On Sun, Dec 6, 2009 at 7:36 PM, Jeffrey Johnson <[email protected]> wrote:
> The initial OAM effort was essentially performed (process & tile > imagery) on a single big machine, so yes its quite possible. Is the source code available somewhere? How hard would it be for me to set up a working prototype (everything but the storage space/processing power)? How much work would be involved in modifying the system to work on more than one server? (It wouldn't be too bad since the servers are easily partitioned geographically, right?) To scale it up to where it could serve, say, all USGS high resolution orthography listed at http://seamless.usgs.gov/products/listofortho.php as tiles, what are we talking in terms of number/type of machines, hard drive space, and power consumption? If we could do that, how much a month could we get during the start-up phase in grants and donations? Enough to pay for the power consumption? The issue > is whether something like this is sustainable over the long term. No > matter how much hardware you or anyone else threw at the problem, > short of full unfettered access to EC2 with someone footing the bill, > we would quickly run up against resource issues ... Amazon is not the only organization out there who can host a few hundred terabytes of data. And over the long term, surely people and organizations will be willing to donate (both monetarily and in-kind) to such a cause. The need for high quality fast access to aerial photography tiles is set to explode with the rise of smart phones.
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