AU2001275717A1 - A fault protection scheme - Google Patents

A fault protection scheme

Info

Publication number
AU2001275717A1
AU2001275717A1 AU2001275717A AU7571701A AU2001275717A1 AU 2001275717 A1 AU2001275717 A1 AU 2001275717A1 AU 2001275717 A AU2001275717 A AU 2001275717A AU 7571701 A AU7571701 A AU 7571701A AU 2001275717 A1 AU2001275717 A1 AU 2001275717A1
Authority
AU
Australia
Prior art keywords
protection scheme
fault protection
fault
scheme
protection
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.)
Abandoned
Application number
AU2001275717A
Inventor
Damian Cowell
Kenneth Guild
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.)
Ditech Networks Inc
Original Assignee
Ditech Networks 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 Ditech Networks Inc filed Critical Ditech Networks Inc
Publication of AU2001275717A1 publication Critical patent/AU2001275717A1/en
Abandoned 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
    • H04Q11/0005—Switch and router aspects
    • 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
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0297—Optical equipment protection
    • 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
    • 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
AU2001275717A 2000-07-28 2001-07-27 A fault protection scheme Abandoned AU2001275717A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0018626A GB0018626D0 (en) 2000-07-28 2000-07-28 A fault protection scheme
GB0018626 2000-07-28
PCT/GB2001/003400 WO2002011296A2 (en) 2000-07-28 2001-07-27 A fault protection scheme

Publications (1)

Publication Number Publication Date
AU2001275717A1 true AU2001275717A1 (en) 2002-02-13

Family

ID=9896587

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001275717A Abandoned AU2001275717A1 (en) 2000-07-28 2001-07-27 A fault protection scheme

Country Status (3)

Country Link
AU (1) AU2001275717A1 (en)
GB (1) GB0018626D0 (en)
WO (1) WO2002011296A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010100793A1 (en) * 2009-03-04 2010-09-10 三菱電機株式会社 Optical transmission apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2826468B2 (en) * 1994-04-27 1998-11-18 日本電気 株式会社 Line switching device
DE19737359C2 (en) * 1997-08-27 1999-08-19 Siemens Ag Communication device for the transmission of message signals
NL1006963C2 (en) * 1997-09-08 1999-03-09 Koninkl Kpn Nv Interconnection system for optical networks.

Also Published As

Publication number Publication date
WO2002011296A2 (en) 2002-02-07
WO2002011296A3 (en) 2002-05-10
GB0018626D0 (en) 2000-09-13

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