According to Stratalux, a lot of people are hesitant to embrace cloud computing due to fears that they will lose control of their hardware. In the past, most purchasing decisions around technology have been based primarily on hardware, and this can be a difficult habit to break. Cloud computing abstracts the hardware, which in a cloud environment becomes an instantiation of the hardware. Instead of thinking about hard drives, the emphasis now turns toward file systems. Similarly, the emphasis on CPUs now shifts towards compute units. Decision-makers need to focus on performance, SLAs, speed and capacity, as opposed to the underlying gear that supports these attributes.