described packet flow sequence, the initiator sends a  
LISP data packet containing its EID and RLOC in the source address  
fields of the inner and outer header, and this is how the receiver  
ETR learns about the EID-to-RLOC mapping of the initiator. However,  
this only conveys a single RLOC, what happens if the initiator has  
multiple RLOCs (the most common in a multihomed site) and wants to  
inform the receiver ETR about them?

In the previous version of LISP, it was possible for the initiator to  
send an unsolicited Map-Reply message containing the whole RLOC set  
to the receiver. however, the current version includes the nonce, so  
Map-reply messages can only be sent as replies to data packets or map  
request messages. So, does this means that the initiator cannot  
inform spontaneously of its locator set and must wait for the  
receiver to ask for it? or there is a mean for the initiator to send  
the locator set to the receiver even if the receiver haven't asked  
for it?

Thanks, marcelo


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