[Standards] Client Acknowledgement of Subscription State Change Notifications

Peter Saint-Andre stpeter at jabber.org
Wed Mar 21 22:59:29 UTC 2007


Ralph Meijer wrote:
> On Tue, 2007-03-06 at 13:50 +0100, Jacek Konieczny wrote:
>> On Sun, Mar 04, 2007 at 09:28:08PM +0000, Ian Paterson wrote:
>>> The acknowledgement of subscription requests is clearly necessary, but 
>>> can anyone please tell me why servers are permitted (but not encouraged) 
>>> to insist on acknowledgements for the other three notifications?
>> So no information is lost and the user will always be informed (if he
>> likes to) about subscription state changes.
> 
> It seems to me that no information is lost since the roster reflects the
> actual situation?
> 
> Like Ian, I have always found it weird that 'unsubscribed' and
> 'subscribed' have grown acks/denies in XMPP. I know that jabberd 2
> implements this 'feature' and it seriously messed up some clients so I
> had do disable it with a patch.

Yes, it's weird (and yes, I'm partly responsible for the weirdness). I 
think it would be good to take a hard look at these acks and figure out 
if we want to retain them in rfc3921bis.

Peter

-- 
Peter Saint-Andre
XMPP Standards Foundation
http://www.xmpp.org/xsf/people/stpeter.shtml

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