DE69414392T2 - Verfahren zur erhaltung der ereignisfolge während der sicherheitsübertragung in einem redundanten mehrschichtigen system - Google Patents
Verfahren zur erhaltung der ereignisfolge während der sicherheitsübertragung in einem redundanten mehrschichtigen systemInfo
- Publication number
- DE69414392T2 DE69414392T2 DE69414392T DE69414392T DE69414392T2 DE 69414392 T2 DE69414392 T2 DE 69414392T2 DE 69414392 T DE69414392 T DE 69414392T DE 69414392 T DE69414392 T DE 69414392T DE 69414392 T2 DE69414392 T2 DE 69414392T2
- Authority
- DE
- Germany
- Prior art keywords
- receiving
- layer system
- event during
- during security
- security transfer
- 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 - Lifetime
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
- G06F11/20—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
- G06F11/2002—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 where interconnections or communication control functionality are redundant
- G06F11/2007—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 where interconnections or communication control functionality are redundant using redundant communication media
-
- 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
- G06F11/202—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 where processing functionality is redundant
- G06F11/2023—Failover techniques
-
- 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
- G06F11/202—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 where processing functionality is redundant
- G06F11/2038—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 where processing functionality is redundant with a single idle spare processing component
-
- 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
- G06F11/202—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 where processing functionality is redundant
- G06F11/2043—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 where processing functionality is redundant where the redundant components share a common memory address space
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
- G06F2201/82—Solving problems relating to consistency
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Hardware Redundancy (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/042,923 US5426774A (en) | 1993-04-06 | 1993-04-06 | Method for maintaining a sequence of events function during failover in a redundant multiple layer system |
PCT/US1994/003707 WO1994023367A1 (en) | 1993-04-06 | 1994-04-05 | A method for maintaining a sequence of events function during failover in a redundant multiple layer system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69414392D1 DE69414392D1 (de) | 1998-12-10 |
DE69414392T2 true DE69414392T2 (de) | 1999-06-17 |
Family
ID=21924472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69414392T Expired - Lifetime DE69414392T2 (de) | 1993-04-06 | 1994-04-05 | Verfahren zur erhaltung der ereignisfolge während der sicherheitsübertragung in einem redundanten mehrschichtigen system |
Country Status (4)
Country | Link |
---|---|
US (1) | US5426774A (de) |
EP (1) | EP0707722B1 (de) |
DE (1) | DE69414392T2 (de) |
WO (1) | WO1994023367A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10304706A1 (de) * | 2002-07-24 | 2004-02-05 | Kuka Roboter Gmbh | Verfahren und Vorrichtung zum Steuern einer Anlage |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2864741B2 (ja) * | 1990-12-19 | 1999-03-08 | 株式会社日立製作所 | データインテグリティを保証する通信システム |
US5987210A (en) * | 1993-01-08 | 1999-11-16 | Srt, Inc. | Method and apparatus for eliminating television commercial messages |
US7110658B1 (en) * | 1993-01-08 | 2006-09-19 | Televentions, Llc | Method and apparatus for eliminating television commercial messages |
EP0647890B1 (de) * | 1993-10-11 | 1998-06-10 | Siemens Aktiengesellschaft | Verarbeitungsmodul für ein modulares Automatisierungssystem |
GB2292620B (en) * | 1994-08-16 | 1998-04-22 | Motorola Israel Ltd | Event driven programmer logic controller processor arrangement |
US5682471A (en) * | 1994-10-06 | 1997-10-28 | Billings; Thomas Neal | System for transparently storing inputs to non-volatile storage and automatically re-entering them to reconstruct work if volatile memory is lost |
US5790427A (en) * | 1995-08-28 | 1998-08-04 | Westinghouse Air Brake Company | Event history data acquisition |
US5991821A (en) * | 1996-04-30 | 1999-11-23 | International Business Machines Corporation | Method for serializing actions of independent process groups |
US5732206A (en) * | 1996-07-23 | 1998-03-24 | International Business Machines Corporation | Method, apparatus and program product for disruptive recovery in a data processing system |
US5778203B1 (en) * | 1996-10-01 | 2000-02-08 | Honeywell Emical | Aircraft display and control system with virtual backplane architecture |
CA2221216A1 (en) * | 1996-11-15 | 1998-05-15 | Mark Squibb | System and apparatus for merging a write event journal and an original storage to produce an updated storage using an event map |
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 |
US5875290A (en) * | 1997-03-27 | 1999-02-23 | International Business Machines Corporation | Method and program product for synchronizing operator initiated commands with a failover process in a distributed processing system |
US5996086A (en) * | 1997-10-14 | 1999-11-30 | Lsi Logic Corporation | Context-based failover architecture for redundant servers |
US6006342A (en) * | 1997-12-11 | 1999-12-21 | International Business Machines Corporation | Failover and failback system for a direct access storage device |
US6061750A (en) * | 1998-02-20 | 2000-05-09 | International Business Machines Corporation | Failover system for a DASD storage controller reconfiguring a first processor, a bridge, a second host adaptor, and a second device adaptor upon a second processor failure |
US6112311A (en) * | 1998-02-20 | 2000-08-29 | International Business Machines Corporation | Bridge failover system |
US6378129B1 (en) | 1998-03-30 | 2002-04-23 | International Business Machines Corporation | Video server content synchronization |
US6240105B1 (en) | 1998-03-30 | 2001-05-29 | International Business Machines Corporation | Video server streaming synchronization |
US7013305B2 (en) | 2001-10-01 | 2006-03-14 | International Business Machines Corporation | Managing the state of coupling facility structures, detecting by one or more systems coupled to the coupling facility, the suspended state of the duplexed command, detecting being independent of message exchange |
US6393485B1 (en) | 1998-10-27 | 2002-05-21 | International Business Machines Corporation | Method and apparatus for managing clustered computer systems |
US6915364B1 (en) * | 1999-07-02 | 2005-07-05 | Fisher Rosemount Systems, Inc. | Automatically downloaded link active schedule |
AU2001241956B2 (en) * | 2000-03-01 | 2006-11-30 | Computer Associates Think, Inc. | Method and system for updating an archive of a computer file |
US6789182B1 (en) * | 2000-11-13 | 2004-09-07 | Kevin Jay Brothers | System and method for logging computer event data and physical components of a complex distributed system |
US6845467B1 (en) | 2001-02-13 | 2005-01-18 | Cisco Systems Canada Co. | System and method of operation of dual redundant controllers |
US6859866B2 (en) | 2001-10-01 | 2005-02-22 | International Business Machines Corporation | Synchronizing processing of commands invoked against duplexed coupling facility structures |
US6944787B2 (en) | 2001-10-01 | 2005-09-13 | International Business Machines Corporation | System-managed duplexing of coupling facility structures |
US6954817B2 (en) | 2001-10-01 | 2005-10-11 | International Business Machines Corporation | Providing at least one peer connection between a plurality of coupling facilities to couple the plurality of coupling facilities |
US6813726B2 (en) | 2001-10-01 | 2004-11-02 | International Business Machines Corporation | Restarting a coupling facility command using a token from another coupling facility command |
US6910158B2 (en) | 2001-10-01 | 2005-06-21 | International Business Machines Corporation | Test tool and methods for facilitating testing of duplexed computer functions |
US7099935B2 (en) | 2001-10-01 | 2006-08-29 | International Business Machines Corporation | Dynamically determining whether to process requests synchronously or asynchronously |
US20030229472A1 (en) * | 2001-12-06 | 2003-12-11 | Kantzes Christopher P. | Field maintenance tool with improved device description communication and storage |
US7426452B2 (en) * | 2001-12-06 | 2008-09-16 | Fisher-Rosemount Systems. Inc. | Dual protocol handheld field maintenance tool with radio-frequency communication |
US20030204373A1 (en) * | 2001-12-06 | 2003-10-30 | Fisher-Rosemount Systems, Inc. | Wireless communication method between handheld field maintenance tools |
US7039744B2 (en) * | 2002-03-12 | 2006-05-02 | Fisher-Rosemount Systems, Inc. | Movable lead access member for handheld field maintenance tool |
US7027952B2 (en) * | 2002-03-12 | 2006-04-11 | Fisher-Rosemount Systems, Inc. | Data transmission method for a multi-protocol handheld field maintenance tool |
US6931405B2 (en) * | 2002-04-15 | 2005-08-16 | Microsoft Corporation | Flexible subscription-based event notification |
US6839660B2 (en) * | 2002-04-22 | 2005-01-04 | Csi Technology, Inc. | On-line rotating equipment monitoring device |
US6986076B1 (en) | 2002-05-28 | 2006-01-10 | Unisys Corporation | Proactive method for ensuring availability in a clustered system |
US7197664B2 (en) * | 2002-10-28 | 2007-03-27 | Intel Corporation | Stateless redundancy in a network device |
US10261506B2 (en) * | 2002-12-05 | 2019-04-16 | Fisher-Rosemount Systems, Inc. | Method of adding software to a field maintenance tool |
US7376957B1 (en) | 2002-12-16 | 2008-05-20 | At&T Delaware Intellectual Property, Inc. | Method and system for recovering stranded outbound messages |
CN100388529C (zh) * | 2003-03-06 | 2008-05-14 | 费希尔-罗斯蒙德系统公司 | 用于电蓄电池的热流动调节盖 |
US7512521B2 (en) * | 2003-04-30 | 2009-03-31 | Fisher-Rosemount Systems, Inc. | Intrinsically safe field maintenance tool with power islands |
US7054695B2 (en) * | 2003-05-15 | 2006-05-30 | Fisher-Rosemount Systems, Inc. | Field maintenance tool with enhanced scripts |
US6925419B2 (en) * | 2003-05-16 | 2005-08-02 | Fisher-Rosemount Systems, Inc. | Intrinsically safe field maintenance tool with removable battery pack |
US8874402B2 (en) * | 2003-05-16 | 2014-10-28 | Fisher-Rosemount Systems, Inc. | Physical memory handling for handheld field maintenance tools |
US7526802B2 (en) * | 2003-05-16 | 2009-04-28 | Fisher-Rosemount Systems, Inc. | Memory authentication for intrinsically safe field maintenance tools |
US7036386B2 (en) * | 2003-05-16 | 2006-05-02 | Fisher-Rosemount Systems, Inc. | Multipurpose utility mounting assembly for handheld field maintenance tool |
US7199784B2 (en) * | 2003-05-16 | 2007-04-03 | Fisher Rosemount Systems, Inc. | One-handed operation of a handheld field maintenance tool |
US20050091554A1 (en) * | 2003-08-07 | 2005-04-28 | Dmitrii Loukianov | Event time-stamping |
US8041879B2 (en) * | 2005-02-18 | 2011-10-18 | Sandisk Il Ltd | Flash memory backup system and method |
US7571349B2 (en) * | 2006-08-18 | 2009-08-04 | Microsoft Corporation | Configuration replication for system recovery and migration |
JP5097820B2 (ja) * | 2007-06-13 | 2012-12-12 | フィッシャー−ローズマウント システムズ,インコーポレイテッド | 携帯用フィールドメンテナンス機器の機能改善方法 |
US20110047413A1 (en) * | 2009-08-20 | 2011-02-24 | Mcgill Robert E | Methods and devices for detecting service failures and maintaining computing services using a resilient intelligent client computer |
US20110161538A1 (en) * | 2009-12-31 | 2011-06-30 | Schneider Electric USA, Inc. | Method and System for Implementing Redundant Network Interface Modules in a Distributed I/O System |
US8495019B2 (en) | 2011-03-08 | 2013-07-23 | Ca, Inc. | System and method for providing assured recovery and replication |
US9331937B2 (en) * | 2012-04-18 | 2016-05-03 | Nicira, Inc. | Exchange of network state information between forwarding elements |
US9131015B2 (en) | 2012-10-08 | 2015-09-08 | Google Technology Holdings LLC | High availability event log collection in a networked system |
US8688862B1 (en) | 2012-11-07 | 2014-04-01 | General Electric Company | Systems and methods for monitoring input signal parameters |
WO2015191053A1 (en) * | 2014-06-10 | 2015-12-17 | Halliburton Energy Services, Inc. | Synchronization of receiver units over a control area network bus |
JP6299640B2 (ja) * | 2015-03-23 | 2018-03-28 | 横河電機株式会社 | 通信装置 |
US9967134B2 (en) | 2015-04-06 | 2018-05-08 | Nicira, Inc. | Reduction of network churn based on differences in input state |
US10204122B2 (en) | 2015-09-30 | 2019-02-12 | Nicira, Inc. | Implementing an interface between tuple and message-driven control entities |
US11019167B2 (en) | 2016-04-29 | 2021-05-25 | Nicira, Inc. | Management of update queues for network controller |
DE112017002494T5 (de) * | 2016-05-16 | 2019-02-28 | Fisher-Rosemount Systems, Inc. | Multiprotokoll-feldgerät in prozessleitsystemen |
US10503617B2 (en) | 2017-02-16 | 2019-12-10 | Honeywell International Inc. | Method for synchronizing redundant controllers without hardware support |
US11481282B2 (en) * | 2019-03-29 | 2022-10-25 | Honeywell International Inc. | Redundant controllers or input-output gateways without dedicated hardware |
US10924338B2 (en) * | 2019-03-29 | 2021-02-16 | Honeywell International Inc. | Controller application module orchestrator |
US11669065B2 (en) | 2019-06-09 | 2023-06-06 | Honeywell International Inc. | Digital input edge detection with smart filtering algorithm |
US11762742B2 (en) * | 2020-03-31 | 2023-09-19 | Honeywell International Inc. | Process control system with different hardware architecture controller backup |
US11989084B2 (en) | 2020-09-23 | 2024-05-21 | Honeywell International Inc. | Self-healing process control system |
US11874938B2 (en) | 2020-11-03 | 2024-01-16 | Honeywell International Inc. | Admittance mechanism |
EP4063974A1 (de) * | 2021-03-23 | 2022-09-28 | ABB Schweiz AG | Steuerung eines industriellen prozesses unter verwendung virtualisierter instanzen einer steuerungssoftware |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4890222A (en) * | 1984-12-17 | 1989-12-26 | Honeywell Inc. | Apparatus for substantially syncronizing the timing subsystems of the physical modules of a local area network |
US4751702A (en) * | 1986-02-10 | 1988-06-14 | International Business Machines Corporation | Improving availability of a restartable staged storage data base system that uses logging facilities |
US4805107A (en) * | 1987-04-15 | 1989-02-14 | Allied-Signal Inc. | Task scheduler for a fault tolerant multiple node processing system |
NZ229740A (en) * | 1988-07-11 | 1991-11-26 | Amdahl Corp | Improving data storage reliability: backup copy written into archive |
US5010560A (en) * | 1989-01-17 | 1991-04-23 | Marconi Instruments, Inc. | Data logging apparatus |
US5146401A (en) * | 1989-09-05 | 1992-09-08 | Honeywell Inc. | Apparatus for providing a universal interface in a process control system |
US5016244A (en) * | 1989-09-08 | 1991-05-14 | Honeywell Inc. | Method for controlling failover between redundant network interface modules |
US5233545A (en) * | 1989-09-19 | 1993-08-03 | Hewlett-Packard Company | Time interval triggering and hardware histogram generation |
US5170480A (en) * | 1989-09-25 | 1992-12-08 | International Business Machines Corporation | Concurrently applying redo records to backup database in a log sequence using single queue server per queue at a time |
US5136643A (en) * | 1989-10-13 | 1992-08-04 | Fischer Addison M | Public/key date-time notary facility |
FR2656441B1 (fr) * | 1989-12-22 | 1993-12-10 | Bull Sa | Procede securise d'ecriture rapide d'informations pour dispositif de memoire de masse. |
US5157667A (en) * | 1990-04-30 | 1992-10-20 | International Business Machines Corporation | Methods and apparatus for performing fault isolation and failure analysis in link-connected systems |
US5309555A (en) * | 1990-05-15 | 1994-05-03 | International Business Machines Corporation | Realtime communication of hand drawn images in a multiprogramming window environment |
US5181204A (en) * | 1990-06-27 | 1993-01-19 | Telefonaktienbolaget L M Ericsson | Method and apparatus for error tracking in a multitasking environment |
US5210756A (en) * | 1990-09-26 | 1993-05-11 | Honeywell Inc. | Fault detection in relay drive circuits |
US5136498A (en) * | 1990-09-26 | 1992-08-04 | Honeywell Inc. | Method for enacting failover of a 1:1 redundant pair of slave processors |
US5253184A (en) * | 1991-06-19 | 1993-10-12 | Storage Technology Corporation | Failure and performance tracking system |
US5278982A (en) * | 1991-12-23 | 1994-01-11 | International Business Machines Corporation | Log archive filtering method for transaction-consistent forward recovery from catastrophic media failures |
-
1993
- 1993-04-06 US US08/042,923 patent/US5426774A/en not_active Expired - Lifetime
-
1994
- 1994-04-05 DE DE69414392T patent/DE69414392T2/de not_active Expired - Lifetime
- 1994-04-05 WO PCT/US1994/003707 patent/WO1994023367A1/en active IP Right Grant
- 1994-04-05 EP EP94912955A patent/EP0707722B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10304706A1 (de) * | 2002-07-24 | 2004-02-05 | Kuka Roboter Gmbh | Verfahren und Vorrichtung zum Steuern einer Anlage |
Also Published As
Publication number | Publication date |
---|---|
EP0707722B1 (de) | 1998-11-04 |
WO1994023367A1 (en) | 1994-10-13 |
US5426774A (en) | 1995-06-20 |
EP0707722A1 (de) | 1996-04-24 |
DE69414392D1 (de) | 1998-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |