[Standards] IQ Pubsub again (was Re: Fwd: Meeting minutes 2010-02-15)
melo at simplicidade.org
Fri Feb 19 08:04:05 UTC 2010
On Fri, Feb 19, 2010 at 6:34 AM, Joe Hildebrand
<joe.hildebrand at webex.com> wrote:
> On 2/18/10 8:44 PM, "Peter Saint-Andre" <stpeter at stpeter.im> wrote:
>>>> * To have "acks" without implement XEP-0184 Message Receipts or similar
>>> What do you do if you don't receive the ack? Resend?
>> IQs MUST be acked or errored according RFC 3920. Bad client, bad!
>> Now the ack or error might be lost. Again, there are no guarantees here.
>> But it's more likely that the subscriber supports 3920 semantics for IQs
>> than that it supports XEP-0184.
> There are a myriad of ways the original IQ or the ack could get lost. My
> point is that the response does not serve any value to the sender, since I
> don't believe there is anything useful to be done when the sender does not
> receive the ack. Resending is almost always going to be wrong.
Why? I think the exact opposite is true. We have item ID's so we can
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