DE69634611T2 - Selbstheilendes netzwerk - Google Patents

Selbstheilendes netzwerk Download PDF

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Publication number
DE69634611T2
DE69634611T2 DE69634611T DE69634611T DE69634611T2 DE 69634611 T2 DE69634611 T2 DE 69634611T2 DE 69634611 T DE69634611 T DE 69634611T DE 69634611 T DE69634611 T DE 69634611T DE 69634611 T2 DE69634611 T2 DE 69634611T2
Authority
DE
Germany
Prior art keywords
node
optical
ring
incoming
connection
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
DE69634611T
Other languages
German (de)
English (en)
Other versions
DE69634611D1 (de
Inventor
Stefano Merli
Francesco Testa
Renato Norbiato
Paolo Andreozzi
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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
Priority claimed from SE9502310A external-priority patent/SE506713C2/sv
Priority claimed from SE9503573A external-priority patent/SE9503573D0/xx
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69634611D1 publication Critical patent/DE69634611D1/de
Publication of DE69634611T2 publication Critical patent/DE69634611T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04J14/021—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
    • H04J14/0278—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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • 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]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration
    • 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
    • H04J14/028—WDM bus architectures
    • 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
    • H04Q11/0071—Provisions for the electrical-optical layer interface
    • 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
    • H04Q2011/0013—Construction using gating amplifiers
    • 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
    • H04Q2011/0043—Fault tolerance
    • 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
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0083—Testing; Monitoring
    • 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)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
  • Time-Division Multiplex Systems (AREA)
DE69634611T 1995-06-26 1996-06-18 Selbstheilendes netzwerk Expired - Lifetime DE69634611T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
SE9502310 1995-06-26
SE9502310A SE506713C2 (sv) 1995-06-26 1995-06-26 Anordning och förfarande vid optiskt självläkande nät
SE9503573 1995-10-12
SE9503573A SE9503573D0 (sv) 1995-10-12 1995-10-12 Self-healing network
PCT/SE1996/000794 WO1997001907A1 (en) 1995-06-26 1996-06-18 Self-healing network

Publications (2)

Publication Number Publication Date
DE69634611D1 DE69634611D1 (de) 2005-05-19
DE69634611T2 true DE69634611T2 (de) 2006-03-02

Family

ID=26662328

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69634611T Expired - Lifetime DE69634611T2 (de) 1995-06-26 1996-06-18 Selbstheilendes netzwerk

Country Status (9)

Country Link
US (1) US6088141A (enExample)
EP (1) EP0878079B1 (enExample)
JP (1) JPH11508427A (enExample)
CN (1) CN1094007C (enExample)
AU (1) AU6322696A (enExample)
BR (1) BR9608792A (enExample)
DE (1) DE69634611T2 (enExample)
ES (1) ES2239333T3 (enExample)
WO (1) WO1997001907A1 (enExample)

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WO1999000942A2 (en) * 1997-06-27 1999-01-07 Tellabs Denmark A/S A method of transmitting data in a ring-shaped teletransmission network, such a network and a network element therefor
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US6266168B1 (en) 1997-12-19 2001-07-24 Lucent Technologies Inc. Optical protection switch employing an interference filter
US6233072B1 (en) * 1997-12-31 2001-05-15 Mci Communications Corporation Method and system for restoring coincident line and facility failures
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US7046929B1 (en) * 1999-08-24 2006-05-16 Ciena Corporation Fault detection and isolation in an optical network
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DE19945840A1 (de) * 1999-09-24 2001-04-19 Audi Ag Verfahren zum Betreiben eines optischen Bussystems und entsprechendes optisches Bussystem
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CN114449227B (zh) * 2022-03-09 2025-12-19 中国农业银行股份有限公司 一种分布式监控系统和方法
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Also Published As

Publication number Publication date
MX9710099A (es) 1998-03-31
BR9608792A (pt) 1999-02-17
WO1997001907A1 (en) 1997-01-16
CN1189269A (zh) 1998-07-29
AU6322696A (en) 1997-01-30
ES2239333T3 (es) 2005-09-16
JPH11508427A (ja) 1999-07-21
EP0878079B1 (en) 2005-04-13
CN1094007C (zh) 2002-11-06
EP0878079A1 (en) 1998-11-18
US6088141A (en) 2000-07-11
DE69634611D1 (de) 2005-05-19

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