Red Hat can't match Microsoft or Oracle's marketing budgets, but the open source paradigm gives it an advantage in the long term, chief executive Jim Whitehurst told eWEEK Europe

Virtualisation held the promise of simplifying IT infrastructures, but ended up creating another abstracted management layer, says Veeam's CEO, Ratmir Timashev

Other vendors have arrived on the scene, but Amazon is reaping the benefits of pioneering the concept of cloud computing resources, says vice president Adam Selipsky

Processing per kiloWatt hour is doubling according to the law laid down by Gordon Moore 50 years ago. And researcher Jonathan Koomey thinks this could help save the world

Don't ask to run Google Apps on your own server. If you want that, you're wrong, says Google's Eran Feigenbaum. But does Google use two-factor authentication or not?

When Twitter lost data from Google Docs, the idea of cloud apps took a knock. Google's Eran Feigenbaum says we're missing the point - the cloud is more secure than the data centre

Head of automation and virtualisation software company, Parallels is betting big on the cloud. But Serguei Beloussov says operating system consolidation and standards will be key.

Users need support in ever more demanding workloads, greening strategies and cloud computing models, which guarantees the mainframe's continuing relevance, says Anne Altman

Energy Star for servers won't be a simple matter, because users will have to take account of the load on their servers and the amount of work they want to do, says Dell's David Lear