In that case, I think that It would be better if the validation time /
expiration time of the locator associated with the ECM-ed Map Register &
ECM-ed Map Notify is related with the periodic time of sending ECM-ed
Map Registers.
Usually a hole in the nat box is less than two minutes so we send
periodic ECM Mag register to maintain this hole opened apart from
maintaining the status in the Map Server. If we use the TTL of the
record to maintain an entry in the Map Cacahe of the RTR, it is possible
we maintain an entry which is no longer valid or send packets to an
invalid rloc. What do you think?
Regards
Albert
El 03/11/17 a les 18:38, Dino Farinacci ha escrit:
The TTL in the Map-Register is the TTL returned in Map-Replies. So it is the
expiry time for a map-cache entry. Note it is the “Record TTL” in the
EID-record which both appear in Map-Register and Map-Reply messages.
Dino
On Nov 3, 2017, at 1:35 AM, Albert López <[email protected]> wrote:
Dear all,
In section 5.3 of the draft draft-ermagan-lisp-nat-traversal which describe
the RTR processing, it says that when the RTR receive and ECM-ed Map Notify,
once it is validated, it changes the state of the associated map-cache entry to
verified for the duration of the Map Register TTL. What does it mean by Map
Register TTL? it means the TTL of the record of the Map Register or it is the
same concept of the Map Register TTL of the Map Server which is 3 minutes? If I
understand correctly, if we don't receive more Encap Map Register / Map Notify
to renew this verified period, the map-cache entry of the RTR expires, at least
the locator of the map-cache entry associated with the Encap Map register.
"Once the authenticity of the message is verified,
RTR can confirm that the Map-Register message for the ETR with the
matching xTR-ID was accepted by the Map-Server. At this point the
RTR can change the state of the associated map-cache entry to
verified for the duration of the Map-Register TTL"
Thank you in advance.
Albert López
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