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High availability (HA) is a characteristic of a system that aims to ensure an agreed level of operational performance, usually uptime, for a higher than normal period. [ 1 ] There is now more dependence on these systems as a result of modernization.
The Trading Corporation of Pakistan (TCP) (Urdu: مشارکتِ پاکستان برائے امورِ تجارت) is a Pakistani state-owned commodity trading company, mainly responsible for export and import of commodities. It also issues tenders for export and import of agricultural products.
The wide availability of commodities typically leads to smaller profit margins and diminishes the importance of factors (such as brand name) other than price. Most commodities are raw materials , basic resources, agricultural , or mining products, such as iron ore , sugar , or grains like rice and wheat .
The terms high availability, continuous operation, and continuous availability are generally used to express how available a system is. [3] [4] The following is a definition of each of these terms. High availability refers to the ability to avoid unplanned outages by eliminating single points of failure. This is a measure of the reliability of ...
Goods are items that are usually (but not always) tangible, such as pens or apples. Services are activities provided by other people, such as teachers or barbers . Taken together, it is the production , distribution , and consumption of goods and services which underpins all economic activity and trade .
Telecommunications: High Availability Software is an essential component of telecommunications equipment since a network outage can result in significant loss in revenue for telecom providers and telephone access to emergency services is an important public safety issue.
In reliability engineering, the term availability has the following meanings: . The degree to which a system, subsystem or equipment is in a specified operable and committable state at the start of a mission, when the mission is called for at an unknown, i.e. a random, time.
In information technology, high-availability application architecture is a process followed when implementing a new application into an existing business-wide computer system or ERP while minimizing downtime. ff The architecture contains three stages: development, quality assurance, and production.