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Resilience of systems to component failures or errors
Fault tolerance is the ability of a system to contain the propagation of faults (e.g. failed transistor, shorted connector, intermittent data bus). Faults
Fault_tolerance
Fault in a computer system that presents different symptoms to different observers
Byzantine fault is also known as a Byzantine generals problem, a Byzantine agreement problem, or a Byzantine failure. Byzantine fault tolerance (BFT) is
Byzantine_fault
computing, System Fault Tolerance (SFT) is a fault tolerant system built into NetWare operating systems. Three levels of fault tolerance exist: SFT I 'Hot
System_Fault_Tolerance
Quantum error correction schemes can suppress the logical error rate arbitrarily low
In quantum computing, the threshold theorem (or quantum fault-tolerance theorem) states that a quantum computer with a physical error rate below a certain
Threshold_theorem
Software fault tolerance is the ability of computer software to continue its normal operation despite the presence of system or hardware faults. Fault-tolerant
Software_fault_tolerance
Backend in computing
Fault Injector for Distributed System Evaluation IEEE Transactions On Parallel And Distributed Systems / July, 2004 Job-Site Level Fault Tolerance for
Cluster_manager
Using multiple network connections in parallel to increase capacity and reliability
balancing and fault tolerance. Broadcast (broadcast) Transmit network packets on all slave network interfaces. This mode provides fault tolerance. IEEE 802
Link_aggregation
Stacked combination of two or more standard RAID levels
provides better fault tolerance than a single RAID level does. This level is recommended for applications that require high fault tolerance, capacity and
Nested_RAID_levels
American computer scientist
seminal work in the branch of distributed computing known as Byzantine Fault Tolerance. He is also known for co-authoring the Paradox Database, and most recently
Robert_Shostak
Distributed computing primitive
In fault-tolerant distributed computing, an atomic broadcast or total order broadcast is a broadcast where all correct processes in a system of multiple
Atomic_broadcast
ext3 with snapshots support. MFS – TiVo's Media File System, a proprietary fault tolerant format used on TiVo hard drives for real time recording from live
List_of_file_systems
Ethernet standard
TTEthernet (i.e. Ethernet switch with SAE AS6802) integrates a model of fault-tolerance and failure management [citation needed]. TTEthernet switch can implement
TTEthernet
Measure in systems engineering
life cycles. The IFIP Working Group 10.4 on "Dependable Computing and Fault Tolerance" plays a role in synthesizing the technical community's progress in
Dependability
British computer scientist
University, United Kingdom. He specialises in research into software fault tolerance and dependability, and is a noted authority on the early pre-1950 history
Brian_Randell
Token Ring network hub
A media access unit (MAU), also known as a multistation access unit (MAU or MSAU), is a device to attach multiple network stations in a ring topology when
Media_access_unit
1999 Microsoft operating system version
their data on 2 or more identical disks (mirrored). This allows for fault tolerance; in the event one disk fails, the other disk(s) can keep the server
Windows_2000
Software development pattern
commonly used in software development to improve system resilience and fault tolerance. It can prevent cascading failures particularly in distributed systems
Circuit breaker design pattern
Circuit_breaker_design_pattern
Any of a set of standard configurations of Redundant Arrays of Independent Disks
disks, without parity information, redundancy, or fault tolerance. Since RAID 0 provides no fault tolerance or redundancy, the failure of one drive will cause
Standard_RAID_levels
Artificial intelligence field of study
AI safety is an interdisciplinary field focused on preventing accidents, misuse, or other harmful consequences arising from artificial intelligence systems
AI_safety
Computer science concept
resulting service can only be as fault tolerant as the processor executing that server. If this level of fault tolerance is unacceptable, then multiple
State_machine_replication
Fault-tolerant design for defending information systems
Intrusion tolerance is a fault-tolerant design approach to defending information systems against malicious attacks. In that sense, it is also a computer
Intrusion_tolerance
Kind of distributed data structure
finished using O(1) time and expected O(log n) messages. In skip graphs, fault tolerance describes the number of nodes which can be disconnected from the skip
Skip_graph
Synchronization primitive for fault tolerance
techniques in mission critical systems for providing high availability and fault tolerance of network services by detecting the network or systems failures of
Heartbeat_(computing)
Operating system
particular time. The PRIMOS operating system incorporated advanced fault tolerance features to ensure system reliability and data integrity. One notable
PRIMOS
Software architecture design pattern
resilience and fault tolerance. It is often combined with other resilience patterns such as circuit breakers and retries to form a complete fault handling strategy
Bulkhead_pattern
Parallel programming model
the various parts of the system, and providing for redundancy and fault tolerance. The model is a specialization of the split-apply-combine strategy
MapReduce
Network protocol that builds a loop-free logical topology for Ethernet networks
tree also allows a network design to include backup links providing fault tolerance if an active link fails. As the name suggests, STP creates a spanning
Spanning_Tree_Protocol
Consensus algorithm
yielding only crash fault tolerance. However there exist variants that use cryptographic signatures to achieve Byzantine fault tolerance. Raft achieves consensus
Raft_(algorithm)
Profession in software engineering
example: Having high customer satisfaction requires availability, fault tolerance, security, testability, recoverability, agility and performance in
Software_architect
Engineering discipline focused on robots
Walker, Ian (1994-03-21). "A survey of NASA and military standards on fault tolerance and reliability applied to robotics". Conference on Intelligent Robots
Robotics_engineering
Technique for inserting fault tolerance into computing systems
Checkpointing is a technique that provides fault tolerance for computing systems. It involves saving a snapshot of an application's state, so that it
Application_checkpointing
Free and open-source database management system
categorized as an AP (Availability and Partition Tolerance) system, emphasizing availability and partition tolerance over consistency. While it offers tunable
Apache_Cassandra
Data-processing architecture
approach to architecture attempts to balance latency, throughput, and fault-tolerance by using batch processing to provide comprehensive and accurate views
Lambda_architecture
Digital workload distribution techniques
selected server is down and connecting randomly again, it also provides fault tolerance. For Internet services, a server-side load balancer is usually a software
Load_balancing_(computing)
Network with multiple links between nodes
event that a few nodes should fail. This, in turn, contributes to fault-tolerance and reduced maintenance costs. Mesh topology may be contrasted with
Mesh_networking
Cloud storage platform
splitting. Data is automatically replicated to multiple nodes for fault tolerance. Replication across multiple data centers is supported. Single-node
Yahoo_Sherpa
Distributed data store for digital transactions
design and exemplify a distributed computing system with high Byzantine fault tolerance. A blockchain was created by a person (or group of people) using the
Blockchain
Data storage technology
well as by their relative complexity, performance, energy efficiency, fault tolerance, and availability. The definitive techniques used by RAID were conceived
RAID
Mathai Joseph work on fault tolerance gives a formal model that defines precisely the notions of fault, error, failure and fault-tolerance, and their relations
Zhiming Liu (computer scientist)
Zhiming_Liu_(computer_scientist)
Framework and distributed processing engine
resource management frameworks. Apache Flink includes a lightweight fault tolerance mechanism based on distributed checkpoints. A checkpoint is an automatic
Apache_Flink
Collection of loosely coupled services used to build computer applications
complexity, network latency, and the need for robust monitoring and fault tolerance mechanisms. Cell-based architecture is a distributed computing design
Microservices
American computer engineer
concerns fault tolerance in computer systems, fault tree analysis, and the dynamic fault tree method for the probabilistic analysis of fault tolerance. She
Joanne_Bechta_Dugan
Security by granting only essential access
in his paper "Fault Tolerant Operating Systems", set it in a broader perspective among "The four fundamental principles of fault tolerance". "Dynamic assignments
Principle_of_least_privilege
Software architecture model
architectures are evolutionary in nature and provide a high degree of fault tolerance, performance, and scalability. However, they are complex and inherently
Event-driven_architecture
Open-source data analytics cluster computing framework
interface for programming clusters with implicit data parallelism and fault tolerance. Originally developed at the University of California, Berkeley's AMPLab
Apache_Spark
Graphic driver architecture
a WDDM driver hangs or encounters a fault, the graphics stack will restart the driver. A graphics hardware fault will be intercepted and if necessary
Windows_Display_Driver_Model
Microprocessor
pages open, reducing the access latency to those pages; and proprietary fault-tolerant features. Each memory controller provides five RDRAM channels that
Alpha_21364
Abnormal condition or defect
engineering, a fault is a defect or problem in a system that causes it to fail or act abnormally. An example of this is the Windows fault screen, commonly
Fault_(technology)
Routing technique of using multiple alternative paths through a network
variety of benefits such as fault tolerance, increased bandwidth, and improved security. To improve performance or fault tolerance, concurrent multipath routing
Multipath_routing
Group of spatially dispersed and dedicated sensors
to address the following issues: Increased lifespan Robustness and fault tolerance Self-configuration Lifetime maximization: Energy/Power Consumption
Wireless_sensor_network
Classification of quantum processors
FTQC devices must also be able to demonstrate fault tolerance on a large scale in order to run fault-tolerant-level algorithms. Due to the importance
Fault tolerant quantum computing
Fault_tolerant_quantum_computing
International safety standard for automotive electrical and electronic systems
due to a fault manifestation. Fault tolerance Ability to deliver a specified functionality in the presence of one or more specified faults. Malfunctioning
ISO_26262
Technical Committee on Fault-Tolerant Computing (TC-FTC) and the IFIP Working Group on Dependable Computing and Fault Tolerance (WG 10.4). List of computer
William_C._Carter_Award
Telecommunication system for establishing telephone calls
spanning switch, or a crossover switch. Composite switches are inherently fault-tolerant. If a subswitch fails, the controlling computer can sense the failure
Telephone_exchange
broken rails. Signal aspects are designed to incorporate some degree of fault tolerance. Aspects are often designed so that a faulty or obscured lamp will
North American railroad signals
North_American_railroad_signals
American computer scientist
Methodology Group at MIT, with a current research focus in Byzantine fault tolerance and distributed computing. She was on the inaugural Engineering and
Barbara_Liskov
Networking technology
Disjoin Multiplier (3), for a 3000ms recovery time. Similar to Switch Fault Tolerance (SFT) in windows and mode=1 (active-backup) in Linux. Windows 7/2003
Fault_Tolerant_Ethernet
IP address that does not correspond to a single physical network interface
include network address translation (especially one-to-many NAT), fault tolerance, and mobility. For one-to-many NAT, a VIP address is advertised from
Virtual_IP_address
Research institute in Berkeley, California
2024-01-09. Retrieved 2024-01-14. "Quantum Algorithms, Complexity, and Fault Tolerance". Simons Institute for the Theory of Computing. 2024-01-09. Retrieved
Simons Institute for the Theory of Computing
Simons_Institute_for_the_Theory_of_Computing
redundancy Data redundancy Fault tolerant design Reliability engineering Safety engineering N-Version Programming: A Fault-Tolerance Approach to Reliability
N-version_programming
Origins and events of data
be addressed, including the scalability of the lineage store, the fault tolerance of the lineage store, the accurate capture of lineage for black box
Data_lineage
Distributed database
Oracle NoSQL Database is a NoSQL-type distributed key-value database from Oracle Corporation. It provides transactional semantics for data manipulation
Oracle_NoSQL_Database
Recording at the edge is the recording of video and storing it either in camera or to a directly connected storage device instead of transporting it across
Recording_at_the_edge
Decentralized social network
own content and the content of the peers they follow, which provides fault tolerance and eventual consistency. Messages are digitally signed and added to
Secure_Scuttlebutt
Set of standards under development by the IEEE for real-time networking
communication packets Selection of communication paths, path reservations and fault-tolerance: All devices that are participating in real-time communication adhere
Time-Sensitive_Networking
Types of quantum information
technologies used to implement qubits face issues of stability, decoherence, fault tolerance and scalability. Because of this, many physical qubits are needed for
Physical_and_logical_qubits
Suite of technologies
event of a failure in one device, thereby providing fault tolerance for the applications. Fault tolerance is implemented in ADNs through either a network
Application_delivery_network
Independent source of backup electricity
An emergency power system is an independent source of electrical power that supports important electrical systems on loss of normal power supply. A standby
Emergency_power_system
Organized collection of data in computing
distributed computing issues, including supporting concurrent access and fault tolerance. Computer scientists may classify database management systems according
Database
Distributed file system
scenarios, including network partitions) fault tolerance, while maintaining POSIX file system semantics. Fault-tolerance is achieved by using Paxos-based lease
XtreemFS
Transactional distributed SQL database
YugabyteDB is a high-performance transactional distributed SQL database for cloud-native applications, developed by Yugabyte. Yugabyte was founded by ex-Facebook
YugabyteDB
Sharing information to ensure consistency in computing
systems, and distributed systems, serving to improve availability, fault-tolerance, accessibility, and performance. Through replication, systems can continue
Replication_(computing)
Combined real-and-virtual environment
Dependability Embedded system Real-time computing Cyber-physical system Fault tolerance Wireless sensor network Networks Network architecture Network protocol
Extended_reality
Similar to C++ programming language
to support capabilities such as measurement-based load balancing, fault tolerance, automatic checkpointing, and the ability to shrink and expand the
Charm++
permanent failure indicates errors such as hardware failure. Whenever any fault is detected, other bricks which have a replica of the affected object update
BitVault
Maintaining complete functionality through permanent damage
Elegant degradation is a term used in engineering to describe what occurs to machines which are subject to constant, repetitive stress. Externally, such
Elegant_degradation
Index of articles associated with the same name
parity are used to provide increased performance, storage capacity, or fault tolerance. The term "RAID level" does not imply a hierarchy of performance or
RAID_levels
Computer network protocol
FlexRay is a communication bus designed to ensure high data rates, fault tolerance, operating on a time cycle, split into static and dynamic segments
FlexRay
Programming paradigm in which many processes are executed simultaneously
data analytics Parallel computing can also be applied to the design of fault-tolerant computer systems, particularly via lockstep systems performing
Parallel_computing
Experimental technology level
containing up to 1,000 qubits which are not advanced enough yet for fault-tolerance or large enough to achieve quantum advantage. These processors, which
Noisy intermediate-scale quantum computing
Noisy_intermediate-scale_quantum_computing
Electrical device that uses batteries to prevent any interruption of power flow
An uninterruptible power supply (UPS) or uninterruptible power source is an electrical apparatus that provides emergency power to a load when the input
Uninterruptible_power_supply
decoupled nature of an agile application permits it to accommodate fault tolerance and scalability. For example, scalability is addressed through focusing
Agile_application
Electronic flight control system
flight-control system – one that could be commanded to take over in the event that a fault ever affected all of the other four computers. This backup system served
Fly-by-wire
Computer networking link aggregation technology
links to create one logical Ethernet link for the purpose of providing fault-tolerance and high-speed links between switches, routers and servers. An EtherChannel
EtherChannel
Stress wave communication is a technique of sending and receiving messages using host structure itself as the transmission medium. Conventional modulation
Stress_wave_communication
Fault tolerance method for multiprocessor systems
Master-checker or master/checker is a hardware-supported fault tolerance architecture for multiprocessor systems, in which two processors, referred to
Master-checker
System to identify resources on a network
a single hostname may resolve to many IP addresses to facilitate fault tolerance and load distribution to multiple server instances across an enterprise
Domain_Name_System
Testing how computer systems behave under unusual stresses
is dependent on the fault type and where the fault is inserted. FTAPE (Fault Tolerance and Performance Evaluator) can inject faults, not only into memory
Fault_injection
Standard for serial communication between devices without host computer
from 40 kbit/s to 125 kbit/s and offers fault tolerance by allowing communication to continue despite a fault in one of the two wires, with each node
CAN_bus
Field of hardware development
brings together reconfigurable hardware, evolutionary computation, fault tolerance and autonomous systems. Evolvable hardware refers to hardware that
Evolvable_hardware
Family of RISC-based computer architectures
addition of simultaneous multithreading (SMT) for improved performance or fault tolerance. Acorn Computers' first widely successful design was the BBC Micro
ARM_architecture_family
Type of distributed computing architecture
(server_computers) Teradata Oracle RAC (Shared Everything) Byzantine fault tolerance Distributed hash table (DHT) Exasol Greenplum Grid computing InfiniDB
Shared-nothing_architecture
Internet infrastructure through which ISPs exchange traffic
routing efficiency (by allowing routers to select shorter paths) and fault-tolerance. IXPs exhibit the characteristics of the network effect. They can be
Internet_exchange_point
Concept of fault-tolerance
Self-stabilization is a concept of fault-tolerance in distributed systems. Given any initial state, a self-stabilizing distributed system will end up
Self-stabilization
Parallel computing architecture
data is different after processing by each stage in the pipeline. Fault tolerance executing the same instructions redundantly in order to detect and
Multiple instruction, single data
Multiple_instruction,_single_data
In telecommunication, degradation is the loss of quality of an electronic signal, which may be categorized as either "graceful" or "catastrophic", and
Degradation (telecommunications)
Degradation_(telecommunications)
Layer of protection in computer systems
rings, are mechanisms to protect data and functionality from faults (by improving fault tolerance) and malicious behavior (by providing computer security)
Protection_ring
in a RAID array to provide fault tolerance. For example, RAID 3 uses a parity drive to create a system that is both fault tolerant and, because of data
Parity_drive
Indian computer scientist
with Zhiming Liu on fault tolerance gives a formal model that precisely defines the notions of fault, error, failure and fault-tolerance, and their relationships
Mathai_Joseph
Software design pattern
and have a low cost but their shortcomings are lack of elasticity, fault tolerance and scalability. Alternative styles to monolithic applications include
Monolithic_application
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