[Opensim-dev] OSGrid <-> UCIGrid

James Stallings II james.stallings at gmail.com
Thu Oct 30 21:32:22 UTC 2008


Word, Stephan :D

On Thu, Oct 30, 2008 at 4:22 PM, Stefan Andersson <stefan at tribalmedia.se>wrote:

> I've been meaning to write a post for a very long time now. It's in my
> draft folder. Just not getting it finished.
>
> First Step:
> Just wanted you all to consider what would happen if we, on
> ExpectAvatar sent some aux info like 'home user server url', 'home asset
> server url' and 'home inventory server url' to be attached to the
> ScenePresence, and had all communications interactions use those provided
> urls.
>
> What I'm saying is, that the region could accept any avatar in the form of
> an authenticated and authorized UUID only, so - "grid" would become
> meaningless and "intergrid" becomes a moot issue - all regions would always
> expect all clients to come from all different user/asset/inventory servers.
> The authorization aspect of the "grid" would then be a question of service
> trust, regions clustered under one governing entity implementing its own
> trust schemes. One basic trust scheme would probably be https.
>
> Next Step:
> Consider then, if you will, if the "home" configuration would simply be a
> function of a login to your own "home" login server, or simply as a function
> of a modified viewer, hence the viewer would send preffered service url's on
> login.
>
> Hey Presto, 3D Web for real. It's not that far away, even given the current
> architecture.
>
> Best regards,
> Stefan Andersson
> Tribal Media AB
>
> Join the 3d web revolution : http://tribalnet.se/
>
>
>
>
> ------------------------------
>
> > Date: Thu, 30 Oct 2008 18:34:21 +0000
> > From: jjustincc at googlemail.com
> > To: opensim-dev at lists.berlios.de
> > Subject: Re: [Opensim-dev] OSGrid <-> UCIGrid
> >
> > Cristina Videira Lopes wrote:
> > > Justin Clark-Casey wrote:
> > >> Strong -1 on committing this code directly to core at this stage.
> > >>
> > >> Charles, I strongly believe it would be better for us to see this
> mature a little as an external module first, rather
> > >> than committing code directly to core. Please could we hold off at
> least until the code has reached some level of
> > >> maturity, at which point we can have a discussion about what we want
> to do.
> > >>
> > > +1 on Justin's -1 :-)
> > > There's no way I would propose the code as is today for a core patch;
> > > there's a lot stuff that is still loose.
> > > But I hope people will want the hypergrid model enough that the
> > > extensions will be delivered on the same "package" as the core, soon.
> > > And I hope there are volunteers from the core developers to help bring
> > > this up to speed!
> >
> > Cool, thanks Cristina, glad to know that we're on the same wavelength :)
> >
> > I'm sure there will be interest from core developers - there has been
> occasional conversation about looking at
> > alternative ways of doing things. But again, kudos for actually doing
> something - rough running code is always better
> > than talk :)
> >
> > I'm quite keen myself but unfortunately more prosaic OpenSim server bugs
> keep hitting me in the face in such a way that
> > I need to fix them for one reason or another.
> >
> > >
> > >> There is also an argument that such modules should eventually be
> outside the core anyway. The OGP modules we have are
> > >> in there because our region infrastructure module isn't advanced
> enough to make it easy to host these outside of core.
> > >> This is something we should address (either having some protocol
> modules in or having them all out).
> > >>
> > > +1 on that too. The hypergrid extension would be even simpler than what
>
> > > already is if only I could define externally what the comm module is. I
>
> > > suspect OGP suffers from the same problem.
> > >
> > >> That's not to say that this isn't very interesting work, Cristina.
> Does the code fit into the module structure?
> > >>
> > > Yes. As I said, the only weirdness comes because I can't spec the comms
>
> > > module. If you change that, it will be a charm (modulo some visibility
> > > changes here and there).
> >
> > Yep, apologies for not reading your previous e-mail carefully enough.
> When I get a chance, I'll see if I can look at
> > your code and change the structure such that things are easier in this
> respect (unless someone else does it first). Of
> > course, a patch to do such a thing is one that would be very welcome and
> quickly applied too.
> >
> > >> I had thoughts along similar lines for distributed grids.
> > >>
> > >>
> http://justincc.wordpress.com/2008/08/15/could-there-be-a-future-without-big-grids/
> > >>
> > >> but I never actually implemented anything = so fair do's to Cristina.
> Also, my thoughts were to conduct everything
> > >> client side.
> > >>
> > >> The problem does some with asset and inventory and routing this
> information around. My thinking was that it would be
> > >> better if the client fetch this information directly rather than via
> the sim, but this would require extensive (and
> > >> probably difficult) client changes.
> > >>
> > > A smarter client would make a lot of things a lot easier...
> >
> > God yes. Sometimes I think the fact that it is GPL'd has been a blessing
> in disguise - it allows us to implement a lot
> > of OpenSim without accompanying time spent thinking about the client. But
> it seems that things are getting to the stage
> > where the restrictions are as painful as they are beneficial.
> >
> > >
> > > _______________________________________________
> > > Opensim-dev mailing list
> > > Opensim-dev at lists.berlios.de
> > > https://lists.berlios.de/mailman/listinfo/opensim-dev
> > >
> >
> >
> > --
> > justincc
> > Justin Clark-Casey
> > http://justincc.wordpress.com
> > _______________________________________________
> > Opensim-dev mailing list
> > Opensim-dev at lists.berlios.de
> > https://lists.berlios.de/mailman/listinfo/opensim-dev
>
>
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>


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