[sldev] Re: [ARCH] Raw notes from the Second Life Grid Architecture Working Group.

[Tao Takashi]

2007/9/15, Argent Stonecutter <secret.argent at gmail.com>:
>
> What is the motivation for splitting the regions up that way,
> particularly if a region host being down means that region is not
> accessible. I would have thought that the whole point to moving the
> region data from the region hosts to a back end would be to make the
> region hosts fungible.



As noted there is a workitem about thinking about different ways to split
the system up.
My guess is also that much of the existing simulator code can be reused that
way.

If you think about the region host as just some interface though you might
have as much
redundancy behind that interface as you like. So in fact it might be
possible to split up a
region completely different behind that.

I also wonder how flexible a region implementation can be. Like if you want
to create
something like EVE Online with it you might have a solar system as a region
with
assets like space sations, planets etc. Avatars are mostly other space
ships.

A completely different viewer might be needed for that and thus there needs
also some ways of specifying what the viewer needs to be capable of.

Regarding region domains I actually think it's a good idea though. That way
you can
simply add your own regions to an existing grid and not central servers are
needed.
(except identity, topology etc. but these might also not be that central in
fact but per
region domain or per agent domain).

I hope though that Linden Lab will add more about the motivation in the
wiki.
(like use cases :-) )

-- Tao


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