[Standards-JIG] defering roster subscription

Ralph Meijer jabber.org at ralphm.ik.nu
Mon Nov 6 15:57:29 UTC 2006


On Mon, 2006-11-06 at 19:20 +0530, Mridul wrote:
> Hi,
> 
>   3920 section 6.2 states that :
> "
> When a client receives a subscription request from another entity, it 
> MUST either approve the request by sending a presence stanza of type 
> "subscribed" or refuse the request by sending a presence stanza of type 
> "unsubscribed".
> "
> 
> If the client so requires, is there some way to defer this subscription 
> request for later ? The server will re-deliver the subscription at a 
> later point of time if it is deferred.
> As things stand - a user can find out the available/unavailable status 
> of another user simply by sending a subscription request and seeing if 
> he gets a response within reasonable time cos of the MUST respond clause.

Since this uses the <presence/> stanzas, you can simply not send a
response. RFC 3921bis changed the MUST into SHOULD for this reason, and
is widely implemented as such.

-- 
Groetjes,

ralphm




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