From: Rob S. <ro...@di...> - 2009-01-20 17:03:42
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Well, I could be optimistic about our chances, but I'll get back in touch with my contact and see where it leads. Rob On Tue, 2009-01-20 at 12:03 +0100, Fabien Chéreau wrote: > On Mon, Jan 19, 2009 at 6:04 PM, Rob Spearman > <ro...@di...> wrote: > > > > I guess I should amplify my comment: > > > > Us trying to host the DSS is a bad idea! > > > > I used to work with web hosting and one server will never cut it. So go > > with some donated hosting that already has the load balancing, > > redundancy, geographic dispersion, bandwidth, hardware, and dedicated > > administrators that we could never hope to match on our time and budget. > > > > I have a lead at a large non-controversial company that might be > > interested in hosting this for Stellarium, but I had to put any > > discussion on hold until the license got sorted out. Now that that is > > taken care of (?) why don't we pursue something like this and do > > ourselves a huge favor? > > Well it would be very great yes! I am totally open to this kind of > solutions, I just didn't really know that it is so easy to get. > I now have the formal authorization to distribute our copy of the DSS. > I have the data ready on a disk here, and the code is mostly done, > even though it is yet a bit suboptimal (cache deactivated because > unstable etc..). > > So if you can go further with your contact, I don't think anyone would > object to get such service! Please also ask for more technical > information, I don't really know how it works to make geographic > dispersion. > > Fabien > > > Rob > > > > On Sun, 2009-01-18 at 17:55 -0800, Rob Spearman wrote: > >> Regarding DSS or other image hosting, I think it would be relatively > >> easy to get this donated. I don't think it's something we want to run > >> if we can help it, better to spend our time/resources elsewhere. > >> > >> Is there a written license now? That was the hang up last time I looked > >> into this. The host would want some kind of mention. > >> > >> Thanks, > >> > >> Rob > >> > >> > >> On Sun, 2009-01-18 at 17:48 -0600, Mike Storm wrote: > >> > > I thought of using a peer to peer system at first, but it seems that > >> > > it's difficult to avoid huge latencies. In Stellarium, we need very > >> > > low latency for getting a lot of small images as fast as possible. > >> > > >> > I was thinking only a few constantly-connected, high-speed clients > >> > would be doing the sharing. For example, my friend down the hall has a > >> > custom-built gaming box that's always connected to the university > >> > network. He could even choose to run some sort of daemon, if he > >> > doesn't want Stellarium open all the time. These clients would be > >> > equivalent to supernodes in the Gnutella network, which I'm fairly > >> > familiar with. (Nobody actually uses a pure peer-to-peer network > >> > anymore, due to those latency problems you're worried about.) > >> > > >> > Perhaps a mixed system - when requesting an image tile, the leaf (end > >> > user) 1) queries its own cache, 2) queries the supernodes, 3) queries > >> > the master server. If in step 2 the supernodes don't ping back within, > >> > say, 50ms, go to step 3 and ask the master server. I think that this > >> > would eliminate our latency problems and substantially reduce load on > >> > the master server. Even if none of the supernodes respond, nobody's > >> > going to notice the 1/20th of a second it took to ask them. And > >> > end-users will never need to know that this is going on, unless they > >> > choose to be a supernode. Does this all make sense? > >> > > >> > I think I can prototype this. Thoughts? > >> > > >> > > > >> > > But I am not an expert for these questions though, any thoughs > >> > > welcome. In the mean time, we have enough money from donations to set > >> > > up at least 1 server for a couple of years. > >> > > >> > Wow! I didn't know that. By the way, what's the size of the entire DSS > >> > catalog we're using? And do we have any estimate of the bandwidth that > >> > it's going to take? > >> > > >> > Mike > >> > > >> > ------------------------------------------------------------------------------ > >> > This SF.net email is sponsored by: > >> > SourcForge Community > >> > SourceForge wants to tell your story. > >> > http://p.sf.net/sfu/sf-spreadtheword > >> > _______________________________________________ > >> > Stellarium-pubdevel mailing list > >> > Ste...@li... > >> > https://lists.sourceforge.net/lists/listinfo/stellarium-pubdevel > >> > >> > >> ------------------------------------------------------------------------------ > >> This SF.net email is sponsored by: > >> SourcForge Community > >> SourceForge wants to tell your story. > >> http://p.sf.net/sfu/sf-spreadtheword > >> _______________________________________________ > >> Stellarium-pubdevel mailing list > >> Ste...@li... > >> https://lists.sourceforge.net/lists/listinfo/stellarium-pubdevel > > -- > > Digitalis Education Solutions, Inc. tel 360.616.8915 x302 > > P.O. 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