Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-multicast-registration-11
"Pascal Thubert (pthubert)" <pthubert@cisco.com> Fri, 18 November 2022 11:40 UTC
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>
CC: Esko Dijk <esko.dijk@iotconsultancy.nl>, "carles.gomez@upc.edu" <carles.gomez@upc.edu>, "6lo@ietf.org" <6lo@ietf.org>, "ipv6@ietf.org" <ipv6@ietf.org>
Thread-Topic: [IPv6] [6lo] WG Last Call on draft-ietf-6lo-multicast-registration-11
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Subject: Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-multicast-registration-11
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Hello Michael: What if we start like: " 3. Overview This specification extends [RFC8505] and inherits from [RFC8928] to provide a registration method - called subscription in this case - for anycast and multicast address. [RFC8505] is agnostic to the routing protocol in which the address may be redistributed. In classical networks, [RFC8505] may be used for an ND proxy operation as specified in [RFC8929], or redistributed in a full- fledged routing protocol such as EVPN [I-D.thubert-bess-secure-evpn-mac-signaling] or RIFT [I-D.ietf-rift-rift]. The device mobility can be gracefully supported as long has the routers can exchange and make sense of the sequence counter in the TID field of the EARO. " Works? I made this commit in prep: https://github.com/pthubert/6lo-multicast-registration/commit/10ac63dcaae1f98d4cda1970e17747c445040763 To your question on PASA: A PASA + RPL combo would use RPL MOP 0 since the routing down is signaled in the address so RPL does not play there. The steps would be MOP 0 defines the DODAG and the default route. Normal 6LoWPAN + RPL for packets up towards the root. Then the nodes would form their own PASA based on the PASA of their preferred parent and register that address to their applications in the backend. Then the application would speak directly to those addresses. The root would turn the address in a PASA-6LoRH which handles the routing down. To Luigi: we're probably missing the step where the parent advertises its PASA address to tell the child to form its own. Maybe a flag in the NA or something saying the target is a PASA address. Unless it's well known? All the best Pascal > -----Original Message----- > From: Michael Richardson <mcr+ietf@sandelman.ca> > Sent: jeudi 17 novembre 2022 17:33 > To: Pascal Thubert (pthubert) <pthubert@cisco.com> > Cc: Esko Dijk <esko.dijk@iotconsultancy.nl>; carles.gomez@upc.edu; > 6lo@ietf.org; ipv6@ietf.org > Subject: Re: [IPv6] [6lo] WG Last Call on draft-ietf-6lo-multicast- > registration-11 > > > Pascal Thubert \(pthubert\) <pthubert=40cisco.com@dmarc.ietf.org> wrote: > > Makes sense to me. What about: > > I'm mostly happy with this, but maybe: > > > In the case of LLNs, RPL [RFC6550] is the routing protocol of > choice > > and [RFC9010] specifies how the unicast address advertised with > > Maybe this could mention other choices somewhere? > What about in the case of non-LLNs? Would it work with OSPFv3? > Would it work for /128 prefixes on un-bridged wifi? > > Could PASA make use of this? (I'm genuinely unclear) > > > -- > Michael Richardson <mcr+IETF@sandelman.ca> . o O ( IPv6 IøT consulting ) > Sandelman Software Works Inc, Ottawa and Worldwide > > >
- [6lo] WG Last Call on draft-ietf-6lo-multicast-re… Carles Gomez Montenegro
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Esko Dijk
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… Mark Smith
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Falendysz, Gene
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… Michael Richardson
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… tom petch
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Pascal Thubert (pthubert)
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Falendysz, Gene
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Falendysz, Gene
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… Michael Richardson
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… tom petch
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… Pascal Thubert (pthubert)
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… tom petch
- Re: [6lo] [IPv6] WG Last Call on draft-ietf-6lo-m… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Falendysz, Gene
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Falendysz, Gene
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Pascal Thubert (pthubert)
- Re: [6lo] WG Last Call on draft-ietf-6lo-multicas… Esko Dijk