Luxury train Ghan, a luxury train, runs through the heart of the Australian continent from Darwin in the north to Adelaide in the south. The Indian Pacific is a long-distance train connecting Sydney on the east coast, Australia's largest city, with Perth on the west coast. Luxury train Luxury trains are designed to offer a very comfortable ride and evoke an association with history and heritage. Operating in several countries, they are a premium travel option. Although some luxury trains (such as the Maharajas' Express) promote tourism in destinations across a continent, others take passengers on a long, leisurely ride through a
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