I’m wondering why there is this disparity. In my opinion, there are two major differences between Sun and Amazon’s offerings:
- With Sun’s offering you need to port your program to Solaris.
- Sun’s costs a dollar an hour, Amazon’s costs 10 cents an hour.
I think the porting problem is a much bigger limitation and this bodes well for the workspace concept in grid computing. There is a similar problem with the big grids in that they usually expect scientists to port their code to a homogenous platform — this is sometimes a near-impossible proposition.