JPS5726955A - Backup control system - Google Patents

Backup control system

Info

Publication number
JPS5726955A
JPS5726955A JP10115380A JP10115380A JPS5726955A JP S5726955 A JPS5726955 A JP S5726955A JP 10115380 A JP10115380 A JP 10115380A JP 10115380 A JP10115380 A JP 10115380A JP S5726955 A JPS5726955 A JP S5726955A
Authority
JP
Japan
Prior art keywords
load
nwm
module
capacity
failure
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.)
Granted
Application number
JP10115380A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0147944B2 (en, 2012
Inventor
Yoshiaki Tanoka
Koichi Yamamoto
Tahei Suzuki
Takuji Mukaemachi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10115380A priority Critical patent/JPS5726955A/ja
Priority to GB8122527A priority patent/GB2083975B/en
Priority to SE8104530A priority patent/SE8104530L/
Priority to US06/286,517 priority patent/US4455645A/en
Publication of JPS5726955A publication Critical patent/JPS5726955A/ja
Publication of JPH0147944B2 publication Critical patent/JPH0147944B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
JP10115380A 1980-07-25 1980-07-25 Backup control system Granted JPS5726955A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP10115380A JPS5726955A (en) 1980-07-25 1980-07-25 Backup control system
GB8122527A GB2083975B (en) 1980-07-25 1981-07-22 Back-up control system
SE8104530A SE8104530L (sv) 1980-07-25 1981-07-24 Reservstyrsystem
US06/286,517 US4455645A (en) 1980-07-25 1981-07-24 Back-up control system implemented with a redundancy scheme for protection against failure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10115380A JPS5726955A (en) 1980-07-25 1980-07-25 Backup control system

Publications (2)

Publication Number Publication Date
JPS5726955A true JPS5726955A (en) 1982-02-13
JPH0147944B2 JPH0147944B2 (en, 2012) 1989-10-17

Family

ID=14293097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10115380A Granted JPS5726955A (en) 1980-07-25 1980-07-25 Backup control system

Country Status (4)

Country Link
US (1) US4455645A (en, 2012)
JP (1) JPS5726955A (en, 2012)
GB (1) GB2083975B (en, 2012)
SE (1) SE8104530L (en, 2012)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61122087U (en, 2012) * 1985-01-18 1986-08-01
JPS61181249A (ja) * 1985-02-07 1986-08-13 Hitachi Ltd 通話路切替方法
JP2006254083A (ja) * 2005-03-10 2006-09-21 Hitachi Communication Technologies Ltd Ｉｐ電話システム

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58175335A (ja) * 1982-04-07 1983-10-14 Hitachi Ltd ル−プ式デ−タ伝送システムのル−プバツク制御方法
GB2125254B (en) * 1982-07-30 1985-10-23 Plessey Company The Telecommunications digital switchblock
US4527157A (en) * 1982-09-30 1985-07-02 Gte Automatic Electric Inc. Single fault tolerant CCIS data link arrangement
FR2535140B1 (fr) * 1982-10-26 1988-02-05 Thomson Csf Mat Tel Autocommutateur electronique temporel numerique mic a architecture decentralisee
US4875037A (en) * 1982-10-29 1989-10-17 American Telephone And Telegraph Company, At&T Bell Laboratories Automatic rerouting of calls through data buses
US4497054A (en) * 1983-04-29 1985-01-29 Honeywell Inc. One-for-N redundancy in a digital switch matrix
US4514844A (en) * 1983-06-22 1985-04-30 Gte Automatic Electric Inc. Duplex digital span transmission circuit arrangement
US4550397A (en) * 1983-12-16 1985-10-29 At&T Bell Laboratories Alternate paths in a self-routing packet switching network
US4654842A (en) * 1984-08-02 1987-03-31 Coraluppi Giorgio L Rearrangeable full availability multistage switching network with redundant conductors
JPS61111037A (ja) * 1984-11-05 1986-05-29 Nec Corp 回線切替方式
CN86101707B (zh) * 1985-02-13 1988-12-14 日本电气株式会社 分布控制式电子交换系统
US4754480A (en) * 1985-04-03 1988-06-28 Siemens Aktiengesellschaft Circuit arrangement for telecommunication switching systems connected to line concentrator sub-exchanges by connecting channels
US4646286A (en) * 1985-07-30 1987-02-24 Northern Telecom Limited Communications system with protection switching and channel identities
US4837760A (en) * 1985-08-02 1989-06-06 Northern Telecom Limited Communications system with protection switching using individual selectors
US4731825A (en) * 1986-01-27 1988-03-15 Tellabs, Inc. Nonblocking switching system and method
GB2188813B (en) * 1986-04-01 1990-03-14 Stc Plc Switching network
US5079740A (en) * 1987-01-12 1992-01-07 Ncr Corporation System and method of providing an automatic back-up primary terminal for a cluster of secondary terminals
DE3889550T2 (de) * 1987-01-12 1994-09-01 Fujitsu Ltd Datenübertragungspufferschaltungen für Datenaustausch.
GB8705771D0 (en) * 1987-03-11 1987-04-15 Plessey Co Plc Synchronisation arrangements
DE3802579A1 (de) * 1988-01-29 1989-08-10 Ant Nachrichtentech Dreistufiges blockierungsfreies koppelfeld
US4873631A (en) * 1988-04-25 1989-10-10 Ncr Corporation Point of sale automatic back-up system and method
US4952930A (en) * 1988-11-18 1990-08-28 International Business Machines Corp. Multipath hierarchical network
DE3902243A1 (de) * 1989-01-26 1990-08-09 Standard Elektrik Lorenz Ag Verfahren zum schalten von digitalsignal-verbindungen in uebertragungsnetzen
US5333187A (en) * 1989-04-28 1994-07-26 Hitachi, Ltd. Switching system for electronic switcher
US5214692A (en) * 1989-11-13 1993-05-25 Aspect Telecommunications Corporation Bypass for telephone switching system
EP0453607B1 (de) * 1990-04-27 1994-09-07 Siemens Aktiengesellschaft Verfahren und Schaltungsanordnung zur Reduzierung des Verlustes von Nachrichtenpaketen, die über eine Paketvermittlungseinrichtung übertragen werden
JP2666533B2 (ja) * 1990-08-06 1997-10-22 日本電気株式会社 スイツチモジユール
US5229990A (en) * 1990-10-03 1993-07-20 At&T Bell Laboratories N+K sparing in a telecommunications switching environment
JPH0549058A (ja) * 1991-08-16 1993-02-26 Fujitsu Ltd リソース整合処理方式
JPH0831856B2 (ja) * 1991-08-16 1996-03-27 インターナショナル・ビジネス・マシーンズ・コーポレイション 故障信号搬送ラインを予備信号搬送ラインで置き換える装置及び方法
US5377180A (en) * 1991-12-23 1994-12-27 U.S. Philips Corporation Data switching device
US5740157A (en) * 1992-05-21 1998-04-14 Alcatel Network Systems, Inc. Distributed control methodology and mechanism for implementing automatic protection switching
US5454025A (en) * 1992-11-12 1995-09-26 Mulrow; Robert J. Switch bypass for a public safety calling system
US5377181A (en) * 1993-04-19 1994-12-27 Linear Switch Corp. Signal switching system
JPH0795132A (ja) * 1993-09-20 1995-04-07 Fujitsu Ltd 冗長系伝送路運用方式
US5515501A (en) * 1994-01-21 1996-05-07 Unisys Corporation Redundant maintenance architecture
US5649152A (en) * 1994-10-13 1997-07-15 Vinca Corporation Method and system for providing a static snapshot of data stored on a mass storage system
US5835953A (en) * 1994-10-13 1998-11-10 Vinca Corporation Backup system that takes a snapshot of the locations in a mass storage device that has been identified for updating prior to updating
JP2728066B2 (ja) * 1995-12-07 1998-03-18 日本電気株式会社 ユニット切替装置
US5675768A (en) * 1996-02-01 1997-10-07 Unisys Corporation Store software instrumentation package instruction
US6577728B1 (en) * 1996-03-29 2003-06-10 Siemens Information And Communication Networks, Inc. Method of providing continual network access for subscriber communication lines
US6393581B1 (en) 1996-08-29 2002-05-21 Cornell Research Foundation, Inc. Reliable time delay-constrained cluster computing
US5883939A (en) * 1996-08-29 1999-03-16 Cornell Research Foundation, Inc. Distributed architecture for an intelligent networking coprocessor
US6005920A (en) * 1997-01-03 1999-12-21 Ncr Corporation Call center with fault resilient server-switch link
JPH11355868A (ja) * 1998-06-05 1999-12-24 Fujitsu Ltd 交換装置
US6202170B1 (en) * 1998-07-23 2001-03-13 Lucent Technologies Inc. Equipment protection system
US6282169B1 (en) * 1999-06-11 2001-08-28 Amplify.Net Inc. Serial redundant bypass control mechanism for maintaining network bandwidth management service
DE19961132C1 (de) * 1999-12-17 2001-06-28 Siemens Ag Zeit- /Raumkoppelbaustein mit Mehrfachfunktionalität
US20080045254A1 (en) * 2006-08-15 2008-02-21 Motorola, Inc. Method and Apparatus for Maximizing Resource Utilization of Base Stations in a Communication Network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2302654A1 (fr) * 1975-02-25 1976-09-24 Thomson Csf Autocommutateur a commutation temporelle, procede de reconfiguration d'un tel autocommutateur
DE2819126C2 (de) * 1978-04-29 1979-11-22 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Mehrstufiges, eine Umkehrgruppierung aufweisendes Koppelnetz für eine PCM-Vermittlungsanlage
FR2429534A1 (fr) * 1978-06-19 1980-01-18 Cit Alcatel Reseau de connexion pour multiplex, a qualite de service accrue
US4266293A (en) * 1979-06-01 1981-05-05 Farinon Corporation Protection control unit for a TDM system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61122087U (en, 2012) * 1985-01-18 1986-08-01
JPS61181249A (ja) * 1985-02-07 1986-08-13 Hitachi Ltd 通話路切替方法
JP2006254083A (ja) * 2005-03-10 2006-09-21 Hitachi Communication Technologies Ltd Ｉｐ電話システム

Also Published As

Publication number Publication date
GB2083975A (en) 1982-03-31
GB2083975B (en) 1984-07-11
US4455645A (en) 1984-06-19
JPH0147944B2 (en, 2012) 1989-10-17
SE8104530L (sv) 1982-01-26

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