fault tolerance


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fault tolerance

[′fȯlt ‚täl·ə·rəns]
(systems engineering)
The capability of a system to perform in accordance with design specifications even when undesired changes in the internal structure or external environment occur.

fault tolerance

(architecture)
1. The ability of a system or component to continue normal operation despite the presence of hardware or software faults. This often involves some degree of redundancy.

2. The number of faults a system or component can withstand before normal operation is impaired.
References in periodicals archive ?
Additional errors are said to include difficult-to-process materials and demanding applications where there is zero fault tolerance. The inherent benefits of the 800 Series are said to be retained in the 800 Series Hybrid, including compact design, low residence time and a common deflector bore that eliminates tolerance stack up.
Indeed, hardware trends predict at least two faults per minute for next generation (exascale) supercomputers.the challenge of ascertaining fault tolerance for high-performance computing is not new, and has been the focus of extensive research for over two decades.
The movement and wireless features assign MANET more uses in a variety of areas; thus high reliability and fault tolerance ability are required.
This paper considers three well-known algorithms for scheduling such as HEFT, Min-Min and GA for the series of simulations and the performance of DRFT approach is compared with the dynamic group based fault tolerance (DGFT) approach.
Comparison of the storage space and data blocks repair bandwidth in the same fault tolerance capability Comparison parameters erasure codes replication Fault tolerant ability n - k n - k storage space nT/k MB k(n - k + 1)MB Block repair bandwidth k x T/k = TMB T/k MB Table 2.
When a fault is detected the system either recovers its state by luck or by the designated fault tolerance hence this response can ward off any failure.
Automated Fault Tolerance creates a live shadow Cloud server (Failover Cloud Virtual Machine), which is synchronized and always up-to-date with the primary one.
He covers logging and checkpointing, recovery-oriented computing, data and service replication, group communication systems, consensus and the Paxos algorithm, Byzantine fault tolerance, and application-aware Byzantine fault tolerance.
It would appear that fault tolerance is a necessary paradigm that must be taken into consideration for the multi-agent development environment.
With the increasing scientific importance of CubeSat missions fault tolerance is now becoming critical.
The key concept here is "fault tolerance," meaning that the support systems of the data center need to tolerate a fault without disrupting service.
[24] established k-connectivity network to improve fault tolerance by [RN.sub.s] placement; the greedy and distributed algorithms were proposed and their performance had been proven by simulations.