ATE438969T1 - Wegherstellung - Google Patents

Wegherstellung

Info

Publication number
ATE438969T1
ATE438969T1 AT05759445T AT05759445T ATE438969T1 AT E438969 T1 ATE438969 T1 AT E438969T1 AT 05759445 T AT05759445 T AT 05759445T AT 05759445 T AT05759445 T AT 05759445T AT E438969 T1 ATE438969 T1 AT E438969T1
Authority
AT
Austria
Prior art keywords
paths
criterion
path
candidate
established
Prior art date
Application number
AT05759445T
Other languages
English (en)
Inventor
Benjamin Niven-Jenkins
John King
Andrew Lord
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of ATE438969T1 publication Critical patent/ATE438969T1/de

Links

Classifications

    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • 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
    • H04L45/12—Shortest path evaluation
    • H04L45/124—Shortest path evaluation using a combination of metrics
    • 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
    • H04J14/0284—WDM mesh architectures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Window Of Vehicle (AREA)
AT05759445T 2004-07-19 2005-07-12 Wegherstellung ATE438969T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0416110.5A GB0416110D0 (en) 2004-07-19 2004-07-19 Path establishment
PCT/GB2005/002736 WO2006008462A1 (en) 2004-07-19 2005-07-12 Path establishment

Publications (1)

Publication Number Publication Date
ATE438969T1 true ATE438969T1 (de) 2009-08-15

Family

ID=32893810

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05759445T ATE438969T1 (de) 2004-07-19 2005-07-12 Wegherstellung

Country Status (8)

Country Link
US (1) US8532496B2 (de)
EP (1) EP1769600B1 (de)
CN (1) CN1989718B (de)
AT (1) ATE438969T1 (de)
CA (1) CA2573706A1 (de)
DE (1) DE602005015859D1 (de)
GB (1) GB0416110D0 (de)
WO (1) WO2006008462A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0416110D0 (en) * 2004-07-19 2004-08-18 British Telecomm Path establishment
GB0416107D0 (en) * 2004-07-19 2004-08-18 British Telecomm Wavelength selection
US8446815B2 (en) * 2004-12-22 2013-05-21 Telecommunications Research Laboratories Failure independent path protection with p-cycles
CN100461695C (zh) * 2006-06-28 2009-02-11 华为技术有限公司 一种路径的管理方法、实现跨域端到端管理的方法
JP5747711B2 (ja) * 2011-07-22 2015-07-15 富士通株式会社 ネットワーク評価装置
US9258190B2 (en) * 2014-02-10 2016-02-09 Ciena Corporation Systems and methods for managing excess optical capacity and margin in optical networks
US10257596B2 (en) * 2012-02-13 2019-04-09 Ciena Corporation Systems and methods for managing excess optical capacity and margin in optical networks
EP2797247A1 (de) 2013-04-24 2014-10-29 British Telecommunications Public Limited Company Optische Datenübertragung
WO2015052468A1 (en) 2013-10-11 2015-04-16 British Telecommunications Public Limited Company Optical data transmission method and apparatus
US9831947B2 (en) 2016-04-20 2017-11-28 Ciena Corporation Margin determination systems and methods in optical networks
EP3811593A1 (de) 2018-06-21 2021-04-28 British Telecommunications public limited company Pfadauswahl für inhaltsbereitstellungsnetzwerk
US10587339B1 (en) 2018-11-27 2020-03-10 Ciena Corporation Systems and methods for achieving best effort home route capacity on protection paths during optical restoration
CL2018003851A1 (es) 2018-12-28 2020-07-24 Univ Técnica Federico Santa Maria Un método de enrutamiento de menor costo para redes ópticas dinámicas wdm con restricciones de continuidad de longitudes de onda

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US4731878A (en) * 1985-11-29 1988-03-15 American Telephone And Telegraph Company, At&T Bell Laboratories Self-routing switch node combining electronic and photonic switching
US5586128A (en) * 1994-11-17 1996-12-17 Ericsson Ge Mobile Communications Inc. System for decoding digital data using a variable decision depth
US6476945B1 (en) * 1999-06-01 2002-11-05 Nortel Networks Limited Wavelength allocation in a ring
US6275470B1 (en) * 1999-06-18 2001-08-14 Digital Island, Inc. On-demand overlay routing for computer-based communication networks
US6529301B1 (en) * 1999-07-29 2003-03-04 Nortel Networks Limited Optical switch and protocols for use therewith
US6738354B1 (en) * 2000-02-18 2004-05-18 Nortel Networks Limited Label selection for end-to-end label-switched traffic through a communications network
US6519062B1 (en) * 2000-02-29 2003-02-11 The Regents Of The University Of California Ultra-low latency multi-protocol optical routers for the next generation internet
US6763190B2 (en) * 2000-03-03 2004-07-13 Lucent Technologies Inc. Network auto-provisioning and distributed restoration
EP1162855B1 (de) * 2000-06-05 2005-12-07 PIRELLI CAVI E SISTEMI S.p.A. Optisches wellenlängenmultiplexiertes System mit kombinierten wellenlängen Leitweglenkung und Leitweglenkung von optischen Fasern
US6775230B1 (en) * 2000-07-18 2004-08-10 Hitachi, Ltd. Apparatus and method for transmitting frames via a switch in a storage area network
JP2002064529A (ja) 2000-08-16 2002-02-28 Nippon Telegr & Teleph Corp <Ntt> 光伝達網における波長ラベル割り当て方法および波長ラベル管理システム
JP4378882B2 (ja) * 2001-01-17 2009-12-09 日本電気株式会社 光通信ネットワーク、中継増幅装置及びそれらに用いる通信制御方法
US6757495B2 (en) * 2001-01-30 2004-06-29 The Regents Of The University Of California Optical layer multicasting using a multiple sub-carrier header and a multicast switch with active header insertion via single sideband optical processing
US6850705B2 (en) * 2001-03-17 2005-02-01 Fujitsu Limited Online distributed path routing method and system
US20020191247A1 (en) * 2001-04-30 2002-12-19 Xiang Lu Fast restoration in optical mesh network
US20030016410A1 (en) * 2001-07-18 2003-01-23 Innovance Networks Method for engineering connections in a dynamically reconfigurable photonic switched network
US7599621B2 (en) * 2001-07-19 2009-10-06 Alcatel-Lucent Usa Inc. Trail engineering in agile photonic networks
US7171124B2 (en) * 2001-07-19 2007-01-30 Lucent Technologies Inc. Wavelength routing and switching mechanism for a photonic transport network
US7113481B2 (en) * 2001-10-10 2006-09-26 Alcatel Informed dynamic path protection for optical networks
US7362974B2 (en) * 2001-11-30 2008-04-22 Pirelli & C. S.P.A. Method for planning or provisioning data transport networks
US7190902B2 (en) * 2001-12-12 2007-03-13 Lucent Technologies Inc. Wavelength exerciser
US7249169B2 (en) * 2001-12-28 2007-07-24 Nortel Networks Limited System and method for network control and provisioning
JP3823837B2 (ja) * 2002-01-31 2006-09-20 日本電気株式会社 光通信ネットワーク及びそれに用いる光通信ネットワーク設計方法
CA2474644A1 (fr) * 2002-02-21 2003-09-25 Alcatel Procede pour determiner une route spectrale pour une connexion donne dans un reseau de telecommunication optique, et noeud pour la mise en oeuvre de ce procede
US7289730B2 (en) * 2002-04-19 2007-10-30 Nippon Telegraph And Telephone Corporation Optical path communication network, node, and optical path setup method
CN100592702C (zh) * 2002-05-17 2010-02-24 艾利森电话股份有限公司 分组交换多层通信网中的动态路由
US20040120705A1 (en) * 2002-12-18 2004-06-24 Robert Friskney Differentiated resilience in optical networks
US7224897B1 (en) * 2003-04-28 2007-05-29 Lucent Technologies Inc. Method of preconfiguring optical protection trails in a mesh-connected agile photonic network
US20040220886A1 (en) * 2003-04-30 2004-11-04 Lucent Technologies, Inc. Communication signal resource chain assignment for optical networks subject to reach constraints
US7283741B2 (en) * 2003-06-06 2007-10-16 Intellambda Systems, Inc. Optical reroutable redundancy scheme
US7860392B2 (en) * 2003-06-06 2010-12-28 Dynamic Method Enterprises Limited Optical network topology databases based on a set of connectivity constraints
FR2857531B1 (fr) * 2003-07-11 2005-12-02 Cit Alcatel Procede pour determiner une route spectrale dans un reseau de telecommunication optique
DE10333805B4 (de) * 2003-07-24 2016-04-07 Xieon Networks S.À.R.L. Verfahren zur Ermittlung eines Verbindungspfades und eines zugehörigen unbelegten Wellenlängenkanals
US7725035B2 (en) * 2004-04-20 2010-05-25 Fujitsu Limited Method and system for managing network traffic
GB0416110D0 (en) * 2004-07-19 2004-08-18 British Telecomm Path establishment
GB0416107D0 (en) * 2004-07-19 2004-08-18 British Telecomm Wavelength selection
US8238749B2 (en) * 2007-08-27 2012-08-07 Futurewei Technologies, Inc. Distributing wavelength compatible with signaling protocols

Also Published As

Publication number Publication date
CA2573706A1 (en) 2006-01-26
US8532496B2 (en) 2013-09-10
CN1989718B (zh) 2012-07-04
US20080037982A1 (en) 2008-02-14
WO2006008462A1 (en) 2006-01-26
DE602005015859D1 (de) 2009-09-17
EP1769600B1 (de) 2009-08-05
GB0416110D0 (en) 2004-08-18
CN1989718A (zh) 2007-06-27
EP1769600A1 (de) 2007-04-04

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