OK, thanks. > You discover the possible routers by performing an RS/RA > exchange. The RS is typically sent to the IPv6 all-routers > multicast address (see Section 5.3).
But then we are back to my first question: >>In that case, what happens if this message reaches 50 different 6LRs within direct range? >>I suppose something prevents me from getting flooding? IOW: Do I have do some random arbitration of Router Advertisements in response to multicasted Router Solicitations in a lowPan? ;-) > -----Original Message----- > From: Zach Shelby [mailto:[email protected]] > Sent: Thursday, October 28, 2010 10:43 > To: Anders Brandt > Cc: [email protected] 6lowpan > Subject: Re: [6lowpan] ND: Sending NS+ARO message for the first time > > Hi Anders, > > On Oct 28, 2010, at 11:34 AM, Anders Brandt wrote: > > >>> Is the NS+ARO message sent with multicast when I do > registration the > > first time? > > > > You say: > >> Well, we don't need to resolve an address, so it should be unicast. > > > > This is under the assumption that I know where to register the very > > first time. > > Is it obvious that I know that? (how?) > > > You discover the possible routers by performing an RS/RA > exchange. The RS is typically sent to the IPv6 all-routers > multicast address (see Section 5.3). However, if e.g. your L2 > technology already gives you a hint about where a routers is > (e.g. the coordinator), the RS could then be sent unicast. I > am not sure if that is the case with z-wave. > > After this you perform NS+ARO registration unicast with one > or more routers (see Section 5.5). > > Also see the example host bootstrap sequence in Section 10.2. > > Hope that helps, > Zach > > -- > Zach Shelby, Chief Nerd, Sensinode Ltd. > http://zachshelby.org - My blog "On the Internet of Things" > http://6lowpan.net - My book "6LoWPAN: The Wireless Embedded Internet" > Mobile: +358 40 7796297 > > _______________________________________________ 6lowpan mailing list [email protected] https://www.ietf.org/mailman/listinfo/6lowpan
