[Opensim-dev] Region Crossing State

[Diva Canto]

I don't think security has been holding this up. Security is an issue in 
OSGrid, only, but there are ways of mitigating it. The major hold up is 
that it's not trivial to do the handover of these objects, and no one 
with enough technical skills to do it has had enough motivation to do it 
in core. I tend do to this kind of stuff (moving things around servers), 
but, as you can see below, I don't have any motivation to do it, because 
I believe that border crossings SL-style are an inferior solution to the 
problem of moving vehicles within large areas. Instead of following that 
solution, I invested my time in figuring out how to do co-simulation in 
order to avoid borders in the first place.

This is my perspective on the issue. I can't speak for others.

On 6/16/2014 9:45 AM, Frank Nichols wrote:
> Thank you - the comments are very interesting and while I was aware of 
> the security concerns, I didn't realise that was a big part of the 
> hold up. I assumed security issues would be the equivalent of walking 
> across a border.
>
>
> On Mon, Jun 16, 2014 at 12:25 PM, Diva Canto <diva at metaverseink.com 
> <mailto:diva at metaverseink.com>> wrote:
>
>     I'm sure vehicle border crossings are important for some situations.
>
>     For me, they got a lot less important now that OpenSim supports
>     variable-sized regions. There are also alternatives
>     (co-simulation) to moving vehicles along very large areas that are
>     able to avoid crossing borders altogether, therefore avoiding the
>     "bumps" on borders and the extra load that moving vehicles and
>     crossing borders entail. These 2 things (varregions and
>     co-simulation) don't exist in SL, but they're superior in some
>     respects, because they avoid crossing borders altogether; it's
>     much smoother, keeps the load down, and avoids running into
>     security issues.
>
>     Here's a video showing a large-scale traffic co-simulation:
>     https://www.youtube.com/watch?v=291yE_9eefU#t=4m02s
>     Co-simulation means that one simulator has part of the objects, in
>     this case the vehicles, and the other simulators have the rest of
>     the scene objects. The vehicles never cross borders, even though
>     they move along very large distances (in this case, 3km x 1.5km).
>     I talked about how to do this at OSCC'13.
>
>     This is not to say that I don't support adding proper vehicle
>     border crossing support to OpenSim, if someone cares to do it. +1!
>     But I would never trade the borderless way of moving vehicles for
>     the SL's way of moving vehicles, so vehicle border crossings has
>     been very low priority for me, personally. One of the perks of
>     reimplementing the server-side is that we can do things that can't
>     be done in SL!
>

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