Re: [Hipsec] Need to clarify HIT prefix

31.3.2011 22:37, Robert Moskowitz kirjoitti:
> WHAT is the prefix used in HIPv1 (RFC 5201)?
>
> RFC 4843 states:
>
> Prefix : A constant 28-bit-long bitstring value
> (2001:10::/28).
>
>
> But 4843-bis states:
>
> IANA allocated a temporary non-routable 28-bit prefix from the IPv6
> address space. By default, the prefix will be returned to IANA in
> 2014, continued use requiring IETF consensus. As per [RFC4773], the
> 28-bit prefix was drawn out of the IANA Special Purpose Address
> Block, namely 2001:0000::/23, in support of the experimental usage
> described in this document. IANA has updated the IPv6 Special
> Purpose Address Registry.
>
> There is NOTHING in the IANA registry about any assignment. But as I
> plowed through the iana assignment information, I found:
>
> http://www.iana.org/assignments/ipv6-unicast-address-assignments/ipv6-unicast-address-assignments.xml
>
>
> [9] 3FFE:831F::/32 was used for Teredo in some old but widely
> distributed networking stacks. This usage is deprecated in favour of
> 2001::/32,
> which was allocated for the purpose in [RFC4380]
>
> And sure enough in 4380:
>
> 2.6. Global Teredo IPv6 Service Prefix
>
> An IPv6 addressing prefix whose value is 2001:0000:/32.
>
>  From this I MIGHT infer that Teredo is stepping within HIP's ORCHID
> allocation!
>

There is something similar going on with RFC 3849. The Nit-checker 
complained the following:

"
     == There are 2 instances of lines with non-RFC3849-compliant IPv6 
addresses
        in the document.  If these are example addresses, they should be 
changed.
"

> Obviously this needs some clarification (at least for me!)
>
> AND
>
> IANA needs to put in the registry what HIPv1 is using, and then make
> sure that the HIPv2 prefix is publicized.
>
>
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