> Is that a SHOULD or a MUST? From the text quoted below, I assume that it is a 
> SHOULD.

It is a SHOULD because in controlled/trusted environments we don't want to 
require the overhead of a verifying Map-Request.

Dino

> 
>                                          Ron
> 
> 
>> -----Original Message-----
>> From: Dino Farinacci [mailto:[email protected]]
>> Sent: Friday, July 22, 2011 5:47 PM
>> To: Ronald Bonica
>> Cc: [email protected]
>> Subject: Re: [lisp] gleaned mappings
>> 
>> The spec says that gleanings are verified by sending a Map-Request to
>> the mapping database system.
>> 
>> Dino
>> 
>> On Jul 22, 2011, at 12:48 PM, Ronald Bonica wrote:
>> 
>>> Folks,
>>> 
>>> In Section 4.1 of the draft-ietf-lisp you say:
>>> 
>>>  In order to defer the need for a mapping lookup in the reverse
>>>  direction, an ETR MAY create a cache entry that maps the source EID
>>>  (inner header source IP address) to the source RLOC (outer header
>>>  source IP address) in a received LISP packet.  Such a cache entry
>> is
>>>  termed a "gleaned" mapping and only contains a single RLOC for the
>>>  EID in question.  More complete information about additional RLOCs
>>>  SHOULD be verified by sending a LISP Map-Request for that EID.
>> Both
>>>  ITR and the ETR may also influence the decision the other makes in
>>>  selecting an RLOC.  See Section 6 for more details.
>>> 
>>> Has anyone thought through the security implications and possible
>> unexpected side effects of these "gleaned" mappings?
>>> 
>>>                                          Ron
>>> 
>>> 
>>> _______________________________________________
>>> lisp mailing list
>>> [email protected]
>>> https://www.ietf.org/mailman/listinfo/lisp
> 

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