DE69531594D1 - Kommunikationsnetzwerk mit Ringstruktur über einen optischen Träger und rekonfigurierbarer Knoten für diese Struktur - Google Patents

Kommunikationsnetzwerk mit Ringstruktur über einen optischen Träger und rekonfigurierbarer Knoten für diese Struktur

Info

Publication number
DE69531594D1
DE69531594D1 DE69531594T DE69531594T DE69531594D1 DE 69531594 D1 DE69531594 D1 DE 69531594D1 DE 69531594 T DE69531594 T DE 69531594T DE 69531594 T DE69531594 T DE 69531594T DE 69531594 D1 DE69531594 D1 DE 69531594D1
Authority
DE
Germany
Prior art keywords
communication network
optical carrier
ring structure
reconfigurable nodes
structure via
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 - Lifetime
Application number
DE69531594T
Other languages
English (en)
Other versions
DE69531594T2 (de
Inventor
Roberto Cadeddu
Riccardo Calvani
Giuseppe Ferraris
Roberto Lano
Emilio Vezzoni
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.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies 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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of DE69531594D1 publication Critical patent/DE69531594D1/de
Application granted granted Critical
Publication of DE69531594T2 publication Critical patent/DE69531594T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04J14/0278—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
    • H04J14/0201—Add-and-drop multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • 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)
DE69531594T 1994-12-09 1995-12-08 Kommunikationsnetzwerk mit Ringstruktur über einen optischen Träger und rekonfigurierbarer Knoten für diese Struktur Expired - Lifetime DE69531594T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO941008 1994-12-09
IT94TO001008A IT1267645B1 (it) 1994-12-09 1994-12-09 Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile.

Publications (2)

Publication Number Publication Date
DE69531594D1 true DE69531594D1 (de) 2003-10-02
DE69531594T2 DE69531594T2 (de) 2004-06-24

Family

ID=11412961

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69531594T Expired - Lifetime DE69531594T2 (de) 1994-12-09 1995-12-08 Kommunikationsnetzwerk mit Ringstruktur über einen optischen Träger und rekonfigurierbarer Knoten für diese Struktur
DE0716521T Pending DE716521T1 (de) 1994-12-09 1995-12-08 Kommunikationsnetzwerk mit Ringstruktur über einen optischen Träger und rekonfigurierbarer Knoten für diese Struktur

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0716521T Pending DE716521T1 (de) 1994-12-09 1995-12-08 Kommunikationsnetzwerk mit Ringstruktur über einen optischen Träger und rekonfigurierbarer Knoten für diese Struktur

Country Status (6)

Country Link
US (1) US5647035A (de)
EP (1) EP0716521B1 (de)
JP (1) JP3008260B2 (de)
CA (1) CA2164778C (de)
DE (2) DE69531594T2 (de)
IT (1) IT1267645B1 (de)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506216A1 (de) * 1995-02-22 1996-08-29 Deutsche Telekom Ag Verfahren und Anordnung zur optimalen Nutzung der Übertragungskapazität in synchronen bidirektionalen Ringnetzen
JP3006670B2 (ja) * 1995-08-18 2000-02-07 日本電気株式会社 光海底分岐装置およびその伝送路切替方法
CA2164071C (en) * 1995-09-06 2001-08-21 Thomas P. J. Flanagan Optical communication system
NL1001441C2 (nl) * 1995-10-18 1997-04-22 Nederland Ptt Koppelinrichting voor het koppelen van optische verbindingen.
IT1277204B1 (it) * 1995-10-19 1997-11-05 Pirelli S P A Ora Pirelli Cavi Rete di comunicazione ottica trasparente ad anello autoprotetto
US5777761A (en) * 1995-12-22 1998-07-07 Mci Communications Corporation System and method for photonic facility and line protection switching using wavelength translation
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
US6285475B1 (en) 1995-12-29 2001-09-04 Mci Communications Corporation Method and system for detecting optical faults in a network fiber link
US6108113A (en) * 1995-12-29 2000-08-22 Mci Communications Corporation Method and system for transporting ancillary network data
US5884017A (en) * 1995-12-29 1999-03-16 Mci Communications Corporation Method and system for optical restoration tributary switching in a fiber network
US5903370A (en) * 1996-06-28 1999-05-11 Mci Communications Corporation System for an optical domain
US6483803B1 (en) 1996-09-04 2002-11-19 Nortel Networks Limited Apparatus and method for restoring fiber optic communications network connections
US5751454A (en) * 1996-10-10 1998-05-12 Northern Telecom Limited Wavelength bypassed ring networks
AU729166B2 (en) 1996-12-06 2001-01-25 Telcordia Technologies, Inc. Inter-ring cross-connect for survivable multi-wavelength optical communication networks
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
US6154587A (en) * 1997-03-21 2000-11-28 Oki Electric Industry Co., Ltd. Optical cross connector apparatus
JP3175630B2 (ja) * 1997-04-02 2001-06-11 日本電気株式会社 光通信用ノード及びこれにより構成されるリング構成の波長分割多重光伝送装置
DE19731494C2 (de) 1997-07-22 1999-05-27 Siemens Ag Verfahren und Anordnung zur Datenübertragung im Wellenlängenmultiplexverfahren in einem optischen Ringnetz
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
JPH1198141A (ja) * 1997-09-16 1999-04-09 Nec Corp 光波ネットワークシステム
AU9491398A (en) * 1997-09-18 1999-04-05 Corning Incorporated Wavelength-selective optical switching apparatus, optical communications apparatus using the same, and method for use in the optical communications apparatus
US6657952B1 (en) * 1997-11-28 2003-12-02 Nec Corporation Ring network for sharing protection resource by working communication paths
US6046832A (en) * 1997-12-04 2000-04-04 Fishman; Ilya M. System and method for protection of WDM/SONET networks
US5960133A (en) * 1998-01-27 1999-09-28 Tellium, Inc. Wavelength-selective optical add/drop using tilting micro-mirrors
JP3639109B2 (ja) 1998-04-02 2005-04-20 富士通株式会社 光伝送装置、光伝送システム及び光端局
GB9807583D0 (en) * 1998-04-08 1998-06-10 Cambrian Systems Corp Path switched shared protection
SE520943C2 (sv) * 1998-06-10 2003-09-16 Ericsson Telefon Ab L M Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ
DE19828973A1 (de) * 1998-06-29 1999-12-30 Siemens Ag Optisches 2-Faser-Ringnetz
US6920508B1 (en) * 1998-08-31 2005-07-19 Siemens Aktiengesellschaft WDM ring network
EP1155523A1 (de) * 1999-02-15 2001-11-21 Chromatis Networks, Inc. Flexible und skalierbare architektur für dwdm netzwerke in faserringen
US7400828B1 (en) * 1999-03-25 2008-07-15 Chromatis Networks Inc. Fault protection in networks
JP4044253B2 (ja) * 1999-04-05 2008-02-06 株式会社東芝 光分岐挿入ノード装置
US7272321B1 (en) 1999-05-10 2007-09-18 Alloptic, Inc. Passive optical network
US6476945B1 (en) * 1999-06-01 2002-11-05 Nortel Networks Limited Wavelength allocation in a ring
WO2000076092A1 (en) * 1999-06-07 2000-12-14 Chromatis Networks, Inc. Dual homing for dwdm networks in fiber rings
US6947670B1 (en) 1999-06-30 2005-09-20 Lucent Technologies Inc. Optical add/drop arrangement for ring networks employing wavelength division multiplexing
US6973267B1 (en) 1999-07-01 2005-12-06 Cisco Technology, Inc. Autoprotected optical communication ring network
EP1075105B1 (de) * 1999-07-01 2005-11-30 Cisco Photonics Italy SrL Selbstgeschütztes optisches Kommunikationsringnetzwerk
EP1065822A1 (de) * 1999-07-01 2001-01-03 PIRELLI CAVI E SISTEMI S.p.A. Selbstgeschützes optisches Kommunikationsringnetwerk
US7386236B1 (en) 1999-09-27 2008-06-10 Alloptic, Inc. Multiple wavelength TDMA optical network
US6987759B1 (en) * 1999-10-06 2006-01-17 Cisco Technology, Inc. Method for using a pre-configured TDM switch and traffic discard to facilitate UPSR selection
US6587235B1 (en) * 1999-12-16 2003-07-01 At&T Corp. Method and apparatus for capacity-efficient restoration in an optical communication system
US6616349B1 (en) * 1999-12-20 2003-09-09 Corning Incorporated Two-fiber interconnected ring architecture
EP1126650A3 (de) * 2000-02-18 2007-01-03 Ericsson AB Vorrichtung zur optischen Kommunikation
US6414765B1 (en) 2000-03-07 2002-07-02 Corning, Inc. Protection switch in a two-fiber optical channel shared protection ring
EP1161014A1 (de) * 2000-05-31 2001-12-05 PIRELLI CAVI E SISTEMI S.p.A. Selbstschützendes optisches Nachrichtenübertragungs-Ringnetzwerk
AU2001276929A1 (en) * 2000-07-17 2002-01-30 Corning Incorporated Hybrid optical shared protection ring
US6288811B1 (en) 2000-10-17 2001-09-11 Seneca Networks WDM optical communication system with channels supporting multiple data formats
US6288812B1 (en) 2000-11-03 2001-09-11 Seneca Networks Bidirectional WDM optical communication network with optical bridge between bidirectional optical waveguides
US6895186B2 (en) * 2000-12-27 2005-05-17 The Trustees Of Columbia University In The City Of New York System for accessing a wavelength-division-multiplexed bidirectional optical fiber ring network
US6307986B1 (en) * 2001-04-24 2001-10-23 Seneca Networks Protection switching in bidirectional WDM optical communication networks with transponders
ITMI20011139A1 (it) * 2001-05-30 2002-11-30 Cit Alcatel Metodo per gestire la protezione del traffico in reti ad anello oms-spring
US7167648B2 (en) * 2001-10-24 2007-01-23 Innovative Fiber Optic Solutions, Llc System and method for an ethernet optical area network
US7184663B2 (en) 2002-05-29 2007-02-27 Fujitsu Limited Optical ring network with hub node and method
US7283740B2 (en) 2002-05-29 2007-10-16 Fujitsu Limited Optical ring network with optical subnets and method
US7283739B2 (en) 2002-05-29 2007-10-16 Fujitsu Limited Multiple subnets in an optical ring network and method
JP4256843B2 (ja) * 2002-05-29 2009-04-22 富士通株式会社 光ネットワーク及びゲートウェイノード
US7433593B1 (en) * 2002-06-28 2008-10-07 Ciena Corporation Switching algorithm for optical fiber networks
US7046621B2 (en) * 2002-07-10 2006-05-16 I/O Controls Corporation Redundant multi-fiber optical ring network
US6961306B2 (en) * 2002-07-10 2005-11-01 I/O Controls Corporation Fiber optic control network and related method
US6965560B2 (en) * 2002-07-10 2005-11-15 I/O Controls Corporation Multi-tier, hierarchical fiber optic control network
KR100506206B1 (ko) * 2002-10-16 2005-08-05 삼성전자주식회사 2-광섬유 링형 광 네트워크
US7421197B2 (en) * 2003-01-21 2008-09-02 Fujitsu Limited Optical network protection switching architecture
DE10308306B4 (de) * 2003-02-26 2006-04-20 Siemens Ag Verfahren und Anordnung zur Übertragung von Working-Signalen und Protection-Signalen über optische Datennetze
CN1301601C (zh) * 2003-04-15 2007-02-21 中兴通讯股份有限公司 全光网络复用段共享保护的装置
KR100480276B1 (ko) * 2003-05-02 2005-04-07 삼성전자주식회사 양방향 광회선 분배 장치
US7321729B2 (en) 2003-05-29 2008-01-22 Fujitsu Limited Optical ring network with selective signal regeneration and wavelength conversion
FR2856861B1 (fr) * 2003-06-30 2007-01-19 Cit Alcatel Reseau optique en anneau a multiplexage de longueurs d'onde et a transmission de signaux protegee par commutation locale d'etat consecutive a une detection locales d'interruption
US7483637B2 (en) 2003-11-26 2009-01-27 Fujitsu Limited Optical ring network with optical subnets and method
DE102004056364A1 (de) * 2004-11-22 2006-05-24 Bosch Rexroth Aktiengesellschaft Verfahren zum Betreiben eines Netzwerks mit Ringtopologie
US7627245B2 (en) 2004-12-16 2009-12-01 Tellabs Operations, Inc. System and method for re-using wavelengths in an optical network
US7120360B2 (en) 2005-01-06 2006-10-10 Fujitsu Limited System and method for protecting traffic in a hubbed optical ring network
JP4991254B2 (ja) * 2006-11-17 2012-08-01 株式会社東芝 二重リング・ネットワークの通信制御方法及び二重リング・ネットワークの伝送局
CN1996810B (zh) * 2006-12-29 2012-01-11 北京交通大学 一种分布式的波分纤分光路交换系统
EP2385642B1 (de) 2010-05-07 2012-10-17 ADVA AG Optical Networking Verfahren zur Bereitstellung von Schutz gegen Verbindungsfehler in einem optischen Kommunikationsnetzwerk
US8850262B2 (en) * 2010-10-12 2014-09-30 International Business Machines Corporation Inter-processor failure detection and recovery

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709365A (en) * 1983-10-31 1987-11-24 Beale International Technology Limited Data transmission system and method
US4663748A (en) * 1984-04-12 1987-05-05 Unisearch Limited Local area network
IT1199859B (it) * 1985-03-06 1989-01-05 Cselt Centro Studi Lab Telecom Rete locale integrata ad alta velo-cita'riconfigurabile
US4704713A (en) * 1985-12-26 1987-11-03 Bell Communications Research, Inc. Optical ring network
US5159595A (en) * 1988-04-08 1992-10-27 Northern Telecom Limited Ring transmission system
JP2713605B2 (ja) * 1989-06-17 1998-02-16 富士通株式会社 リングネットワーク切替制御方式
US5138615A (en) * 1989-06-22 1992-08-11 Digital Equipment Corporation Reconfiguration system and method for high-speed mesh connected local area network
US5088091A (en) * 1989-06-22 1992-02-11 Digital Equipment Corporation High-speed mesh connected local area network
US5471623A (en) * 1991-02-26 1995-11-28 Napolitano, Jr.; Leonard M. Lambda network having 2m-1 nodes in each of m stages with each node coupled to four other nodes for bidirectional routing of data packets between nodes
JPH0697950A (ja) * 1992-09-11 1994-04-08 Oki Electric Ind Co Ltd 光リングシステム
US5355362A (en) * 1992-10-26 1994-10-11 Nec America, Inc. Digital loop carrier system
IT1265018B1 (it) * 1993-08-10 1996-10-17 Cselt Centro Studi Lab Telecom Dispositivo per l'estrazione e il reinserimento di una portante ottica in reti di comunicazione ottica.

Also Published As

Publication number Publication date
DE716521T1 (de) 1999-03-04
EP0716521B1 (de) 2003-08-27
JPH08237195A (ja) 1996-09-13
IT1267645B1 (it) 1997-02-07
US5647035A (en) 1997-07-08
JP3008260B2 (ja) 2000-02-14
DE69531594T2 (de) 2004-06-24
ITTO941008A1 (it) 1996-06-09
EP0716521A2 (de) 1996-06-12
EP0716521A3 (de) 1998-06-10
CA2164778A1 (en) 1996-06-10
ITTO941008A0 (it) 1994-12-09
CA2164778C (en) 1999-03-23

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Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US