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Network protocol standard for Ethernet seamless failover
Parallel Redundancy Protocol (PRP) is a network protocol standard for Ethernet that provides seamless failover against failure of any network component
Parallel_Redundancy_Protocol
Network protocol for Ethernet that provides seamless failover
dedicated switches. This is in contrast to the companion standard Parallel Redundancy Protocol (PRP), with which HSR shares the operating principle. PRP and
High-availability Seamless Redundancy
High-availability_Seamless_Redundancy
Fault recovery system for Ethernet
Media Redundancy Protocol (MRP) is a data network protocol standardized by the International Electrotechnical Commission as IEC 62439-2. It allows rings
Media_Redundancy_Protocol
Part of IEC 62439-3 standard
attached using the IEC 62439-3 protocol (PRP "Parallel Redundancy Protocol" or HSR "High-availability Seamless Redundancy") Several master clocks can be
Precision Time Protocol Industry Profile
Precision_Time_Protocol_Industry_Profile
Network time synchronization protocol
automation adopted by IEC 61850 Parallel Redundancy Protocol use of PTP profiles (L2P2P and L3E2E) for industrial automation in parallel networks PTP is being studied
Precision_Time_Protocol
Error-detecting code for detecting data changes
A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital
Cyclic_redundancy_check
Error detection number calculated over a serial data stream
longitudinal redundancy check (LRC), or horizontal redundancy check, is a form of redundancy check that is applied independently to each of a parallel group
Longitudinal_redundancy_check
Field in Ethernet frames indicating which protocol is encapsulated in the payload
is a two-octet field in an Ethernet frame. It is used to indicate which protocol is encapsulated in the payload of the frame and is used at the receiving
EtherType
International standard for time synchronisation
attached using the IEC 62439-3 protocol (PRP "Parallel Redundancy Protocol" or HSR "High-availability Seamless Redundancy"). Several master clocks can be
IEC/IEEE_61850-9-3
Duplication of critical components to increase reliability of a system
etc.) communications protocols, communications hardware, communications networks, communications paths Geographic redundancy corrects the vulnerabilities
Redundancy_(engineering)
Use of Ethernet in an industrial environment
system Fieldbus Human-machine interface Media Redundancy Protocol Modbus Parallel Redundancy Protocol Process control Programmable logic controller SCADA
Industrial_Ethernet
Concept in computing
implicit redundancy of the delivered information. It is useful to distinguish two prevailing styles of gossip protocol: Dissemination protocols (or rumor-mongering
Gossip_protocol
Principal protocol used to stream data across an IP network
The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite, providing reliable, ordered, and error-checked delivery
Transmission_Control_Protocol
Topics referred to by the same term
period, a period between processing multiple stimuli Parallel Redundancy Protocol, a network protocol providing fault tolerance Petroleum Remediation Product
PRP
Cluster of IBM mainframes
external CF be used in a parallel sysplex. It is recommended that a Parallel Sysplex has at least two CFs and/or ICFs for redundancy, especially in a production
IBM_Parallel_Sysplex
Cache coherence protocol for computer processors
state in MESIF addresses this redundancy. Coherence protocol MSI protocol, the basic protocol from which the MESI protocol is derived. Write-once (cache
MESI_protocol
Family of industrial computer network protocols
distributed by the Fieldbus Foundation of Austin, Texas. Parallel Redundancy Protocol Media Redundancy Protocol VARAN IEC 61158-1:2019 Industrial communication
Fieldbus
Protocol for communicating routing information on the Internet
Border Gateway Protocol (BGP) is a standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems
Border_Gateway_Protocol
Computer network protocol
Control Transmission Protocol (SCTP) is a computer networking communications protocol in the transport layer of the Internet protocol suite. Originally intended
Stream Control Transmission Protocol
Stream_Control_Transmission_Protocol
Original SCSI storage interface
are error checked by a cyclic redundancy check. The first two formal SCSI standards, SCSI-1 and SCSI-2, described parallel SCSI. The SCSI-3 standard then
Parallel_SCSI
Type of decentralized filesystem
location-independent addressing and redundancy which improve reliability or reduce the complexity of the other parts of the cluster. Parallel file systems are a type
Clustered_file_system
Programming paradigm in which many processes are executed simultaneously
particularly via lockstep systems performing the same operation in parallel. This provides redundancy in case one component fails, and also allows automatic error
Parallel_computing
Electrical device that uses batteries to prevent any interruption of power flow
2016-03-03. Detailed explanation of UPS redundancy options"High-Availability Power Systems, Part II: Redundancy Options" (PDF). Archived from the original
Uninterruptible_power_supply
systems have built-in checksumming and either mirroring or parity for extra redundancy on one or several block devices: Bcachefs – Full data and metadata checksumming
List_of_file_systems
Using multiple network connections in parallel to increase capacity and reliability
parallel by any of several methods. Link aggregation increases total bandwidth beyond what a single connection could sustain, and provides redundancy
Link_aggregation
Peer-to-peer file sharing protocol
and bandwidth resource costs. Distributed downloading protocols in general provide redundancy against system problems, reduce dependence on the original
BitTorrent
Point-to-point serial protocol for enterprise storage
connected using native SATA protocol or through SAS expanders using Serial ATA Tunneling Protocol (STP). Both SAS and parallel SCSI use the SCSI command
Serial_Attached_SCSI
Bit added to a binary string for error detection
single signal, a longitudinal redundancy check. In a parallel bus, there is one longitudinal redundancy check bit per parallel signal. Parity was also used
Parity_bit
Systems with high up-time, a.k.a. "always on"
components in parallel, you can achieve 99.9023% availability. Two kinds of redundancy are passive redundancy and active redundancy. Passive redundancy is used
High_availability
Software-based channel bonding service
cellular, Ethernet, and satellite—to increase bandwidth and provide redundancy. Unlike traditional load balancing, which distributes traffic based on
Speedify
Network which provides access to consolidated, block-level data storage
multimode optical fibre cables are used in SANs. SANs are usually built with redundancy, so SAN switches are connected with redundant links. SAN switches connect
Storage_area_network
Global system of connected computer networks
global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a network
Internet
Computer storage networking technology
implement functions like encryption or RAID redundancy algorithms; multiport connections; FC-2 – Signaling Protocol, defined by the Fibre Channel Framing and
Fibre_Channel
Transmission Control Protocol technology
allowing a Transmission Control Protocol (TCP) connection to use multiple paths to maximize throughput and increase redundancy. In January 2013, the IETF published
Multipath_TCP
IBM name for ANSI FC-SB-3 protocol
Sets-3 Mapping Protocol for Fibre Channel (FC) protocol. It is a FC layer 4 protocol used to map both IBM's antecedent (either ESCON or parallel Bus and Tag)
FICON
Resilience of systems to component failures or errors
tasks or requests to all of them in parallel, and choosing the correct result on the basis of a quorum; Redundancy: Providing multiple identical instances
Fault_tolerance
Ethernet-based fieldbus system
or any combination thereof. The protocol also enables a multitude of communication features such as cable redundancy, Hot Connect of segments, change
EtherCAT
Overview of computer engineering topics
Explicitly parallel instruction computing Simultaneous multithreading Dependability Active redundancy Dual modular redundancy Triple modular redundancy High-availability
Computer engineering compendium
Computer_engineering_compendium
Computation of a cyclic redundancy check is derived from the mathematics of polynomial division, modulo two. In practice, it resembles long division of
Computation of cyclic redundancy checks
Computation_of_cyclic_redundancy_checks
Electrical network switch which can use field-replaceable units
network based on multiple different protocols and cable types. Blades can typically be configured in a parallel or failover configuration, which can
Modular_switch
Computer expansion bus standard
devices share the same bidirectional, 32-bit or 64-bit parallel bus. PCI Express is a layered protocol, consisting of a transaction layer, a data link layer
PCI_Express
Darknet friend-to-friend network
more decentralized, reduces choke points, and the use of BGP allows for redundancy. Suitable VPN choices are available, if not numerous. Any robust IPsec
AnoNet
Digital workload distribution techniques
Autoscaling Cloud computing Cloud load balancing Common Address Redundancy Protocol Edge computing InterPlanetary File System Network load balancing
Load_balancing_(computing)
Type of distributed file system
The Parallel Virtual File System (PVFS) is an open-source parallel file system. A parallel file system is a type of distributed file system that distributes
Parallel_Virtual_File_System
Computer networking technology
headers for other protocols (for example, Internet Protocol) carried in the frame. The frame ends with a 32-bit cyclic redundancy check, which is used
Ethernet
Network protocol
followed by an invariant cyclic redundancy check used for data integrity. The RoCE v1 protocol is an Ethernet link layer protocol with Ethertype 0x8915. This
RDMA_over_Converged_Ethernet
Standard for serial communication between devices without host computer
the CAN bus protocol has since been adopted in various other contexts, such as 3D printing. This broadcast-based, message-oriented protocol ensures data
CAN_bus
Electronic flight control system
wire system. This system also included solid-state components and system redundancy, was designed to be integrated with a computerised navigation and automatic
Fly-by-wire
changes to the ANDNA database. Furthermore, the protocol provides redundancy in the database to make the protocol resistant to failure and also provides for
Netsukuku
High-performance clustered file system
includes an internal RAID layer that can virtualize those volumes for redundancy and parallel access much like a RAID block storage system. It also has the ability
GPFS
Former suspension bridge (stood 1928–1967)
the Silver Bridge offered little to no redundancy, as each chain link consisted of just two eyebars in parallel. (Each bar was 45–55 feet long and 2 inches
Silver_Bridge
Distributed data processing framework
backbone traffic. HDFS uses this method when replicating data for data redundancy across multiple racks. This approach reduces the impact of a rack power
Apache_Hadoop
Programmable digital computer used to control machinery
created Modbus, a data communications protocol to be used with its PLCs. Modbus has since become a standard open protocol commonly used to connect many industrial
Programmable_logic_controller
Study of the properties of codes and their fitness
reliable data transmission methods. This typically involves the removal of redundancy and the correction or detection of errors in the transmitted data. There
Coding_theory
Short-range wireless standard
optional IrCOMM (Infrared Communications Protocol) lets the infrared device act like either a serial or parallel port. It lies on top of the IrLMP layer
IrDA
Model of Internet between planets
over the CCSDS IPv4-like Space Communications Protocol Specifications (SCPS) protocols. Internet Protocol use without CCSDS has taken place on spacecraft
Interplanetary_Internet
Authentication Protocol PARC—Palo Alto Research Center PAPR—Power Architecture Platform Reference PAT—Port address translation PATA—Parallel ATA PBKDF2—Password-Based
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
Type of geographic information system
benefits that an enterprise GIS can provide include significantly reduced redundancy of data across the system, improved accuracy and integrity of geographic
Distributed_GIS
1995 American film by Tony Scott
wardroom with the studio executives, walking them through the missile launch redundancy procedures. A few months later, the studio returned to the Navy with the
Crimson_Tide_(film)
System property to handle growing work
scalability is a characteristic of computers, networks, algorithms, networking protocols, programs and applications. An example is a search engine, which must
Scalability
File format and file compression program
because it compresses files individually and cannot take advantage of redundancy between files (solid compression). The gzip file format is also not to
Gzip
Family of serial port driver integrated circuits made by Zilog
added a number of serial-to-parallel modes that allowed internal implementation of a variety of data link layer protocols like Bisync, HDLC and SDLC.
Zilog_SCC
Simple computer for remote server access
be mitigated by building redundancies, fail-over processes, backups, and load balancing utilities into the system. Redundancy provides reliable host availability
Thin_client
Parallel programming model
various tasks in parallel, managing all communications and data transfers between the various parts of the system, and providing for redundancy and fault tolerance
MapReduce
SIMD CPU instruction set
added a CRC32 instruction to compute cyclic redundancy checks as used in certain data transfer protocols. These instructions were first implemented in
SSE4
Architectural pattern in software design
normalization Services are decomposed or consolidated (normalized) to minimize redundancy. In some, this may not be done. These are the cases where performance
Service-oriented_architecture
Transceiver device
costs than parallel interfaces with equivalent data throughput. Like other SerDes, the primary function of the MGT is to transmit parallel data as stream
Multi-gigabit_transceiver
Communication protocol
one of the FOUNDATION fieldbus protocol versions. Foundation H1 (31.25 kbit/s) is a bi-directional communications protocol used for communications among
Foundation_Fieldbus_H1
Collection of loosely coupled services used to build computer applications
loosely coupled, fine-grained services that communicate through lightweight protocols. This pattern allows teams to develop, deploy, and scale services independently
Microservices
Control system architecture for supervision of machines and processes
systems. The communication protocols used were strictly proprietary at that time. The first-generation SCADA system redundancy was achieved using a back-up
SCADA
Decentralized distributed system with lookup service
DHTs, publishing of nodes' IDs is also used to optimize DHT operations. Redundancy can be added to improve reliability. The (k, data) key pair can be stored
Distributed_hash_table
Computer networking concept
one ring which can cause additional redundancy in the network and because of this reason, scaling down redundancy is the primary focus of this technique
Link_protection
Open-source parallel file system
OrangeFS is an open-source parallel file system, the next generation of Parallel Virtual File System (PVFS). A parallel file system is a type of distributed
OrangeFS
Computer data storage architecture
system horizontally by adding or removing storage units to the system. Redundancy: store the replication of the same data across multiple servers, for high
Distributed_block_storage
System with multiple networked computers
cloud-native and high-availability environments, where fault isolation and redundancy are key design considerations. Its implementation varies depending on
Distributed_computing
Subfield of computer science and mathematics
reliable data transmission methods. This typically involves the removal of redundancy and the correction (or detection) of errors in the transmitted data. Computational
Theoretical_computer_science
Model of computer data storage
cooperative storage cloud architecture Highly fault tolerant through redundancy and distribution of data Highly durable through the creation of versioned
Cloud_storage
Worldwide radio email messaging system that uses amateur-band radio frequencies
used to employ multiple central message servers around the world for redundancy, but in 2017–2018 upgraded to Amazon Web Services that provides a
Winlink
Distributed file system
locations (to provide redundancy). Bigtable Cloud storage CloudStore Fossil, the native file system of Plan 9 GPFS IBM's General Parallel File System GFS2
Google_File_System
Data structure for approximate set membership
the bits will be set, and these will be apparently random, minimizing redundancy and maximizing information content. Assume that a hash function selects
Bloom_filter
Computer memory used for small quantities of data
devices to use packages with eight pins or less. A typical EEPROM serial protocol consists of three phases: OP-code phase, address phase and data phase.
EEPROM
NE, communicating over an optical fiber. The communication protocols include serial protocols (e.g. RS232) as well as telephony (POTS/ISDN), audio, Ethernet
Open_Transport_Network
System that controls and retrieves data from subsea equipment on the ocean floor.
of the implementation Components replaceable without well shut-in Dual redundancy to alleviate a shut-in due to multiple points of failure Communications
Universal Master Control Station
Universal_Master_Control_Station
Organized collection of data in computing
updated database data, and the cost of storage redundancy. Occasionally a database employs storage redundancy by database objects replication (with one or
Database
and software for clustering commodity computer systems into massively parallel systems. Their highpoint was in June 2003 when six out of the ten fastest
Quadrics_(company)
Lossy audio coding format
frames together, sharing context and headers; SILK also allows Low Bitrate Redundancy (LBRR) frames, allowing low-quality packet loss recovery. CELT includes
Opus_(audio_format)
Family of microcontrollers
peripheral interfaces and hardware accelerators (such as UART, SPI, cyclic redundancy check calculation unit and system timers). These peripherals demonstrate
AVR_microcontrollers
Storage operating system
restored. For front-end data SAN protocols. ALUA feature used for network load balancing and redundancy in SAN protocols so all the ports on node where
ONTAP
Line of multiservice edge routers
Packet Forwarding Engines operating in parallel. Packet reordering may affect the performance of transport protocol and applications. They were introduced
Juniper_M_series
Biological theory
where R = N L / G {\displaystyle R=NL/G} is called the redundancy. Note the significance of redundancy as representing the average number of times a position
DNA_sequencing_theory
Automated software testing technique
structured inputs. This structure is specified, such as in a file format or protocol and distinguishes valid from invalid input. An effective fuzzer generates
Fuzzing
Internet routing protocol
PAROLI is a proprietary protocol used inside a multi-shelf Carrier Routing System from Cisco and stands for "parallel optical link." It is used to connect
PAROLI
Distributed data store project
Storage@home was maintained through redundancy and monitoring, with repairs done as needed. Through careful application of redundancy, encryption, digital signatures
Storage@home
RFC 5661 Network File System (NFS) Version 4 Minor Version 1 Protocol IETF RFC 5663 Parallel NFS (pNFS) Block/Volume Layout IETF RFC 5848 Signed Syslog
Storage_security
only be dismissed for a fair reason. Employees are also entitled to a redundancy payment if their job was no longer economically necessary. If an enterprise
United_Kingdom_labour_law
Computerized control system with distributed decision-making
industry standard networks, and network reliability is increased by dual redundancy cabling over diverse routes. This distributed topology also reduces the
Distributed_control_system
Human-readable data serialization language
itself an associative array with differing keys. Relational data and redundancy removal are displayed: the "ship-to" associative array content is copied
YAML
bit protocol Checksum Cyclic redundancy check Luhn formula Error detection Error-detecting code Error-detecting system Message digest Redundancy check
Index of combinatorics articles
Index_of_combinatorics_articles
Sharing information to ensure consistency in computing
replication protocols optimize for the common failure-free operation. Chain replication is a popular family of such protocols. State-of-the-art protocol variants
Replication_(computing)
Suite of technologies
employed to efficiently route traffic at the network layer including redundancy and load balancing In theory, an Application Delivery Network (ADN) is
Application_delivery_network
PARALLEL REDUNDANCY-PROTOCOL
PARALLEL REDUNDANCY-PROTOCOL
Girl/Female
Biblical
Parables, governing.
Girl/Female
Biblical
A parable, governing.
Girl/Female
Arabic, Muslim
Example; Allegory; Parable
Biblical
a parable; governing
Girl/Female
Muslim
Example, Allegory, Parable
Surname or Lastname
English
English : occupational name from Middle English combere, an agent derivative of Old English camb ‘comb’, referring perhaps to a maker or seller of combs, or to someone who used them to prepare wool or flax for spinning. This was an alternative process to carding, and caused the wool fibers to lie more or less parallel to one another, so that the cloth produced had a hard, smooth finish without a nap.English : variant of Coomber.Probably an Americanized spelling of German Kommer or Kammer.
Biblical
parables; governing
Boy/Male
Shakespearean
All's Well That Ends Well.' A follower of Bertram, Count of Rousillon.
Surname or Lastname
English (of Welsh origin)
English (of Welsh origin) : variant of Powell, with redundant English patronymic -s.English : patronymic from Poul, a variant of the personal name Paul.
PARALLEL REDUNDANCY-PROTOCOL
PARALLEL REDUNDANCY-PROTOCOL
Female
Egyptian
, the daughter of Pisem II.
Surname or Lastname
English
English : from a double diminutive of the personal name Per.variant spelling of Parlet (see Parlette).
Boy/Male
Australian, Greek, Polish
Small; Form of Paul
Boy/Male
Indian, Punjabi, Sikh, Traditional
Brave King
Girl/Female
Afghan, Arabic, Gujarati, Hindu, Indian, Kannada, Muslim
Virtue
Girl/Female
Tamil
Boy/Male
Hebrew
Ron.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Tamil
Lord of Love; Victory; Wonder
Boy/Male
Hebrew
Serves God.
Girl/Female
Bengali, Hindu, Indian, Kannada, Sindhi, Telugu
Flower
PARALLEL REDUNDANCY-PROTOCOL
PARALLEL REDUNDANCY-PROTOCOL
PARALLEL REDUNDANCY-PROTOCOL
PARALLEL REDUNDANCY-PROTOCOL
PARALLEL REDUNDANCY-PROTOCOL
n.
Alt. of Redundancy
a.
Continuing a resemblance through many particulars; applicable in all essential parts; like; similar; as, a parallel case; a parallel passage.
n.
A character consisting of two parallel vertical lines (thus, ) used in the text to direct attention to a similarly marked note in the margin or at the foot of a page.
a.
Having opposite surfaces exactly plane and parallel, as a piece of glass.
n.
A line which, throughout its whole extent, is equidistant from another line; a parallel line, a parallel plane, etc.
v. t.
To produce or adduce as a parallel.
n.
The quality or state of being redundant; superfluity; superabundance; excess.
n.
One of the imaginary circles on the surface of the earth, parallel to the equator, marking the latitude; also, the corresponding line on a globe or map.
n.
A comparison made; elaborate tracing of similarity; as, Johnson's parallel between Dryden and Pope.
v. t.
To place or set so as to be parallel; to place so as to be parallel to, or to conform in direction with, something else.
imp. & p. p.
of Parallel
p. pr. & vb. n.
of Parallel
a.
Exceeding what is natural or necessary; superabundant; exuberant; as, a redundant quantity of bile or food.
n.
Surplusage inserted in a pleading which may be rejected by the court without impairing the validity of what remains.
n.
That which is redundant or in excess; anything superfluous or superabundant.
v. i.
To be parallel; to correspond; to be like.
v. t.
To represent by parable.
n.
One of a series of long trenches constructed before a besieged fortress, by the besieging force, as a cover for troops supporting the attacking batteries. They are roughly parallel to the line of outer defenses of the fortress.
adv.
In a parallel manner; with parallelism.
a.
Extended in the same direction, and in all parts equally distant; as, parallel lines; parallel planes.