We can do that, when we need it. To get the draft out of the door, I'll do what
was previously suggested:
> Proposal: Note in the text that the current values are taken from the
> existing Protocol Numbers registry. Also note that if values are required
> in future that are not in that registry, a new registry for values >255
> will be created. So IANA doesn't have to do anything now.
Brian
On 31/05/2017 18:56, Carsten Bormann wrote:
> Ah. 3.9.5.1 currently does not have a “.within” clause giving an expectation
> as to how the type "transport-proto” is going to grow as the protocol
> evolves. Foolishly, my brain inserted “uint” as the most obvious envelope
> type.
>
> Allowing negative values for transport-proto certainly would be possible.
> As a design pattern, I try to reserve broad ranges like this for the
> indication of differences that a receiver can act upon without understanding
> the details, such as the difference between base attributes and other
> attributes in SenML.
>
> So I still would favor sticking with uint for now and carving out a range of
> that for experimental.
>
> Grüße, Carsten
>
>
>> On May 30, 2017, at 22:53, Michael Richardson <[email protected]> wrote:
>>
>>
>> Carsten Bormann <[email protected]> wrote:
>>> If we ever add not-over-IP “transports”, there might be a need for
>>> experiments before we go registering. So I would probably identify a
>>> range of numbers that are strictly reserved for use in experiments.
>>> (This needn’t be very small; say, 65280 to 65535.)
>>
>> -1 to -32!
>>
>> --
>> Michael Richardson <[email protected]>, Sandelman Software Works
>> -= IPv6 IoT consulting =-
>>
>>
>>
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