availability and reliability

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• Reliability, Availability and Serviceability — are computer hardware engineering terms. It originated from IBM to advertise the robustness of their mainframe computers. The concept is often known by the acronym RAS . Mainframe computers have a multitude of features that help them stay up… …   Wikipedia

• Availability — For the thermodynamic function availability , in the sense of available useful work, see exergy. For availability as a form of cognitive bias, see availability heuristic. In telecommunications and reliability theory, the term availability has the …   Wikipedia

• Reliability theory — developed apart from the mainstream of probability and statistics. It was originally a tool to help nineteenth century maritime insurance and life insurance companies compute profitable rates to charge their customers. Even today, the terms… …   Wikipedia

• Optimized Systems and Solutions — Type Subsidiary Industry Asset Optimization Founded 1999 Headquarters Reston, Virginia, US Parent Rolls Royce plc …   Wikipedia

• Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

• High-availability cluster — High availability clusters (also known as HA clusters or failover clusters) are groups of computers that support server applications that can be reliably utilized with a minimum of down time. They operate by harnessing redundant computers in… …   Wikipedia

• Continuous availability — is an approach to computer system and application design that protects users against downtime, whatever the cause and ensures that users remain connected to their documents, data files and business applications. Continuous availability describes… …   Wikipedia

• Human reliability — is related to the field of human factors engineering, and refers to the reliability of humans in fields such as manufacturing, transportation, the military, or medicine. Human performance can be affected by many factors such as age, circadian… …   Wikipedia

• Maintenance, repair, and operations — Mechanical repair Maintenance, repair, and operations[1] (MRO) or maintenance, repair, and overhaul[2] involves fixing any sort of …   Wikipedia

• Circuit reliability — (also time availability) (CiR) is the percentage of time an electronic circuit was available for use in a specified period of scheduled availability. Circuit reliability is given by where T o is the circuit total outage time, Ts is the circuit… …   Wikipedia

• Technological and industrial history of the United States — The technological and industrial history of the United States describes the United States emergence as one of the largest nations in the world as well as the most technologically powerful nation in the world. The availability of land and labor,… …   Wikipedia