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AU2001268034A1 - Devices and methods for controlling protection switching in an optical channel shared protection ring - Google Patents

Devices and methods for controlling protection switching in an optical channel shared protection ring

Info

Publication number
AU2001268034A1
AU2001268034A1 AU2001268034A AU6803401A AU2001268034A1 AU 2001268034 A1 AU2001268034 A1 AU 2001268034A1 AU 2001268034 A AU2001268034 A AU 2001268034A AU 6803401 A AU6803401 A AU 6803401A AU 2001268034 A1 AU2001268034 A1 AU 2001268034A1
Authority
AU
Australia
Prior art keywords
methods
devices
optical channel
channel shared
controlling
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.)
Abandoned
Application number
AU2001268034A
Inventor
Ming-Jun Li
Mark J. Soulliere
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.)
Corning Inc
Original Assignee
Corning 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 Corning Inc filed Critical Corning Inc
Publication of AU2001268034A1 publication Critical patent/AU2001268034A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0293—Optical channel protection
    • H04J14/0295—Shared protection at the optical channel (1:1, n:m)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/009—Topology aspects
    • H04Q2011/0092—Ring

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
AU2001268034A 2000-03-10 2001-03-09 Devices and methods for controlling protection switching in an optical channel shared protection ring Abandoned AU2001268034A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18839700P 2000-03-10 2000-03-10
US60188397 2000-03-10
PCT/US2001/007747 WO2001067138A2 (en) 2000-03-10 2001-03-09 Devices and methods for controlling protection switching in an optical channel shared protection ring

Publications (1)

Publication Number Publication Date
AU2001268034A1 true AU2001268034A1 (en) 2001-09-17

Family

ID=22692967

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001268034A Abandoned AU2001268034A1 (en) 2000-03-10 2001-03-09 Devices and methods for controlling protection switching in an optical channel shared protection ring

Country Status (3)

Country Link
US (1) US20010038473A1 (en)
AU (1) AU2001268034A1 (en)
WO (1) WO2001067138A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7113481B2 (en) * 2001-10-10 2006-09-26 Alcatel Informed dynamic path protection for optical networks
US7181137B1 (en) 2002-09-30 2007-02-20 Cisco Technology, Inc. Subband spectrum analysis for optical multiplex section protection
CN100336327C (en) * 2002-11-02 2007-09-05 中兴通讯股份有限公司 Full optical fiber network two fiber bidirectional loop channel shared protective device
EP1652325B1 (en) * 2003-08-05 2010-05-05 Telecom Italia S.p.A. Method for providing extra-traffic paths with connection protection in a communication network, related network and computer program product therefor
CN100370700C (en) * 2004-04-14 2008-02-20 华为技术有限公司 Implementation method, system and device for optical channel sharing protection in wavelength division multiplexing system
US7751705B2 (en) * 2005-02-24 2010-07-06 Tellabs Operations, Inc. Optical channel intelligently shared protection ring
US20110280126A1 (en) * 2010-05-12 2011-11-17 Ceragon Networks Ltd. Extra capacity in path-protected communication networks
KR20130116415A (en) * 2012-03-14 2013-10-24 한국전자통신연구원 Method and apparatus for protection switching in optical transport network
US9838763B2 (en) * 2015-06-26 2017-12-05 Ciena Corporation TDM network call with compound service layer agreement
CN116131932B (en) * 2021-11-12 2025-06-06 华为技术有限公司 A method, device and equipment for calculating protection switching time

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3082554B2 (en) * 1994-01-11 2000-08-28 株式会社日立製作所 Self healing ring switch
JPH07264231A (en) * 1994-03-16 1995-10-13 Fujitsu Ltd Line switching method
SE514658C2 (en) * 1994-12-21 2001-03-26 Ericsson Telefon Ab L M Node Architecture for Application of Optical Optimization (OADM)
SE506748C2 (en) * 1995-06-26 1998-02-09 Ericsson Telefon Ab L M Method and apparatus for removing and adding channels in an optical multiplexer
JPH11508427A (en) * 1995-06-26 1999-07-21 テレフオンアクチーボラゲツト エル エム エリクソン（パブル） Self-healing net
CA2164071C (en) * 1995-09-06 2001-08-21 Thomas P. J. Flanagan Optical communication system
US5625478A (en) * 1995-09-14 1997-04-29 Lucent Technologies Inc. Optically restorable WDM ring network using simple add/drop circuitry
US6005694A (en) * 1995-12-28 1999-12-21 Mci Worldcom, Inc. Method and system for detecting optical faults within the optical domain of a fiber communication network
SE9603458L (en) * 1996-09-23 1997-12-01 Ericsson Telefon Ab L M Method and apparatus for detecting errors in a network
JPH10112700A (en) * 1996-10-04 1998-04-28 Nec Corp Wavelength division multiplex transmitter of ring configuration
JPH10126350A (en) * 1996-10-15 1998-05-15 Nec Corp Optical network, optical branch insertion node, and fault recovery system
US6266168B1 (en) * 1997-12-19 2001-07-24 Lucent Technologies Inc. Optical protection switch employing an interference filter
US6141125A (en) * 1998-01-26 2000-10-31 Ciena Corporation Intra-node diagnostic signal

Also Published As

Publication number Publication date
US20010038473A1 (en) 2001-11-08
WO2001067138A2 (en) 2001-09-13
WO2001067138A3 (en) 2002-03-28

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