ATE419685T1 - Aufrechterhaltung der paketverkehrsqualität in einem optischen netzwerk, wenn ein ausfall einer optischen verbindung auftritt - Google Patents

Aufrechterhaltung der paketverkehrsqualität in einem optischen netzwerk, wenn ein ausfall einer optischen verbindung auftritt

Info

Publication number
ATE419685T1
ATE419685T1 AT01901225T AT01901225T ATE419685T1 AT E419685 T1 ATE419685 T1 AT E419685T1 AT 01901225 T AT01901225 T AT 01901225T AT 01901225 T AT01901225 T AT 01901225T AT E419685 T1 ATE419685 T1 AT E419685T1
Authority
AT
Austria
Prior art keywords
protection
optical
layer
different
link
Prior art date
Application number
AT01901225T
Other languages
English (en)
Inventor
Markku Oksanen
Antti Pietilaeinen
Ronald Brown
Aki Groehn
Reijo Juvonen
Harald Kaaja
Ari Tervonen
Original Assignee
Schofield Technologies Llc
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 Schofield Technologies Llc filed Critical Schofield Technologies Llc
Application granted granted Critical
Publication of ATE419685T1 publication Critical patent/ATE419685T1/de

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
    • 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
    • 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
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • 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
    • H04J14/029—Dedicated protection at the optical multiplex section (1+1)
    • 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
    • H04L45/22—Alternate routing
    • 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
    • H04L45/24—Multipath
    • H04L45/243—Multipath using M+N parallel active paths
    • 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
    • H04L45/302—Route determination based on requested QoS
    • H04L45/306—Route determination based on the nature of the carried application
    • 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
    • H04L45/62—Wavelength based
    • 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
    • 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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0073—Provisions for forwarding or routing, e.g. lookup tables
    • 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
    • H04Q2011/0084—Quality of service aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
  • Optical Couplings Of Light Guides (AREA)
AT01901225T 2001-01-04 2001-01-04 Aufrechterhaltung der paketverkehrsqualität in einem optischen netzwerk, wenn ein ausfall einer optischen verbindung auftritt ATE419685T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2001/000012 WO2002054629A1 (en) 2001-01-04 2001-01-04 Maintaining quality of packet traffic in optical network when a failure of an optical link occurs

Publications (1)

Publication Number Publication Date
ATE419685T1 true ATE419685T1 (de) 2009-01-15

Family

ID=8555890

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01901225T ATE419685T1 (de) 2001-01-04 2001-01-04 Aufrechterhaltung der paketverkehrsqualität in einem optischen netzwerk, wenn ein ausfall einer optischen verbindung auftritt

Country Status (8)

Country Link
US (1) US20040057724A1 (de)
EP (1) EP1348265B1 (de)
JP (1) JP4386638B2 (de)
CN (2) CN1316761C (de)
AT (1) ATE419685T1 (de)
CA (1) CA2433061A1 (de)
DE (1) DE60137261D1 (de)
WO (1) WO2002054629A1 (de)

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KR100498931B1 (ko) * 2002-12-06 2005-07-04 삼성전자주식회사 양방향 파장분할다중방식 자기치유 광통신망
KR100569825B1 (ko) * 2003-08-07 2006-04-11 최준국 절체형 미디어 변환기와 그를 포함하는 상하향 동일파장의 링형 ｗｄｍ ｐｏｎ 시스템
US7697455B2 (en) * 2004-02-17 2010-04-13 Dynamic Method Enterprises Limited Multiple redundancy schemes in an optical network
US7627243B2 (en) * 2004-02-17 2009-12-01 Dynamic Method Enterprises Limited Methods and apparatuses for handling multiple failures in an optical network
US7054262B2 (en) * 2004-03-26 2006-05-30 Cisco Technology, Inc. Line-level path protection in the optical layer
US7656886B2 (en) * 2005-02-07 2010-02-02 Chin-Tau Lea Non-blocking internet backbone network
CN100388686C (zh) * 2005-04-27 2008-05-14 华为技术有限公司 传输网络的保护方法
US20070076768A1 (en) * 2005-09-20 2007-04-05 Chiesa Luca D Reconfigurable multiple port transponder
US7529489B2 (en) * 2005-09-21 2009-05-05 Cisco Technology, Inc. Reconfigurable multiple port transponder
US7898957B2 (en) * 2005-10-03 2011-03-01 The Hong Kong University Of Science And Technology Non-blocking destination-based routing networks
US7688834B2 (en) * 2006-10-16 2010-03-30 Fujitsu Limited System and method for providing support for multiple control channels
US7889640B2 (en) * 2006-10-16 2011-02-15 Fujitsu Limited System and method for establishing protected connections
US8218968B2 (en) * 2006-10-16 2012-07-10 Fujitsu Limited System and method for discovering neighboring nodes
US7986623B2 (en) * 2006-10-16 2011-07-26 Fujitsu Limited System and method for rejecting a request to alter a connection
CN101296062B (zh) * 2007-04-28 2012-04-11 许继集团有限公司 光纤纵差保护中的双通道数据传输方法
CN101588219B (zh) * 2008-05-23 2013-09-11 中兴通讯股份有限公司 一种多节点roadm环网中roadm的光层保护方法
CN101924626A (zh) * 2009-06-09 2010-12-22 中兴通讯股份有限公司 一种混合子网的保护方法及系统
CN101599798B (zh) * 2009-07-02 2012-10-10 中兴通讯股份有限公司 环形光传送网中处理多跨段工作通道故障的方法及装置
CN101800599B (zh) * 2010-02-10 2014-05-07 瑞斯康达科技发展股份有限公司 一种光纤线路保护设备及系统
CN101883298B (zh) * 2010-06-30 2013-01-16 烽火通信科技股份有限公司 自动交换光网络中控制平面故障隔离的方法
CN102405620B (zh) * 2011-06-13 2015-05-27 华为技术有限公司 一种网络安全保护方法、装置及系统
CN102821041B (zh) * 2012-07-19 2015-03-25 中国联合网络通信集团有限公司 业务的保护方法和装置
EP2940911B1 (de) * 2014-05-02 2023-11-15 Deutsche Telekom AG Optisches Übertragungsnetzwerk und optische Netzelemente zum Übertragen von WDM-Signalen
BR122023005931B1 (pt) * 2014-10-07 2024-01-02 Sedonasys Systems Ltd Sistemas para gerenciamento de uma falha e de uma rede de comunicação
US10425345B2 (en) * 2017-09-29 2019-09-24 Juniper Networks, Inc. Methods and apparatus for detecting a signal degradation using the pre-forward error correction bit error rate at an optical transponder
CN109120348B (zh) * 2018-10-31 2021-05-25 宁波华讯通信服务有限公司 一种城域网络系统及其网络接入系统
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Also Published As

Publication number Publication date
JP2004517550A (ja) 2004-06-10
DE60137261D1 (de) 2009-02-12
EP1348265B1 (de) 2008-12-31
CA2433061A1 (en) 2002-07-11
US20040057724A1 (en) 2004-03-25
CN1316761C (zh) 2007-05-16
EP1348265A1 (de) 2003-10-01
CN1956359A (zh) 2007-05-02
CN1484896A (zh) 2004-03-24
WO2002054629A1 (en) 2002-07-11
JP4386638B2 (ja) 2009-12-16

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