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DE602004015230D1 - Optisches Ringnetzwerk mit optischen Unternetzwerken - Google Patents

Optisches Ringnetzwerk mit optischen Unternetzwerken

Info

Publication number
DE602004015230D1
DE602004015230D1 DE602004015230T DE602004015230T DE602004015230D1 DE 602004015230 D1 DE602004015230 D1 DE 602004015230D1 DE 602004015230 T DE602004015230 T DE 602004015230T DE 602004015230 T DE602004015230 T DE 602004015230T DE 602004015230 D1 DE602004015230 D1 DE 602004015230D1
Authority
DE
Germany
Prior art keywords
optical
subnetworks
ring network
optical ring
network
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
DE602004015230T
Other languages
English (en)
Inventor
Ashwin Anil Gumaste
Susumu Kinoshita
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602004015230D1 publication Critical patent/DE602004015230D1/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
    • H04J14/0278—WDM optical network architectures
    • H04J14/0286—WDM hierarchical architectures
    • 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
    • H04J14/0215—Architecture aspects
    • H04J14/022—For interconnection of WDM optical 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
    • H04J14/0283—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
    • 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
    • H04J14/0294—Dedicated protection at the optical channel (1+1)
    • 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)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
DE602004015230T 2003-11-26 2004-11-03 Optisches Ringnetzwerk mit optischen Unternetzwerken Expired - Lifetime DE602004015230D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/722,856 US7483637B2 (en) 2003-11-26 2003-11-26 Optical ring network with optical subnets and method

Publications (1)

Publication Number Publication Date
DE602004015230D1 true DE602004015230D1 (de) 2008-09-04

Family

ID=34465697

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004015230T Expired - Lifetime DE602004015230D1 (de) 2003-11-26 2004-11-03 Optisches Ringnetzwerk mit optischen Unternetzwerken

Country Status (4)

Country Link
US (1) US7483637B2 (de)
EP (1) EP1536583B1 (de)
JP (1) JP4538302B2 (de)
DE (1) DE602004015230D1 (de)

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US7369765B2 (en) * 2004-02-26 2008-05-06 Fujitsu Limited Optical network with selective mode switching
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US8554081B2 (en) * 2008-07-09 2013-10-08 Tyco Electronics Subsea Communications, Llc Optical add/drop multiplexer including reconfigurable filters and system including the same
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
CN102891795B (zh) * 2012-10-11 2016-12-21 上海金自天正信息技术有限公司 一种工业安全通信网关

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Also Published As

Publication number Publication date
US7483637B2 (en) 2009-01-27
JP2005160097A (ja) 2005-06-16
US20050111495A1 (en) 2005-05-26
JP4538302B2 (ja) 2010-09-08
EP1536583A2 (de) 2005-06-01
EP1536583B1 (de) 2008-07-23
EP1536583A3 (de) 2006-06-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition