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

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)

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* Cited by examiner, † Cited by third party
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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
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
WO2015042840A1 (en) * 2013-09-26 2015-04-02 华为技术有限公司 Fault recovery method, node and path computation unit
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
WO2016165061A1 (en) * 2015-04-14 2016-10-20 华为技术有限公司 Service protecting 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
WO2018054197A1 (en) * 2016-09-21 2018-03-29 Huawei Technologies Co., Ltd. Method and apparatus for path selecting
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
CN114531390A (en) * 2020-11-06 2022-05-24 南京中兴新软件有限责任公司 Method and system for recovering topology resources and electronic equipment
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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US6130875A (en) * 1997-10-29 2000-10-10 Lucent Technologies Inc. Hybrid centralized/distributed precomputation of network signal paths
US6151304A (en) * 1997-10-29 2000-11-21 Lucent Technologies Inc. Distributed precomputation of network signal paths with improved performance through parallelization
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
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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
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CN100563354C (en) * 2006-07-03 2009-11-25 华为技术有限公司 Realize the method for service protection in a kind of ASON
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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
WO2011022982A1 (en) 2011-03-03
US8767550B2 (en) 2014-07-01
KR101342787B1 (en) 2013-12-19
KR20120043109A (en) 2012-05-03
EP2458796A1 (en) 2012-05-30
CN101645847A (en) 2010-02-10
EP2458796A4 (en) 2015-07-01
JP2013503516A (en) 2013-01-31
US20120134263A1 (en) 2012-05-31
JP5596149B2 (en) 2014-09-24

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