GB2373939B - Protection in mixed optical WDM systems - Google Patents

Protection in mixed optical WDM systems

Info

Publication number
GB2373939B
GB2373939B GB0213985A GB0213985A GB2373939B GB 2373939 B GB2373939 B GB 2373939B GB 0213985 A GB0213985 A GB 0213985A GB 0213985 A GB0213985 A GB 0213985A GB 2373939 B GB2373939 B GB 2373939B
Authority
GB
United Kingdom
Prior art keywords
fibre
sdh
working
wdm
protection
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.)
Expired - Fee Related
Application number
GB0213985A
Other languages
English (en)
Other versions
GB0213985D0 (en
GB2373939A (en
Inventor
Magnus Oeberg
Anders Lundberg
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB0213985D0 publication Critical patent/GB0213985D0/en
Publication of GB2373939A publication Critical patent/GB2373939A/en
Application granted granted Critical
Publication of GB2373939B publication Critical patent/GB2373939B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04J14/0289—Optical multiplex section protection
    • H04J14/029—Dedicated protection at the optical multiplex section (1+1)
    • 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
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems
    • 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
    • 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
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0246—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU using one wavelength per ONU
    • 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
    • H04J14/0279—WDM point-to-point architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
GB0213985A 1999-12-28 2000-12-28 Protection in mixed optical WDM systems Expired - Fee Related GB2373939B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99850219A EP1113587A1 (en) 1999-12-28 1999-12-28 Protection in mixed optical WDM systems
PCT/SE2000/002690 WO2001048938A1 (en) 1999-12-28 2000-12-28 Protection in mixed optical wdm systems

Publications (3)

Publication Number Publication Date
GB0213985D0 GB0213985D0 (en) 2002-07-31
GB2373939A GB2373939A (en) 2002-10-02
GB2373939B true GB2373939B (en) 2004-05-05

Family

ID=8243785

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0213985A Expired - Fee Related GB2373939B (en) 1999-12-28 2000-12-28 Protection in mixed optical WDM systems

Country Status (7)

Country Link
US (1) US7136583B2 (enExample)
EP (1) EP1113587A1 (enExample)
JP (1) JP4017395B2 (enExample)
AU (1) AU2719401A (enExample)
DE (1) DE10085357T1 (enExample)
GB (1) GB2373939B (enExample)
WO (1) WO2001048938A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1184752C (zh) * 2001-02-05 2005-01-12 华为技术有限公司 光纤路径的虚拟保护方法及装置
DE60206362T2 (de) * 2002-05-06 2006-06-22 Alcatel Verfahren zur geschützten Übertragung in einem WDM-Netzwerk
RU2284662C2 (ru) * 2002-06-14 2006-09-27 Хювэй Текнолоджиз Ко., Лтд. Способ и устройство виртуальной защиты оптоволоконного тракта
CN1300966C (zh) * 2003-04-09 2007-02-14 华为技术有限公司 波分复用系统的板间通道保护方法
US7536100B2 (en) * 2003-08-26 2009-05-19 Sprint Communications Company Lp POP-to-POP optical wavelength protection in a communication system
KR101114688B1 (ko) * 2005-07-29 2012-02-29 삼성전자주식회사 휴대 통신 단말기 리모콘 장치 및 그 기능 수행 방법
EP2493101A1 (en) * 2011-02-24 2012-08-29 Alcatel Lucent Fast OMSP setup optimized for coherent detection
JP5699760B2 (ja) * 2011-04-04 2015-04-15 富士通株式会社 光増幅装置、光増幅装置の制御方法、光受信局及び光伝送システム
US10439733B2 (en) * 2014-01-13 2019-10-08 The Johns Hopkins University Fiber optic circuit breaker
CN106656320B (zh) 2015-10-29 2019-04-12 阿里巴巴集团控股有限公司 用于光量子通信业务的光纤信道损耗测量系统、方法及装置
US10476587B2 (en) * 2016-05-31 2019-11-12 Alibaba Group Holding Limited System and method for enhancing reliability in a transport network
JP6743494B2 (ja) * 2016-06-03 2020-08-19 富士通株式会社 伝送システム、通信装置及びパス切替方法
CN108631875A (zh) 2017-03-24 2018-10-09 阿里巴巴集团控股有限公司 双通道小型化可插拔模块、外壳和通信系统
JP7035548B2 (ja) * 2018-01-18 2022-03-15 富士通株式会社 伝送システム及び伝送方法
CN109995456B (zh) * 2019-02-27 2020-07-24 中国人民解放军战略支援部队信息工程大学 应用于sdh传输的串接设备的多级直通保护装置及方法
US11394814B2 (en) 2020-05-20 2022-07-19 Alibaba Group Holding Limited Path control by end hosts in networks
US11057113B1 (en) 2020-06-02 2021-07-06 Alibaba Group Holding Limited High-speed silicon photonics optical transceivers
US11668590B2 (en) 2020-11-11 2023-06-06 Alibaba Group Holding Limited System and method for fiber sensing
US11336376B1 (en) 2021-01-29 2022-05-17 Alibaba Group Holding Limited Flexible switch solution based on co-packaged optics
US11630261B2 (en) 2021-04-29 2023-04-18 Alibaba Singapore Holding Private Limited Co-packaged optics switch solution based on analog optical engines

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5982517A (en) * 1997-06-02 1999-11-09 Fishman Consulting Method and system for service restoration in optical fiber communication networks
US6046832A (en) * 1997-12-04 2000-04-04 Fishman; Ilya M. System and method for protection of WDM/SONET networks
US6122082A (en) * 1998-01-20 2000-09-19 Fishman; Ilya M. Method and system for communication between optical and SONET layers in mixed WDM/SONET networks

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2605601B2 (ja) * 1993-11-08 1997-04-30 日本電気株式会社 Ａｐｓチャネル取り込み回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5982517A (en) * 1997-06-02 1999-11-09 Fishman Consulting Method and system for service restoration in optical fiber communication networks
US6046832A (en) * 1997-12-04 2000-04-04 Fishman; Ilya M. System and method for protection of WDM/SONET networks
US6122082A (en) * 1998-01-20 2000-09-19 Fishman; Ilya M. Method and system for communication between optical and SONET layers in mixed WDM/SONET networks

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANDREA GARAVAGLIA ET AL. " A new protocol for SDH-over-WDM failure propagation"Core Networks and Network Management, Amsterdam:IOS Press, NL.1999. *

Also Published As

Publication number Publication date
WO2001048938A1 (en) 2001-07-05
GB0213985D0 (en) 2002-07-31
DE10085357T1 (de) 2003-03-27
AU2719401A (en) 2001-07-09
JP4017395B2 (ja) 2007-12-05
US20030077030A1 (en) 2003-04-24
EP1113587A1 (en) 2001-07-04
GB2373939A (en) 2002-10-02
US7136583B2 (en) 2006-11-14
JP2003518868A (ja) 2003-06-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151228