OpenStack versus CloudStack: A contest between services and software
It looks like OpenStack won’t be the only open source cloud computing player. Earlier this week, Citrix Systems released its CloudStack software to the Apache Software Foundation as an alternative to OpenStack. Formerly a member of the project, Citrix cited difficulties in making OpenStack work with its technology as a major driver behind the defection.
CloudStack will launch with about 30 technology partners, many of them already involved with OpenStack. CloudStack claims an Amazon Web Services-compatible native API set. OpenStack has an AWS API compatibility feature as well.
For those expecting an apples-versus-apples fight, you’re way off. CloudStack is a software product with an install base that’s been moved to open source for marketing purposes. This game has been played many times before, with everything from CRM software to ESBs. Indeed, you’ll find open source versions of most major software patterns…

