WO2011072242A3 - Use of pre-validated paths in a wdm network - Google Patents

Use of pre-validated paths in a wdm network Download PDF

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Publication number
WO2011072242A3
WO2011072242A3 PCT/US2010/059922 US2010059922W WO2011072242A3 WO 2011072242 A3 WO2011072242 A3 WO 2011072242A3 US 2010059922 W US2010059922 W US 2010059922W WO 2011072242 A3 WO2011072242 A3 WO 2011072242A3
Authority
WO
WIPO (PCT)
Prior art keywords
validated
path
resource request
optical
wdm
Prior art date
Application number
PCT/US2010/059922
Other languages
French (fr)
Other versions
WO2011072242A2 (en
Inventor
Alberto Tanzi
David Bianchi
Maurizio Gazzola
Original Assignee
Cisco Technology, 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 Cisco Technology, Inc. filed Critical Cisco Technology, Inc.
Priority to CN201080050277.5A priority Critical patent/CN103155458B/en
Publication of WO2011072242A2 publication Critical patent/WO2011072242A2/en
Publication of WO2011072242A3 publication Critical patent/WO2011072242A3/en

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Classifications

    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0256—Optical medium access at the optical channel layer
    • H04J14/0257—Wavelength assignment algorithms
    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0256—Optical medium access at the optical channel layer
    • H04J14/0258—Wavelength identification or labelling
    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0267—Optical signaling or routing
    • 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
    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0267—Optical signaling or routing
    • H04J14/0269—Optical signaling or routing using tables for routing
    • 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

Abstract

Various example embodiments are disclosed. According to an example embodiment, a method may include receiving (710) a resource request for optical resources within a wavelength division multiplexed (WDM) optical network (100); comparing (720) one or more parameters of the resource request to a list (128) of pre-validated paths for the WDM optical network, each pre-validated path identifying an optically feasible label switched path between a source node and a destination node; determining (730) that there is a pre-validated path on the list that matches the one or more parameters of the optical resource request; and sending (740) a message to request a reservation of resources along the matching pre-validated path.
PCT/US2010/059922 2009-12-11 2010-12-10 Use of pre-validated paths in a wdm network WO2011072242A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201080050277.5A CN103155458B (en) 2009-12-11 2010-12-10 Use to the path through verifying in advance in WDM network

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/636,529 2009-12-11
US12/636,529 US8270831B2 (en) 2009-12-11 2009-12-11 Use of pre-validated paths in a WDM network

Publications (2)

Publication Number Publication Date
WO2011072242A2 WO2011072242A2 (en) 2011-06-16
WO2011072242A3 true WO2011072242A3 (en) 2014-04-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/059922 WO2011072242A2 (en) 2009-12-11 2010-12-10 Use of pre-validated paths in a wdm network

Country Status (3)

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US (1) US8270831B2 (en)
CN (1) CN103155458B (en)
WO (1) WO2011072242A2 (en)

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CN103731366B (en) * 2013-12-30 2016-06-29 西安电子科技大学 The adaptive weight leading method of dynamic service flow in optical-fiber network
CN104954288B (en) * 2014-03-28 2019-06-14 华为技术有限公司 Method for sending information, device and communication system
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JP6317827B2 (en) * 2015-01-16 2018-04-25 日本電信電話株式会社 Station side apparatus and wavelength control method
CN108092733B (en) * 2016-11-21 2019-06-18 中兴通讯股份有限公司 Determining method of path that IP network is merged with optical transport network, apparatus and system
US10601520B2 (en) 2018-02-07 2020-03-24 Infinera Corporation Clock recovery for digital subcarriers for optical networks
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US11075694B2 (en) 2019-03-04 2021-07-27 Infinera Corporation Frequency division multiple access optical subcarriers
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US11336369B2 (en) 2019-03-22 2022-05-17 Infinera Corporation Framework for handling signal integrity using ASE in optical networks
US11032020B2 (en) 2019-04-19 2021-06-08 Infiriera Corporation Synchronization for subcarrier communication
US11838105B2 (en) 2019-05-07 2023-12-05 Infinera Corporation Bidirectional optical communications
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US11239935B2 (en) 2019-05-14 2022-02-01 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11296812B2 (en) 2019-05-14 2022-04-05 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
US11476966B2 (en) 2019-05-14 2022-10-18 Infinera Corporation Out-of-band communication channel for subcarrier-based optical communication systems
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Also Published As

Publication number Publication date
US20110142450A1 (en) 2011-06-16
CN103155458B (en) 2016-10-19
US8270831B2 (en) 2012-09-18
WO2011072242A2 (en) 2011-06-16
CN103155458A (en) 2013-06-12

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