[Standards] Whiteboard XEP, Gajim and GSoC2008

Boyd Fletcher boyd.fletcher at je.jfcom.mil
Mon Mar 10 19:30:19 UTC 2008

Due to what seems to me an ever increasing amount of issues and complexity
in SXDE, I think we should move ahead on a whiteboard specification without

We are affecting the potential growth and interoperability of XMPP by not
specifying a whiteboard standard. There are already multiple incompatible
XMPP whiteboarding standards and several more a rumored to be in the works.

We have spent the last 2.5 years discussing this with very little, at the
greater community level, to show for it.


On 3/9/08 2:03 PM, "Peter Saint-Andre" <stpeter at stpeter.im> wrote:

> Dave Cridland wrote:
>> On Fri Mar  7 03:58:37 2008, Joonas Govenius wrote:
>>> 2. You are concerned about optimizing reconnects by taking advantage
>>> of the state that the client already has. I gave this some thought and
>>> there's actually no reason why SXE couldn't do basically the same
>>> thing as your protocol:
>> Of course, Boyd's mentioned this, too, as well as the related case where
>> a presentation using whiteboarding spans a day or two, and the next
>> morning, the presenter has updated the document.
>> This is a particular case of resynchronization, because the assumption
>> here is that there's a significant chunk of events that may need shipping.
>> SXE appears, to my eyes anyway, to be particularly inefficient at
>> transmitting large changes, and I suspect that this may be at the core
>> of Boyd and Fabio's concerns.
> At some point, shared editing / xml synchronization shades over into
> file transfer. I don't know exactly where the transition point lies, but
> it seems to me that it might be difficult to design a technology that
> will be good at both small-change synchronization and large-change update.
> Peter

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