For computing to become a utility, which is the promise of the cloud, a datacentre cannot be a hotch-potch of boxes cobbled together from different vendors, but must be tightly integrated.
Bernd Kosch, green IT advisor, Fujitsu Technology Solutions: Among the various green benefits of the cloud computing paradigm, there is one which is exceptionally striking: cloud computing enables small and medium enterprises (SMEs) to take full advantage of very large scale datacentre technology, including the latest, most energy-efficient hardware provided in the shortest refresh cycles and leading facility-related infrastructure with advanced power utilisation effectiveness.