DE69325769D1 - Erkennung von Befehlssynchronisationsfehlern - Google Patents

Erkennung von Befehlssynchronisationsfehlern

Info

Publication number
DE69325769D1
DE69325769D1 DE69325769T DE69325769T DE69325769D1 DE 69325769 D1 DE69325769 D1 DE 69325769D1 DE 69325769 T DE69325769 T DE 69325769T DE 69325769 T DE69325769 T DE 69325769T DE 69325769 D1 DE69325769 D1 DE 69325769D1
Authority
DE
Germany
Prior art keywords
detection
synchronization errors
command synchronization
command
errors
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69325769T
Other languages
English (en)
Other versions
DE69325769T2 (de
Inventor
Paul Stuart Rotker
Randall Dean Hinrichs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digital Equipment Corp
Original Assignee
Digital Equipment 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 Digital Equipment Corp filed Critical Digital Equipment Corp
Application granted granted Critical
Publication of DE69325769D1 publication Critical patent/DE69325769D1/de
Publication of DE69325769T2 publication Critical patent/DE69325769T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1629—Error detection by comparing the output of redundant processing systems
    • G06F11/1633—Error detection by comparing the output of redundant processing systems using mutual exchange of the output between the redundant processing components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1687—Temporal synchronisation or re-synchronisation of redundant processing components at event level, e.g. by interrupt or result of polling

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Hardware Redundancy (AREA)
  • Multi Processors (AREA)
DE69325769T 1992-11-04 1993-10-28 Erkennung von Befehlssynchronisationsfehlern Expired - Fee Related DE69325769T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97137792A 1992-11-04 1992-11-04

Publications (2)

Publication Number Publication Date
DE69325769D1 true DE69325769D1 (de) 1999-09-02
DE69325769T2 DE69325769T2 (de) 2000-03-23

Family

ID=25518299

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325769T Expired - Fee Related DE69325769T2 (de) 1992-11-04 1993-10-28 Erkennung von Befehlssynchronisationsfehlern

Country Status (3)

Country Link
US (1) US5687310A (de)
EP (1) EP0596410B1 (de)
DE (1) DE69325769T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6247143B1 (en) * 1998-06-30 2001-06-12 Sun Microsystems, Inc. I/O handling for a multiprocessor computer system
US7233604B1 (en) * 2002-06-04 2007-06-19 Lsi Corporation Time division media access controller and method of operation thereof
US7328370B2 (en) * 2003-09-12 2008-02-05 Rockwell Automation Technologies, Inc. Safety controller with simplified interface
JP2006178636A (ja) * 2004-12-21 2006-07-06 Nec Corp フォールトトレラントコンピュータ、およびその制御方法
US7577870B2 (en) * 2005-12-21 2009-08-18 The Boeing Company Method and system for controlling command execution
CN102822807B (zh) * 2010-03-23 2015-09-02 大陆-特韦斯贸易合伙股份公司及两合公司 控制计算机系统及其控制方法和使用

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810119A (en) * 1971-05-04 1974-05-07 Us Navy Processor synchronization scheme
FR2182259A5 (de) * 1972-04-24 1973-12-07 Cii
US4358823A (en) * 1977-03-25 1982-11-09 Trw, Inc. Double redundant processor
US4486826A (en) * 1981-10-01 1984-12-04 Stratus Computer, Inc. Computer peripheral control apparatus
DE3208573C2 (de) * 1982-03-10 1985-06-27 Standard Elektrik Lorenz Ag, 7000 Stuttgart 2 aus 3-Auswahleinrichtung für ein 3-Rechnersystem
CA2003338A1 (en) * 1987-11-09 1990-06-09 Richard W. Cutts, Jr. Synchronization of fault-tolerant computer system having multiple processors
GB8729901D0 (en) * 1987-12-22 1988-02-03 Lucas Ind Plc Dual computer cross-checking system
US5222237A (en) * 1988-02-02 1993-06-22 Thinking Machines Corporation Apparatus for aligning the operation of a plurality of processors
US5204952A (en) * 1988-07-18 1993-04-20 Northern Telecom Limited Duplex processor arrangement for a switching system
US4965717A (en) * 1988-12-09 1990-10-23 Tandem Computers Incorporated Multiple processor system having shared memory with private-write capability
US5075840A (en) * 1989-01-13 1991-12-24 International Business Machines Corporation Tightly coupled multiprocessor instruction synchronization
US5175847A (en) * 1990-09-20 1992-12-29 Logicon Incorporated Computer system capable of program execution recovery
CA2070285C (en) * 1990-10-03 1998-04-07 Yuji Hidaka Input/output command issuing control system in data processing system
US5226152A (en) * 1990-12-07 1993-07-06 Motorola, Inc. Functional lockstep arrangement for redundant processors

Also Published As

Publication number Publication date
EP0596410A1 (de) 1994-05-11
DE69325769T2 (de) 2000-03-23
US5687310A (en) 1997-11-11
EP0596410B1 (de) 1999-07-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee