On the other hand, IBM's VM operating system, while pricey, can do things that have no parallel on Sun hardware. Only IBM can run hundreds or thousands of operating system instances, simultaneously. Only IBM can run a UNIX-like operating system right alongside the legacy business and financial systems still contain the vast majority of corporate informational assets. In the final analysis, every business has different needs and those who would offer application hosting to multiple clients must evaluate and compare a variety of conceptual approaches. One thing that is certain, though, is that companies have more choices today than they did a few years ago.
Competition spurs innovation, and the customer reaps the benefits.
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