Re: [MMUSIC] WGLC: draft-ietf-mmusic-rfc2326bis-22

[Magnus Westerlund <magnus.westerlund at ericsson.com>]

HAAS Christian skrev:
> Hello!
> 
> From: Magnus Westerlund [mailto:magnus.westerlund at ericsson.com] 
>>> language-range    =  language-tag / "*"
>> Are you meaning Accept-Languages instead of Accept-Ranges here?
>>
>> In that case I do agree with you.
> 
> Yes, I mixed them up :)
> 
> 
>>> 1. Accept-Language:
>>> [...]
>> My interpretation of the text is that an empty header would mean
>> that no language is acceptable.
>>
>> Do you think this should be clarified in the text?
> 
> If no language is acceptable, how should the server form a response? As 16.4.
> notes, the language applies to the presentation description and reason
> phrases - What reason phrase to give if no language is acceptable?
> 
> Or is the loophole in here the part "[...] restricts the set of natural
> languages that are _preferred_ as a response to the request." (16.4) - Then I
> would interpret an empty Accept-Language header as if it was not sent (I, the
> requester, have no language preference - it is up to you, responder). In that
> case I'd disallow an empty header as not sending it has the same effect.
> Disallowing an empty header closes this corner-case and no description text
> must be modified.
> 

Yes, that is probably easiest.

> 
>>> 2. Allow:
>>> [...]
>> I agree that an Allow header that is empty are of no help. This
>> is clearly a corner-case. The question is how to resolve this
>> issue.
>>
>> We can disallow non-empty as it doesn't make sense. If you
>> have a request for a resource that no method is allow then I
>> would think it is a broken resource and thus another error message.
> 
> Yes. (Although I think you meant to write 'disallow empty' :)
> 

Yes!

Cheers

Magnus Westerlund

IETF Transport Area Director
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