Not Making Use of 240/4 NetBlock
owen at delong.com
Wed Mar 16 16:43:28 UTC 2022
> On Mar 15, 2022, at 19:23 , Mark Andrews <marka at isc.org> wrote:
>> On 16 Mar 2022, at 02:54, Owen DeLong via NANOG <nanog at nanog.org> wrote:
>> Having spent nearly 15 years on the ARIN Advisory Council, I think I’m able
>> to claim some detailed knowledge on the subject.
>> In general, the RIRs themselves maintain neutrality about such things, looking to their
>> respective communities for input on what to do. However, so long as the IETF and
>> has not designated the space Unicast Address Space to be delegated to the
>> RIRs for allocation/assignment, IANA will not delegate it to the RIRs and the RIRs
>> won’t, therefore, delegate it to users.
>> If you really want to see this happen (and I still argue that the amount of effort already wasted
>> discussing this idea vastly exceeds what would be needed towards IPv6 to get beyond
>> caring about it), then the first step must be to convince the IETF to designate the
>> space IPv4 Unicast and instruct the IANA to begin issuing those /8s to the RIRs.
>> Once that happens, the rest of the allocation process is basically automatic. From a policy
>> perspective at the RIR level, it will be no different than say 4/8 or 1/8.
> Actually it would be fundamentally different to 4/8 or 1/8. You are looking at firmware upgrades
> rather than dealing with squatters and out-of-date ACLs both of which are self-inflicted by one
> of the parties. Routers and end devices that don’t know how to hand 240/4 are no self inflicted
> injuries. Issuing 4/8 or 1/8 worked for parties that had been following the rules. With 240/4
> there where no rules to follow which results in RIR’s leasing known defective addresses.
I was speaking from an RIR allocation perspective, NOT talking about the technological hurdles
I was specifically responding to someone’s question about how the RIRs would be impacted by
this if it were to come to pass.
I addressed your concern in the following paragraph as an aside, however.
>> Now, convincing vendors to update their firmware, software, etc. is another matter
>> and entirely outside of the control of the RIRs. Merchant compliance with IETF standards
>> is generally considered useful, but it is entirely voluntary and even in the best of
>> circumstances doesn’t every happen instantaneously and almost always involves
>> some stumbles along the way.
>>> On Mar 15, 2022, at 02:54 , Sylvain Baya <abscoco at gmail.com> wrote:
>>> Dear NANOG-ers,
>>> Hope this email finds you in good health!
>>> Please see my comments below, inline...
>>> Le mardi 15 mars 2022, <bzs at theworld.com> a écrit :
>>> Hi Barry,
>>> Thanks for your email, brother!
>>> But the RIRs are the ones fielding requests for IPv4 space, and have
>>> some notion of how policy implementation might work in practice, so
>>> should have a lot of useful input.
>>> ...of course, it appears that RIRs have the opportunity
>>> to add their useful inputs, as Impact Analysis Report
>>> (IAR); during the Policy Development Process (PDP)
>>> initiated by the *appropriate*  Internet community.
>>> They explain it themselves here .
>>> : <https://tools.ietf.org/html/rfc7020>
>>> : <https://www.nro.net/accountability/rir-accountability/q-and-a/>
>>> On March 14, 2022 at 00:45 niels=nanog at bakker.net (Niels Bakker) wrote:
>>>> * bzs at theworld.com (bzs at theworld.com) [Mon 14 Mar 2022, 00:31 CET]:
>>>>> Personally I'd rather hear from the RIRs regarding the value or not
>>>>> of making more IPv4 space such as 240/4 available. They're on the
>>>>> front lines of this.
>>>> You've got your policy development process diagram upside down. The
>>>> community decides what the RIRs implement. They're not in touch with
>>>> merchant silicon manufacturers.
>>>> -- Niels.
>>> -Barry Shein
>>> Software Tool & Die | bzs at TheWorld.com | http://www.TheWorld.com
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> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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