ATE237155T1 - Redundante, synchrone taktverteilung für rechnersysteme - Google Patents

Redundante, synchrone taktverteilung für rechnersysteme

Info

Publication number
ATE237155T1
ATE237155T1 AT00932487T AT00932487T ATE237155T1 AT E237155 T1 ATE237155 T1 AT E237155T1 AT 00932487 T AT00932487 T AT 00932487T AT 00932487 T AT00932487 T AT 00932487T AT E237155 T1 ATE237155 T1 AT E237155T1
Authority
AT
Austria
Prior art keywords
clock
clock signal
master
slave
source
Prior art date
Application number
AT00932487T
Other languages
English (en)
Inventor
Drew G Doblar
Leo Yuan
Emrys J Williams
Original Assignee
Sun Microsystems Inc
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 Sun Microsystems Inc filed Critical Sun Microsystems Inc
Application granted granted Critical
Publication of ATE237155T1 publication Critical patent/ATE237155T1/de

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
    • G06F11/1604Error 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04Generating or distributing clock signals or signals derived directly therefrom
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03LAUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00Automatic control of frequency or phase; Synchronisation
    • H03L7/06Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/07Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Hardware Redundancy (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
AT00932487T 1999-05-19 2000-05-16 Redundante, synchrone taktverteilung für rechnersysteme ATE237155T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/314,812 US6194969B1 (en) 1999-05-19 1999-05-19 System and method for providing master and slave phase-aligned clocks
US09/320,794 US6516422B1 (en) 1999-05-19 1999-05-27 Computer system including multiple clock sources and failover switching
PCT/US2000/013442 WO2000070460A1 (en) 1999-05-19 2000-05-16 Redundant synchronous clock distribution for computer systems

Publications (1)

Publication Number Publication Date
ATE237155T1 true ATE237155T1 (de) 2003-04-15

Family

ID=26979562

Family Applications (2)

Application Number Title Priority Date Filing Date
AT00930771T ATE320680T1 (de) 1999-05-19 2000-05-16 System und verfahren zur bereitstellung von phasenausgeglichenen master- und slavetaktsignalen
AT00932487T ATE237155T1 (de) 1999-05-19 2000-05-16 Redundante, synchrone taktverteilung für rechnersysteme

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT00930771T ATE320680T1 (de) 1999-05-19 2000-05-16 System und verfahren zur bereitstellung von phasenausgeglichenen master- und slavetaktsignalen

Country Status (7)

Country Link
US (2) US6194969B1 (de)
EP (2) EP1179236B1 (de)
JP (1) JP2002544623A (de)
AT (2) ATE320680T1 (de)
AU (2) AU5020500A (de)
DE (2) DE60026698D1 (de)
WO (2) WO2000070801A1 (de)

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Also Published As

Publication number Publication date
AU5020500A (en) 2000-12-05
DE60002068T2 (de) 2004-05-19
ATE320680T1 (de) 2006-04-15
US6516422B1 (en) 2003-02-04
US6194969B1 (en) 2001-02-27
AU4853100A (en) 2000-12-05
WO2000070801A1 (en) 2000-11-23
JP2002544623A (ja) 2002-12-24
EP1185933A1 (de) 2002-03-13
EP1179236A1 (de) 2002-02-13
DE60002068D1 (de) 2003-05-15
EP1179236B1 (de) 2006-03-15
DE60026698D1 (de) 2006-05-11
WO2000070460A1 (en) 2000-11-23
EP1185933B1 (de) 2003-04-09

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