> On Nov 6, 2022, at 8:49 PM, Alberto Rodriguez-Natal (natal) <[email protected]> > wrote: > > > Hi Dino, > > I’m referring to this exchange [1] between Alvaro and you, regarding the use > of ITR-RLOCs from the Map-Request as the addresses to use to send the > Map-Notifies to. > > The summary is that since Map-Requests include the “ITR-RLOC” fields, we are > using those, instead of the source address of the Map-Request, to send the > Map-Notifies. This is for both Map-Notifies used to ack subscription as well > as for Map-Notifies sent as publication (the Map-Server keeps track of the > last ITR-RLOCs received for a subscriber). > > Hope it makes sense :)
It makes sense now but we have to be careful those ITR-RLOC addresses are translated public addresses so the Map-Notify can get back to ITRs through NATs. Dino > > Alberto > > [1] https://mailarchive.ietf.org/arch/msg/lisp/hN4tpuZl2nm86UVTqqmH24q0Tx8/ > > > From: Dino Farinacci <[email protected]> > Date: Sunday, November6 2022 at 2:39 PM > To: Alberto Rodriguez-Natal (natal) <[email protected]> > Cc: Alvaro Retana <[email protected]>, [email protected] <[email protected]>, > Luigi Iannone <[email protected]>, [email protected] <[email protected]>, > Vina Ermagan <[email protected]>, Stefano Secci <[email protected]>, > Fabio Maino (fmaino) <[email protected]>, Sharon Barkai > <[email protected]>, Albert Cabellos <[email protected]>, Johnson > Leong <[email protected]>, JACQUENET Christian INNOV/NET > <[email protected]>, [email protected] > <[email protected]> > Subject: Re: AD Review of draft-ietf-lisp-pubsub-09 > > > [AR] As mentioned in the Alvaro/Dino discussion, regular Map-Notifies as > > per 9301 are sent to the source IP address of the Map-Register that > > triggered them. Since PubSub extends LISP to specify that Map-Notifies can > > also be triggered by Map-Requests, we need to specify where these > > Map-Request-triggered Map-Notifies are sent to. > > This isn't making sense to me. Are you talking about a Map-Notify as an ack > to the Map-Register or an unsolicited Map-Notify and if the latter, the > notification is going to the source address of the LAST subscription request. > And if another Map-Request came later with the N-bit set again, with a > new/different source IP address, the map-server must cache the last address > (and later send Map-Notify to this new address). > > Agree? > > Dino
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