WO1998026611A3 - Switch fabric switchover in an atm network switch - Google Patents

Switch fabric switchover in an atm network switch Download PDF

Info

Publication number
WO1998026611A3
WO1998026611A3 PCT/US1997/022456 US9722456W WO9826611A3 WO 1998026611 A3 WO1998026611 A3 WO 1998026611A3 US 9722456 W US9722456 W US 9722456W WO 9826611 A3 WO9826611 A3 WO 9826611A3
Authority
WO
WIPO (PCT)
Prior art keywords
switch
switchover
active
atm network
switch fabric
Prior art date
Application number
PCT/US1997/022456
Other languages
French (fr)
Other versions
WO1998026611A2 (en
Inventor
Mahesh N Ganmukhi
Original Assignee
Cascade Communications 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 Cascade Communications Corp filed Critical Cascade Communications Corp
Priority to AU55957/98A priority Critical patent/AU5595798A/en
Publication of WO1998026611A2 publication Critical patent/WO1998026611A2/en
Publication of WO1998026611A3 publication Critical patent/WO1998026611A3/en

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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • 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

Abstract

An apparatus for performing switchover in a network switch (10) having first and second switch fabrics (16a, 16b) from one of the switch fabrics to the other, while avoiding cell loss during the switchover. One of the switch fabrics (16a, 16b) is active while the other is in a stand-by mode. Switchover occurs immediately following detection of conditions indicating that the active switch fabric (16a) has fully drained, or following a timeout which assures full drainage of the active switch fabric (16a) under worst case conditions.
PCT/US1997/022456 1996-12-12 1997-12-09 Switch fabric switchover in an atm network switch WO1998026611A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU55957/98A AU5595798A (en) 1996-12-12 1997-12-09 Switch fabric switchover in an atm network switch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76642396A 1996-12-12 1996-12-12
US08/766,423 1996-12-12

Publications (2)

Publication Number Publication Date
WO1998026611A2 WO1998026611A2 (en) 1998-06-18
WO1998026611A3 true WO1998026611A3 (en) 1998-09-03

Family

ID=25076376

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/022456 WO1998026611A2 (en) 1996-12-12 1997-12-09 Switch fabric switchover in an atm network switch

Country Status (2)

Country Link
AU (1) AU5595798A (en)
WO (1) WO1998026611A2 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000307604A (en) * 1999-04-23 2000-11-02 Nec Commun Syst Ltd Atm link switching system
US7240364B1 (en) 2000-05-20 2007-07-03 Ciena Corporation Network device identity authentication
US7222147B1 (en) 2000-05-20 2007-05-22 Ciena Corporation Processing network management data in accordance with metadata files
US7225244B2 (en) 2000-05-20 2007-05-29 Ciena Corporation Common command interface
US7266595B1 (en) 2000-05-20 2007-09-04 Ciena Corporation Accessing network device data through user profiles
US7143153B1 (en) 2000-11-09 2006-11-28 Ciena Corporation Internal network device dynamic health monitoring
US6880086B2 (en) 2000-05-20 2005-04-12 Ciena Corporation Signatures for facilitating hot upgrades of modular software components
US7111053B1 (en) 2000-05-20 2006-09-19 Ciena Corporation Template-driven management of telecommunications network via utilization of operations support services clients
US6760339B1 (en) 2000-05-20 2004-07-06 Equipe Communications Corporation Multi-layer network device in one telecommunications rack
US6742134B1 (en) 2000-05-20 2004-05-25 Equipe Communications Corporation Maintaining a local backup for data plane processes
US7051097B1 (en) 2000-05-20 2006-05-23 Ciena Corporation Embedded database for computer system management
US7349960B1 (en) 2000-05-20 2008-03-25 Ciena Corporation Throttling distributed statistical data retrieval in a network device
US6868092B1 (en) 2000-05-20 2005-03-15 Ciena Corporation Network device with embedded timing synchronization
US6708291B1 (en) 2000-05-20 2004-03-16 Equipe Communications Corporation Hierarchical fault descriptors in computer systems
US6654903B1 (en) 2000-05-20 2003-11-25 Equipe Communications Corporation Vertical fault isolation in a computer system
US7225240B1 (en) 2000-05-20 2007-05-29 Ciena Corporation Decoupling processes from hardware with logical identifiers
US6639910B1 (en) 2000-05-20 2003-10-28 Equipe Communications Corporation Functional separation of internal and external controls in network devices
US6876652B1 (en) 2000-05-20 2005-04-05 Ciena Corporation Network device with a distributed switch fabric timing system
US7039046B1 (en) 2000-05-20 2006-05-02 Ciena Corporation Network device including central and distributed switch fabric subsystems
US6601186B1 (en) 2000-05-20 2003-07-29 Equipe Communications Corporation Independent restoration of control plane and data plane functions
US6658579B1 (en) 2000-05-20 2003-12-02 Equipe Communications Corporation Network device with local timing systems for automatic selection between redundant, synchronous central timing systems
US6715097B1 (en) 2000-05-20 2004-03-30 Equipe Communications Corporation Hierarchical fault management in computer systems
US7054272B1 (en) 2000-07-11 2006-05-30 Ciena Corporation Upper layer network device including a physical layer test port
US6934749B1 (en) 2000-05-20 2005-08-23 Ciena Corporation Tracking distributed data retrieval in a network device
US7020696B1 (en) 2000-05-20 2006-03-28 Ciena Corp. Distributed user management information in telecommunications networks
US7280529B1 (en) 2000-05-20 2007-10-09 Ciena Corporation Providing network management access through user profiles
US6671699B1 (en) 2000-05-20 2003-12-30 Equipe Communications Corporation Shared database usage in network devices
US7062642B1 (en) 2000-05-20 2006-06-13 Ciena Corporation Policy based provisioning of network device resources
US6332198B1 (en) 2000-05-20 2001-12-18 Equipe Communications Corporation Network device for supporting multiple redundancy schemes
US7054263B1 (en) 2000-10-16 2006-05-30 Telefonaktiebolaget Lm Ericsson (Publ) Synchronous change of switchplane
US7263597B2 (en) 2001-04-19 2007-08-28 Ciena Corporation Network device including dedicated resources control plane
US7313089B2 (en) 2001-12-21 2007-12-25 Agere Systems Inc. Method and apparatus for switching between active and standby switch fabrics with no loss of data

Citations (4)

* 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
US5274633A (en) * 1989-11-29 1993-12-28 Fujitsu Limited Switching system for ATM dual switch system
US5325358A (en) * 1989-03-03 1994-06-28 Siemens Aktiengesellschaft Method and circuit arrangement for transmitting message packets via packet switching equipment, the message packets being transmitted on output trunks
US5414696A (en) * 1991-11-15 1995-05-09 Mitsubishi Denki Kabushiki Kaisha Cell exchanging apparatus

Patent Citations (4)

* 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
US5325358A (en) * 1989-03-03 1994-06-28 Siemens Aktiengesellschaft Method and circuit arrangement for transmitting message packets via packet switching equipment, the message packets being transmitted on output trunks
US5274633A (en) * 1989-11-29 1993-12-28 Fujitsu Limited Switching system for ATM dual switch system
US5414696A (en) * 1991-11-15 1995-05-09 Mitsubishi Denki Kabushiki Kaisha Cell exchanging apparatus

Also Published As

Publication number Publication date
AU5595798A (en) 1998-07-03
WO1998026611A2 (en) 1998-06-18

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