IN2012DN01710A - - Google Patents

Info

Publication number
IN2012DN01710A
IN2012DN01710A IN1710DEN2012A IN2012DN01710A IN 2012DN01710 A IN2012DN01710 A IN 2012DN01710A IN 1710DEN2012 A IN1710DEN2012 A IN 1710DEN2012A IN 2012DN01710 A IN2012DN01710 A IN 2012DN01710A
Authority
IN
India
Prior art keywords
restoration
service
route
pcc
pce
Prior art date
Application number
Inventor
Xiaoshan; Xiang
Original Assignee
Zte Corp
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 Zte Corp filed Critical Zte Corp
Publication of IN2012DN01710A publication Critical patent/IN2012DN01710A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0062—Provisions for network management
    • H04Q3/0075—Fault management techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration
    • 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
    • H04L45/42—Centralised routing
    • 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
    • H04J14/0267—Optical signaling or routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—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
    • H04J14/0268—Restoration of optical paths, e.g. p-cycles
    • 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
    • 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
    • H04L45/28—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The disclosure provides a method for improving a service restoration speed in a transmission network, comprising: in a service set-up process, the PCE receives a route computation request including restoration attributes and constraint conditions from a Path Computation Client (PCC), and computes and saves the restoration routes available for the service according to the constraint conditions; and, when receiving the restoration route computation request for the service from the PCC, the PCE selects a route from the restoration routes locally saved and available for the service according to the selection conditions included in the restoration route computation request and sends it to the PCC which restores the service by the received route. The disclosure further provides a PCE. Fig. 5
IN1710DEN2012 2009-08-25 2010-04-27 IN2012DN01710A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910168864A CN101645847A (en) 2009-08-25 2009-08-25 Method and system for improving service resumption speed in transmission network
PCT/CN2010/072256 WO2011022982A1 (en) 2009-08-25 2010-04-27 Method and path computation element for improving service restoration speed in transmission network

Publications (1)

Publication Number Publication Date
IN2012DN01710A true IN2012DN01710A (en) 2015-06-05

Family

ID=41657569

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1710DEN2012 IN2012DN01710A (en) 2009-08-25 2010-04-27

Country Status (7)

Country Link
US (1) US8767550B2 (en)
EP (1) EP2458796A4 (en)
JP (1) JP5596149B2 (en)
KR (1) KR101342787B1 (en)
CN (1) CN101645847A (en)
IN (1) IN2012DN01710A (en)
WO (1) WO2011022982A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101645847A (en) 2009-08-25 2010-02-10 中兴通讯股份有限公司 Method and system for improving service resumption speed in transmission network
US9054831B2 (en) * 2012-01-05 2015-06-09 Ciena Corporation Optical communication network path restoration
CN104253750B (en) 2013-06-26 2018-10-09 华为技术有限公司 Method for obtaining path, path-calculating element, path calculating client and system
CN103636168B (en) * 2013-09-26 2017-09-29 华为技术有限公司 A kind of method of fault recovery, node and path-calculating element
CN105515981A (en) * 2014-10-17 2016-04-20 中兴通讯股份有限公司 Path computation method, tunnel establishment method, PCC, PCE and path computation system
CN106464511B (en) * 2015-04-14 2019-08-02 华为技术有限公司 A service protection method and device
CN105978930A (en) * 2016-04-15 2016-09-28 深圳市永兴元科技有限公司 Network data exchange method and device
CN109716718A (en) * 2016-09-21 2019-05-03 华为技术有限公司 The method and apparatus of Path selection
CN110858820A (en) 2018-08-22 2020-03-03 中兴通讯股份有限公司 Service operation method and device, storage medium and electronic device
CN112399282B (en) 2019-08-15 2023-04-07 中兴通讯股份有限公司 Method and equipment for calculating global concurrent optimization path
US11283518B2 (en) * 2019-11-08 2022-03-22 Infinera Corporation Method and apparatus for a restoration network with dynamic activation of pre-deployed network resources
CN113162781B (en) * 2020-01-22 2023-02-28 浙江宇视科技有限公司 Service recovery method, device, system and storage medium
CN114448877B (en) * 2020-10-16 2023-06-16 华为技术有限公司 Path switching method, device and system
CN114531390B (en) * 2020-11-06 2025-03-18 南京中兴新软件有限责任公司 A method, system and electronic device for restoring topological resources
CN112887135B (en) * 2021-01-22 2022-11-08 烽火通信科技股份有限公司 Method and device for multi-point fault recovery based on state PCE

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US6151304A (en) * 1997-10-29 2000-11-21 Lucent Technologies Inc. Distributed precomputation of network signal paths with improved performance through parallelization
US6130875A (en) * 1997-10-29 2000-10-10 Lucent Technologies Inc. Hybrid centralized/distributed precomputation of network signal paths
JP3575381B2 (en) * 2000-03-24 2004-10-13 日本電気株式会社 Link state routing communication device and link state routing communication method
JP4398113B2 (en) * 2001-05-23 2010-01-13 富士通株式会社 Layered network management system
US7525907B2 (en) 2002-07-05 2009-04-28 Nortel Networks Limited Method, device and software for establishing protection paths on demand and revertive protection switching in a communications network
JP3925423B2 (en) * 2003-02-17 2007-06-06 日本電信電話株式会社 Optimal detour route control system and method, program and recording medium thereof, and communication apparatus
JP2005039362A (en) * 2003-07-16 2005-02-10 Japan Telecom Co Ltd Method and system for path control over packet communication system
US7558276B2 (en) * 2004-11-05 2009-07-07 Cisco Technology, Inc. System and method for retrieving computed paths from a path computation element using a path key
CN100512209C (en) 2005-05-24 2009-07-08 华为技术有限公司 Method for solving resource conflict in distribution route counting
JP4547314B2 (en) * 2005-08-09 2010-09-22 日本電信電話株式会社 Failure recovery method, management node and communication node
JP4120671B2 (en) * 2005-09-16 2008-07-16 日本電気株式会社 Path setting method, communication network, centralized control device and node device used therefor
CN101248630A (en) 2005-12-09 2008-08-20 中兴通讯股份有限公司 Method for realizing automatic exchange optical network quick rerouting
JP4559980B2 (en) * 2006-02-22 2010-10-13 日本電信電話株式会社 Backup path setting system and backup path setting method
CN100563354C (en) * 2006-07-03 2009-11-25 华为技术有限公司 A Method for Realizing Service Protection in Automatic Switching Optical Network
CN101286892B (en) 2007-04-12 2012-09-05 华为技术有限公司 Apparatus and method for service restoration
CN101237399A (en) * 2007-09-28 2008-08-06 华为技术有限公司 Method, system and device for obtaining label switching path
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CN101645847A (en) * 2009-08-25 2010-02-10 中兴通讯股份有限公司 Method and system for improving service resumption speed in transmission network

Also Published As

Publication number Publication date
US8767550B2 (en) 2014-07-01
JP5596149B2 (en) 2014-09-24
WO2011022982A1 (en) 2011-03-03
EP2458796A1 (en) 2012-05-30
KR20120043109A (en) 2012-05-03
KR101342787B1 (en) 2013-12-19
EP2458796A4 (en) 2015-07-01
JP2013503516A (en) 2013-01-31
US20120134263A1 (en) 2012-05-31
CN101645847A (en) 2010-02-10

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