Why you can’t move a mainframe with a cloud • The Register.

This is a detailed technical analysis of the market for mainframes – discussing the infrastructure issues of moving Mainframes to cloud, or cloud to mainframes. The issues discussed are somewhat perennial – “greying workforce” shift to cheaper platforms of linux and java. But as the article attests it is the shear reliability and stability of mainframes which keeps them going – something those who proclaim the cloud will prevail must understand and respond to. With such guaranteed uptime of years  for transaction processing we cannot really envisage the Cloud for the core applications which run our information economy.