Ole Troan wrote:
> with regards to the PD discussion after Miyakawa-san's presentation.
> I've added some requirements, and based on that started with a
> comparison. I haven't read the router renumbering spec lately, so
> please fill me in on that one.
>
> Mechanisms
> ----------
> Router Renumbering RFC2894
> ICMP PD draft-haberman-ipngwg-auto-prefix-02.txt
> DHCP PD draft-troan-dhcpv6-opt-prefix-delegation-01.txt
> PPP/IPV6CP option -
> Proxy-RA/Multi-link subnet draft-ietf-ipv6-multilink-subnets-00.txt
> RA option draft-lutchann-ipv6-delegate-option-00.txt
>
> Requirements:
> draft-miyakawa-ipv6-prefix-delegation-requirement-00.txt
> -------------
> A. L2 independent
> B. Multi-access/Point to point
I'm glad to see interest in generalizing beyond just the point-to-point case.
I'd like to have a solution that allows the requesting router to be more
than one hop away from the prefix delegator. This would be useful for
deploying large scale networks. This isn't a requirement for the isp-home
scenario that needs a solution in the short term, but if the solution chosen
for that is useful for the large network deployment scenario, so much
the better.
>
> C. Support for Renumbering
> D. Any prefix length can be delegated
> E. Authentication
> F. Negotiation, i.e requestor has a say
> G. Other configuration options, e.g DNS, NTP with the same mechanism
> H. Accounting (I did not understand this requirement)
>
> | A | B | C | D | E | F | G | H |
> -----------------------------------------------------
> Router Renumbering| x | both| x | x | ? | - | - | |
> ICMP PD | x | both| x | x | ? | x | * | |
> DHCP PD | x | both| x | x | x | x | x | |
> PPP/IPV6CP option | - | p2p | - | x | x | ? | * | |
> Proxy-RA | x | p2p | x | - | - | - | * | |
> new RA option | x | p2p | x | x | - | - | * | |
> -----------------------------------------------------
>
> x - supported
> - - not supported
> * - could be supported, but perhaps not a good fit i.e DNS options in IPV6CP
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