Re: For whom is IPv6? [was: Happy St Nicholas Day: Re-Launching the IPv6 ULA registry]

[Fernando Gont <[e-mail]>]

On 10/12/20 22:06, Brian E Carpenter wrote:
> On 11-Dec-20 09:36, Michael Richardson wrote:
>>
>> Brian E Carpenter <[e-mail]> wrote:
>>      > I think David has it right. The confusing aspect of Nico's argument, to
>>      > me, is that ULAs can never be of any use for wider connectivity outside
>>      > the organisation that "owns" the ULA prefix, *by the very definition of
>>      > ULAs*.  It doesn't matter in the slightest if "Hamburg" and "Berlin"
>>      > use (by pure chance) the same ULA prefix, because there is no
>>      > connection between both of them via various ISPs, and then *by
>>
>> That's not correct.  That's very much capital-Internet bias.
>> It's IPv4 scarcity think.  IP is for all sorts of uses that might not involve the *I*nternet.
> 
> Indeed, I was not thinking about address *scarcity* as an issue. I was
> trying to figure out how a CB-radio like group in "Hamburg", using ULA
> space, would connect to another similar group in "Berlin", using Nico's
> examples.

I guess they could be a large "overlay" network.


> Unless they're willing to lease their own line (like we did
> in the early days of the IPv4nternet), the only solution would be to
> use an incumbent ISP, who certainly won't route ULAs without €€€.

.... or tunneling.


>> There may be no connection via the *DFZ*.
>> You might never be able to reach these networks from NZ.
>>
>> That doesn't mean there is no connection.
>> It could be a hundred 100m 802.15.4 radios running on solar power.
> 
> Right, that's an entirely different situation and I hope it
> will be a frequent one. We have several /3s spare. Should we
> dedicate a /3 to that class of usage, and figure out (with IANA
> and the RIRs) how to make such prefixes available for admin
> cost only, or even self-service free of charge along the lines
> Nico suggested?

Just trying to understand myself:
Is the issue that the ULA space is deemed to be not large enough?

Or is the thing that they want GUAs that are free of the charges RIRs 
normally charge for them?

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: [e-mail]
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