DE69032708D1 - Protokoll für Lese- und Schreibübertragungen - Google Patents

Protokoll für Lese- und Schreibübertragungen

Info

Publication number
DE69032708D1
DE69032708D1 DE69032708T DE69032708T DE69032708D1 DE 69032708 D1 DE69032708 D1 DE 69032708D1 DE 69032708 T DE69032708 T DE 69032708T DE 69032708 T DE69032708 T DE 69032708T DE 69032708 D1 DE69032708 D1 DE 69032708D1
Authority
DE
Germany
Prior art keywords
switching logic
read
addresses
order
system resource
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
DE69032708T
Other languages
English (en)
Other versions
DE69032708T2 (de
Inventor
Ajai Thirumalai
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
Publication of DE69032708D1 publication Critical patent/DE69032708D1/de
Application granted granted Critical
Publication of DE69032708T2 publication Critical patent/DE69032708T2/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
    • G06F11/165—Error detection by comparing the output of redundant processing systems with continued operation after detection of the error
    • 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
    • G06F11/1658—Data re-synchronization of a redundant component, or initial sync of replacement, additional or spare unit
    • 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
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • 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
    • G06F11/2017—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 memory access, memory control or I/O control functionality is redundant
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/163—Interprocessor communication
    • G06F15/17—Interprocessor communication using an input/output type connection, e.g. channel, I/O port
    • 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
    • G06F2201/845—Systems in which the redundancy can be transformed in increased performance

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Multi Processors (AREA)
  • Communication Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Hardware Redundancy (AREA)
DE69032708T 1989-08-01 1990-07-20 Protokoll für Lese- und Schreibübertragungen Expired - Fee Related DE69032708T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/388,029 US5163138A (en) 1989-08-01 1989-08-01 Protocol for read write transfers via switching logic by transmitting and retransmitting an address

Publications (2)

Publication Number Publication Date
DE69032708D1 true DE69032708D1 (de) 1998-11-26
DE69032708T2 DE69032708T2 (de) 1999-04-29

Family

ID=23532336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69032708T Expired - Fee Related DE69032708T2 (de) 1989-08-01 1990-07-20 Protokoll für Lese- und Schreibübertragungen

Country Status (6)

Country Link
US (1) US5163138A (de)
EP (1) EP0415552B1 (de)
JP (1) JPH03182957A (de)
AT (1) ATE172558T1 (de)
CA (1) CA2022230A1 (de)
DE (1) DE69032708T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3917715A1 (de) * 1989-05-31 1990-12-06 Teldix Gmbh Rechnersystem
US5920704A (en) * 1991-03-29 1999-07-06 International Business Machines Corporation Dynamic routing switch apparatus with clocked signal regeneration
CA2075774C (en) * 1991-08-27 2000-10-17 Jeff D. Pipkins Bidirectional parallel protocol
JPH05324544A (ja) * 1992-05-15 1993-12-07 Hitachi Ltd バス制御方法
CA2097564C (en) * 1992-06-16 2004-05-25 David L. Phillips Method of coupling open systems to a proprietary network
US5796944A (en) * 1995-07-12 1998-08-18 3Com Corporation Apparatus and method for processing data frames in an internetworking device
US5825774A (en) * 1995-07-12 1998-10-20 3Com Corporation Packet characterization using code vectors
US5748633A (en) * 1995-07-12 1998-05-05 3Com Corporation Method and apparatus for the concurrent reception and transmission of packets in a communications internetworking device
US5812775A (en) * 1995-07-12 1998-09-22 3Com Corporation Method and apparatus for internetworking buffer management
US5651002A (en) * 1995-07-12 1997-07-22 3Com Corporation Internetworking device with enhanced packet header translation and memory
US5815571A (en) * 1996-10-28 1998-09-29 Finley; Phillip Scott Computer system with secured data paths and method of protection
US7096358B2 (en) 1998-05-07 2006-08-22 Maz Technologies, Inc. Encrypting file system
US6516371B1 (en) * 1999-05-27 2003-02-04 Advanced Micro Devices, Inc. Network interface device for accessing data stored in buffer memory locations defined by programmable read pointer information
WO2008001344A2 (en) * 2006-06-27 2008-01-03 Waterfall Solutions Ltd One way secure link
IL180020A (en) * 2006-12-12 2013-03-24 Waterfall Security Solutions Ltd Encryption -and decryption-enabled interfaces
IL180748A (en) * 2007-01-16 2013-03-24 Waterfall Security Solutions Ltd Secure archive
US9635037B2 (en) 2012-09-06 2017-04-25 Waterfall Security Solutions Ltd. Remote control of secure installations
US9983953B2 (en) * 2012-12-20 2018-05-29 Intel Corporation Multiple computer system processing write data outside of checkpointing
US9419975B2 (en) 2013-04-22 2016-08-16 Waterfall Security Solutions Ltd. Bi-directional communication over a one-way link
IL235175A (en) 2014-10-19 2017-08-31 Frenkel Lior Secure desktop remote control
IL250010B (en) 2016-02-14 2020-04-30 Waterfall Security Solutions Ltd Secure connection with protected facilities

Family Cites Families (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT285689B (de) * 1968-03-29 1970-11-10 Siemens Ag Zentralgesteuerte Vermittlungsanlage der Fernmelde-, insbesondere Fernsprechtechnik
US3665173A (en) * 1968-09-03 1972-05-23 Ibm Triple modular redundancy/sparing
US3864670A (en) * 1970-09-30 1975-02-04 Yokogawa Electric Works Ltd Dual computer system with signal exchange system
SE347826B (de) * 1970-11-20 1972-08-14 Ericsson Telefon Ab L M
FR2182259A5 (de) * 1972-04-24 1973-12-07 Cii
US3898621A (en) * 1973-04-06 1975-08-05 Gte Automatic Electric Lab Inc Data processor system diagnostic arrangement
US4099241A (en) * 1973-10-30 1978-07-04 Telefonaktiebolaget L M Ericsson Apparatus for facilitating a cooperation between an executive computer and a reserve computer
US4031372A (en) * 1973-11-06 1977-06-21 Westinghouse Electric Corporation System for manually or automatically transferring control between computers without power generation disturbance in an electric power plant or steam turbine operated by a multiple computer control system
CH623669A5 (de) * 1973-11-14 1981-06-15 Agie Ag Ind Elektronik
US3873819A (en) * 1973-12-10 1975-03-25 Honeywell Inf Systems Apparatus and method for fault-condition signal processing
IT1014277B (it) * 1974-06-03 1977-04-20 Cselt Centro Studi Lab Telecom Sistema di controllo di elaboratori di processo operanti in parallelo
US4313160A (en) * 1976-08-17 1982-01-26 Computer Automation, Inc. Distributed input/output controller system
US4228496A (en) * 1976-09-07 1980-10-14 Tandem Computers Incorporated Multiprocessor system
US4099234A (en) * 1976-11-15 1978-07-04 Honeywell Information Systems Inc. Input/output processing system utilizing locked processors
SE397013B (sv) * 1976-12-17 1977-10-10 Ellemtel Utvecklings Ab Sett och anordning for att overfora datainformationer till tva parallellt arbetande datamaskindelar
US4358823A (en) * 1977-03-25 1982-11-09 Trw, Inc. Double redundant processor
US4141066A (en) * 1977-09-13 1979-02-20 Honeywell Inc. Process control system with backup process controller
US4153318A (en) * 1977-10-17 1979-05-08 Square D Company Bus stab for panelboard assembly
JPS6016664B2 (ja) * 1977-10-28 1985-04-26 豊田工機株式会社 デ−タ転送装置
US4403282A (en) * 1978-01-23 1983-09-06 Data General Corporation Data processing system using a high speed data channel for providing direct memory access for block data transfers
DE2813383A1 (de) * 1978-03-28 1979-10-11 Siemens Ag Datensende/-empfangs-einrichtung mit parallel/seriell- und seriell/parallel- zeichen-umsetzung, insbesondere zum datenaustausch zwischen kommunizierenden datenverarbeitungsanlagen
GB2019622B (en) * 1978-04-14 1982-04-07 Lucas Industries Ltd Digital computing apparatus
US4200226A (en) * 1978-07-12 1980-04-29 Euteco S.P.A. Parallel multiprocessing system for an industrial plant
US4270168A (en) * 1978-08-31 1981-05-26 United Technologies Corporation Selective disablement in fail-operational, fail-safe multi-computer control system
US4268902A (en) * 1978-10-23 1981-05-19 International Business Machines Corporation Maintenance interface for a service processor-central processing unit computer system
US4495571A (en) * 1979-01-31 1985-01-22 Honeywell Information Systems Inc. Data processing system having synchronous bus wait/retry cycle
JPS55106976A (en) * 1979-02-02 1980-08-16 Hitachi Ltd Controller for elevator
US4245344A (en) * 1979-04-02 1981-01-13 Rockwell International Corporation Processing system with dual buses
US4253147A (en) * 1979-04-09 1981-02-24 Rockwell International Corporation Memory unit with pipelined cycle of operations
US4377843A (en) * 1979-04-19 1983-03-22 Wescom Switching, Inc. Data distribution interface
DE2920994A1 (de) * 1979-05-23 1980-11-27 Siemens Ag Datensende/-empfangseinrichtung mit parallel/seriell- und seriell/parallel- zeichenumsetzung, insbesondere zum datenaustausch zwischen kommunizierenden datenverarbeitungsanlagen
US4428044A (en) * 1979-09-20 1984-01-24 Bell Telephone Laboratories, Incorporated Peripheral unit controller
DE3003291C2 (de) * 1980-01-30 1983-02-24 Siemens AG, 1000 Berlin und 8000 München Zweikanalige Datenverarbeitungsanordnung für Eisenbahnsicherungszwecke
US4330826A (en) * 1980-02-05 1982-05-18 The Bendix Corporation Synchronizer and synchronization system for a multiple computer system
FR2477809B1 (fr) * 1980-03-10 1987-08-21 Jeumont Schneider Systeme de transmission rapide de messages entre calculateurs
US4365293A (en) * 1980-03-28 1982-12-21 Pitney Bowes Inc. Serial communications bus for remote terminals
US4371754A (en) * 1980-11-19 1983-02-01 Rockwell International Corporation Automatic fault recovery system for a multiple processor telecommunications switching control
US4418343A (en) * 1981-02-19 1983-11-29 Honeywell Information Systems Inc. CRT Refresh memory system
US4424565A (en) * 1981-06-22 1984-01-03 Bell Telephone Laboratories, Incorporated Channel interface circuit with high speed data message header field translation and direct memory access
US4456957A (en) * 1981-09-28 1984-06-26 Ncr Corporation Apparatus using a decision table for routing data among terminals and a host system
US4597084A (en) * 1981-10-01 1986-06-24 Stratus Computer, Inc. Computer memory apparatus
US4486826A (en) * 1981-10-01 1984-12-04 Stratus Computer, Inc. Computer peripheral control apparatus
JPS5892025A (ja) * 1981-11-26 1983-06-01 Hitachi Ltd デ−タ処理方式
IT1151351B (it) * 1982-01-19 1986-12-17 Italtel Spa Disposizione circuitale atta a realizzare lo scambio di dati tra una coppia di elaboratori operanti secondo il principio master-slave
US4574284A (en) * 1983-01-26 1986-03-04 Trw Inc. Communication bus interface unit
US4541094A (en) * 1983-03-21 1985-09-10 Sequoia Systems, Inc. Self-checking computer circuitry
US4602327A (en) * 1983-07-28 1986-07-22 Motorola, Inc. Bus master capable of relinquishing bus on request and retrying bus cycle
US4649533A (en) * 1983-10-25 1987-03-10 Keycom Electronic Publishing Method and apparatus for retrieving remotely located information
US4610013A (en) * 1983-11-08 1986-09-02 Avco Corporation Remote multiplexer terminal with redundant central processor units
US4569017A (en) * 1983-12-22 1986-02-04 Gte Automatic Electric Incorporated Duplex central processing unit synchronization circuit
EP0148297B1 (de) * 1984-01-09 1993-12-15 Hitachi, Ltd. Synchrones dezentralisiertes Verarbeitungssystem
US4589066A (en) * 1984-05-31 1986-05-13 General Electric Company Fault tolerant, frame synchronization for multiple processor systems
US4768145A (en) * 1984-11-28 1988-08-30 Hewlett-Packard Company Bus system
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
JPH0690682B2 (ja) * 1987-02-28 1994-11-14 日本電気株式会社 マルチプロセツサシステムの障害処理方式
EP0306211A3 (de) * 1987-09-04 1990-09-26 Digital Equipment Corporation Synchronisiertes Doppelrechnersystem
US4916704A (en) * 1987-09-04 1990-04-10 Digital Equipment Corporation Interface of non-fault tolerant components to fault tolerant system
CA1320276C (en) * 1987-09-04 1993-07-13 William F. Bruckert Dual rail processors with error checking on i/o reads
DE3854026D1 (de) * 1987-09-04 1995-07-27 Digital Equipment Corp Fehlertolerantes Rechnersystem mit Fehler-Eingrenzung.

Also Published As

Publication number Publication date
EP0415552A2 (de) 1991-03-06
CA2022230A1 (en) 1991-02-02
JPH03182957A (ja) 1991-08-08
US5163138A (en) 1992-11-10
EP0415552A3 (en) 1993-07-14
ATE172558T1 (de) 1998-11-15
DE69032708T2 (de) 1999-04-29
EP0415552B1 (de) 1998-10-21

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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