[Standards] XEP-0184: <received/> vs. <displayed/> vs. <read/>

Peter Saint-Andre stpeter at stpeter.im
Fri Jun 18 01:26:05 UTC 2010

On 6/17/10 7:45 AM, Yann Leboulanger wrote:
> On 06/17/2010 03:29 PM, Konstantin Kozlov wrote:
>> Kevin Smith wrote:
>>> On Wed, Jun 16, 2010 at 8:10 PM, Konstantin Kozlov <yagiza at yandex.ru>
>>> wrote:
>>>> Yes. Let's sort out what means "received", "displayed" and "read" to
>>>> decide which of them are needed and which are not.
>>> Yes.
>>> So:
>>> What's the use case for needing to know when the user's client has
>>> received the message?
>> If sender wants to be sure, that client on the other side received and
>> processed the message. So, the sender is sure that once the user on the
>> other side will pay attention to its client application, he'll be able
>> to read the message.
>> If delivery of all the previous messages were confirmed by the <received
>> /> reply and THIS one was not, the sender may assume, that the message
>> was lost somehow and may try to resend it (if he wants).
> This helps knowing which messages are lost in cases of brutal
> disconnection, decrypt failure, ...

That's how I see it.


Peter Saint-Andre

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