SE8306265L - Feltaligt datorsystem - Google Patents

Feltaligt datorsystem

Info

Publication number
SE8306265L
SE8306265L SE8306265A SE8306265A SE8306265L SE 8306265 L SE8306265 L SE 8306265L SE 8306265 A SE8306265 A SE 8306265A SE 8306265 A SE8306265 A SE 8306265A SE 8306265 L SE8306265 L SE 8306265L
Authority
SE
Sweden
Prior art keywords
messages
task processor
primary
queue
primary task
Prior art date
Application number
SE8306265A
Other languages
English (en)
Swedish (sv)
Other versions
SE8306265D0 (sv
Inventor
S Glazer
J Baumbach
A Borg
E Wittels
Original Assignee
Auragen Systems Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Auragen Systems Corp filed Critical Auragen Systems Corp
Publication of SE8306265D0 publication Critical patent/SE8306265D0/xx
Publication of SE8306265L publication Critical patent/SE8306265L/xx

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2002Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
    • G06F11/2005Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication controllers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2002Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
    • G06F11/2007Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication media
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2097Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements maintaining the standby controller/processing unit updated
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2038Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant with a single idle spare processing component
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16Error detection or correction of the data by redundancy in hardware
    • G06F11/20Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/202Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
    • G06F11/2043Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant where the redundant components share a common memory address space

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multi Processors (AREA)
  • Hardware Redundancy (AREA)
SE8306265A 1982-11-23 1983-11-15 Feltaligt datorsystem SE8306265L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/443,937 US4590554A (en) 1982-11-23 1982-11-23 Backup fault tolerant computer system

Publications (2)

Publication Number Publication Date
SE8306265D0 SE8306265D0 (sv) 1983-11-15
SE8306265L true SE8306265L (sv) 1984-05-24

Family

ID=23762790

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8306265A SE8306265L (sv) 1982-11-23 1983-11-15 Feltaligt datorsystem

Country Status (6)

Country Link
US (1) US4590554A (xx)
EP (1) EP0143125A2 (xx)
JP (1) JPS59133663A (xx)
AU (1) AU2111583A (xx)
DK (1) DK536283A (xx)
SE (1) SE8306265L (xx)

Families Citing this family (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6054052A (ja) * 1983-09-02 1985-03-28 Nec Corp 処理継続方式
JPH0618377B2 (ja) * 1983-09-08 1994-03-09 株式会社日立製作所 伝送系
US4882669A (en) * 1983-11-28 1989-11-21 Canon Kabushiki Kaisha Multi computer fail safe control apparatus
US4823256A (en) * 1984-06-22 1989-04-18 American Telephone And Telegraph Company, At&T Bell Laboratories Reconfigurable dual processor system
FR2570525B1 (fr) * 1984-09-20 1986-12-12 Inst Nal Rech Informatiq Procede et dispositif electronique pour l'execution repartie d'une activite entre plusieurs sites differents
US4665520A (en) * 1985-02-01 1987-05-12 International Business Machines Corporation Optimistic recovery in a distributed processing system
US4979108A (en) * 1985-12-20 1990-12-18 Ag Communication Systems Corporation Task synchronization arrangement and method for remote duplex processors
EP0239827B1 (de) * 1986-04-02 1993-05-26 Siemens Aktiengesellschaft Verfahren zum Ansteuern eines gemeinsamen Speichers eines aus einzelnen Mikroprozessorsystemen bestehenden Mehrprozessorsystems
US5121488A (en) * 1986-06-12 1992-06-09 International Business Machines Corporation Sequence controller of an instruction processing unit for placing said unit in a ready, go, hold, or cancel state
US5079740A (en) * 1987-01-12 1992-01-07 Ncr Corporation System and method of providing an automatic back-up primary terminal for a cluster of secondary terminals
US4821170A (en) * 1987-04-17 1989-04-11 Tandem Computers Incorporated Input/output system for multiprocessors
US5201040A (en) * 1987-06-22 1993-04-06 Hitachi, Ltd. Multiprocessor system having subsystems which are loosely coupled through a random access storage and which each include a tightly coupled multiprocessor
JPH0831061B2 (ja) * 1987-07-24 1996-03-27 株式会社日立製作所 バツフア制御方式
CA2003338A1 (en) * 1987-11-09 1990-06-09 Richard W. Cutts, Jr. Synchronization of fault-tolerant computer system having multiple processors
US4873631A (en) * 1988-04-25 1989-10-10 Ncr Corporation Point of sale automatic back-up system and method
US4954941A (en) * 1988-08-31 1990-09-04 Bell Communications Research, Inc. Method and apparatus for program updating
US4965717A (en) * 1988-12-09 1990-10-23 Tandem Computers Incorporated Multiple processor system having shared memory with private-write capability
US5175828A (en) * 1989-02-13 1992-12-29 Hewlett-Packard Company Method and apparatus for dynamically linking subprogram to main program using tabled procedure name comparison
US5339418A (en) * 1989-06-29 1994-08-16 Digital Equipment Corporation Message passing method
FR2649224B1 (fr) * 1989-06-30 1995-09-01 Nec Corp Systeme de traitement de l'information capable de prendre facilement en charge le traitement d'un processeur defaillant
US6463529B1 (en) 1989-11-03 2002-10-08 Compaq Computer Corporation, Inc. Processor based system with system wide reset and partial system reset capabilities
US5497497A (en) * 1989-11-03 1996-03-05 Compaq Computer Corp. Method and apparatus for resetting multiple processors using a common ROM
JPH03154105A (ja) * 1989-11-10 1991-07-02 Toshiba Mach Co Ltd Ncプログラム作成装置
DE69021712T2 (de) * 1990-02-08 1996-04-18 Ibm Wiederanlaufkennzeichnungsmechanismus für fehlertolerierende Systeme.
DE69029084D1 (de) * 1990-02-27 1996-12-12 Ibm Nachrichtenführungseinrichtung durch mehrere Rechner, die mittels eines geteilten intelligenten Speichers gekoppelt sind
US5023778A (en) * 1990-03-23 1991-06-11 General Motors Corporation Interprocessor communication method
US5086429A (en) * 1990-04-10 1992-02-04 Honeywell Inc. Fault-tolerant digital computing system with reduced memory redundancy
US5271013A (en) * 1990-05-09 1993-12-14 Unisys Corporation Fault tolerant computer system
US5285203A (en) * 1990-06-05 1994-02-08 Matsuhita Electric Industrial Co., Ltd. Message transmission device, and a message transmission system and a message transmission status advising system using the message transmission device
US5060138A (en) * 1990-08-31 1991-10-22 Advanced Micro Devices, Inc. Apparatus for use with a computing device for generating a substitute acknowledgement to an input when the computing device is in an operational hiatus
US5157663A (en) * 1990-09-24 1992-10-20 Novell, Inc. Fault tolerant computer system
US5142470A (en) * 1990-09-26 1992-08-25 Honeywell Inc. Method of maintaining synchronization of a free-running secondary processor
DE69231452T2 (de) * 1991-01-25 2001-05-03 Hitachi Ltd Fehlertolerantes Rechnersystem mit Verarbeitungseinheiten die je mindestens drei Rechnereinheiten haben
US5363503A (en) * 1992-01-22 1994-11-08 Unisys Corporation Fault tolerant computer system with provision for handling external events
JPH05225159A (ja) * 1992-02-10 1993-09-03 Fujitsu Ltd 制御情報のバックアップ方式
FR2691559B1 (fr) * 1992-05-25 1997-01-03 Cegelec Systeme logiciel a objets repliques exploitant une messagerie dynamique, notamment pour installation de controle/commande a architecture redondante.
US6237108B1 (en) * 1992-10-09 2001-05-22 Fujitsu Limited Multiprocessor system having redundant shared memory configuration
US5914953A (en) * 1992-12-17 1999-06-22 Tandem Computers, Inc. Network message routing using routing table information and supplemental enable information for deadlock prevention
US5459864A (en) * 1993-02-02 1995-10-17 International Business Machines Corporation Load balancing, error recovery, and reconfiguration control in a data movement subsystem with cooperating plural queue processors
JPH0713838A (ja) * 1993-06-14 1995-01-17 Internatl Business Mach Corp <Ibm> エラーの回復方法及び装置
US5928368A (en) * 1994-06-23 1999-07-27 Tandem Computers Incorporated Method and apparatus for fault-tolerant multiprocessing system recovery from power failure or drop-outs
JP3544390B2 (ja) * 1994-06-29 2004-07-21 富士通株式会社 並列計算機で用いられるメッセージ通信方法
US5764903A (en) * 1994-09-26 1998-06-09 Acer America Corporation High availability network disk mirroring system
US5649152A (en) * 1994-10-13 1997-07-15 Vinca Corporation Method and system for providing a static snapshot of data stored on a mass storage system
US5835953A (en) * 1994-10-13 1998-11-10 Vinca Corporation Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating
CA2167634A1 (en) * 1995-01-23 1996-07-24 Michael E. Fisher Method and apparatus for maintaining network connections across a voluntary process switchover
US5696895A (en) * 1995-05-19 1997-12-09 Compaq Computer Corporation Fault tolerant multiple network servers
US5675723A (en) * 1995-05-19 1997-10-07 Compaq Computer Corporation Multi-server fault tolerance using in-band signalling
US5822512A (en) * 1995-05-19 1998-10-13 Compaq Computer Corporartion Switching control in a fault tolerant system
US5687308A (en) * 1995-06-07 1997-11-11 Tandem Computers Incorporated Method to improve tolerance of non-homogeneous power outages
JP2878988B2 (ja) * 1995-06-19 1999-04-05 株式会社東芝 チェックポイント通信処理システム
US5864657A (en) * 1995-11-29 1999-01-26 Texas Micro, Inc. Main memory system and checkpointing protocol for fault-tolerant computer system
US5802265A (en) * 1995-12-01 1998-09-01 Stratus Computer, Inc. Transparent fault tolerant computer system
GB9601584D0 (en) * 1996-01-26 1996-03-27 Hewlett Packard Co Fault-tolerant processing method
GB9601585D0 (en) * 1996-01-26 1996-03-27 Hewlett Packard Co Fault-tolerant processing method
US6032271A (en) * 1996-06-05 2000-02-29 Compaq Computer Corporation Method and apparatus for identifying faulty devices in a computer system
US5991518A (en) * 1997-01-28 1999-11-23 Tandem Computers Incorporated Method and apparatus for split-brain avoidance in a multi-processor system
US6012150A (en) * 1997-03-27 2000-01-04 International Business Machines Corporation Apparatus for synchronizing operator initiated commands with a failover process in a distributed processing system
US6799224B1 (en) * 1998-03-10 2004-09-28 Quad Research High speed fault tolerant mass storage network information server
US6260155B1 (en) 1998-05-01 2001-07-10 Quad Research Network information server
US6223304B1 (en) * 1998-06-18 2001-04-24 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization of processors in a fault tolerant multi-processor system
US6513108B1 (en) 1998-06-29 2003-01-28 Cisco Technology, Inc. Programmable processing engine for efficiently processing transient data
US6119215A (en) * 1998-06-29 2000-09-12 Cisco Technology, Inc. Synchronization and control system for an arrayed processing engine
US6195739B1 (en) 1998-06-29 2001-02-27 Cisco Technology, Inc. Method and apparatus for passing data among processor complex stages of a pipelined processing engine
US6101599A (en) * 1998-06-29 2000-08-08 Cisco Technology, Inc. System for context switching between processing elements in a pipeline of processing elements
US6836838B1 (en) 1998-06-29 2004-12-28 Cisco Technology, Inc. Architecture for a processor complex of an arrayed pipelined processing engine
DE19836347C2 (de) * 1998-08-11 2001-11-15 Ericsson Telefon Ab L M Fehlertolerantes Computersystem
US6728839B1 (en) 1998-10-28 2004-04-27 Cisco Technology, Inc. Attribute based memory pre-fetching technique
US6385747B1 (en) 1998-12-14 2002-05-07 Cisco Technology, Inc. Testing of replicated components of electronic device
US6173386B1 (en) 1998-12-14 2001-01-09 Cisco Technology, Inc. Parallel processor with debug capability
US6920562B1 (en) 1998-12-18 2005-07-19 Cisco Technology, Inc. Tightly coupled software protocol decode with hardware data encryption
US6529983B1 (en) 1999-11-03 2003-03-04 Cisco Technology, Inc. Group and virtual locking mechanism for inter processor synchronization
US6681341B1 (en) 1999-11-03 2004-01-20 Cisco Technology, Inc. Processor isolation method for integrated multi-processor systems
US6769027B1 (en) * 2000-01-31 2004-07-27 Avaya Technology Corp. System and method for using multi-headed queues for bookmarking in backup/recover scenarios
US6487464B1 (en) * 2000-02-25 2002-11-26 Intel Corporation Power-on software for robust boot
US6892237B1 (en) * 2000-03-28 2005-05-10 Cisco Technology, Inc. Method and apparatus for high-speed parsing of network messages
US6820213B1 (en) 2000-04-13 2004-11-16 Stratus Technologies Bermuda, Ltd. Fault-tolerant computer system with voter delay buffer
US6691257B1 (en) 2000-04-13 2004-02-10 Stratus Technologies Bermuda Ltd. Fault-tolerant maintenance bus protocol and method for using the same
US6633996B1 (en) 2000-04-13 2003-10-14 Stratus Technologies Bermuda Ltd. Fault-tolerant maintenance bus architecture
US6687851B1 (en) 2000-04-13 2004-02-03 Stratus Technologies Bermuda Ltd. Method and system for upgrading fault-tolerant systems
US6735715B1 (en) 2000-04-13 2004-05-11 Stratus Technologies Bermuda Ltd. System and method for operating a SCSI bus with redundant SCSI adaptors
US6708283B1 (en) 2000-04-13 2004-03-16 Stratus Technologies, Bermuda Ltd. System and method for operating a system with redundant peripheral bus controllers
US6802022B1 (en) 2000-04-14 2004-10-05 Stratus Technologies Bermuda Ltd. Maintenance of consistent, redundant mass storage images
US6862689B2 (en) 2001-04-12 2005-03-01 Stratus Technologies Bermuda Ltd. Method and apparatus for managing session information
US6505269B1 (en) 2000-05-16 2003-01-07 Cisco Technology, Inc. Dynamic addressing mapping to eliminate memory resource contention in a symmetric multiprocessor system
US7263476B1 (en) 2000-06-12 2007-08-28 Quad Research High speed information processing and mass storage system and method, particularly for information and application servers
US6948010B2 (en) * 2000-12-20 2005-09-20 Stratus Technologies Bermuda Ltd. Method and apparatus for efficiently moving portions of a memory block
US6766479B2 (en) 2001-02-28 2004-07-20 Stratus Technologies Bermuda, Ltd. Apparatus and methods for identifying bus protocol violations
US6766413B2 (en) 2001-03-01 2004-07-20 Stratus Technologies Bermuda Ltd. Systems and methods for caching with file-level granularity
US6874102B2 (en) * 2001-03-05 2005-03-29 Stratus Technologies Bermuda Ltd. Coordinated recalibration of high bandwidth memories in a multiprocessor computer
US7065672B2 (en) * 2001-03-28 2006-06-20 Stratus Technologies Bermuda Ltd. Apparatus and methods for fault-tolerant computing using a switching fabric
US6996750B2 (en) * 2001-05-31 2006-02-07 Stratus Technologies Bermuda Ltd. Methods and apparatus for computer bus error termination
WO2003010869A1 (en) * 2001-07-13 2003-02-06 Shape Of Time, Inc. System and method for providing network management
US6954877B2 (en) * 2001-11-29 2005-10-11 Agami Systems, Inc. Fault tolerance using logical checkpointing in computing systems
US20040078652A1 (en) * 2002-03-08 2004-04-22 Tapper Gunnar D. Using process quads to enable continuous services in a cluster environment
US7028218B2 (en) * 2002-12-02 2006-04-11 Emc Corporation Redundant multi-processor and logical processor configuration for a file server
US7228459B2 (en) * 2003-05-19 2007-06-05 Tellabs Petaluma, Inc. Apparatus and method that provides a primary server and a backup server that both support a RADIUS client and share an IP address
US7370248B2 (en) * 2003-11-07 2008-05-06 Hewlett-Packard Development Company, L.P. In-service raid mirror reconfiguring
US9213609B2 (en) * 2003-12-16 2015-12-15 Hewlett-Packard Development Company, L.P. Persistent memory device for backup process checkpoint states
US7168001B2 (en) * 2004-02-06 2007-01-23 Hewlett-Packard Development Company, L.P. Transaction processing apparatus and method
US20050216552A1 (en) * 2004-03-24 2005-09-29 Samuel Fineberg Communication-link-attached persistent memory system
US7368835B2 (en) * 2004-05-06 2008-05-06 Tellabs Bedford, Inc. Power distribution system and method
US20060222125A1 (en) * 2005-03-31 2006-10-05 Edwards John W Jr Systems and methods for maintaining synchronicity during signal transmission
US20060222126A1 (en) * 2005-03-31 2006-10-05 Stratus Technologies Bermuda Ltd. Systems and methods for maintaining synchronicity during signal transmission
US20070028144A1 (en) * 2005-07-29 2007-02-01 Stratus Technologies Bermuda Ltd. Systems and methods for checkpointing
US20070076228A1 (en) * 2005-10-04 2007-04-05 Jacob Apelbaum System and method for providing data services via a network
US7493512B2 (en) * 2005-10-04 2009-02-17 First Data Corporation System and method for providing data services via a network
US8041985B2 (en) 2006-08-11 2011-10-18 Chicago Mercantile Exchange, Inc. Match server for a financial exchange having fault tolerant operation
US7480827B2 (en) 2006-08-11 2009-01-20 Chicago Mercantile Exchange Fault tolerance and failover using active copy-cat
US7434096B2 (en) 2006-08-11 2008-10-07 Chicago Mercantile Exchange Match server for a financial exchange having fault tolerant operation
ES2345115T3 (es) 2006-12-19 2010-09-15 Saab Ab Un procedimiento para asegurar la funcion de salvaguardar en un sistema electrico de un vehiculo, y sistema electrico correspondiente.
US7472038B2 (en) * 2007-04-16 2008-12-30 International Business Machines Corporation Method of predicting microprocessor lifetime reliability using architecture-level structure-aware techniques
US7386851B1 (en) * 2008-01-04 2008-06-10 International Business Machines Corporation System and method for implementing dynamic lifetime reliability extension for microprocessor architectures
US8145945B2 (en) * 2010-01-04 2012-03-27 Avaya Inc. Packet mirroring between primary and secondary virtualized software images for improved system failover performance
KR101081990B1 (ko) * 2010-10-20 2011-11-09 주식회사 나라컨트롤 빌딩자동제어장치의 제어방법
US8909816B2 (en) * 2012-03-19 2014-12-09 Kaminario Technologies Ltd. Implementing a logical unit reset command in a distributed storage system
US9251002B2 (en) 2013-01-15 2016-02-02 Stratus Technologies Bermuda Ltd. System and method for writing checkpointing data
WO2015102873A2 (en) 2013-12-30 2015-07-09 Stratus Technologies Bermuda Ltd. Dynamic checkpointing systems and methods
WO2015102875A1 (en) 2013-12-30 2015-07-09 Stratus Technologies Bermuda Ltd. Checkpointing systems and methods of using data forwarding
WO2015102874A2 (en) 2013-12-30 2015-07-09 Stratus Technologies Bermuda Ltd. Method of delaying checkpoints by inspecting network packets

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735360A (en) * 1971-08-25 1973-05-22 Ibm High speed buffer operation in a multi-processing system
US4228496A (en) * 1976-09-07 1980-10-14 Tandem Computers Incorporated Multiprocessor system
US4133027A (en) * 1977-09-13 1979-01-02 Honeywell Inc. Process control system with backup process controller
JPS5537641A (en) * 1978-09-08 1980-03-15 Fujitsu Ltd Synchronization system for doubled processor
US4347563A (en) * 1980-06-16 1982-08-31 Forney Engineering Company Industrial control system
US4321666A (en) * 1980-02-05 1982-03-23 The Bendix Corporation Fault handler for a multiple computer system
US4333144A (en) * 1980-02-05 1982-06-01 The Bendix Corporation Task communicator for multiple computer system
US4351023A (en) * 1980-04-11 1982-09-21 The Foxboro Company Process control system with improved system security features

Also Published As

Publication number Publication date
JPS59133663A (ja) 1984-08-01
EP0143125A2 (en) 1985-06-05
SE8306265D0 (sv) 1983-11-15
DK536283D0 (da) 1983-11-23
US4590554A (en) 1986-05-20
DK536283A (da) 1984-05-24
AU2111583A (en) 1984-05-31

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