[Standards] dialback feature

Peter Saint-Andre stpeter at stpeter.im
Wed May 18 16:12:21 UTC 2011


On 5/18/11 10:08 AM, Matthew Wild wrote:
> On 18 May 2011 16:26, Peter Saint-Andre <stpeter at stpeter.im> wrote:
>> So here is what I proposed during the XMPP Council meeting:
>>
>> <stream:features>
>>  <dialback xmlns='urn:xmpp:features:dialback'/>
>> </stream:features>
>>
> 
> Smart idea. Unfortunately it has a slight issue - in that there are
> implementations in the wild that advertise with the stream feature but
> don't support errors (Prosody, for example).
> 
> If I could go and remove the feature from all the deployed instances
> right now I wouldn't hesitate, but obviously I can't...
> 
> This is a problem because Prosody also doesn't support "Multiplexing
> Target Domains" which says: "The Originating Server SHOULD NOT use
> Target Piggybacking unless the Receiving Server has signalled support
> for dialback error handling via <stream:features/> as described under
> Dialback with Error Handling.".
> 
> Therefore changing the spec as proposed would leave other
> implementations to the assumption that Prosody implements target
> piggybacking, which it does not.
> 
> I'm not sure what the best solution is yet, but I'll keep pondering.

<dialback xmlns='urn:xmpp:features:dialback'/>
<dialback xmlns='urn:xmpp:features:dialback:errors'/>
<dialback xmlns='urn:xmpp:features:dialback:muliplexing'/>
<dialback xmlns='urn:xmpp:features:dialback:piggybacking'/>

Etc.

Peter

-- 
Peter Saint-Andre
https://stpeter.im/



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