<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:12pt"><div>OSGrid exists with two goals.<br><br>1. Test OpenSim SVN on a regular basis and report results to aid in software development.<br>2. Nurture a community.<br><br>We need to start by considering that OpenSim splits the asset storage between regions and the OpenSim assetServer. So, the OpenSim asset model is a little different then SecondLife since we already distribute some assets between regions and the UGAIM.<br><br>Are we saying that OSGrid is doing something problematic and pertubating the OpenSim development? I am confused about the OSGrid comments in this philosophical discussion. As I see the whole situation, OSGrid is testing the mainline trunk SVN from OpenSim in a manner consistent with the desires of the community.<br><br>Charles<br></div><div style="font-family: arial,helvetica,sans-serif;
font-size: 12pt;"><br><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;"><font size="2" face="Tahoma"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Justin Clark-Casey <jjustincc@googlemail.com><br><b><span style="font-weight: bold;">To:</span></b> opensim-dev@lists.berlios.de<br><b><span style="font-weight: bold;">Sent:</span></b> Wednesday, April 15, 2009 8:24:45 AM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [Opensim-dev] The essence of "grid"<br></font><br>
Diva Canto wrote:<br>> As I zoom in on issues of trust and security, I'm getting to the point <br>> where I need a sharp definition of "grid". What is a grid, besides being <br>> a map/lookup service and a user accounts service?<br>> <br>> a) nothing more than that<br>> b) a trust domain<br>> <br>> If we choose b) then we need to think about OSGrid-like grids. How can <br>> we trust that a collection of regions administered by different people <br>> will behave? Can OSGrid-like grids survive without ToS being signed <br>> between the grid operator and the region operators? What if the ToS is <br>> such that it delegates to the region admins any liability on bad things <br>> happening in their regions? -- that leaves the user with no central <br>> authority to complain, which is as good as not having a trust domain.<br>> <br>> If OSGrid-like grids (i.e. no contracts, or very loose ones; just a map <br>>
service) are to exist, then it's clear that b) doesn't hold in general. <br>> It means that there can be grids that are simply a collection of regions <br>> that come together in virtual space, but whose trustworthiness as a <br>> whole doesn't exist.<br>> <br>> The Hypergrid is specifically designed to cross trust boundaries. Should <br>> the OSGrid-like grids become HG-ed sims that share the same map, and let <br>> "grids" be, fully, trust domains?<br>> <br>> You may think I'm getting into philosophy, but this is critical for the <br>> technical work I'm doing right now related to authentication, <br>> server-side vs client-side authority, etc. If we can assume that a <br>> "grid" is a uniform trust domain with a central authority, things will <br>> be simpler in many ways. If not, things will be a bit more complicated.<br>> <br>> Thoughts?<br><br>I think that you could adopt b) without having a
philosophical problem with OSGrid. I would say that even the 'loose <br>contracts' on OSGrid are a form of trust. If someone were to abuse that trust then I be very surprised if they were not <br>removed from the grid.<br><br>If OSGrid wanted better security by not sharing the current central services then perhaps they could stipulate that new <br>regions had to connect by Hypergrid rather than the current model (once the various gaps in Hypergrid are ironed out)? <br>Then, in a sense, all the directly connected regions becomes a large Hypergrid node in the federation that makes up OSGrid.<br><br>> <br>> <br>> _______________________________________________<br>> Opensim-dev mailing list<br>> <a ymailto="mailto:Opensim-dev@lists.berlios.de" href="mailto:Opensim-dev@lists.berlios.de">Opensim-dev@lists.berlios.de</a><br>> <a href="https://lists.berlios.de/mailman/listinfo/opensim-dev"
target="_blank">https://lists.berlios.de/mailman/listinfo/opensim-dev</a><br>> <br><br><br>-- <br>justincc<br>Justin Clark-Casey<br><span><a target="_blank" href="http://justincc.wordpress.com">http://justincc.wordpress.com</a></span><br>_______________________________________________<br>Opensim-dev mailing list<br><a ymailto="mailto:Opensim-dev@lists.berlios.de" href="mailto:Opensim-dev@lists.berlios.de">Opensim-dev@lists.berlios.de</a><br><a href="https://lists.berlios.de/mailman/listinfo/opensim-dev" target="_blank">https://lists.berlios.de/mailman/listinfo/opensim-dev</a><br></div></div></div></body></html>