ATE88028T1 - Verfahren und geraet zur digitalen logischen synchronismusueberwachung. - Google Patents

Verfahren und geraet zur digitalen logischen synchronismusueberwachung.

Info

Publication number
ATE88028T1
ATE88028T1 AT88901357T AT88901357T ATE88028T1 AT E88028 T1 ATE88028 T1 AT E88028T1 AT 88901357 T AT88901357 T AT 88901357T AT 88901357 T AT88901357 T AT 88901357T AT E88028 T1 ATE88028 T1 AT E88028T1
Authority
AT
Austria
Prior art keywords
synchronism
logic
logic elements
digital logical
operate
Prior art date
Application number
AT88901357T
Other languages
English (en)
Inventor
Jeffrey L Williams
Original Assignee
Stratus Computer 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 Stratus Computer Inc filed Critical Stratus Computer Inc
Application granted granted Critical
Publication of ATE88028T1 publication Critical patent/ATE88028T1/de

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
    • G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1679—Temporal synchronisation or re-synchronisation of redundant processing components at clock signal level

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)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Selective Calling Equipment (AREA)
AT88901357T 1987-01-16 1988-01-14 Verfahren und geraet zur digitalen logischen synchronismusueberwachung. ATE88028T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/003,732 US5020024A (en) 1987-01-16 1987-01-16 Method and apparatus for detecting selected absence of digital logic synchronism
EP88901357A EP0349539B1 (de) 1987-01-16 1988-01-14 Verfahren und gerät zur digitalen logischen synchronismusüberwachung
PCT/US1988/000066 WO1988005572A2 (en) 1987-01-16 1988-01-14 Method and apparatus for digital logic synchronism monitoring

Publications (1)

Publication Number Publication Date
ATE88028T1 true ATE88028T1 (de) 1993-04-15

Family

ID=21707315

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88901357T ATE88028T1 (de) 1987-01-16 1988-01-14 Verfahren und geraet zur digitalen logischen synchronismusueberwachung.

Country Status (7)

Country Link
US (1) US5020024A (de)
EP (1) EP0349539B1 (de)
JP (1) JP2573508B2 (de)
AT (1) ATE88028T1 (de)
AU (1) AU614277B2 (de)
DE (1) DE3880132T2 (de)
WO (1) WO1988005572A2 (de)

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US5471488A (en) * 1994-04-05 1995-11-28 International Business Machines Corporation Clock fault detection circuit
US5630056A (en) * 1994-09-20 1997-05-13 Stratus Computer, Inc. Digital data processing methods and apparatus for fault detection and fault tolerance
US5604754A (en) * 1995-02-27 1997-02-18 International Business Machines Corporation Validating the synchronization of lock step operated circuits
US5692121A (en) * 1995-04-14 1997-11-25 International Business Machines Corporation Recovery unit for mirrored processors
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US6553519B1 (en) * 1998-01-23 2003-04-22 Alcatel Internetworking (Pe), Inc. Method for detecting signal transfer errors in near real time in a digital system
US6820213B1 (en) 2000-04-13 2004-11-16 Stratus Technologies Bermuda, Ltd. Fault-tolerant computer system with voter delay buffer
US6687851B1 (en) 2000-04-13 2004-02-03 Stratus Technologies Bermuda Ltd. Method and system for upgrading fault-tolerant systems
US6691225B1 (en) 2000-04-14 2004-02-10 Stratus Technologies Bermuda Ltd. Method and apparatus for deterministically booting a computer system having redundant components
US6862689B2 (en) 2001-04-12 2005-03-01 Stratus Technologies Bermuda Ltd. Method and apparatus for managing session information
US6718474B1 (en) 2000-09-21 2004-04-06 Stratus Technologies Bermuda Ltd. Methods and apparatus for clock management based on environmental conditions
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
US6928583B2 (en) * 2001-04-11 2005-08-09 Stratus Technologies Bermuda Ltd. Apparatus and method for two computing elements in a fault-tolerant server to execute instructions in lockstep
JP3982353B2 (ja) * 2002-07-12 2007-09-26 日本電気株式会社 フォルトトレラントコンピュータ装置、その再同期化方法及び再同期化プログラム
JP2004046599A (ja) * 2002-07-12 2004-02-12 Nec Corp フォルトトレラントコンピュータ装置、その再同期化方法及び再同期化プログラム
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
CN103997327B (zh) * 2014-05-19 2017-06-06 华为技术有限公司 一种驱动信号的丢波检测电路及开关管驱动电路
US10063567B2 (en) 2014-11-13 2018-08-28 Virtual Software Systems, Inc. System for cross-host, multi-thread session alignment

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Also Published As

Publication number Publication date
DE3880132T2 (de) 1993-08-26
JP2573508B2 (ja) 1997-01-22
WO1988005572A3 (en) 1988-08-11
US5020024A (en) 1991-05-28
AU1188288A (en) 1988-08-10
DE3880132D1 (de) 1993-05-13
JPH02502315A (ja) 1990-07-26
AU614277B2 (en) 1991-08-29
EP0349539A1 (de) 1990-01-10
WO1988005572A2 (en) 1988-07-28
EP0349539B1 (de) 1993-04-07

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee