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FR2939587B1 - Horloge pour un noeud d'un reseau a commutation de paquets et procede de synchronisation associe. - Google Patents

Horloge pour un noeud d'un reseau a commutation de paquets et procede de synchronisation associe.

Info

Publication number
FR2939587B1
FR2939587B1 FR0858369A FR0858369A FR2939587B1 FR 2939587 B1 FR2939587 B1 FR 2939587B1 FR 0858369 A FR0858369 A FR 0858369A FR 0858369 A FR0858369 A FR 0858369A FR 2939587 B1 FR2939587 B1 FR 2939587B1
Authority
FR
France
Prior art keywords
clock
node
switching network
packet switching
synchronization method
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR0858369A
Other languages
English (en)
Other versions
FR2939587A1 (fr
Inventor
Pallec Michel Le
Dinh Thai Bui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent SAS
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
Priority to FR0858369A priority Critical patent/FR2939587B1/fr
Application filed by Alcatel Lucent SAS filed Critical Alcatel Lucent SAS
Priority to EP09768029A priority patent/EP2377256B1/fr
Priority to CN200980149281.4A priority patent/CN102246443B/zh
Priority to PCT/EP2009/066485 priority patent/WO2010066664A1/fr
Priority to JP2011540037A priority patent/JP2012511849A/ja
Priority to KR1020117013016A priority patent/KR101301933B1/ko
Priority to US12/998,738 priority patent/US8964722B2/en
Publication of FR2939587A1 publication Critical patent/FR2939587A1/fr
Application granted granted Critical
Publication of FR2939587B1 publication Critical patent/FR2939587B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0679—Clock or time synchronisation in a network by determining clock distribution path in a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
FR0858369A 2008-12-09 2008-12-09 Horloge pour un noeud d'un reseau a commutation de paquets et procede de synchronisation associe. Expired - Fee Related FR2939587B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR0858369A FR2939587B1 (fr) 2008-12-09 2008-12-09 Horloge pour un noeud d'un reseau a commutation de paquets et procede de synchronisation associe.
CN200980149281.4A CN102246443B (zh) 2008-12-09 2009-12-07 用于分组交换网络节点的时钟以及关联的同步方法
PCT/EP2009/066485 WO2010066664A1 (fr) 2008-12-09 2009-12-07 Horloge pour nœud d'un réseau à commutation de paquets et procédé de synchronisation associé
JP2011540037A JP2012511849A (ja) 2008-12-09 2009-12-07 パケット交換網のノード用のクロックおよび関連する同期方法
EP09768029A EP2377256B1 (fr) 2008-12-09 2009-12-07 Horloge pour un noeud de reseau a commutation de paquets et procede de synchronisation associe
KR1020117013016A KR101301933B1 (ko) 2008-12-09 2009-12-07 패킷-교환 네트워크의 노드를 위한 클럭 및 연관된 동기화 방법
US12/998,738 US8964722B2 (en) 2008-12-09 2009-12-07 Clock for a node of a packet-switched network, and associated synchronisation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0858369A FR2939587B1 (fr) 2008-12-09 2008-12-09 Horloge pour un noeud d'un reseau a commutation de paquets et procede de synchronisation associe.

Publications (2)

Publication Number Publication Date
FR2939587A1 FR2939587A1 (fr) 2010-06-11
FR2939587B1 true FR2939587B1 (fr) 2011-04-08

Family

ID=40886219

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0858369A Expired - Fee Related FR2939587B1 (fr) 2008-12-09 2008-12-09 Horloge pour un noeud d'un reseau a commutation de paquets et procede de synchronisation associe.

Country Status (7)

Country Link
US (1) US8964722B2 (fr)
EP (1) EP2377256B1 (fr)
JP (1) JP2012511849A (fr)
KR (1) KR101301933B1 (fr)
CN (1) CN102246443B (fr)
FR (1) FR2939587B1 (fr)
WO (1) WO2010066664A1 (fr)

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US8630315B2 (en) * 2010-02-17 2014-01-14 Ciena Corporation Ethernet network synchronization systems and methods
JP5495323B2 (ja) * 2010-07-16 2014-05-21 Ｋｄｄｉ株式会社 ネットワークを介した時刻同期装置
US8909509B2 (en) * 2010-10-01 2014-12-09 Rockwell Automation Technologies, Inc. Dynamically selecting master clock to manage non-linear simulation clocks
FI124018B (fi) 2010-11-24 2014-02-14 Tellabs Oy Lähetinvastaanotinyksikkö
US8675689B2 (en) 2011-02-15 2014-03-18 General Electric Company Method of time synchronization of free running nodes in an avionics network
CN103107876B (zh) * 2011-11-15 2018-05-01 中兴通讯股份有限公司 一种多时钟同步技术混合组网的实现方法和系统和装置
CN102404104B (zh) * 2011-11-24 2018-01-19 中兴通讯股份有限公司 基于不同延时机制的自适应同步方法及系统
CN102420667A (zh) * 2011-11-29 2012-04-18 浙江省电力公司 一种基于同步数字体系的时间同步网的系统与实现方法
IL217232A0 (en) * 2011-12-27 2012-03-29 Eci Telecom Ltd Technique for monitoring and management of data networks
US8879552B2 (en) * 2012-02-22 2014-11-04 Telefonaktiebolaget L M Ericsson (Publ) Precision time protocol offloading in a PTP boundary clock
IN2014DN08118A (fr) * 2012-03-30 2015-05-01 Ericsson Telefon Ab L M
CN103428081A (zh) * 2012-05-14 2013-12-04 中兴通讯股份有限公司 一种分组网络同步方法、装置及系统
CN103428086B (zh) 2012-05-25 2016-08-03 北京东土科技股份有限公司 基于ptp协议的透明时钟被动端口选举方法及装置
US9679273B2 (en) * 2012-10-24 2017-06-13 Blackberry Limited Method, system and communication device for generating notification signals
EP2725728B1 (fr) 2012-10-29 2018-08-15 ADVA Optical Networking SE Procédé et dispositif pour évaluer la performance d'un ou plusieurs services de synchronisation de paquets dans un réseau de transmission de données par paquets
CN103916950B (zh) * 2012-12-31 2018-11-23 中兴通讯股份有限公司 时间同步方法及系统
CN104426645A (zh) * 2013-09-02 2015-03-18 华为技术有限公司 确定以太时钟源的方法和装置
US9432144B2 (en) 2014-09-12 2016-08-30 Ciena Corporation Precision time transfer systems and methods in optical networks
US9722772B2 (en) * 2014-09-29 2017-08-01 Alcatel Lucent Distribution of dynamic accuracy information in a network of IEEE 1588 clocks
US9608751B2 (en) 2015-03-18 2017-03-28 Accedian Networks Inc. Simplified synchronized Ethernet implementation
CN106302251B (zh) 2015-06-26 2019-09-06 深圳市中兴微电子技术有限公司 一种交换网络同步方法及交换装置、接入装置
CN105553589B (zh) * 2015-12-08 2018-03-06 中国联合网络通信集团有限公司 分组承载网络中实现时间同步的方法及装置
CN105450384A (zh) * 2015-12-10 2016-03-30 中国能源建设集团广东省电力设计研究院有限公司 通信系统同步时钟对时装置
CN107046449A (zh) * 2016-02-06 2017-08-15 华为技术有限公司 用于时间同步的方法和时钟
JP6587566B2 (ja) * 2016-03-23 2019-10-09 ルネサスエレクトロニクス株式会社 半導体装置
US10298346B2 (en) * 2016-06-02 2019-05-21 Cisco Technology, Inc. Directed acyclic graph optimization based on timing information for generating optimized network clock
EP3270531B1 (fr) 2016-07-11 2022-07-06 ADVA Optical Networking SE Système et procédé de synchronisation d'une horloge répartie dans un réseau compatible avec les paquets
US20180109369A1 (en) * 2016-10-14 2018-04-19 General Electric Technology Gmbh Systems and methods for synchronizing time sources within a protection zone of a digital power substation
US10834768B2 (en) 2016-11-10 2020-11-10 Sony Corporation Wireless apparats and wireless apparatus processing method to enhance time synchronization accuracy between a plurality of wireless apparatuses in a wireless network
JP6805938B2 (ja) * 2017-03-31 2020-12-23 株式会社明電舎 仮想ｌａｎの時刻同期方法
KR102195766B1 (ko) 2017-10-25 2020-12-28 에스케이텔레콤 주식회사 이웃 노드 간의 협업 및 사전 데이터 학습을 이용한 클럭 동기화 방법 및 장치
US10594395B2 (en) 2018-07-23 2020-03-17 Ciena Corporation Systems and methods for compensating coherent optics delay asymmetry in a packet optical network
US11539451B2 (en) * 2019-02-28 2022-12-27 Nxp B.V. Method and system for merging clocks from multiple precision time protocol (PTP) clock domains
KR20210067743A (ko) * 2019-11-29 2021-06-08 주식회사 쏠리드 네트워크 관리 시스템 및 통신 네트워크의 동기화 방법
US11552722B2 (en) 2020-12-10 2023-01-10 Ciena Corporation Precision time protocol using a coherent optical DSP frame
JP2024151437A (ja) * 2023-04-12 2024-10-25 国立研究開発法人情報通信研究機構 無線装置間の同期方法、無線装置、無線装置間の同期システム

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JPH01228342A (ja) * 1988-03-09 1989-09-12 Fujitsu Ltd 網同期装置
US5594739A (en) * 1995-11-01 1997-01-14 Telefonaktiebolaget Lm Ericsson System and method for rapid selection of synchronization sources in a mobile telecommunications network
FI103307B (fi) * 1997-02-11 1999-05-31 Nokia Telecommunications Oy Tietoliikenneverkon synkronointi
US6665316B1 (en) * 1998-09-29 2003-12-16 Agilent Technologies, Inc. Organization of time synchronization in a distributed system
KR20060028587A (ko) * 2004-09-25 2006-03-30 삼성전자주식회사 동기화 이더넷 시스템에서의 타이밍 마스터 선정 방법
JP2006310964A (ja) * 2005-04-26 2006-11-09 Canon Inc 通信端末装置及びその制御方法、並びにプログラム
US7447931B1 (en) * 2005-12-09 2008-11-04 Rockwell Automation Technologies, Inc. Step time change compensation in an industrial automation network
GB0712039D0 (en) * 2006-12-21 2007-08-01 Zarlink Semiconductor Inc Integrated phase lock loop and network PHY or switch

Also Published As

Publication number Publication date
KR20110084982A (ko) 2011-07-26
CN102246443B (zh) 2014-11-19
US8964722B2 (en) 2015-02-24
JP2012511849A (ja) 2012-05-24
EP2377256B1 (fr) 2013-03-13
WO2010066664A1 (fr) 2010-06-17
US20110255546A1 (en) 2011-10-20
FR2939587A1 (fr) 2010-06-11
EP2377256A1 (fr) 2011-10-19
KR101301933B1 (ko) 2013-09-16
CN102246443A (zh) 2011-11-16

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Legal Events

Date Code Title Description
CA Change of address
GC Lien (pledge) constituted

Effective date: 20130923

RG Lien (pledge) cancelled

Effective date: 20141016

ST Notification of lapse

Effective date: 20160831