Re: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt
Naveen Kottapalli <naveen.sarma@gmail.com> Mon, 26 November 2018 09:32 UTC
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In-Reply-To: <32e65875-6cbc-f180-4456-7a4b1a4cae50@gmail.com>
From: Naveen Kottapalli <naveen.sarma@gmail.com>
Date: Mon, 26 Nov 2018 15:01:55 +0530
Message-ID: <CANFmOtnX2_YOVq2=Sdhknmz97xUG3X5eyRKzXZvRQQXjFZFfxg@mail.gmail.com>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: Mark Smith <markzzzsmith@gmail.com>, v6ops list <v6ops@ietf.org>, 6man WG <ipv6@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/RbjCxamiLp-30qG6iUahMehjgzE>
Subject: Re: [v6ops] New Version Notification for draft-naveen-slaac-prefix-management-00.txt
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Handling is different for that and work is in progress. Yours, Naveen. On Mon, 26 Nov 2018 at 00:56, Brian E Carpenter <brian.e.carpenter@gmail.com> wrote: > On 2018-11-26 05:44, Naveen Kottapalli wrote: > > Just adding my 2 cents. > > > > Even in our gateway we have both SLAAC and DHCPv6. For better routing of > > subscriber traffic, though these are two different protocols we had to > > assign a single prefix for each device. In case of SLAAC we let the > device > > leverage the complete 128 bit address generation and in DHCPv6 case, our > > box generates the 128 bit address using the same prefix, map against DUID > > and sends back to the devices. In the last 5-6 years of production till > > now we have not seen any device requesting more than 1 IA_NA and even our > > gateway does not support more than 1 DHCPv6 address; whereas all the > > devices which got the SLAAC prefix used at most 16 addresses. > > How will all this work when the subscribers are homenets that need > /56 or /48 prefixes? > > Brian > > > > Yours, > > Naveen. > > > > > > On Sun, 25 Nov 2018 at 13:16, Mark Smith <markzzzsmith@gmail.com> wrote: > > > >> On Sun, 25 Nov 2018 at 17:16, Mikael Abrahamsson <swmike@swm.pp.se> > wrote: > >>> > >>> On Sat, 24 Nov 2018, Templin (US), Fred L wrote: > >>> > >>>> Do you think we should bring back RAAN? > >>> > >>> Yes, but also note that the relay behavior is my least concern with the > >>> DHCP+RA combination. The ships in the night problem between leasetimers > >>> (DHCP) and lifetimes (RA) is a much bigger concern for me. > >>> > >> > >> (I haven't followed this thread, apologies if it has been covered.) > >> > >> In this scenario, I assume the DHCPv6 server is selecting the prefix > >> to delegate, and the BRAS is acting as a DHCPv6 relay, which is why > >> the BRAS has to glean the delegated prefix to then be able to announce > >> it into the routing domain? Are the delegated prefixes dynamic or > >> static, and if they're static (or at least stable across > >> disconnect/connect), is it correct that the CPE's DUID is being used > >> to re-issue the same delegated prefix? > >> > >> The reason I ask is that the IPv6 residential broadband deployment I > >> worked on achieved this without gleaning via two methods: > >> > >> - for static delegated prefixes, the prefix is supplied as part of the > >> RADIUS authentication response, which the BRAS DHCPv6 server then uses > >> for DHCPv6-PD, and the BRAS can then announce into the routing domain > >> > >> - for dynamic delegated prefixes, the RADIUS server provided a pool > >> name to allocate from, with each BRAS having a local pool with that > >> name. At the time the pool name was a proprietary RADIUS attribute, > >> however there is now an IETF attribute for the pool name specified in > >> RFCRFC6911. > >> > >> > >> An alternative idea, although probably more medium term, would be to > >> have the CPE's receive the prefix via DHCPv6-PD, and then the CPE > >> advertises the prefix itself, using automatically established eBGP > >> sessions via a well known Link-Local anycast address. > >> > >> "IPv6 Formal Anycast Addresses and Functional Anycast Addresses" > >> > https://tools.ietf.org/html/draft-smith-6man-form-func-anycast-addresses-00 > >> > >> "5.7.3. Automatic eBGP Session Establishment" > >> > >> > https://tools.ietf.org/html/draft-smith-6man-form-func-anycast-addresses-00#section-5.7.3 > >> > >> > >> Regards, > >> Mark. > >> > >> > >>> -- > >>> Mikael Abrahamsson email: swmike@swm.pp.se > >>> > >>> -------------------------------------------------------------------- > >>> IETF IPv6 working group mailing list > >>> ipv6@ietf.org > >>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > >>> -------------------------------------------------------------------- > >> > >> -------------------------------------------------------------------- > >> IETF IPv6 working group mailing list > >> ipv6@ietf.org > >> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > >> -------------------------------------------------------------------- > >> > > > > > > > > -------------------------------------------------------------------- > > IETF IPv6 working group mailing list > > ipv6@ietf.org > > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > > -------------------------------------------------------------------- > > >
- [v6ops] Fwd: New Version Notification for draft-n… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Fred Baker
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Fred Baker
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Fred Baker
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Fred Baker
- Re: [v6ops] New Version Notification for draft-na… Ted Lemon
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Peter Hessler
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Gert Doering
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Ole Troan
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Michael Richardson
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Bernie Volz (volz)
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Fernando Gont
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Alexandre Petrescu
- Re: [v6ops] New Version Notification for draft-na… Templin (US), Fred L
- Re: [v6ops] New Version Notification for draft-na… Mikael Abrahamsson
- Re: [v6ops] New Version Notification for draft-na… Mark Smith
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli
- Re: [v6ops] New Version Notification for draft-na… Brian E Carpenter
- Re: [v6ops] New Version Notification for draft-na… Naveen Kottapalli