EP0820669A4 - Data network switch with fault tolerance - Google Patents

Data network switch with fault tolerance

Info

Publication number
EP0820669A4
EP0820669A4 EP96911721A EP96911721A EP0820669A4 EP 0820669 A4 EP0820669 A4 EP 0820669A4 EP 96911721 A EP96911721 A EP 96911721A EP 96911721 A EP96911721 A EP 96911721A EP 0820669 A4 EP0820669 A4 EP 0820669A4
Authority
EP
European Patent Office
Prior art keywords
data network
network switch
fault tolerance
fault
tolerance
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Withdrawn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
EP96911721A
Other languages
German (de)
French (fr)
Other versions
EP0820669A1 (en
Inventor
Trevor Jones
Richard Barnett
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.)
General Datacomm Inc
Original Assignee
General Datacomm 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 General Datacomm Inc filed Critical General Datacomm Inc
Publication of EP0820669A1 publication Critical patent/EP0820669A1/en
Publication of EP0820669A4 publication Critical patent/EP0820669A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H04L49/104—Asynchronous transfer mode [ATM] switching fabrics
    • H04L49/105—ATM switching elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/55—Prevention, detection or correction of errors
    • H04L49/557—Error correction, e.g. fault recovery or fault tolerance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5625—Operations, administration and maintenance [OAM]
    • H04L2012/5627—Fault tolerance and recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/20—Support for services
    • H04L49/205—Quality of Service based
EP96911721A 1995-04-11 1996-04-09 Data network switch with fault tolerance Withdrawn EP0820669A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9507454A GB9507454D0 (en) 1995-04-11 1995-04-11 Data network switch with fault tolerance
GB9507454 1995-04-11
PCT/US1996/005029 WO1996032790A1 (en) 1995-04-11 1996-04-09 Data network switch with fault tolerance

Publications (2)

Publication Number Publication Date
EP0820669A1 EP0820669A1 (en) 1998-01-28
EP0820669A4 true EP0820669A4 (en) 2001-04-25

Family

ID=10772857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96911721A Withdrawn EP0820669A4 (en) 1995-04-11 1996-04-09 Data network switch with fault tolerance

Country Status (4)

Country Link
EP (1) EP0820669A4 (en)
CA (1) CA2213276A1 (en)
GB (2) GB9507454D0 (en)
WO (1) WO1996032790A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5959972A (en) * 1997-05-27 1999-09-28 3Com Corporation Method of port/link redundancy in an ATM switch
US6381219B1 (en) * 1998-11-10 2002-04-30 Northern Telecom Limited Channel integrity in a voice-on-ATM network
DE19906195B4 (en) * 1999-02-15 2011-02-24 Tenovis Gmbh & Co. Kg Duplicated transmission network and operating method for it
EP1071244A3 (en) * 1999-06-22 2002-07-03 Tenovis GmbH & Co. KG Communication network with redundant paths
DE19928484A1 (en) * 1999-06-22 2000-12-28 Bosch Gmbh Robert Data communications in duplicated network involves deciding in nodes whether to pass data packets, which it has received via horizontal connecting path, over horizontal or vertical path
EP1073230A1 (en) * 1999-07-06 2001-01-31 Siemens Aktiengesellschaft Methode for realising redundancy circuits of telecommunication devices for the transmission of data packets

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5072440A (en) * 1989-03-01 1991-12-10 Fujitsu Limited Self-routing switching system having dual self-routing switch module network structure
CA2045460C (en) * 1989-11-29 1996-06-11 Yumiko Kato Switching system for atm switch duplexed system
JPH05130134A (en) * 1991-11-08 1993-05-25 Fujitsu Ltd System changeover system in atm exchange
CA2105268C (en) * 1992-12-28 1999-07-13 Shahrukh S. Merchant Resynchronization of asynchronous transfer mode (atm) switch fabric
SE516073C2 (en) * 1993-02-15 2001-11-12 Ericsson Telefon Ab L M Methods for handling redundant selector planes in packet switches and packet switches for execution of the method
US5459606A (en) * 1993-05-10 1995-10-17 At&T Ipm Corp. In-service upgrade for a telecommunication system
JP2906371B2 (en) * 1993-09-20 1999-06-21 富士通株式会社 System switching method
US5436886A (en) * 1994-07-14 1995-07-25 Northern Telecom Limited ATM switch in dual switch plane operation

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FISCHER W ET AL: "A SCALABLE ATM SWITCHING SYSTEM ARCHITECTURE", IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS,US,IEEE INC. NEW YORK, vol. 9, no. 8, 1 October 1991 (1991-10-01), pages 1299 - 1307, XP000267581, ISSN: 0733-8716 *
PATTAVINA A: "BROADBAND SWITCHING SYSTEMS: FIRST GENERATION", EUROPEAN TRANSACTIONS ON TELECOMMUNICATIONS AND RELATED TECHNOLOGIES,IT,AEI, MILANO, vol. 2, no. 1, 1991, pages 75 - 87, XP000225471, ISSN: 1120-3862 *
See also references of WO9632790A1 *

Also Published As

Publication number Publication date
GB9607539D0 (en) 1996-06-12
WO1996032790A1 (en) 1996-10-17
EP0820669A1 (en) 1998-01-28
GB9507454D0 (en) 1995-05-31
CA2213276A1 (en) 1996-10-17
GB2299914A (en) 1996-10-16
GB2299914B (en) 2000-03-22

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