JP4017395B2 - 混合光学ｗｄｍシステムの保護 - Google Patents

混合光学ｗｄｍシステムの保護 Download PDF

Info

Publication number
JP4017395B2
JP4017395B2 JP2001548540A JP2001548540A JP4017395B2 JP 4017395 B2 JP4017395 B2 JP 4017395B2 JP 2001548540 A JP2001548540 A JP 2001548540A JP 2001548540 A JP2001548540 A JP 2001548540A JP 4017395 B2 JP4017395 B2 JP 4017395B2
Authority
JP
Japan
Prior art keywords
fiber
node
protection
sdh
user
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
JP2001548540A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003518868A5 (enExample
JP2003518868A (ja
Inventor
エベルグ、マグヌス
ルンドベルグ、アンデルス
Original Assignee
テレフオンアクチーボラゲット エル エム エリクソン（パブル）
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 テレフオンアクチーボラゲット エル エム エリクソン（パブル） filed Critical テレフオンアクチーボラゲット エル エム エリクソン（パブル）
Publication of JP2003518868A publication Critical patent/JP2003518868A/ja
Publication of JP2003518868A5 publication Critical patent/JP2003518868A5/ja
Application granted granted Critical
Publication of JP4017395B2 publication Critical patent/JP4017395B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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)
JP2001548540A 1999-12-28 2000-12-28 混合光学ｗｄｍシステムの保護 Expired - Fee Related JP4017395B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99850219.9 1999-12-28
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
JP2003518868A JP2003518868A (ja) 2003-06-10
JP2003518868A5 JP2003518868A5 (enExample) 2005-12-08
JP4017395B2 true JP4017395B2 (ja) 2007-12-05

Family

ID=8243785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001548540A Expired - Fee Related JP4017395B2 (ja) 1999-12-28 2000-12-28 混合光学ｗｄｍシステムの保護

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

Family Cites Families (4)

* 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
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

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
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
GB2373939B (en) 2004-05-05

Similar Documents

Publication Publication Date Title
JP4017395B2 (ja) 混合光学ｗｄｍシステムの保護
US10826601B2 (en) Optical switch with path continuity monitoring for optical protection switching
US7072580B2 (en) Autoprotected optical communication ring network
US6137603A (en) Optical network, optical division and insertion node and recovery system from network failure
US5982517A (en) Method and system for service restoration in optical fiber communication networks
US20090103915A1 (en) Protocol-Less All-Optical 1+1 Bidirectional Revertive Linear Protection System
US6580530B1 (en) Optical communication system
US20040179472A1 (en) Shared path protection method and system
CA2318046A1 (en) Self-healing optical network
JP2005057722A (ja) 切替型メディア変換器とこれを含む上下向同一波長のリング型ｗｄｍｐｏｎシステム
JP3233204B2 (ja) 波長光ａｄｍ装置
US7206475B2 (en) Optical switching apparatus, optical transmission system and method of setting up for optical signal route
CN202940821U (zh) 光旁路保护设备
EP1411666A2 (en) Two-fiber optical ring network
US8625988B2 (en) Hybrid switch for optical networks
JPH1117724A (ja) データ伝送系
US6122082A (en) Method and system for communication between optical and SONET layers in mixed WDM/SONET networks
EP0928082B1 (en) Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic
WO2001045311A1 (en) Optical ring protection apparatus and methods
CN100558014C (zh) 用于在网络中启动激光器的方法
JP2827735B2 (ja) クロック切替方式
US20040008930A1 (en) Duplex reflective re-configurable optical add/drop multiplexers
CN100568815C (zh) 一种单纤双向波分复用传输系统及其保护方法
JP2001053773A (ja) 波長多重光通信網
EP1075105A1 (en) Autoprotected optical communication ring network

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040517

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040517

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060825

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20061127

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20061204

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070226

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070413

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20070713

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20070723

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070808

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070904

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070918

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100928

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110928

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110928

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120928

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130928

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees