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= vector of member's characteristic deformations caused by external effects (such as known forces and temperature changes) applied to the isolated, disconnected member (i.e. with =). For a system composed of many members interconnected at points called nodes, the members' flexibility relations can be put together into a single matrix equation ...
Geographic redundancy corrects the vulnerabilities of redundant devices deployed by geographically separating backup devices. Geographic redundancy reduces the likelihood of events such as power outages, floods, HVAC failures, lightning strikes, tornadoes, building fires, wildfires, and mass shootings disabling most of the system if not the entirety of it.
RBDs will indicate the type of redundancy in the parallel path. [1] For example, a group of parallel blocks could require two out of three components to succeed for the system to succeed. By contrast, any failure along a series path causes the entire series path to fail.
In a high-availability server cluster, each individual server may attain internal component redundancy by having multiple power supplies, hard drives, and other components. System-level redundancy could be obtained by having spare servers waiting to take on the work of another server if it fails.
The idea of incorporating redundancy in order to improve the reliability of a system was pioneered by John von Neumann in the 1950s. [24] Two kinds of redundancy are possible: [25] space redundancy and time redundancy. Space redundancy provides additional components, functions, or data items that are unnecessary for fault-free operation.
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In May 2022 new NBIS guidance established additional terminology to describe new forms of redundancy. These are: System redundancy, in which the fracture of a primary member will not result in collapse; Internal redundancy, in which a fracture will not propagate through a member that is not system redundant, the member being itself redundant
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