[Standards] Presence Request

Kim Alvefur zash at zash.se
Mon Apr 11 11:37:59 UTC 2016

On 2016-04-09 12:16, Vaibhav Ranglani wrote:
> Is there a way where we can club presence requests in a single packet?
> Example I need to send presence subscribe requests to multiple users.
> a packet like
> <presence to="<jid1>,<jid2>,<jid3>" type="subscribe" />
> The server software implementing this could forward the requests to the
> individual clients. This could eventually save a lot of bandwidth as well.

Do you really send so many subscription requests so often that this is
where you want to optimize your bandwidth use?

I don't see how during normal IM use that you would add a large batch of
contacts more than one time (when you create the account), to justify
this kind of optimization.

Side note, XEP-33 isn't going to save you that much, something like 6
bytes per JID if you send 17 or more. But if you think that's worth the
added complexity, go for it.  And you need server support for it.

Kim "Zash" Alvefur

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