The Ghan the standard gauge Stirling North to Marree line opened, and the Ghan was curtailed to operate only north of Marree. In October 1980 the remainder of the line was replaced by a standard-gauge line built to the west of the original line. An extension north from Alice Springs to Darwin opened in January 2004. Construction of what was then known as the Port Augusta to Government Gums Railway began in 1878 when Premier of South Australia William Jervois broke ground at Port Augusta. The line reached Hawker in June 1880, Beltana in July 1881, Marree in January 1884 and Oodnadatta
Infrastructure as a service capacity auto-scales dynamically with computing load, which eliminates the problem of over-provisioning and enables usage-based billing. IaaS clouds often offer additional resources such as a virtual-machine disk-image library, raw block storage, file or object storage, firewalls, load balancers, IP addresses, virtual local area networks (VLANs), and software bundles. The NIST's definition of cloud computing defines Infrastructure as a Service as: According to the Internet Engineering Task Force (IETF), the most basic cloud-service model is that of providers offering IT infrastructure — virtual machines and other resources — as a service to subscribers. IaaS-cloud providers supply these resources on-demand from their