DE60100333D1 - Schnelle Schutzumschaltung durch Überwachung von Abwärtssignalen in einem optischen Netzwerk - Google Patents

Schnelle Schutzumschaltung durch Überwachung von Abwärtssignalen in einem optischen Netzwerk

Info

Publication number
DE60100333D1
DE60100333D1 DE60100333T DE60100333T DE60100333D1 DE 60100333 D1 DE60100333 D1 DE 60100333D1 DE 60100333 T DE60100333 T DE 60100333T DE 60100333 T DE60100333 T DE 60100333T DE 60100333 D1 DE60100333 D1 DE 60100333D1
Authority
DE
Germany
Prior art keywords
optical network
protection switching
fast protection
downward signals
monitoring
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
DE60100333T
Other languages
English (en)
Other versions
DE60100333T2 (de
Inventor
Eijk Peter Van
Reed K Even
Heyningen Piet Van
Siang Song
Kim Kyeong-Soo
Kim Woojune
Liu Fengkun
Park Yong-Kwan
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.)
Nokia of America Corp
Original Assignee
Lucent 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of DE60100333D1 publication Critical patent/DE60100333D1/de
Application granted granted Critical
Publication of DE60100333T2 publication Critical patent/DE60100333T2/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
    • H04J14/0287—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
    • 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
    • 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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0066—Provisions for optical burst or packet 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0682—Clock or time synchronisation in a network by delay compensation, e.g. by compensation of propagation delay or variations thereof, by ranging
    • 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
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • 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
    • 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
DE60100333T 2001-02-12 2001-08-14 Schnelle Schutzumschaltung durch Überwachung von Abwärtssignalen in einem optischen Netzwerk Expired - Lifetime DE60100333T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US781863 1997-01-10
US09/781,863 US6771908B2 (en) 2001-02-12 2001-02-12 Fast protection switching by snooping on downstream signals in an optical network

Publications (2)

Publication Number Publication Date
DE60100333D1 true DE60100333D1 (de) 2003-07-10
DE60100333T2 DE60100333T2 (de) 2004-05-13

Family

ID=25124195

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60100333T Expired - Lifetime DE60100333T2 (de) 2001-02-12 2001-08-14 Schnelle Schutzumschaltung durch Überwachung von Abwärtssignalen in einem optischen Netzwerk

Country Status (5)

Country Link
US (1) US6771908B2 (de)
EP (1) EP1231813B1 (de)
JP (1) JP2002335192A (de)
CA (1) CA2368552C (de)
DE (1) DE60100333T2 (de)

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Also Published As

Publication number Publication date
EP1231813A2 (de) 2002-08-14
EP1231813B1 (de) 2003-06-04
EP1231813A3 (de) 2002-09-04
CA2368552A1 (en) 2002-08-12
CA2368552C (en) 2006-04-04
JP2002335192A (ja) 2002-11-22
US20020109875A1 (en) 2002-08-15
DE60100333T2 (de) 2004-05-13
US6771908B2 (en) 2004-08-03

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