Hi Michel,

We are simply documenting existing APNIC policy in this draft.

Having a large block to help document multihoming examples makes sense, but I don't see anything wrong with the example you say is a problem. Yes, operationally it might be a bit odd, but for documentation? Would there be confusion in the minds of people who are reading the documentation? I've used various parts of 220/8 address space for my IPv4 multihoming examples (because there is no such prefix in IPv4), and no one has ever complained about me taking a /20 (the RIR minimum allocation) and splitting into lots of pieces to demonstrate multihoming. But that's my experience...

Anyway, if folks think that a larger address block should be proposed for documentation, let us know what the number should be and why it should be so, and I will be more than happy to propose it to the next APNIC Open Policy Meeting as an amendment to the existing policy.

philip
--

At 20:29 27/02/2003 -0800, Michel Py wrote:
> A New Internet-Draft is available from the on-line
> Internet-Drafts directories.
> Title     : IPv6 Documentation Address
> Author(s) : G. Huston, A. Lord, P. Smith
> Filename  : draft-huston-ipv6-documentation-prefix-00.txt

This text is a good beginning, but as I mentioned earlier a single /32
is not enough to document multihoming scenarios.

A site receives connectivity from 3 LIRs; the site is assigned three
/48s.
It would be confusing to make these three /48 part of the same /32 as
lots of people would assume that a LIR gets a /32 as it is current
policy.

Example:
Prefix assigned by LIR 1: 2001:0DB8:1234::/48
Prefix assigned by LIR 2: 2001:0DB8:5678::/48
Prefix assigned by LIR 3: 2001:0DB8:ABCD::/48
Something does not register here, as people might assume that LIRs 1,2
and 3 are tier-2 or -3 LIRs that all get transit from a bigger tier-1
LIR that has been allocated 2001:0DB8::/32 (which defeats half of the
reasons to multihome).

The purpose of the documentation prefix is double:
1. Avoid using addresses that could be assigned to a site.
2. Avoid using things such as:
Prefix assigned by LIR 1: 2001:x:y::/48
Prefix assigned by LIR 2: 2001:a:b::/48
Prefix assigned by LIR 3: 2001:c:d::/48

Editorial: including the email addresses of the authors in the text
would not hurt anyone.

Michel.

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