IL131173A - Method and apparatus for operation, protection and restoration of heterogeneous optical communication networks - Google Patents

Method and apparatus for operation, protection and restoration of heterogeneous optical communication networks

Info

Publication number
IL131173A
IL131173A IL13117398A IL13117398A IL131173A IL 131173 A IL131173 A IL 131173A IL 13117398 A IL13117398 A IL 13117398A IL 13117398 A IL13117398 A IL 13117398A IL 131173 A IL131173 A IL 131173A
Authority
IL
Israel
Prior art keywords
restoration
protection
optical communication
communication networks
heterogeneous optical
Prior art date
Application number
IL13117398A
Other languages
English (en)
Other versions
IL131173A0 (en
Original Assignee
Oni Systems 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 Oni Systems Corp filed Critical Oni Systems Corp
Publication of IL131173A0 publication Critical patent/IL131173A0/xx
Publication of IL131173A publication Critical patent/IL131173A/xx

Links

Classifications

    • 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
    • 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
    • H04J14/0278—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
    • H04J14/0289—Optical multiplex section protection
    • H04J14/0291—Shared protection at the optical multiplex section (1:1, n:m)
    • 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
    • H04Q11/0005—Switch and router aspects
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0297—Optical equipment protection
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0049—Crosstalk reduction; Noise; Power budget
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
IL13117398A 1997-02-10 1998-02-09 Method and apparatus for operation, protection and restoration of heterogeneous optical communication networks IL131173A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3814997P 1997-02-10 1997-02-10
US09/019,347 US5986783A (en) 1997-02-10 1998-02-05 Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
PCT/US1998/002515 WO1998047039A2 (en) 1997-02-10 1998-02-09 Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks

Publications (2)

Publication Number Publication Date
IL131173A0 IL131173A0 (en) 2001-01-28
IL131173A true IL131173A (en) 2003-02-12

Family

ID=26692130

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13117398A IL131173A (en) 1997-02-10 1998-02-09 Method and apparatus for operation, protection and restoration of heterogeneous optical communication networks

Country Status (7)

Country Link
US (1) US5986783A (xx)
EP (1) EP1033003A2 (xx)
JP (1) JP2002510441A (xx)
CN (1) CN1182674C (xx)
CA (1) CA2279240A1 (xx)
IL (1) IL131173A (xx)
WO (1) WO1998047039A2 (xx)

Families Citing this family (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19649870A1 (de) * 1996-12-02 1998-06-04 Alsthom Cge Alcatel Optische Schalteinheit, insbesondere zum Umschalten auf Ersatzkomponenten in optischen Übertragungssystemen
US6226296B1 (en) * 1997-01-16 2001-05-01 Physical Optics Corporation Metropolitan area network switching system and method of operation thereof
US6839514B1 (en) 1999-09-29 2005-01-04 Ciena Corporation Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
US6046833A (en) 1997-02-10 2000-04-04 Optical Networks, Inc. Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
EP0876018A3 (de) * 1997-02-21 2004-05-26 Siemens Aktiengesellschaft Verfahren und Anordnung zur Datanübertragung in einem Ringnetz
WO1998038709A1 (fr) * 1997-02-25 1998-09-03 Hitachi, Ltd. Emetteur optique, repeteur optique et dispositif d'interconnexion optique
CA2284184A1 (en) 1997-03-12 1998-09-17 Paul T. Baniewicz Telecommunications network distributed restoration method and system
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
JP3050182B2 (ja) * 1997-09-08 2000-06-12 日本電気株式会社 光サージ抑圧機能を備えた光伝送装置
JP4031853B2 (ja) * 1997-10-20 2008-01-09 富士通株式会社 双方向光通信用光伝送装置
US6657952B1 (en) * 1997-11-28 2003-12-02 Nec Corporation Ring network for sharing protection resource by working communication paths
DE19807069A1 (de) * 1998-02-20 1999-08-26 Bosch Gmbh Robert Verfahren zur Übertragung von optischen Nutzsignalen und optisches Leitungsnetzwerk
US6665496B1 (en) * 1998-04-27 2003-12-16 Ciena Corporation WDM ring transmission system
US6414771B2 (en) * 1998-04-27 2002-07-02 Lucent Technologies Inc. Optical transmission system including optical restoration
JP3196728B2 (ja) * 1998-06-26 2001-08-06 日本電気株式会社 ネットワークの設計方法及びその制御プログラムを記録した記録媒体
US6262820B1 (en) * 1998-07-15 2001-07-17 Lucent Technologies Inc. Optical transmission system including optical restoration
JP3553385B2 (ja) * 1998-08-31 2004-08-11 三菱電機株式会社 光スイッチング装置
US6567197B1 (en) * 1998-10-20 2003-05-20 At&T Corp. Optical ring network architecture
CA2289320A1 (en) * 1998-12-10 2000-06-10 Nortel Networks Corporation Integrating optical adm filters
US6721508B1 (en) 1998-12-14 2004-04-13 Tellabs Operations Inc. Optical line terminal arrangement, apparatus and methods
US6587240B1 (en) * 1998-12-21 2003-07-01 Agilent Technologies, Inc. Optical switching node and method for operating same
WO2000042739A1 (en) * 1999-01-16 2000-07-20 New Access Communications System and method of simulating a star network topology
WO2000048347A1 (en) * 1999-02-15 2000-08-17 Chromatis Networks, Inc. Flexible and scalable architecture for dwdm networks in fiber rings
SE516316C2 (sv) * 1999-03-18 2001-12-17 Cisco Systems Sweden Ab Mottagartransponder för skyddade nät
US6356544B1 (en) * 1999-05-03 2002-03-12 Fujitsu Network Communications, Inc. SONET add/drop multiplexer with packet over SONET capability
US7020695B1 (en) 1999-05-28 2006-03-28 Oracle International Corporation Using a cluster-wide shared repository to provide the latest consistent definition of the cluster (avoiding the partition-in time problem)
US7076783B1 (en) 1999-05-28 2006-07-11 Oracle International Corporation Providing figure of merit vote from application executing on a partitioned cluster
US6871222B1 (en) 1999-05-28 2005-03-22 Oracle International Corporation Quorumless cluster using disk-based messaging
US6532494B1 (en) * 1999-05-28 2003-03-11 Oracle International Corporation Closed-loop node membership monitor for network clusters
US6813240B1 (en) 1999-06-11 2004-11-02 Mci, Inc. Method of identifying low quality links in a telecommunications network
US6947670B1 (en) * 1999-06-30 2005-09-20 Lucent Technologies Inc. Optical add/drop arrangement for ring networks employing wavelength division multiplexing
JP3538076B2 (ja) 1999-08-12 2004-06-14 日本電信電話株式会社 パケット伝送装置
US6724781B1 (en) * 1999-08-23 2004-04-20 Marconi Communications, Inc. System and method for packet transport in a ring network
US7046929B1 (en) 1999-08-24 2006-05-16 Ciena Corporation Fault detection and isolation in an optical network
JP2001168800A (ja) * 1999-12-08 2001-06-22 Kddi Corp ４ファイバリングネットワーク光スイッチング回路
US7099578B1 (en) 1999-12-16 2006-08-29 Tellabs Operations Inc. 1:N protection in an optical terminal
US6616349B1 (en) * 1999-12-20 2003-09-09 Corning Incorporated Two-fiber interconnected ring architecture
US6862380B2 (en) * 2000-02-04 2005-03-01 At&T Corp. Transparent optical switch
JP3770767B2 (ja) * 2000-02-17 2006-04-26 株式会社日立製作所 トランスポンダ、波長多重伝送装置、波長多重伝送システムおよび情報通信装置
AU2001271236A1 (en) * 2000-03-03 2001-09-17 Corning Inc. A ring interconnection architecture
US6894978B1 (en) 2000-03-10 2005-05-17 Noriaki Hashimoto Method and system for operation of a resilient closed communication network without a dedicated protection network segment
WO2001074111A1 (en) * 2000-03-28 2001-10-04 Ditech Communications Corporation Routing device for all optical networks
GB0007552D0 (en) * 2000-03-28 2000-05-17 Iltron Limited A fully reconfigurable regenerative optical add-drop multiplexer
US6795394B1 (en) 2000-04-26 2004-09-21 Nortel Networks Limited Data network having enhanced availability of extra traffic
US7096275B1 (en) * 2000-06-06 2006-08-22 Lucent Technologies Inc. Methods and apparatus for protection against network failures
US6766113B1 (en) * 2000-06-16 2004-07-20 Lucent Technologies Inc. Control channel processor and switching mechanism
AU2001270095A1 (en) * 2000-06-22 2002-01-02 Tellabs Operations, Inc. Shared optical ring protection in a multi-fiber ring
DE10036709B4 (de) * 2000-07-27 2006-07-06 Siemens Ag Optischer Netzknoten mit Add-Drop- oder Cross-Connect-Funktionalität und dazugehörige Verfahren
US7283747B2 (en) * 2000-08-15 2007-10-16 Nortel Networks Limited Optical switch router
US6721502B1 (en) 2000-09-30 2004-04-13 Lucent Technologies Inc. Shared optical protection ring architecture
GB2386274B (en) * 2000-12-30 2004-07-14 Redback Networks Inc Non-BLSR protected layer 2/3 channel provisioning
US6975589B2 (en) * 2000-12-30 2005-12-13 Redback Networks Inc. Method and apparatus for a hybrid variable rate pipe
US7209436B1 (en) * 2000-12-30 2007-04-24 Redback Networks Inc. Method and apparatus for variable rate pipes
US7016300B2 (en) * 2000-12-30 2006-03-21 Redback Networks Inc. Protection mechanism for an optical ring
KR100357627B1 (ko) * 2001-01-09 2002-10-25 삼성전자 주식회사 양방향 파장 분할 다중 광전송 시스템
US6999686B1 (en) * 2001-02-01 2006-02-14 Ciena Corporation Wavelength management in an optical network
US7620273B2 (en) 2001-03-16 2009-11-17 Alcatel-Lucent Usa Inc. Methods and devices for providing optical, serviced-enabled cross-connections
US6850705B2 (en) 2001-03-17 2005-02-01 Fujitsu Limited Online distributed path routing method and system
US6307986B1 (en) 2001-04-24 2001-10-23 Seneca Networks Protection switching in bidirectional WDM optical communication networks with transponders
US6321004B1 (en) 2001-04-24 2001-11-20 Seneca Networks Protection switching in bidirectional WDM optical communication networks
US7158720B1 (en) 2001-05-15 2007-01-02 Alcatel Optical shared protection ring for multiple spans
US7161898B1 (en) * 2001-05-15 2007-01-09 Alcatel Common protection architecture for optical network
US7272307B2 (en) 2001-05-25 2007-09-18 Tellabs Operations, Inc. Virtual protection channel for fiber optic ring network
JP3606229B2 (ja) * 2001-05-30 2005-01-05 日本電気株式会社 プロテクション方式、レイヤ２機能ブロック、ノードおよびリングネットワーク
JP2002359627A (ja) * 2001-05-30 2002-12-13 Nec Corp プロテクション方式、バーチャルコンカチネーション処理ブロック、ノードおよびリングネットワーク
US20020186432A1 (en) * 2001-06-07 2002-12-12 Roorda Peter David Architecture for a photonic transport network
US6674935B2 (en) * 2001-06-15 2004-01-06 Tropic Networks Inc. Optical connection arrangements
DE10131210B4 (de) * 2001-06-28 2006-04-20 Siemens Ag Optisches Übertragungssystem mit bidirektionalen Verbindungspfaden und Verfahren zum Einrichten mindestens eines bidirektionalen Verbindungspfades
US7158478B1 (en) 2001-07-11 2007-01-02 Alcatel Method and apparatus for signalling in a shared protection ring architecture
US20030012490A1 (en) * 2001-07-11 2003-01-16 William Melaragni Hybrid WDP/optical cross-connect network architecture
US7706383B2 (en) * 2001-07-31 2010-04-27 Alcatel-Lucent Usa Inc. Minimum contention distributed wavelength assignment in optical transport networks
US20030058497A1 (en) * 2001-09-27 2003-03-27 Nortel Networks Limited All-optical switching sites for an agile optical network
DE60204940T2 (de) * 2002-03-27 2006-04-20 Lightmaze Solutions Ag Intelligentes optisches Netzelement
US20030223405A1 (en) * 2002-05-31 2003-12-04 El-Bawab Tarek S. WDM metropolitan access network architecture based on hybrid switching
CN1312863C (zh) * 2002-07-11 2007-04-25 北京邮电大学 一种自动交换光网络可恢复路径选择建立方法
US20040052530A1 (en) * 2002-09-17 2004-03-18 Cechan Tian Optical network with distributed sub-band rejections
US7171116B2 (en) * 2002-09-17 2007-01-30 Lucent Technologies Inc. Provisionable keep-alive signal for physical-layer protection of an optical network
US7206972B2 (en) * 2003-01-09 2007-04-17 Alcatel Path commissioning analysis and diagnostic tool
US7421197B2 (en) * 2003-01-21 2008-09-02 Fujitsu Limited Optical network protection switching architecture
EP1471673B1 (en) * 2003-04-22 2006-08-02 Alcatel Method for using the complete resource capacity of a synchronous digital hierarchy network, subject to a protection mechanism, in the presence of a data (packet) network, and related apparatus for the implementation of the method
US7352703B2 (en) 2003-04-29 2008-04-01 Alcatel Lucent Protection scheme for a communications network under multiple failures
US7269347B1 (en) 2003-05-28 2007-09-11 Ciena Corporation Optical receiver decision threshold tuning apparatus and method
US7483636B2 (en) * 2003-07-28 2009-01-27 Fujitsu Limited Optical network with sub-band rejection and bypass
US8554947B1 (en) * 2003-09-15 2013-10-08 Verizon Laboratories Inc. Network data transmission systems and methods
DE10343615A1 (de) * 2003-09-20 2005-04-14 Marconi Communications Gmbh Netzknoten für ein optisches Nachrichtenübertragungsnetz
US20050095001A1 (en) * 2003-10-29 2005-05-05 Fujitsu Limited Method and system for increasing network capacity in an optical network
CN100555922C (zh) * 2004-09-10 2009-10-28 华为技术有限公司 一种实现网格状光网络业务恢复的方法
US7551851B2 (en) * 2004-11-19 2009-06-23 Cox Communications, Inc. System and method for bypassing a faulty node in an optical network
US8204374B2 (en) * 2004-12-10 2012-06-19 Ciena Corporation Reconfigurable multichannel (WDM) optical ring network with optical shared protection
WO2006116895A1 (en) * 2005-04-29 2006-11-09 Zte Corporation Passive optical network system based on wavelength protection and protecting backup method thereof
ITMI20050982A1 (it) * 2005-05-26 2006-11-27 Marconi Comm Spa "metodo per il ripristino dopo una interruzione in una rete ad anello amplificata basata sulla libera ricircolazione ase e rete secondo il metodo"
CN100459553C (zh) * 2005-07-06 2009-02-04 华为技术有限公司 光传输网中跨环业务的保护方法
CN101170837B (zh) * 2006-10-27 2010-08-18 中兴通讯股份有限公司 一种在吉比特无源光网络设备上实现跨线卡保护的方法
JP5540827B2 (ja) * 2010-03-29 2014-07-02 富士通株式会社 伝送装置、及び伝送経路の切替方法
US9544086B2 (en) 2012-07-02 2017-01-10 Nec Corporation Optical branching unit and optical branching method
CA2960953A1 (en) * 2014-09-11 2016-03-17 The Arizona Board Of Regents On Behalf Of The University Of Arizona Resilient optical networking
WO2017090082A1 (ja) * 2015-11-24 2017-06-01 三菱電機株式会社 光中継装置、光伝送システムおよび光信号再生中継方法
CN118541932A (zh) * 2022-01-14 2024-08-23 日本电信电话株式会社 光通信装置及光通信方法
CN115412162B (zh) * 2022-11-02 2022-12-30 广东欢联电子科技有限公司 一种pon网络光链路保护方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442623A (en) * 1992-08-17 1995-08-15 Bell Communications Research, Inc. Passive protected self healing ring network
JPH0818592A (ja) * 1994-06-30 1996-01-19 Fujitsu Ltd 光学的スイッチングによるリング保護を有する光ファイバー伝送システム
US5745476A (en) * 1996-07-16 1998-04-28 At&T Corp. Errorless switching techniques in ring network

Also Published As

Publication number Publication date
IL131173A0 (en) 2001-01-28
JP2002510441A (ja) 2002-04-02
WO1998047039A2 (en) 1998-10-22
CN1182674C (zh) 2004-12-29
CA2279240A1 (en) 1998-10-22
US5986783A (en) 1999-11-16
WO1998047039A3 (en) 2000-06-29
EP1033003A2 (en) 2000-09-06
CN1275277A (zh) 2000-11-29

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