DK2083528T3 - Netværksknude og bufferenhed samt planlægningsmetode - Google Patents

Netværksknude og bufferenhed samt planlægningsmetode

Info

Publication number
DK2083528T3
DK2083528T3 DK07816928.1T DK07816928T DK2083528T3 DK 2083528 T3 DK2083528 T3 DK 2083528T3 DK 07816928 T DK07816928 T DK 07816928T DK 2083528 T3 DK2083528 T3 DK 2083528T3
Authority
DK
Denmark
Prior art keywords
switching unit
internal switching
network node
buffer unit
inputs
Prior art date
Application number
DK07816928.1T
Other languages
English (en)
Inventor
Du Xu
Yi Zhang
Sheng Wang
Yongkang Pan
Qingbo Su
Original Assignee
Huawei Tech Co Ltd
Univ Electronic Science & Tech
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 Huawei Tech Co Ltd, Univ Electronic Science & Tech filed Critical Huawei Tech Co Ltd
Application granted granted Critical
Publication of DK2083528T3 publication Critical patent/DK2083528T3/da

Links

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
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
    • H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
    • H04J14/0246—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU using one wavelength per ONU
    • 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
    • H04J14/0254—Optical medium access
    • H04J14/0256—Optical medium access at the optical channel layer
    • 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
    • H04J14/0283—WDM ring 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
    • H04Q11/0005—Switch and router aspects
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0016—Construction using wavelength multiplexing or demultiplexing
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/002—Construction using optical delay lines or optical buffers or optical recirculation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
DK07816928.1T 2006-12-26 2007-09-20 Netværksknude og bufferenhed samt planlægningsmetode DK2083528T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610168222.XA CN101212818B (zh) 2006-12-26 2006-12-26 网络节点及缓存装置及调度方法
PCT/CN2007/070737 WO2008077322A1 (en) 2006-12-26 2007-09-20 A network node and a buffer device and a scheduling method

Publications (1)

Publication Number Publication Date
DK2083528T3 true DK2083528T3 (da) 2012-02-27

Family

ID=39562100

Family Applications (1)

Application Number Title Priority Date Filing Date
DK07816928.1T DK2083528T3 (da) 2006-12-26 2007-09-20 Netværksknude og bufferenhed samt planlægningsmetode

Country Status (7)

Country Link
US (1) US8249449B2 (da)
EP (1) EP2083528B1 (da)
CN (1) CN101212818B (da)
AT (1) ATE537624T1 (da)
DK (1) DK2083528T3 (da)
ES (1) ES2377216T3 (da)
WO (1) WO2008077322A1 (da)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101212818B (zh) 2006-12-26 2010-12-08 华为技术有限公司 网络节点及缓存装置及调度方法
CN101662704B (zh) * 2008-08-26 2012-09-05 华为技术有限公司 获取光波长路径的方法、系统和节点设备
CN102427567B (zh) * 2011-12-13 2013-12-25 东南大学 基于光分组交换的异步多波长网状网自适应节点系统
KR101727779B1 (ko) * 2013-01-02 2017-04-17 한국전자통신연구원 파장 가변 광 모듈 기반 수동형 광 망 거리 확장장치 및 그 방법
CN103401739B (zh) * 2013-08-05 2016-06-29 东南大学 一种支持传感接入和光分组传输的传感网络的节点装置
CN104104617B (zh) * 2014-08-07 2017-10-17 曙光信息产业(北京)有限公司 一种报文仲裁方法及装置
US9794657B1 (en) * 2016-06-02 2017-10-17 Huawei Technologies Co., Ltd. System and method for optical switching
CN107318056B (zh) * 2017-05-05 2020-02-11 李景涛 基于阵列波导光栅的光交换装置及系统
CN107071594B (zh) * 2017-05-05 2020-03-24 重庆邮电大学 基于频谱转换和光缓存技术的组播交换节点冲突解决方法
WO2021176608A1 (ja) * 2020-03-04 2021-09-10 日本電信電話株式会社 光バッファユニット、光信号処理装置、光ラベルスイッチ及び制御方法
CN118199786A (zh) * 2021-03-28 2024-06-14 纽光电有限公司 具有全光内存缓冲器的光交换器

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Publication number Priority date Publication date Assignee Title
US5115428A (en) * 1989-09-05 1992-05-19 The University Of Colorado Foundation, Inc. Serial array time-slot interchangers
JPH06113348A (ja) 1992-09-30 1994-04-22 Hitachi Ltd バッファ付き光交換回路
US5416769A (en) * 1993-07-13 1995-05-16 At&T Corp. Controlled-feedback packet switching system
US5402256A (en) * 1994-03-31 1995-03-28 At&T Corp. Optical time slot interchanger apparatus and method of operation
US20020118421A1 (en) * 2000-12-22 2002-08-29 Yijun Xiong Channel scheduling in optical routers
EP1217863A2 (en) 2000-12-22 2002-06-26 Alcatel USA Sourcing, L.P. Unified associative memory of data channel schedulers in an optical router
US20020118419A1 (en) * 2000-12-22 2002-08-29 Zheng Si Q. Unified associative memory of data channel schedulers in an optical router
US6856719B2 (en) * 2001-03-12 2005-02-15 Alliance Fiber Optic Products, Inc. Optical switch system
US7099587B2 (en) 2002-05-22 2006-08-29 Doron Handelman Apparatus and method for delaying optical signals for optical buffering and optical storage applications
CN1141817C (zh) * 2002-06-06 2004-03-10 上海交通大学 基于光突发交换的多粒度光路由器
CN1235357C (zh) * 2003-06-26 2006-01-04 上海交通大学 支持突发及非突发业务的全光分组交换节点结构
US7313329B2 (en) * 2003-09-04 2007-12-25 The Regents Of The University Of California All optical variable buffer queue useful in optical packet networks
CN1283058C (zh) * 2003-10-30 2006-11-01 上海交通大学 基于可调波长变换器共享的光包交换节点结构
CN100428660C (zh) * 2004-01-14 2008-10-22 电子科技大学 一种具有内部加速的光突发交换节点
CN1717113A (zh) * 2004-07-02 2006-01-04 电子科技大学 一种支持光突发/分组交换的光电混合交换结构
CN101212818B (zh) 2006-12-26 2010-12-08 华为技术有限公司 网络节点及缓存装置及调度方法

Also Published As

Publication number Publication date
ES2377216T3 (es) 2012-03-23
EP2083528A1 (en) 2009-07-29
WO2008077322A1 (en) 2008-07-03
CN101212818A (zh) 2008-07-02
US8249449B2 (en) 2012-08-21
EP2083528A4 (en) 2009-12-30
CN101212818B (zh) 2010-12-08
ATE537624T1 (de) 2011-12-15
US20090252493A1 (en) 2009-10-08
EP2083528B1 (en) 2011-12-14

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