Sun first muted offering services via the cloud two years ago but what has changed? Leading proprietory system providers all have announced plans to offer services in the cloud over the next few years.The main focus of offerings are likely to be aimed at small to mid sized business with an economy price tag.Traditionally arguments against purchasing cloud services have bee fueled by vendor lockins,security,and lack of high speed bandwith. BSC consulting argues that Opensource is best placed to develop cloud services at reasonable cost over propitiatory software vendors.