[arin-ppml] Proposal - Remove Initial Small Assignment Requirements for IPv6

JORDI PALET MARTINEZ jordi.palet at consulintel.es
Mon Sep 13 16:28:42 EDT 2021


Renumbering is possible, but you are missing in your list implications such as renumbering the DNS and making sure that the servers work with the old and the new addresses for some hours, interruptions in live session, etc., etc.

 

Regards,

Jordi

@jordipalet

 

 

 

El 13/9/21 19:44, "ARIN-PPML en nombre de Owen DeLong via ARIN-PPML" <arin-ppml-bounces at arin.net en nombre de arin-ppml at arin.net> escribió:

 

I disagree…

 

Renumbering a wisely deployed network in IPv6 is _MUCH_ less overhead and much much easier (and faster) in IPv6 than it was in IPv4, even on large-ish scales.

 

There’s on PA-ISP lockin in IPv6 unless you build your network stupidly.

 

If you use DHCPv6 or SLAAC to assign addresses to the majority of your systems and static address your servers only, renumbering is relatively quick and

not particularly painful.

 

                1.            Connect the new ISP and add the new ranges to the routers.

                2.            Add the new address range(s) to the servers.

                3.            Change your SLAAC RAs and DHCP servers over to announcing the new addresses

                4.            Wait until the old addresses are deprecated off the interfaces of all the clients.

                5.            Remove the old address range(s) from the servers.

                6.            Remove the old address ranges from the routers.

                7.            Disconnect the old ISP

 

Personally, if I were running an SMB IT department, I’d much rather face the above 7 steps for each ISP changeover than the joys of ULA+NPTv6.

 

OTOH, I’d probably just multi home in most cases, in which case, RIR /48 here I come, easy peasy, current policy.

 

Owen



On Sep 13, 2021, at 09:38 , Larry R. Dockery <lrdocker at co.douglas.or.us> wrote:

 

Aside from it making ULA+NTPv6 a smart move, perhaps even best practice for the majority of businesses to adopt rather than allow PA-ISP lock-in, no.

 

With the mentioned routing issue not being sustainable however, my proposal is likely DOA.

 

Thank you.

 

From: Owen DeLong <owen at delong.com> 
Sent: Monday, September 13, 2021 9:00 AM
To: Larry R. Dockery <lrdocker at co.douglas.or.us>
Cc: arin-ppml at arin.net
Subject: Re: [arin-ppml] Proposal - Remove Initial Small Assignment Requirements for IPv6

 

Is there a reason that you think the majority of small businesses that are not going to multi home should

receive PI addresses rather than use PA?

 

I’m neither in favor nor opposed at this time, but the answer to the above question is pivotal to whether

this proposal serves an actual need or merely panders to the idea of PI for everybody, which until we

change our routing technology to separate locators from identifiers isn’t sustainable.

 

Owen

 




On Sep 13, 2021, at 07:51 , Larry R. Dockery <lrdocker at co.douglas.or.us> wrote:

 

https://www.arin.net/participate/policy/proposals/2021/ARIN_prop_301_orig/

 

I would like to hear community feedback on this proposal. Thank you.

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