[Opensim-dev] Idea for 100% smooth region crossing

[Lc]

i used to write the "soft handover like" wiki for a "better sim crossing"
but the wiki page is gone.


On Fri, Dec 19, 2008 at 3:10 AM, Paul Fishwick <fishwick at cise.ufl.edu>wrote:

> Just speaking from analogy, it sounds roughly equivalent to a soft
> handoff between cells:
>
> http://www.leapforum.org/published/internetworkMobility/split/node34.html
>
> Makes sense to me. Not sure what the development issues are..-
> p
>
> Mircea Filipescu wrote:
> > I brought this up on IRC less then an hour ago but felt this is more
> > of a discussion for the mailing list. For a few months I have been
> > curious about a certain question: What if 100% smooth border crossing
> > between regions could be simulated by allowing the region you come
> > from still manage your avatar until the region you go to has grabbed you?
> >
> > Currently, when an avatar crosses borders from a region to another, it
> > is left flying to infinity for 1-10 seconds as the region the avatar
> > was in lets go of it until the region the avatar is crossing to grabs
> > it and runs it again. My curiosity is if that time could be completely
> > cut away by having the region the avatar comes from still manage the
> > movement of that avatar once it crosses borders, until the target
> > simulator has grabbed the avatar and only let go of it once that
> > avatar is connected in its neighbor. The avatar would be basically
> > projected out of simulator bounds (into the neighbor's bounds) by the
> > sim it crosses from until the sim it crosses to has it connected
> > there. If such would be doable the avatar would not be 'let go of' for
> > any moment during border crossing, and that way one could cross from a
> > sim to another without experiencing any kind of delay.
> >
> > Shortly said, what I'm suggesting is that when you cross to a new sim
> > the sim you are in does not disconnect you the moment you crossed out
> > of its bounds, but instead disconnect you the moment the sim you are
> > crossing to has gotten you and is running the avatar in its instance.
> > This would be especially useful when vehicles will be implemented, as
> > border crossing delay has bigger impact with them. Also it would
> > highly reduce disconnects between failed border crossing, since the
> > sim you come from would not let go of you until the new sim has you in
> > it, so unless the sim thinks you were passed through when you weren't
> > there's no way to crash. What are your thoughts on this? Would such a
> > thing be possible and doable?
> >
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>
> --
> Paul Fishwick, PhD
> Professor and Director, Digital Arts and Sciences Programs
> University of Florida
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