DE69213471D1 - Passive optische netzwerkstruktur mit hoher fehlertoleranz - Google Patents

Passive optische netzwerkstruktur mit hoher fehlertoleranz

Info

Publication number
DE69213471D1
DE69213471D1 DE69213471T DE69213471T DE69213471D1 DE 69213471 D1 DE69213471 D1 DE 69213471D1 DE 69213471 T DE69213471 T DE 69213471T DE 69213471 T DE69213471 T DE 69213471T DE 69213471 D1 DE69213471 D1 DE 69213471D1
Authority
DE
Germany
Prior art keywords
network structure
optical network
passive optical
error tolerance
high error
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
DE69213471T
Other languages
English (en)
Other versions
DE69213471T2 (de
Inventor
Guido Chiaretti
Mario Gerla
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.)
Italtel SpA
Original Assignee
Italtel SpA
Italtel Societa Italiana Telecomunicazioni SpA
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 Italtel SpA, Italtel Societa Italiana Telecomunicazioni SpA filed Critical Italtel SpA
Publication of DE69213471D1 publication Critical patent/DE69213471D1/de
Application granted granted Critical
Publication of DE69213471T2 publication Critical patent/DE69213471T2/de
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
    • 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
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • 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
    • H04J14/0282—WDM tree architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/44—Star or tree networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/48—Routing tree calculation
    • 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
DE69213471T 1991-12-20 1992-12-12 Passive optische netzwerkstruktur mit hoher fehlertoleranz Expired - Fee Related DE69213471T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI913442A IT1252576B (it) 1991-12-20 1991-12-20 Struttura di rete ottica passiva con elevata insensibilita' ai guasti
PCT/EP1992/002902 WO1993013617A1 (en) 1991-12-20 1992-12-12 Passive optical network structure with high fault tolerance

Publications (2)

Publication Number Publication Date
DE69213471D1 true DE69213471D1 (de) 1996-10-10
DE69213471T2 DE69213471T2 (de) 1997-02-27

Family

ID=11361404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69213471T Expired - Fee Related DE69213471T2 (de) 1991-12-20 1992-12-12 Passive optische netzwerkstruktur mit hoher fehlertoleranz

Country Status (5)

Country Link
US (1) US5680546A (de)
EP (1) EP0617868B1 (de)
DE (1) DE69213471T2 (de)
IT (1) IT1252576B (de)
WO (1) WO1993013617A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539564A (en) * 1993-09-22 1996-07-23 Nippon Telegraph And Telephone Corporation Point-to-multipoint optical transmission system
US5995485A (en) * 1996-11-26 1999-11-30 Mci Communications Corporation Method and apparatus for isolating network failures by correlating paths issuing alarms with failure spans
US6047331A (en) * 1997-02-19 2000-04-04 Massachusetts Institute Of Technology Method and apparatus for automatic protection switching
JPH11112430A (ja) 1997-10-08 1999-04-23 Fujitsu Ltd 光加入者ネットワークシステム及び光加入者ネットワークシステムにおける障害監視方法
DE19800145A1 (de) * 1998-01-05 1999-07-08 Nokia Telecommunications Oy Verfaren zur Erweiterung eines bestehenden Transportnetzes für die Telekommunikation
US6614781B1 (en) 1998-11-20 2003-09-02 Level 3 Communications, Inc. Voice over data telecommunications network architecture
US6498667B1 (en) 1999-09-10 2002-12-24 Quantum Bridge Communications, Inc. Method and system for packet transmission over passive optical network
US6122335A (en) * 1999-10-01 2000-09-19 Quantum Bridge Communications, Inc. Method and apparatus for fast burst mode data recovery
US6592272B1 (en) 1999-10-22 2003-07-15 Quantum Bridge Communications, Inc. Burst mode transmission over multiple optical wavelengths
US6990123B1 (en) 2000-01-24 2006-01-24 Quantum Bridge Communications Inc. Method and apparatus for redundant transmission over TDMA optical networks
US20020110315A1 (en) * 2001-02-15 2002-08-15 Alcatel Usa Sourcing, L.P. Pre-splitter module for conditioning optical signals in an access network
JP2002300626A (ja) * 2001-03-29 2002-10-11 Fujitsu Ltd 伝送路迂回方法，加入者線収容装置及び中継伝送路収容装置
US20020145775A1 (en) * 2001-04-06 2002-10-10 Quantum Bridge Communications, Inc. TDM/WDMA passive optical network
US6766482B1 (en) 2001-10-31 2004-07-20 Extreme Networks Ethernet automatic protection switching
WO2004102903A1 (ja) * 2003-05-14 2004-11-25 Fujitsu Limited 伝送装置
CN1859811B (zh) * 2006-03-15 2011-02-02 华为技术有限公司 一种无源光网络系统及其业务保护方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8727846D0 (en) * 1987-11-27 1987-12-31 British Telecomm Optical communications network
CA1314935C (en) * 1987-01-05 1993-03-23 British Telecommunications Public Limited Company Optical communications network
US4809362A (en) * 1987-03-13 1989-02-28 Center For Innovative Technology Fiber-optic star tree network
GB8903567D0 (en) * 1989-02-16 1989-04-05 British Telecomm An optical network
JP2768520B2 (ja) * 1989-02-17 1998-06-25 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング ネツトワークインターフエース
US5068847A (en) * 1989-10-19 1991-11-26 Honeywell Inc. Fiber optic network architecture having data feedback for monitoring communications thereon
FR2654564B1 (fr) * 1989-11-10 1992-01-17 Renault Interface de ligne pour un reseau de transmission d'informations.
JPH0427244A (ja) * 1990-05-22 1992-01-30 Toshiba Corp 広帯域交換ネットワーク
US5353412A (en) * 1990-10-03 1994-10-04 Thinking Machines Corporation Partition control circuit for separately controlling message sending of nodes of tree-shaped routing network to divide the network into a number of partitions
CA2054443C (en) * 1990-10-30 1995-11-07 Kazuo Yamane Switching system of optical transmission lines for protecting from trouble
EP0617876B1 (de) * 1991-12-19 1997-02-12 Nortel Networks Corporation Lichtwellenleiter teilnehmerleitungs-netzwerk

Also Published As

Publication number Publication date
EP0617868B1 (de) 1996-09-04
ITMI913442A0 (it) 1991-12-20
ITMI913442A1 (it) 1993-06-20
WO1993013617A1 (en) 1993-07-08
IT1252576B (it) 1995-06-19
EP0617868A1 (de) 1994-10-05
DE69213471T2 (de) 1997-02-27
US5680546A (en) 1997-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee