[Opensim-dev] Global identifiers

[Melanie]

Hi,

HG 1.5 doesn't address these concerns. Also, please remember that
assets need to be freely available to all, else they can't be
displayed. The observer gets a copy, too.

Animations, textures, sounds, etc. need to be given to all observers.

Melanie

Mike Dickson wrote:
> Right. I think some of the use cases related to how content is shared
> have been glossed over. In a completely open model which is what has
> been discussed this is all pretty straightforward.  But if I'm running
> an asset service (as part of a grid or separately) I might want to
> provide access controls as part of that service. The same with user
> services.  I may have a trust relationship with one agent service and
> allow content to be transferred to agents that service represents. But
> for another agent service for which no such relationship exists I'd like
> to deny access to content. And even in the transfer case does the new
> user get a new copy or a reference. That concept isn't supported now but
> in a distributed grid its an important distinction. I might wish to know
> that copies of objects rezzed in a simulator always come from a specific
> asset service.
> 
> In short I think how the security model works is way more important than
> a caching optimization being applied to a URI/URL.  Its important to
> understand what levels of trust between services are supported and under
> what conditions an access is supported.  As an Agent Service I may
> consider even the "Names" of my users to be confidential and only to be
> revealed to services for which a trust relationship exists.
> 
> Mike
> 
> On Tue, 2010-08-31 at 13:23 +0000, mysticaldemina at xrgrid.com wrote:
>> Hi,
>> 
>> As a content creator this concerns me.  I believe if I license my content to
>> an avatar, and then they go to another grid that any content pulled should
>> be from the grid that I have the content loaded into.  I think I should be
>> in control of my content.  I also think I should be able to block grids that
>> my content is being accessed from.  If you don't always maintain the
>> original content location there will be no control.  If I give someone a
>> copy of my content, then that is something else, they are now the owner of
>> it and are free to do as they please with it, at least within any license I
>> give them.  But that is a legal stuff not a technically programmed one.  At
>> least I don't expect all situations to be programmed.
>> 
>> Also when asset services start happening this will become more of an issue.
>> I will have XRMarketplace.com live soon and plan to start selling content
>> and provide that content as an asset server.  How will I maintain any kind
>> of control over the use of my content if people don't have to pull copies
>> from me?
>> 
>> I also think, and haven't seen in the new hypergrid, if someone goes to a
>> new grid I may not allow any of my content to go there unless that avatars
>> gets an authorization from me which should be attached to his proxy profile
>> for access into my grid/asset server.
>> 
>> The other thing to think about is how updates or corrections are propagated.
>> SL has a terrible system of only supporting copies so any updates or copies
>> have to be sent to everyone.  Seems content replacement needs to be
>> supported and if content is all over the place this will get even crazier.
>> Also to support dynamic content there needs to be a ways to refresh or
>> update content.  I suggest there needs to be an expiration date on the
>> content just like how images and HTML pages on the web work so that cached
>> content will know to pull a new copy.  And if the expiration date is 0, at
>> the time it was pulled, it will always get refreshed.
>> 
>> This is maybe should have its own discussion thread but seems to be part of
>> how this is all going to work.
>> 
>> M.
>> 
>> -----Original Message-----
>> From: opensim-dev-bounces at lists.berlios.de
>> [mailto:opensim-dev-bounces at lists.berlios.de] On Behalf Of Ai Austin
>> Sent: Tuesday, August 31, 2010 4:17 AM
>> To: opensim-dev at lists.berlios.de
>> Subject: Re: [Opensim-dev] Global identifiers
>> 
>> myticaldemina makes a lot of good points... one thing that could be 
>> problematic though relates to this comment...
>> 
>> >From: <mysticaldemina at xrgrid.com>
>> >...I would suggest any
>> >proxies would give the external system and identifier and not chain proxy
>> to
>> >proxy unless there is a reason to do it, and the assets should be copied
>> >from the original source.
>> 
>> 
>> I agree with the first half... no chains, just hand over the external 
>> system "authority" and its given identifier pair for the identity involved.
>> 
>> But I don't agree at all with the idea that you then have to get the 
>> asset from that original authority.  The permissions could have 
>> changed, corruptions could have occurred or much more likely the 
>> authority simply will no longer be there.  The asset "as is" (with 
>> its textures, scripted content and what not) should be provided to 
>> the destination location/grid if the object permissions allow it, 
>> with proper transfer of the permissions to next owner exactly as if 
>> an avatar to avatar transfer or rez in world took place on the local 
>> grid, without trying to reload the asset from an original source.
>> .
>> 
>> 
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