Re: [media-types] Review request for application/emergencyCallData.eCall.MSD+per

[Randall Gellens <[e-mail]>]

At 10:11 AM -0700 9/22/16, Randall Gellens wrote:

>  At 9:54 AM -0400 9/22/16, Mark Baker wrote:
>
>>   Sec 4.2 of RFC 6838 describes the role of the period in subtypes;
>>
>>   "Characters before first dot always specify a facet name"
>>
>>    -- https://tools.ietf.org/html/rfc6838#section-4.2
>>
>>   If you want to register in the standards tree, you'll need to do
>>   something like change the period to something else, e.g. hyphens.
>>   Alternately, you could just slap "vnd." on the front.
>
>  Oops.  I should have known this, but didn't.  I'm sorry.  The 
> problem in fixing this is that the current two drafts, which 
> register the three new subtypes, are adding on to RFC 7852 
> (https://tools.ietf.org/html/rfc7852), which registered the 
> following MIME types:
>
>  	application/EmergencyCallData.ProviderInfo+xml
>  	application/EmergencyCallData.ServiceInfo+xml
>  	application/EmergencyCallData.DeviceInfo+xml
>  	application/EmergencyCallData.SubscriberInfo+xml
>  	application/EmergencyCallData.Comment+xml
>
>  These have been registered by IANA (e.g., 
> https://www.iana.org/assignments/media-types/application/EmergencyCallData.ProviderInfo+xml), 
> are referenced in several NENA documents, and I belive there are 
> implementations.
>
>  We want the three new subtypes to follow the same pattern, which is 
> that 'EmergencyCallData' is a parent and the various subtypes are 
> children within that.
>
>  So, given this, how do we proceed?

I have a proposed solutions:

We treat "EmergencyCallData" as a parallel to a facet, since it 
serves an analogous purpose: it establishes a naming subspace that 
has a particular meaning.  Everything registered under 
Application/EmergencyCallData is for data sent with an emergency call 
and is eligible to be in the IANA Emergency Call Data Types registry. 
We can add text to one of the current two drafts to say so.  That 
draft might need to indicate that it updates Appendix A of RFC 6838 
to permit "EmergencyCallData." as a media subtype prefix, reserved 
for data sent during an emergency call.  We can say that this is not 
applicable in any other situation and is not a precedent.

-- 
Randall Gellens
Opinions are personal;    facts are suspect;    I speak for myself only
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