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DE68923845D1 - Synchronisierte fehlertolerante Uhren für Multiprozessorsysteme. - Google Patents

Synchronisierte fehlertolerante Uhren für Multiprozessorsysteme.

Info

Publication number
DE68923845D1
DE68923845D1 DE68923845T DE68923845T DE68923845D1 DE 68923845 D1 DE68923845 D1 DE 68923845D1 DE 68923845 T DE68923845 T DE 68923845T DE 68923845 T DE68923845 T DE 68923845T DE 68923845 D1 DE68923845 D1 DE 68923845D1
Authority
DE
Germany
Prior art keywords
multiprocessor systems
tolerant
clocks
synchronized fault
synchronized
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
DE68923845T
Other languages
English (en)
Other versions
DE68923845T2 (de
Inventor
Thomas Basil Smith
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE68923845D1 publication Critical patent/DE68923845D1/de
Application granted granted Critical
Publication of DE68923845T2 publication Critical patent/DE68923845T2/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
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/14—Time supervision arrangements, e.g. real time clock
    • 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
    • G06F11/1604—Error detection or correction of the data by redundancy in hardware where the fault affects the clock signals of a processing unit and the redundancy is at or within the level of clock signal generation hardware
    • 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
    • G06F11/20—Error 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Hardware Redundancy (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE68923845T 1988-10-25 1989-09-16 Synchronisierte fehlertolerante Uhren für Multiprozessorsysteme. Expired - Fee Related DE68923845T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26241688A 1988-10-25 1988-10-25

Publications (2)

Publication Number Publication Date
DE68923845D1 true DE68923845D1 (de) 1995-09-21
DE68923845T2 DE68923845T2 (de) 1996-05-02

Family

ID=22997411

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923845T Expired - Fee Related DE68923845T2 (de) 1988-10-25 1989-09-16 Synchronisierte fehlertolerante Uhren für Multiprozessorsysteme.

Country Status (4)

Country Link
US (1) US5146585A (de)
EP (1) EP0365819B1 (de)
JP (1) JPH0797328B2 (de)
DE (1) DE68923845T2 (de)

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Also Published As

Publication number Publication date
EP0365819A2 (de) 1990-05-02
JPH0797328B2 (ja) 1995-10-18
JPH02128232A (ja) 1990-05-16
DE68923845T2 (de) 1996-05-02
EP0365819B1 (de) 1995-08-16
US5146585A (en) 1992-09-08
EP0365819A3 (de) 1991-09-18

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8339 Ceased/non-payment of the annual fee