[arin-ppml] Draft Policy ARIN-2019-4: Allow Inter-regional IPv6 Resource Transfers

hostmaster at uneedus.com hostmaster at uneedus.com
Tue Mar 26 18:23:17 EDT 2019

I am opposed.

IPv6 policies have been designed from the beginning to limit the growth of 
the global routing tables. Policies such as sparse assignment help with 
this goal, as well as the development of means to renumber with relative 
ease, compared to IPv4.  This is because more than one upstream can be 
advertised at the same time and in the same network.  A RFC compliant host 
will by default assign addresses in each subnet that it hears router 
advertisements and spread its outgoing traffic between the available 
upstream routers.  Unlike IPv4, we are nowhere near exhaust, and there is 
no need to get into the legacy transfer issue with IPv6.  I would perfer 
to allow each IPv6 block assigned to a RIR to remain 100% under the 
control of that RIR. If transfers are possible, this fact alone can be 
used to defeat the trust anchor.

It is unclear to me what the trust anchor problem actually is, and why it 
needs to lead to the explosion of the IPv6 DFZ because of transfers.  If 
there is an issue of ARIN policy regarding trust anchors compared to other 
RIR's, this policy should instead be addressed instead of allowing 
transfers as a work around to a bad ARIN policy.

Ideally, IPv6 blocks should be obtained from the upstream ISP/LIR and they 
should be routed to the default route, with only one route per ISP/LIR. 
Since the "normal" site assignment is a /48, unlike IPv4, there is no 
shortage of address space for any use without involvement of ARIN or other 
RIR.  If one needs to be multihomed, each host can have an address from 
each available upstream, providing availability to each host from more 
than one network.

Albert Erdmann
Network Administrator
Paradise On Line Inc.

On Tue, 26 Mar 2019, ARIN wrote:

> On 21 March 2019, the ARIN Advisory Council (AC) accepted "ARIN-prop-263: 
> Allow Inter-regional IPv6 Resource Transfers" as a Draft Policy.
> The Draft Policy text is below and can be found at:
> https://www.arin.net/participate/policy/drafts/2019_4/
> You are encouraged to discuss all Draft Policies on PPML. The AC will 
> evaluate the discussion in order to assess the conformance of this draft 
> policy with ARIN's Principles of Internet number resource policy as stated in 
> the Policy Development Process (PDP). Specifically, these principles are:
> * Enabling Fair and Impartial Number Resource Administration
> * Technically Sound
> * Supported by the Community
> The PDP can be found at:
> https://www.arin.net/participate/policy/pdp/
> Draft Policies and Proposals under discussion can be found at:
> https://www.arin.net/participate/policy/drafts/
> Regards,
> Sean Hopkins
> Policy Analyst
> American Registry for Internet Numbers (ARIN)
> Draft Policy ARIN-2019-4: Allow Inter-regional IPv6 Resource Transfers
> Problem Statement:
> There is an operational need to allow RIR transfers of IPv6 resources between 
> RIRs with an equivalent transfer policy. ARIN’s RPKI Trust Anchor (TA) is 
> measurably less widely deployed than TAs from other RIRs. As a consequence, 
> RPKI ROAs published through ARIN offer less value. Operators seeking to 
> extract the most value from their investment in IPv6 would benefit from the 
> ability to transfer IPv6 resources to RIRs with more widely deployed RPKI 
> Trust Anchors.
> Policy Statement:
> Change the first sentence in section 8.4 from:
> “Inter-regional transfers of IPv4 number resources and ASNs may take place 
> only via RIRs who agree to the transfer and share reciprocal, compatible 
> needs-based policies.”
> To:
> “Inter-regional transfers of Internet number resources may take place only 
> via RIRs who agree to the transfer and share reciprocal, compatible 
> needs-based policies.”
> Comments:
> Timetable for implementation: Immediate
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