In your previous mail you wrote:
Mechanisms
----------
Router Renumbering RFC2894
ICMP PD draft-haberman-ipngwg-auto-prefix-02.txt
DHCP PD draft-troan-dhcpv6-opt-prefix-delegation-01.txt
=> I believe this is the DHCPv6 option, there is a DHCPv6 subset too
(no draft?). IMHO the subset is better because it should not give
the funny current situation where nobody wants to use DHCPv6 for
its main purpose, address allocation, but for PD, DNS discovery, etc.
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
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)
=> just think your are an ISP (accounting is the politically correct
word for billing).
| 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 | |
=> the x in E here seems too much (DHCPv6 is well known to provide
near no security (or please come with a security analysis of it).
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
=> I agree (DNS options in IPv6CP) but I'm afraid many disagree...
Regards
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