Hello Michael For the SNMA thingy, Which is really for use by ND, if the AP does something, it better do ND proxy so it knows which IPv6 addresses are associated. If it understands the target address, a single unicast to the target is a better deal than playing multicast games to the snma. This is what the backbone router recommends to do. Take care, Pascal > Le 18 sept. 2020 à 21:47, Michael Richardson <mcr+ietf@xxxxxxxxxxxx> a écrit : > > > Two other thoughts upon re-reading. > >> o Some wireless devices are known to fiddle with ND packets and >> perform various non-obvious forms of ND proxy actions. In some >> cases RSes might not even reach the routers. > > this concern seems like an own-goal to me.[1] > Help! DOCTOR, I enabled this fiddly thing, and now my network only gets > three stars! > > about 3.5, listening to all solicited node multicast address groups. > In the WiFi case, those multicast groups are preferrably emulated by APs > turning the multicasts into unicasts at higher Tx-rates. So the system is > really listening to all of those groups already. Maybe some vendors have > managed to put that into silicon, but I'll bet most have not. > > I would assume that Joel Halpern, having written that other document, has > some knowledge about: > Some routing vendors support such optimization already. > > maybe those vendors could comment on how well it works, and what the CPU > impact is? > > [1] https://en.wikipedia.org/wiki/Own_goal > > > -- > Michael Richardson <mcr+IETF@xxxxxxxxxxxx>, Sandelman Software Works > -= IPv6 IoT consulting =- > > > > _______________________________________________ > v6ops mailing list > v6ops@xxxxxxxx > https://www.ietf.org/mailman/listinfo/v6ops -- last-call mailing list last-call@xxxxxxxx https://www.ietf.org/mailman/listinfo/last-call
