Re: [art] Against BCP 190

[Leif Johansson <[e-mail]>]

On 2019-07-23 20:48, Adam Roach wrote:
> On 7/23/19 12:06, Leif Johansson wrote:
>>
>> On 2019-07-23 17:46, Adam Roach wrote:
>>> On 7/23/19 11:28, Leif Johansson wrote:
>>>> I am having trouble articulating the sense of unease I am feeling
>>>> over this issue...
>>>>
>>>> The best I can muster right now is this: Reading section 2.3 of BCP190
>>>> I see nothing whatsoever that speaks to the interoperability concerns
>>>> that motivate the normative language in that (or for that matter any
>>>> other) section of BCP190.
>>>
>>> The purpose of BCP 190 has never been to provide advantages to protocol
>>> designers. That is, in fact, the opposite of its purpose. The purpose of
>>> BCP 190 is to provide protections to the URI namespace and the people
>>> who own its governance (e.g., domain owners) against protocol designers.
>>> It's effectively a restatement of the well-understood principle of
>>> "don't squat on protocol codepoints," but spelled out in terms of URIs.
>>>  From that perspective, it is always going to be vaguely adversarial to
>>> protocol developers, in the same way that IANA registration policies
>>> more strict than "First Come First Served" are: its job is to protect a
>>> common resource against having parts of the URI namespace carved off for
>>> the exclusive use of one protocol or another.
>> In that case maybe this is just a matter of qualifying section 2.3 with
>> something along the lines of "this does not apply if your entire domain
>> is meant to do just one thing"
> 
> 
> You're not the only person to suggest that, and maybe it's worth
> considering.
> 
> However.
> 
> As I've mentioned up-thread, the TRANS conversation has indicated that
> these origins are *not* single-purpose, so this proposal is somewhat
> unrelated.

I think you may be confusing multi-tentant TRANS with multi-purpose

Using a domain *only* for TRANS but with multiple tenants does not
suggest the same restrictions on the management of the URI namespace
for that domain.

	Cheers Leif