WO2005074498A3 - Method and system for design and routing in transparent optical networks - Google Patents

Method and system for design and routing in transparent optical networks Download PDF

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Publication number
WO2005074498A3
WO2005074498A3 PCT/US2005/001957 US2005001957W WO2005074498A3 WO 2005074498 A3 WO2005074498 A3 WO 2005074498A3 US 2005001957 W US2005001957 W US 2005001957W WO 2005074498 A3 WO2005074498 A3 WO 2005074498A3
Authority
WO
WIPO (PCT)
Prior art keywords
network
transparent
networks
impairment
oeo
Prior art date
Application number
PCT/US2005/001957
Other languages
French (fr)
Other versions
WO2005074498A2 (en
Inventor
Tamra Carpenter
David Shallcross
Joel Gannett
Janet Jackel
Lehmen Ann Von
Original Assignee
Telcordia Tech 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 Telcordia Tech Inc filed Critical Telcordia Tech Inc
Publication of WO2005074498A2 publication Critical patent/WO2005074498A2/en
Publication of WO2005074498A3 publication Critical patent/WO2005074498A3/en

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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
    • H04Q11/0062—Network aspects
    • 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
    • H04J14/0284—WDM mesh architectures
    • 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
    • H04Q2011/0086—Network resource allocation, dimensioning or optimisation

Abstract

The present invention relates to a method and system for design and routing in telecommunications networks having transparent elements such as photonic switches. Transparent optical networks transmit signals optically, performing both switching and amplification photonically. As a result, transparent networks may be more economical than conventional 'opaque' optical networks that convert signals to electronic form at each network node because they do not require as much equipment for performing optical­-electrical conversion. However, transparent networks pose new operational challenges. Physical-layer impairments that are repaired by optical-electrical-optical (OEO) regeneration can accumulate along (transparent) connection paths. To effectively deploy and utilize transparency, mechanisms to assure that impairment-feasible paths exist and can be identified in the network are required. The present invention provides: 1) a method for locating OEO-­regeneration capability to assure the existence of impairment-feasible paths in a network and 2) a method for identifying impairment-feasible connection paths in a network of transparent and OEO-capable nodes. The first is a method related to network design, which models the design problem as a variation of a connected dominating set problem. The second is a method related to network routing, which transforms the impairment-aware routing problem into a shortest-path problem in an expanded network. The design methodology of the present invention employs both domination and connectability concepts to enable sparser placement of OEO regeneration capability within networks. Further, the routing methodology of the present invention provides a mechanism for finding feasible routes with respect to impairment constraints while minimizing the use of OEO interfaces to assure such feasibility.
PCT/US2005/001957 2004-01-30 2005-01-21 Method and system for design and routing in transparent optical networks WO2005074498A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/768,911 US7286480B2 (en) 2004-01-30 2004-01-30 Method and system for design and routing in transparent optical networks
US10/768,911 2004-01-30

Publications (2)

Publication Number Publication Date
WO2005074498A2 WO2005074498A2 (en) 2005-08-18
WO2005074498A3 true WO2005074498A3 (en) 2007-11-22

Family

ID=34807994

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/001957 WO2005074498A2 (en) 2004-01-30 2005-01-21 Method and system for design and routing in transparent optical networks

Country Status (2)

Country Link
US (1) US7286480B2 (en)
WO (1) WO2005074498A2 (en)

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JP2006042279A (en) * 2004-07-30 2006-02-09 Fujitsu Ltd Network designing apparatus and program
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US10332071B2 (en) 2005-12-08 2019-06-25 International Business Machines Corporation Solution for adding context to a text exchange modality during interactions with a composite services application
US8259923B2 (en) * 2007-02-28 2012-09-04 International Business Machines Corporation Implementing a contact center using open standards and non-proprietary components
US8594305B2 (en) 2006-12-22 2013-11-26 International Business Machines Corporation Enhancing contact centers with dialog contracts
US7623785B2 (en) * 2006-12-28 2009-11-24 Verizon Services Corp. DWDM optical network planning method
US20080181609A1 (en) * 2007-01-26 2008-07-31 Xiaochuan Yi Methods and apparatus for designing a fiber-optic network
US20080205625A1 (en) * 2007-02-28 2008-08-28 International Business Machines Corporation Extending a standardized presence document to include contact center specific elements
US7912691B2 (en) * 2007-05-11 2011-03-22 At&T Intellectual Property I, L.P. Methods of placing reconfigurable optical add/drop multiplexers (ROADMS) in a network
US8340999B2 (en) * 2007-11-27 2012-12-25 International Business Machines Corporation Automatic generation of executable components from business process models
US20100104281A1 (en) * 2008-10-29 2010-04-29 Dhillon Abinder S Selecting Regeneration Nodes During Path Computation
US8565598B2 (en) 2010-05-03 2013-10-22 Cisco Technology, Inc. Selecting an optical path for a new connection with the minimum number of optical regenerators
US9014022B2 (en) * 2010-11-15 2015-04-21 Level 3 Communications, Llc Wavelength regeneration in a network
US8724516B2 (en) * 2011-10-06 2014-05-13 Rockwell Collins, Inc. Unifying connected dominating set using localized two hop information with a flexible dominating factor
IN2012DE00287A (en) 2012-02-02 2015-04-10 Ciena Corp
CN109033125B (en) * 2018-05-31 2022-05-13 黑龙江大学 Time sequence data domination set information extraction method
US10812371B2 (en) 2018-10-12 2020-10-20 At&T Intellectual Property I, L.P. Methods, devices and systems for determining a target path in a network
US11563670B2 (en) 2018-10-12 2023-01-24 At&T Intellectual Property I, L.P. Methods, devices and systems for determining a target path
CN111935008B (en) * 2020-07-29 2022-02-18 中国南方电网有限责任公司 Optical network routing method and system based on physical layer damage constraint of machine learning

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US5724659A (en) * 1996-07-01 1998-03-03 Motorola, Inc. Multi-mode variable bandwidth repeater switch and method therefor
US20030035166A1 (en) * 2001-08-17 2003-02-20 Quantum Bridge Communications, Inc. Method and apparatus for path selection and wavelength assignment in an optical network
US20030227924A1 (en) * 2002-06-10 2003-12-11 Kodialam Muralidharan S. Capacity allocation for networks having path length routing constraints
US20040109407A1 (en) * 2002-12-05 2004-06-10 Telecommunications Research Laboratories. Path segment protecting p-cycles

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US6260072B1 (en) * 1997-06-12 2001-07-10 Lucent Technologies Inc Method and apparatus for adaptive routing in packet networks
US6870813B1 (en) * 2000-09-07 2005-03-22 Nortel Networks Limited Architectures for evolving traditional service provider networks and methods of optimization therefor
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US7171124B2 (en) * 2001-07-19 2007-01-30 Lucent Technologies Inc. Wavelength routing and switching mechanism for a photonic transport network

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724659A (en) * 1996-07-01 1998-03-03 Motorola, Inc. Multi-mode variable bandwidth repeater switch and method therefor
US20030035166A1 (en) * 2001-08-17 2003-02-20 Quantum Bridge Communications, Inc. Method and apparatus for path selection and wavelength assignment in an optical network
US20030227924A1 (en) * 2002-06-10 2003-12-11 Kodialam Muralidharan S. Capacity allocation for networks having path length routing constraints
US20040109407A1 (en) * 2002-12-05 2004-06-10 Telecommunications Research Laboratories. Path segment protecting p-cycles

Also Published As

Publication number Publication date
US20050169196A1 (en) 2005-08-04
US7286480B2 (en) 2007-10-23
WO2005074498A2 (en) 2005-08-18

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