GB2308040A - Telecommunications system - Google Patents

Telecommunications system Download PDF

Info

Publication number
GB2308040A
GB2308040A GB9600681A GB9600681A GB2308040A GB 2308040 A GB2308040 A GB 2308040A GB 9600681 A GB9600681 A GB 9600681A GB 9600681 A GB9600681 A GB 9600681A GB 2308040 A GB2308040 A GB 2308040A
Authority
GB
United Kingdom
Prior art keywords
computer system
reserve
main computer
threads
task
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.)
Withdrawn
Application number
GB9600681A
Other languages
English (en)
Other versions
GB9600681D0 (en
Inventor
John Nichol
Martyn Howard
Stephen Turrell
William Nokes
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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
Priority claimed from GBGB9525214.4A external-priority patent/GB9525214D0/en
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to GB9600681A priority Critical patent/GB2308040A/en
Publication of GB9600681D0 publication Critical patent/GB9600681D0/en
Priority to PCT/GB1996/002961 priority patent/WO1997022208A2/fr
Publication of GB2308040A publication Critical patent/GB2308040A/en
Withdrawn legal-status Critical Current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
    • G06F11/20—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/25—Routing or path finding in a switch fabric
    • H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H04L49/255—Control mechanisms for ATM switching fabrics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0062—Provisions for network management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54541—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme using multi-processor systems
    • H04Q3/54558—Redundancy, stand-by
    • 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
    • G06F11/2033—Failover techniques switching over of hardware resources
    • 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
    • G06F11/2097—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 maintaining the standby controller/processing unit updated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13504—Indexing scheme relating to selecting arrangements in general and for multiplex systems client/server architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13521—Indexing scheme relating to selecting arrangements in general and for multiplex systems fault management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13526—Indexing scheme relating to selecting arrangements in general and for multiplex systems resource management

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Debugging And Monitoring (AREA)
  • Multi Processors (AREA)
  • Hardware Redundancy (AREA)
GB9600681A 1995-12-09 1996-01-12 Telecommunications system Withdrawn GB2308040A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9600681A GB2308040A (en) 1995-12-09 1996-01-12 Telecommunications system
PCT/GB1996/002961 WO1997022208A2 (fr) 1995-12-09 1996-11-29 Acces aux services dans un systeme de telecommunication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9525214.4A GB9525214D0 (en) 1995-12-09 1995-12-09 Providing access to services in a telecommunications system
GB9600681A GB2308040A (en) 1995-12-09 1996-01-12 Telecommunications system

Publications (2)

Publication Number Publication Date
GB9600681D0 GB9600681D0 (en) 1996-03-13
GB2308040A true GB2308040A (en) 1997-06-11

Family

ID=26308267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9600681A Withdrawn GB2308040A (en) 1995-12-09 1996-01-12 Telecommunications system

Country Status (2)

Country Link
GB (1) GB2308040A (fr)
WO (1) WO1997022208A2 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0889669A2 (fr) * 1997-07-03 1999-01-07 Philips Patentverwaltung GmbH Système de communication avec un canal spécial
WO1999034619A1 (fr) * 1997-12-31 1999-07-08 Alcatel Usa Sourcing, L.P. Systeme d'acheminement totalement flexible
WO2000050995A1 (fr) * 1999-02-25 2000-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Synchronisation d'etats entre systemes redondants
EP1133198A2 (fr) * 2000-03-08 2001-09-12 Tenovis GmbH & Co. KG Module de communication pour le fonctionnement d'un bus et systeme à plusieurs modules de communication
US6567376B1 (en) 1999-02-25 2003-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Using system frame number to implement timers in telecommunications system having redundancy
EP1335615A1 (fr) * 2002-02-12 2003-08-13 Alcatel Procédé de négociation de l'assignation du rôle actif ou passif à un moyen de contrôle d'un élément de réseau
DE10011268B4 (de) * 2000-03-08 2011-05-19 Tenovis Gmbh & Co. Kg Vermittlungseinrichtung

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6381321B1 (en) * 1998-05-04 2002-04-30 T-Netix, Inc. Telecommunication resource allocation system and method
GB2344018B (en) 1998-11-18 2003-06-25 Mitel Corp Remote peripheral switch backup call service mechanism
US8000269B1 (en) 2001-07-13 2011-08-16 Securus Technologies, Inc. Call processing with voice over internet protocol transmission
US7899167B1 (en) 2003-08-15 2011-03-01 Securus Technologies, Inc. Centralized call processing
US7916845B2 (en) 2006-04-13 2011-03-29 Securus Technologies, Inc. Unauthorized call activity detection and prevention systems and methods for a Voice over Internet Protocol environment
US7860222B1 (en) 2003-11-24 2010-12-28 Securus Technologies, Inc. Systems and methods for acquiring, accessing, and analyzing investigative information
US9026468B2 (en) 2002-04-29 2015-05-05 Securus Technologies, Inc. System and method for proactively establishing a third-party payment account for services rendered to a resident of a controlled-environment facility
US9020114B2 (en) 2002-04-29 2015-04-28 Securus Technologies, Inc. Systems and methods for detecting a call anomaly using biometric identification
US7529357B1 (en) 2003-08-15 2009-05-05 Evercom Systems, Inc. Inmate management and call processing systems and methods
US10796392B1 (en) 2007-05-22 2020-10-06 Securus Technologies, Llc Systems and methods for facilitating booking, bonding and release
US9135097B2 (en) 2012-03-27 2015-09-15 Oracle International Corporation Node death detection by querying

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710926A (en) * 1985-12-27 1987-12-01 American Telephone And Telegraph Company, At&T Bell Laboratories Fault recovery in a distributed processing system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5084816A (en) * 1987-11-25 1992-01-28 Bell Communications Research, Inc. Real time fault tolerant transaction processing system
US5063500A (en) * 1988-09-29 1991-11-05 Ibm Corp. System for executing segments of application program concurrently/serially on different/same virtual machine
US4959768A (en) * 1989-01-23 1990-09-25 Honeywell Inc. Apparatus for tracking predetermined data for updating a secondary data base
EP0381655A3 (fr) * 1989-01-31 1992-12-02 International Business Machines Corporation Méthode de synchronisation de l'attribution des tâches entre des systèmes opérationnels multitâches
EP0441087B1 (fr) * 1990-02-08 1995-08-16 International Business Machines Corporation Mécanisme d'attribution de points de contrôle pour systèmes tolérants les fautes
US5157663A (en) * 1990-09-24 1992-10-20 Novell, Inc. Fault tolerant computer system
US5249290A (en) * 1991-02-22 1993-09-28 At&T Bell Laboratories Method of and apparatus for operating a client/server computer network
US5448723A (en) * 1993-10-15 1995-09-05 Tandem Computers Incorporated Method and apparatus for fault tolerant connection of a computing system to local area networks

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710926A (en) * 1985-12-27 1987-12-01 American Telephone And Telegraph Company, At&T Bell Laboratories Fault recovery in a distributed processing system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0889669A2 (fr) * 1997-07-03 1999-01-07 Philips Patentverwaltung GmbH Système de communication avec un canal spécial
EP0889669A3 (fr) * 1997-07-03 2000-03-29 Philips Patentverwaltung GmbH Système de communication avec un canal spécial
WO1999034619A1 (fr) * 1997-12-31 1999-07-08 Alcatel Usa Sourcing, L.P. Systeme d'acheminement totalement flexible
US6064726A (en) * 1997-12-31 2000-05-16 Alcatel Usa Sourcing, L.P. Fully flexible routing system
WO2000050995A1 (fr) * 1999-02-25 2000-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Synchronisation d'etats entre systemes redondants
US6470462B1 (en) 1999-02-25 2002-10-22 Telefonaktiebolaget Lm Ericsson (Publ) Simultaneous resynchronization by command for state machines in redundant systems
US6567376B1 (en) 1999-02-25 2003-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Using system frame number to implement timers in telecommunications system having redundancy
EP1133198A2 (fr) * 2000-03-08 2001-09-12 Tenovis GmbH & Co. KG Module de communication pour le fonctionnement d'un bus et systeme à plusieurs modules de communication
EP1133198A3 (fr) * 2000-03-08 2004-01-07 Tenovis GmbH & Co. KG Module de communication pour le fonctionnement d'un bus et systeme à plusieurs modules de communication
DE10011268B4 (de) * 2000-03-08 2011-05-19 Tenovis Gmbh & Co. Kg Vermittlungseinrichtung
EP1335615A1 (fr) * 2002-02-12 2003-08-13 Alcatel Procédé de négociation de l'assignation du rôle actif ou passif à un moyen de contrôle d'un élément de réseau
US7394759B2 (en) 2002-02-12 2008-07-01 Alcatel Method of negotiating an active or a passive role assignment to a control means of a network element, a control means, a program module and a network element therefor

Also Published As

Publication number Publication date
WO1997022208A3 (fr) 1997-11-20
WO1997022208A2 (fr) 1997-06-19
GB9600681D0 (en) 1996-03-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)