Time to Boot the Grid?
Of course, a number of banks will always take the Charlton Heston "pry it from my cold, dead hands" approach to their grids, but then again they probably can easily afford the sunk costs associated with supporting datacenters hosting tens to hundreds of thousands of computing nodes.
Imagine, however, the amount of time, talent and capital a firm could liberate by outsourcing all of that.
With the continued evolution of server virtualization and commodity pricing when it comes to hardware, the soil