JP5716229B2 - 時刻同期システム、管理ノード、及び時刻同期方法 - Google Patents

時刻同期システム、管理ノード、及び時刻同期方法 Download PDF

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Publication number
JP5716229B2
JP5716229B2 JP2011287909A JP2011287909A JP5716229B2 JP 5716229 B2 JP5716229 B2 JP 5716229B2 JP 2011287909 A JP2011287909 A JP 2011287909A JP 2011287909 A JP2011287909 A JP 2011287909A JP 5716229 B2 JP5716229 B2 JP 5716229B2
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Japan
Prior art keywords
time
network
packet
slave
value
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Expired - Fee Related
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JP2011287909A
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Japanese (ja)
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JP2013138312A (ja
JP2013138312A5 (enExample
Inventor
緒方　祐次
祐次 緒方
雅毅 山田
雅毅 山田
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Hitachi Ltd
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Hitachi Ltd
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Priority to JP2011287909A priority Critical patent/JP5716229B2/ja
Priority to PCT/JP2012/083806 priority patent/WO2013100019A1/ja
Priority to US14/367,092 priority patent/US9608753B2/en
Publication of JP2013138312A publication Critical patent/JP2013138312A/ja
Publication of JP2013138312A5 publication Critical patent/JP2013138312A5/ja
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    • 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
    • H04J3/0676—Mutual
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/28—Timers or timing mechanisms used in protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/18—Network protocols supporting networked applications, e.g. including control of end-device applications over a network

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Electric Clocks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP2011287909A 2011-12-28 2011-12-28 時刻同期システム、管理ノード、及び時刻同期方法 Expired - Fee Related JP5716229B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2011287909A JP5716229B2 (ja) 2011-12-28 2011-12-28 時刻同期システム、管理ノード、及び時刻同期方法
PCT/JP2012/083806 WO2013100019A1 (ja) 2011-12-28 2012-12-27 時刻同期システム、管理ノード、及び時刻同期方法
US14/367,092 US9608753B2 (en) 2011-12-28 2012-12-27 Time synchronization system, management node, and time synchronization method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011287909A JP5716229B2 (ja) 2011-12-28 2011-12-28 時刻同期システム、管理ノード、及び時刻同期方法

Publications (3)

Publication Number Publication Date
JP2013138312A JP2013138312A (ja) 2013-07-11
JP2013138312A5 JP2013138312A5 (enExample) 2014-07-10
JP5716229B2 true JP5716229B2 (ja) 2015-05-13

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JP2011287909A Expired - Fee Related JP5716229B2 (ja) 2011-12-28 2011-12-28 時刻同期システム、管理ノード、及び時刻同期方法

Country Status (3)

Country Link
US (1) US9608753B2 (enExample)
JP (1) JP5716229B2 (enExample)
WO (1) WO2013100019A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9131010B2 (en) * 2012-10-19 2015-09-08 Nec Laboratories America, Inc. Delay-tolerant and loss-tolerant data transfer for mobile applications
EP3036851B1 (en) * 2013-08-22 2017-05-24 Telefonaktiebolaget LM Ericsson (publ) A method for detecting timing references affected by a change in path delay asymmetry between nodes in a communications network
US9928713B2 (en) 2015-02-24 2018-03-27 KiLife Tech, Inc. Locks for wearable electronic bands
US10032353B2 (en) * 2015-02-24 2018-07-24 KiLife Tech, Inc. Monitoring dependent individuals
US9800482B2 (en) * 2015-04-29 2017-10-24 Ixia Signature-based latency extraction systems and related methods for network packet communications
CN104869587B (zh) * 2015-05-29 2018-10-23 上海大学 无线传感器网络时间同步误差测定方法
WO2017033416A1 (ja) * 2015-08-27 2017-03-02 日本電気株式会社 中継装置、通信システム、及び障害検出方法
US10484163B2 (en) * 2017-10-13 2019-11-19 Cisco Technology, Inc. Measure and improve clock synchronization using combination of transparent and boundary clocks
JP6777332B2 (ja) * 2019-04-08 2020-10-28 Ｎｅｃプラットフォームズ株式会社 時刻同期装置、時刻同期方法およびプログラム
US11284365B2 (en) 2019-10-25 2022-03-22 Rockwell Collins, Inc. Time synchronization over redundant and deterministic switch-based avionics networks
CN112543077B (zh) * 2020-11-16 2022-03-01 珠海格力电器股份有限公司 能源互联网数据时间处理方法、装置、网关及系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6078595A (en) * 1997-08-28 2000-06-20 Ascend Communications, Inc. Timing synchronization and switchover in a network switch
US6098178A (en) * 1998-05-22 2000-08-01 The United States Of America As Represented By The Secretary Of The Navy Time synchronization algorithm for massively parallel processor systems
US6804542B1 (en) * 2000-09-22 2004-10-12 Telefonaktiebolaget Lm Ericsson (Publ) Sleep modes in peer-to-peer communications
JP2007310522A (ja) * 2006-05-17 2007-11-29 Hitachi Electronics Service Co Ltd 時刻同期システム
JP4810520B2 (ja) 2007-09-21 2011-11-09 日本電信電話株式会社 クライアント装置および同期システム
US7990909B2 (en) * 2007-11-02 2011-08-02 Ciena Corporation Synchronization of network nodes
EP2342850B1 (en) * 2008-09-02 2015-05-27 Unify GmbH & Co. KG A method for synchronizing clocks in a communication network
GB0908883D0 (en) * 2009-05-22 2009-07-01 Zarlink Semiconductor Inc Multi input timing recovery over packet networks
JP5458719B2 (ja) * 2009-07-24 2014-04-02 日本電気株式会社 クロック同期システムと通信装置と方法とプログラム
JP2011082858A (ja) * 2009-10-08 2011-04-21 Nippon Telegr & Teleph Corp <Ntt> ネットワーク制御システムおよびネットワーク制御方法
JP5515735B2 (ja) 2009-12-25 2014-06-11 日本電気株式会社 時刻同期システム、マスタノード、スレーブノード、中継装置、時刻同期方法及び時刻同期用プログラム
JP5394283B2 (ja) 2010-02-25 2014-01-22 株式会社日立産機システム 情報処理装置及び制御用ネットワークシステム
FR2967535B1 (fr) * 2010-11-15 2012-11-02 Alcatel Lucent Procede de synchronisation d'horloges maitre et esclave d'un reseau a commutation de paquets et a liaisons agregees entre noeuds, et dispositifs de synchronisation associes
CN104247309B (zh) * 2012-02-09 2017-11-10 马维尔以色列(M.I.S.L.)有限公司 使用多个网络路径的时钟同步

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Publication number Publication date
WO2013100019A1 (ja) 2013-07-04
JP2013138312A (ja) 2013-07-11
US20140348186A1 (en) 2014-11-27
US9608753B2 (en) 2017-03-28

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