EP0820669A4 - Data network switch with fault tolerance - Google Patents
Data network switch with fault toleranceInfo
- 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- Withdrawn
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9507454 | 1995-04-11 | ||
GB9507454A GB9507454D0 (en) | 1995-04-11 | 1995-04-11 | Data network switch with fault tolerance |
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)
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 |
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 |
EP1071244A3 (en) * | 1999-06-22 | 2002-07-03 | Tenovis GmbH & Co. KG | Communication network with redundant paths |
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)
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 |
WO1991008632A1 (en) * | 1989-11-29 | 1991-06-13 | Fujitsu Limited | Changing over method for doubled atm switch 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 |
-
1995
- 1995-04-11 GB GB9507454A patent/GB9507454D0/en active Pending
-
1996
- 1996-04-09 WO PCT/US1996/005029 patent/WO1996032790A1/en not_active Application Discontinuation
- 1996-04-09 CA CA 2213276 patent/CA2213276A1/en not_active Abandoned
- 1996-04-09 EP EP96911721A patent/EP0820669A4/en not_active Withdrawn
- 1996-04-11 GB GB9607539A patent/GB2299914B/en not_active Expired - Fee Related
Non-Patent Citations (3)
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 |
---|---|
GB2299914A (en) | 1996-10-16 |
CA2213276A1 (en) | 1996-10-17 |
EP0820669A1 (en) | 1998-01-28 |
GB9607539D0 (en) | 1996-06-12 |
GB9507454D0 (en) | 1995-05-31 |
WO1996032790A1 (en) | 1996-10-17 |
GB2299914B (en) | 2000-03-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19971111 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20010309 |
|
AK | Designated contracting states |
Kind code of ref document: A4 Designated state(s): DE FR GB |
|
RIC1 | Information provided on ipc code assigned before grant |
Free format text: 7H 04L 12/56 A |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20011207 |