Re: [MMUSIC] Data channel dcsa attribute usage and IANA

[Paul Kyzivat <[e-mail]>]

On 8/29/19 10:20 AM, Christer Holmberg wrote:
> Hi,
> 
>>> I think that dcsa(subprotocol) would have been enough, at least based on
>>> channel-sdpneg document, maybe Paul can help
>>     
>>     I'm sorry that this is coming up so late. In retrospect I think it
>>     deserved more discussion about how this is to work. IIRC this got tucked
>>     in quite some time ago, early in the definition of dcsa.
>>     
>>     I don't recall why both forms are shown. I don't know what "dcsa" alone
>>     would mean. The guess it could be a wildcard meaning that it can be used
>>     with all subprotocols. But that doesn't make any sense to me.
>    
> I was also first thinking whether dcsa without subprotocol it was some kind of "wildcard", but there is no such thing defined in data-channel-sdpneg: each subprotocol will have to define register its usage of attributes inside dcsa.
> 
>>     So I'm inclined to only use the "dcsa(subprotocol)" form. Perhaps we
>>     should file an errata against rfc4566bis as soon as it becomes an RFC.
>    
> Isn't this a fix that the RFC Editor can be requested to do? There is no reason to bring the draft back to the WG etc.
> 
> After all, this is not a technical change, only an administrative.

Yes, I think so.

I was just now reviewing IANA changes for 4566bis, and asked them to 
change "dcsa, dcsa(setup)" to "dcsa(setup)".

	Thanks,
	Paul