CN107615719A - 一种网络中路径计算的方法、装置及系统 - Google Patents

一种网络中路径计算的方法、装置及系统 Download PDF

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Publication number
CN107615719A
CN107615719A CN201580080149.8A CN201580080149A CN107615719A CN 107615719 A CN107615719 A CN 107615719A CN 201580080149 A CN201580080149 A CN 201580080149A CN 107615719 A CN107615719 A CN 107615719A
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path
photosphere
pce
network
calculates
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CN107615719B (zh
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石礌
郑好棉
董继雄
王宇飞
曾峰
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/645—Splitting route computation layer and forwarding layer, e.g. routing according to path computational element [PCE] or based on OpenFlow functionality

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

Abstract

本发明实施例公开了一种网络中路径计算的方法、装置及系统，涉及通信技术领域，能够提高网络的资源利用率。本发明实施例的方法包括：若网络协议层路径计算单元IP PCE在IP层网络计算路径失败时，触发光层PCE在光层网络中计算路径；若所述光层PCE在光层网络计算路径失败时，所述光层PCE向所述IP PCE返回光层网络冲突资源组信息；所述IP PCE根据所述光层网络冲突资源组信息，重新计算从源节点到目的节点的路径。本发明适用于网络算路场景中。

Description

PCT国内申请，说明书已公开。

Claims (15)

  1. PCT国内申请，权利要求书已公开。
CN201580080149.8A 2015-07-03 2015-07-03 一种网络中路径计算的方法、装置及系统 Active CN107615719B (zh)

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PCT/CN2015/083290 WO2017004747A1 (zh) 2015-07-03 2015-07-03 一种网络中路径计算的方法、装置及系统

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CN107615719B CN107615719B (zh) 2020-07-28

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EP (1) EP3249858B1 (zh)
CN (1) CN107615719B (zh)
ES (1) ES2720277T3 (zh)
WO (1) WO2017004747A1 (zh)

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CN109995649B (zh) * 2017-12-29 2022-02-25 华为技术有限公司 一种用于获取跨域链路的方法及装置

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CN1625869A (zh) * 2002-05-17 2005-06-08 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
CN102136940A (zh) * 2010-12-31 2011-07-27 华为技术有限公司 一种网络恢复方法和装置
CN104426766A (zh) * 2013-08-30 2015-03-18 瞻博网络公司 跨多个网络层的动态端到端网络路径建立

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Publication number Priority date Publication date Assignee Title
CN101001200B (zh) * 2006-01-13 2010-12-22 华为技术有限公司 一种区域间流量工程全网计算方法及系统
US7831700B2 (en) * 2006-10-16 2010-11-09 Futurewei Technologies, Inc. Distributed PCE-based system and architecture in multi-layer network
CN101610432A (zh) * 2009-07-10 2009-12-23 北京邮电大学 一种支持群计算单元协作路径计算的信令实现方法
CN102469009B (zh) * 2010-11-09 2015-06-03 中兴通讯股份有限公司 有状态路径计算单元的处理方法及有状态路径计算单元

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1625869A (zh) * 2002-05-17 2005-06-08 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
CN102136940A (zh) * 2010-12-31 2011-07-27 华为技术有限公司 一种网络恢复方法和装置
CN104426766A (zh) * 2013-08-30 2015-03-18 瞻博网络公司 跨多个网络层的动态端到端网络路径建立

Non-Patent Citations (2)

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D.DHODY等: ""Packet Optical Integration (POI) Use Cases for Abstraction and Control of Transport Networks (ACTN)；draft-dhody-actn-poi-use-case-04"", 《IETF》 *
E.OKI等: ""Framework for PCE-Based Inter-Layer MPLS and GMPLS Traffic Engineering"", 《IETF》 *

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Publication number Publication date
EP3249858A4 (en) 2018-01-24
CN107615719B (zh) 2020-07-28
WO2017004747A1 (zh) 2017-01-12
ES2720277T3 (es) 2019-07-19
EP3249858B1 (en) 2019-02-06
EP3249858A1 (en) 2017-11-29

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