[address-policy-wg] suggestions from the list about IPv6 sub-assignment clarification

Hi all,

As you know, I've been working on different versions of a clarification to 2016-04 (https://www.ripe.net/participate/policies/proposals/2016-04).

This proposal allows a single IP to be sub-assigned, and the author explained (not just in the policy proposal text, but also in the justification and in different emails), that the case they have is to make sure that the policy allows it for:
1) Datacenter services.
2) Interconnections (VPN, PNI, p2p, etc.).
3) Guess visitors (employees, hotspot users, etc.).

The policy text doesn't mention those examples, but the summary talks about them:
"Intended use cases for IPv6 PI space in the spirit of this policy proposal are the use in (public) WIFI networks (like the WIFI at RIPE meetings), as transfer networks on PNIs or other PTP-links/VPNs to users or customers, or for housing/hosting for servers in data centres. The use of IPv6 PI space for DSL/cable/FFTH/etc. subscribers is explicitly not an intended use case for this policy proposal."

On the other side, the impact analysis indicates:
"It is the RIPE NCCs understanding that assignments as described above are dynamic in nature, either by varying the prefix or interface identifier (IID) over time. Any permanent and static assignments of a prefix would still be considered a sub-assignment as per clause 2.6, “Assign” of the IPv6 address allocation and assignment policy. Consequently the RIPE NCC will not provide IPv6 PI assignments for such deployment plans."

I don't think this is very clear, because
1) DC addresses usually are static.
2) Interconnections usually are static (p2p links at least).

On the other side, as explained in my previous versions, I think that it is a valid case (in a hotspot, DC, etc.), instead of providing a single address, provide a full prefix (for example /64), so the host can have Virtual Machines running on different addresses of the same prefix.

So, in my understanding we really need to clarify this text and for that, we need to decide what we want to be allowed and what not.

So my questions are:
1) Do we agree that only dynamic should be allowed, or static is also ok?
2) According to 1 above, should the DataCenter case be alllowed?

Thanks!

Regards,
Jordi
 
 



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