ATE537624T1 - Netzwerkknoten und puffereinrichtung und scheduling-verfahren - Google Patents

Netzwerkknoten und puffereinrichtung und scheduling-verfahren

Info

Publication number
ATE537624T1
ATE537624T1 AT07816928T AT07816928T ATE537624T1 AT E537624 T1 ATE537624 T1 AT E537624T1 AT 07816928 T AT07816928 T AT 07816928T AT 07816928 T AT07816928 T AT 07816928T AT E537624 T1 ATE537624 T1 AT E537624T1
Authority
AT
Austria
Prior art keywords
switching unit
internal switching
buffer device
inputs
outputs
Prior art date
Application number
AT07816928T
Other languages
English (en)
Inventor
Yi Zhang
Yongkang Pan
Qingbo Su
Sheng Wang
Du Xu
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 ATE537624T1 publication Critical patent/ATE537624T1/de

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
    • H04J14/0201—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
    • 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
    • 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)
AT07816928T 2006-12-26 2007-09-20 Netzwerkknoten und puffereinrichtung und scheduling-verfahren ATE537624T1 (de)

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 (fr) 2006-12-26 2007-09-20 Nœud de réseau et dispositif tampon et procédé d'ordonnancement

Publications (1)

Publication Number Publication Date
ATE537624T1 true ATE537624T1 (de) 2011-12-15

Family

ID=39562100

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07816928T ATE537624T1 (de) 2006-12-26 2007-09-20 Netzwerkknoten und puffereinrichtung und scheduling-verfahren

Country Status (7)

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

Families Citing this family (10)

* 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
US11943571B2 (en) * 2021-03-28 2024-03-26 Newphotonics Ltd. Optical switch with all-optical memory buffer

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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 (de) * 2000-12-22 2002-06-26 Alcatel USA Sourcing, L.P. Ablauffolgesteuerung von Datenkanalen mit Einheitlichem Assoziativspeicher in einem optischen 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
CN101212818A (zh) 2008-07-02
DK2083528T3 (da) 2012-02-27
EP2083528A4 (de) 2009-12-30
ES2377216T3 (es) 2012-03-23
US8249449B2 (en) 2012-08-21
EP2083528B1 (de) 2011-12-14
CN101212818B (zh) 2010-12-08
US20090252493A1 (en) 2009-10-08
WO2008077322A1 (fr) 2008-07-03
EP2083528A1 (de) 2009-07-29

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