[opensource-dev] Requesting Linden Response: Please move TPVP Topics to a different mailing list

[Erik Anderson]

Hey, if you're looking for a review of message queueing agents, I ran across
an SL review of MQs a while back when trying to choose one for our company's
back end COMET server.  It had value in my research and may have for someone
trying to come up with chat alternatives...

http://wiki.secondlife.com/wiki/Message_Queue_Evaluation_Notes


On Fri, Apr 16, 2010 at 9:20 AM, Dale Glass <dale at daleglass.net> wrote:

> On Thu, Apr 15, 2010 at 04:09:19PM +0200, Lance Corrimal wrote:
> > - 48 hours after the server code is out in the open, the 25 groups limit
> has
> > been lifted, AND the whole IM/group chat subsystem has been migrated to
> XMPP
> > (including voice via XMPP); another day and there's the possibility to
> connect
> > to jabber.sl.net with any xmpp client, AND talk to friends at any jabber
> > service.
> Very likely, but it doesn't necessarily work for SL.
>
> IIRC, the main issue with the group limit and IM is scaling. There can be
> 70K
> people online. Suppose you bump the groups limit to 100, and those 70K
> people
> end up belonging to 50 groups on average. Now you've double IM load, and if
> you remember the days where most group chat sessions failed, it's probably
> a
> quite heavy loaded system.
>
> Jabber would have the same issue: how to handle 70K people, many with
> multiple
> conversations and conferences. A small jabber server is easy, but
> supporting
> 70K logged in accounts is a serious undertaking.
>
> Of course none of this would be an issue for a third party grid with 50
> concurrent users.
>
> >
> > - 72 hours after the server code is out in the open, SVC-472 is fixed
> Region crossing is complicated in SL. OpenSim doesn't seem to do a lot
> better.
>
> If you'd be willing to improve it there, I'm sure many people would love
> it.
>
>
> But I agree, cool things could happen as a result :-)
>
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