Yes, the design you describe here makes perfect sense. I did not get this distinction from the current text at all. So yes, please reword it. The framework you presented in this email is much clearer and may serve as a good basis.
Thanks Martin On Wed, Oct 28, 2020 at 1:30 PM Dino Farinacci <[email protected]> wrote: > > If I parse your answer correctly, the answer to my question is 'no'. So > in the scenario where the Map-Notify is lost, both the Map-Register and the > Map-Notify are on retransmission timers. The most straightforward reading > of the text is that > > - I respond to every Map-Register with a Map-Notify (if it requests it) > > - For every Map-Notify I send, I start a retransmission timer. > > Let me be a bit more clear about how retransmissions of Map-Registers and > Map-Notifies work. > > There are two broad cases, > > (1) Map-Notify messages as an ack to Map-Registers. > (2) Map-Notify messages that are unsolicited from Map-Servers. > > In the first case: > > (1) When Map-Registers are sent with the bit set to request acknowledgment > for Map-Registers received by Map-Servers, a retransmission timer is set by > the xTR for Map-Register retransmissions (which is more often than the > periodic Map-Register timer). > > (2) The Map-Server sends a Map-Notify for each received Map-Register. > There is NO retransmission timer for the Map-Notify. > > In the second case: > > (1) A Map-Server detects a RLOC-set change and wants to Map-Notify the > xTRs in the old and new RLOC-set by sending a Map-Notify message. These > messages are acknowledged by the xTR by Map-Notify-Ack messages. In this > case the Map-Server DOES have a retransmission timer for the Map-Notify for > each xTR. > > (2) The Map-Notify-Ack DOES NOT have a retransmission timer and simply is > sent by an xTR when it receives a Map-Notify. > > So having said that, you probably still want some better rewording. Please > confirm? > > Dino > >
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