The Ghan of Australia. "The Ghan" service was notorious for delays caused by washouts of the track. A flatcar immediately behind the locomotive carried spare sleepers and railway tools, so passengers and crew could repair the line. The very uncertain service via this route was tolerated because steam locomotives needed large quantities of water, and Stuart's route to Alice Springs was the only one that had sufficient available water. During World War II the service had to be greatly expanded, putting great pressure on the limited water supplies. As a result, de-mineralisation towers, some of which survive to this day, were built
IT as a service to increase the use of virtualization. Rather, it is an operational and organizational shift to running IT like a business and optimizing IT production for business consumption. IT organizations that adopt ITaaS are most likely to use the best practices for IT service management as defined in the Information Technology Infrastructure Library. Several vendors who are proponents of ITaaS describe the transition of an IT organization to the ITaaS model as a journey which includes the adoption of such models as: IT as a service IT as a service (ITaaS) is an operational model where the information technology (IT) service