ATE342617T1 - Optisches wdm netzwerk mit effizientem gebrauch der wellenlängen und knoten dafür verwendeter - Google Patents

Optisches wdm netzwerk mit effizientem gebrauch der wellenlängen und knoten dafür verwendeter

Info

Publication number
ATE342617T1
ATE342617T1 AT99931672T AT99931672T ATE342617T1 AT E342617 T1 ATE342617 T1 AT E342617T1 AT 99931672 T AT99931672 T AT 99931672T AT 99931672 T AT99931672 T AT 99931672T AT E342617 T1 ATE342617 T1 AT E342617T1
Authority
AT
Austria
Prior art keywords
network
wavelength channels
efficient use
active
link
Prior art date
Application number
AT99931672T
Other languages
English (en)
Inventor
Lars Egnell
Bengt Johansson
Robert Batchellor
Nigel Wood
Magnus Oeberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE342617T1 publication Critical patent/ATE342617T1/de

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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
    • 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
    • H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
    • 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]
    • 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
    • H04J14/0213—Groups of channels or wave bands arrangements
    • 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
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0009—Construction using wavelength filters
    • 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
    • H04Q2011/0007—Construction
    • H04Q2011/0016—Construction using wavelength multiplexing or demultiplexing
    • 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
    • H04Q2011/0075—Wavelength grouping or hierarchical 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
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
AT99931672T 1998-06-10 1999-06-08 Optisches wdm netzwerk mit effizientem gebrauch der wellenlängen und knoten dafür verwendeter ATE342617T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802070A SE520943C2 (sv) 1998-06-10 1998-06-10 Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ

Publications (1)

Publication Number Publication Date
ATE342617T1 true ATE342617T1 (de) 2006-11-15

Family

ID=20411655

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99931672T ATE342617T1 (de) 1998-06-10 1999-06-08 Optisches wdm netzwerk mit effizientem gebrauch der wellenlängen und knoten dafür verwendeter

Country Status (7)

Country Link
US (1) US6590681B1 (de)
EP (1) EP1086539B1 (de)
AT (1) ATE342617T1 (de)
AU (1) AU4811599A (de)
DE (1) DE69933559T2 (de)
SE (1) SE520943C2 (de)
WO (1) WO1999065164A2 (de)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6188509B1 (en) * 1997-01-05 2001-02-13 Korea Advanced Institute Science And Technology Simple bidirectional add/drop amplifier module based on a single multiplexer
SE520876C2 (sv) * 1998-06-10 2003-09-09 Ericsson Telefon Ab L M ADD/Drpo-nod för ett optiskt WDM-nät, som har trafik endast mellan angränsande noder
EP1126650A3 (de) * 2000-02-18 2007-01-03 Ericsson AB Vorrichtung zur optischen Kommunikation
JP2001313660A (ja) * 2000-02-21 2001-11-09 Nippon Telegr & Teleph Corp <Ntt> 波長多重光ネットワーク
JP2001244897A (ja) * 2000-03-01 2001-09-07 Kddi Corp 光伝送システム及びノード追加方法
US6922530B1 (en) 2000-04-06 2005-07-26 Fujitsu Limited Method and apparatus for optical channel switching in an optical add/drop multiplexer
US7499647B2 (en) * 2000-05-22 2009-03-03 Opvista Incorporated Fully protected broadcast and select all optical network
US7120359B2 (en) * 2000-05-22 2006-10-10 Opvista Incorporated Broadcast and select all optical network
JP3708013B2 (ja) * 2000-09-29 2005-10-19 株式会社東芝 光通信システム
US7079768B2 (en) * 2000-10-03 2006-07-18 Lucent Technologies Inc. Dynamic passive optical network (PON) using a distributed optical cross connect and dense wavelength division multiplexing
US6731830B2 (en) 2001-01-05 2004-05-04 Redfern Broadband Networks, Inc. Asymmetric compatible network element
US20020106146A1 (en) * 2001-02-08 2002-08-08 Richard Lauder Optical network structure
EP1241913A1 (de) * 2001-03-16 2002-09-18 Alcatel Optischer Paketknoten und Einfüge/Ausfüge Multiplexer von Optische Paketen
JP4167073B2 (ja) * 2001-04-11 2008-10-15 トランスモード ホールディング エービー 光アド／ドロップノード及び光ｗｄｍネットワーク
WO2003007521A1 (en) * 2001-07-13 2003-01-23 Lumentis Ab Wdm ring network for flexible connections
FR2829328B1 (fr) * 2001-09-06 2004-10-22 Cit Alcatel Methode et systeme assurant la protection de la transmission de donnees sur un anneau optique forme d'une seule fibre optique
US6847787B2 (en) * 2001-09-07 2005-01-25 Redfern Broadband Networks Inc. WDM network node module
US6842551B1 (en) * 2002-02-08 2005-01-11 Wilbur Christian Vogley Backplane wire and noise eliminator tube
EP2244398A3 (de) 2002-03-27 2010-11-24 Fujitsu Limited Flexibles, offenes, optisches Ringnetzwerk
JP2003287028A (ja) * 2002-03-27 2003-10-10 Minebea Co Ltd 焼結含油軸受およびその製造方法
US7231148B2 (en) 2002-03-28 2007-06-12 Fujitsu Limited Flexible open ring optical network and method
US7076163B2 (en) * 2002-03-27 2006-07-11 Fujitsu Limited Method and system for testing during operation of an open ring optical network
US7116905B2 (en) * 2002-03-27 2006-10-03 Fujitsu Limited Method and system for control signaling in an open ring optical network
US7184663B2 (en) 2002-05-29 2007-02-27 Fujitsu Limited Optical ring network with hub node and method
US7283739B2 (en) 2002-05-29 2007-10-16 Fujitsu Limited Multiple subnets in an optical ring network and method
US7283740B2 (en) 2002-05-29 2007-10-16 Fujitsu Limited Optical ring network with optical subnets and method
US6842562B2 (en) 2002-05-30 2005-01-11 Fujitsu Network Communications, Inc. Optical add/drop node and method
US7085496B2 (en) 2002-05-30 2006-08-01 Fujitsu Limited Passive add/drop amplifier for optical networks and method
US7075712B2 (en) 2002-05-30 2006-07-11 Fujitsu Limited Combining and distributing amplifiers for optical network and method
US20040052530A1 (en) * 2002-09-17 2004-03-18 Cechan Tian Optical network with distributed sub-band rejections
JP4183681B2 (ja) * 2002-09-23 2008-11-19 ビーエーエスエフ ソシエタス・ヨーロピア 高誘電率を有する酸化物材料の薄膜
US8656050B2 (en) * 2002-09-24 2014-02-18 Alcatel Lucent Methods and systems for efficiently configuring IP-based, virtual private networks
JP2004235741A (ja) * 2003-01-28 2004-08-19 Fujitsu Ltd 光伝送装置及び該光伝送装置を有する光波長多重ネットワーク
WO2004082183A1 (de) * 2003-03-05 2004-09-23 Siemens Aktiengesellschaft Add-drop-einrichtung und cross-connect-einrichtung für wellenlängen-multiplexsignale
DE10338695A1 (de) * 2003-08-22 2005-04-07 Siemens Ag Add-Drop-Einrichtung und Cross-Connect-Einrichtung für Wellenlängen-Multiplexsignale
US7321729B2 (en) * 2003-05-29 2008-01-22 Fujitsu Limited Optical ring network with selective signal regeneration and wavelength conversion
US20050019034A1 (en) * 2003-07-25 2005-01-27 Fujitsu Network Communications, Inc. System and method for communicating optical traffic between ring networks
US7483636B2 (en) 2003-07-28 2009-01-27 Fujitsu Limited Optical network with sub-band rejection and bypass
US20050095001A1 (en) * 2003-10-29 2005-05-05 Fujitsu Limited Method and system for increasing network capacity in an optical network
US20050180749A1 (en) * 2003-11-07 2005-08-18 Bikash Koley System and method for a resilient optical Ethernet networksupporting automatic protection switching
US7483637B2 (en) 2003-11-26 2009-01-27 Fujitsu Limited Optical ring network with optical subnets and method
US7116860B1 (en) 2003-12-05 2006-10-03 Cisco Technology, Inc. Coupler add/drop node WDM network architecture with periodic cleanup
US20050175346A1 (en) * 2004-02-10 2005-08-11 Fujitsu Limited Upgraded flexible open ring optical network and method
US20090034965A1 (en) * 2004-02-23 2009-02-05 Look Christopher M Method and an apparatus to automatically verify connectivity within an optical network node
US7848644B2 (en) * 2004-02-23 2010-12-07 Dynamic Method Enterprises Limited Method and an apparatus to provide optical equipment protection
US7369765B2 (en) 2004-02-26 2008-05-06 Fujitsu Limited Optical network with selective mode switching
US20050196169A1 (en) * 2004-03-03 2005-09-08 Fujitsu Limited System and method for communicating traffic between optical rings
WO2006002080A2 (en) * 2004-06-15 2006-01-05 Opvista Incorporated Optical communication using duobinary modulation
US20050286896A1 (en) * 2004-06-29 2005-12-29 Fujitsu Limited Hybrid optical ring network
WO2006005191A1 (en) * 2004-07-15 2006-01-19 Metconnex Canada Inc. Modular wavelength selective switch
JP4707399B2 (ja) * 2004-07-30 2011-06-22 富士通株式会社 光分岐挿入装置
US7450851B2 (en) 2004-08-27 2008-11-11 Fujitsu Limited System and method for modularly scalable architecture for optical networks
US20060133804A1 (en) * 2004-12-17 2006-06-22 Tellabs Operations, Inc. Method and apparatus for protecting optical signals within a wavelength division multiplexed environment
US7120360B2 (en) 2005-01-06 2006-10-10 Fujitsu Limited System and method for protecting traffic in a hubbed optical ring network
FR2884374B1 (fr) * 2005-04-07 2007-06-01 Alcatel Sa Reseau de communication (d)wdm a sources de lumiere protegees
DE102005041371A1 (de) * 2005-04-28 2006-11-09 Siemens Ag Anordnungen für eine Add-Drop-Einrichtung und Übertragungssystem für Wellenlängen-Multiplex-Signale
US20060275035A1 (en) * 2005-05-02 2006-12-07 Way Winston I Multiple interconnected broadcast and select optical ring networks with revertible protection switch
WO2007044939A2 (en) * 2005-10-13 2007-04-19 Opvista Incorporated Optical ring networks using circulating optical probe in protection switching with automatic reversion
US7773883B1 (en) 2007-05-04 2010-08-10 Vello Systems, Inc. Single-fiber optical ring networks based on optical double sideband modulation
WO2009012409A2 (en) 2007-07-17 2009-01-22 Opvista Incorporated Optical ring networks having node-to-node optical communication channels for carrying data traffic
US8744262B2 (en) 2009-12-08 2014-06-03 Vello Systems, Inc. Optical subchannel routing, protection switching and security
US8705741B2 (en) * 2010-02-22 2014-04-22 Vello Systems, Inc. Subchannel security at the optical layer
US8542999B2 (en) 2011-02-01 2013-09-24 Vello Systems, Inc. Minimizing bandwidth narrowing penalties in a wavelength selective switch optical network
IN2013MU01980A (de) * 2013-06-10 2015-05-29 Indian Inst Technology Bombay
US9960878B2 (en) * 2013-10-01 2018-05-01 Indian Institute Of Technology Bombay Scalable ultra dense hypergraph network for data centers
KR20150054232A (ko) * 2013-11-11 2015-05-20 한국전자통신연구원 멀티캐스팅 링 네트워크 노드에서 필터를 사용한 광 신호 제어 및 광 다중부에서 보호 절체 방법 및 장치
KR101631651B1 (ko) * 2013-12-04 2016-06-20 주식회사 쏠리드 링 토폴로지 방식의 광중계기

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3354622B2 (ja) * 1993-03-29 2002-12-09 富士通株式会社 双方向伝送路切替リングネットワーク
US5864414A (en) * 1994-01-26 1999-01-26 British Telecommunications Public Limited Company WDM network with control wavelength
IT1267645B1 (it) * 1994-12-09 1997-02-07 Cselt Centro Studi Lab Telecom Struttura di comunicazione ad anello su vettore ottico e relativo nodo riconfigurabile.
SE503258C2 (sv) * 1995-02-06 1996-04-29 Ericsson Telefon Ab L M Förfarande för tilldelning av våglängdskanaler i ett optiskt bussnät
IT1277204B1 (it) * 1995-10-19 1997-11-05 Pirelli S P A Ora Pirelli Cavi Rete di comunicazione ottica trasparente ad anello autoprotetto
IT1282063B1 (it) * 1996-02-05 1998-03-09 Pirelli Cavi S P A Ora Pirelli Nodo in una rete di trasmissione di segnali ottici e metodo per preservare la comunicazione in caso di guasto
GB9617396D0 (en) * 1996-08-19 1996-10-02 Stc Submarine Systems Ltd Improvements in or relating to optical add/drop wavelength division multiplex systems
JPH10112700A (ja) * 1996-10-04 1998-04-28 Nec Corp リング構成の波長分割多重光伝送装置
US5872809A (en) * 1996-12-09 1999-02-16 Controlnet, Inc. Methods and apparatus for a common denominator transceiver design for data transmission
US6046833A (en) * 1997-02-10 2000-04-04 Optical Networks, Inc. Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
FR2759834B1 (fr) * 1997-02-14 1999-03-26 France Telecom Reseau de transmission en anneau reconfigurable avec multiplexage en longueur d'onde pour liaisons semi-permanentes
SE519255C2 (sv) * 1997-04-30 2003-02-04 Ericsson Telefon Ab L M ADD/Drop-nod för WDM med låg förlust

Also Published As

Publication number Publication date
EP1086539A2 (de) 2001-03-28
WO1999065164A2 (en) 1999-12-16
SE520943C2 (sv) 2003-09-16
WO1999065164A3 (en) 2000-03-02
DE69933559T2 (de) 2007-02-08
SE9802070D0 (sv) 1998-06-10
SE9802070L (sv) 2000-02-10
US6590681B1 (en) 2003-07-08
DE69933559D1 (de) 2006-11-23
EP1086539B1 (de) 2006-10-11
AU4811599A (en) 1999-12-30

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