JP2000099485A - 時間同期を強化した分散システム - Google Patents

時間同期を強化した分散システム

Info

Publication number
JP2000099485A
JP2000099485A JP11239133A JP23913399A JP2000099485A JP 2000099485 A JP2000099485 A JP 2000099485A JP 11239133 A JP11239133 A JP 11239133A JP 23913399 A JP23913399 A JP 23913399A JP 2000099485 A JP2000099485 A JP 2000099485A
Authority
JP
Japan
Prior art keywords
packet
node
circuit
time
timing data
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.)
Pending
Application number
JP11239133A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000099485A5 (enExample
Inventor
John C Eidson
ジョン・シー・アイドソン
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.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of JP2000099485A publication Critical patent/JP2000099485A/ja
Publication of JP2000099485A5 publication Critical patent/JP2000099485A5/ja
Pending legal-status Critical Current

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
    • H04J3/0638—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/14—Time supervision arrangements, e.g. real time clock
    • 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
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • 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
    • H04J3/0673—Clock or time synchronisation among packet nodes using intermediate nodes, e.g. modification of a received timestamp before further transmission to the next packet node, e.g. including internal delay time or residence time into the packet
    • 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
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0697—Synchronisation in a packet node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
JP11239133A 1998-09-10 1999-08-26 時間同期を強化した分散システム Pending JP2000099485A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US151017 1998-09-10
US09/151,017 US6278710B1 (en) 1998-09-10 1998-09-10 Enhancements to time synchronization in distributed systems

Publications (2)

Publication Number Publication Date
JP2000099485A true JP2000099485A (ja) 2000-04-07
JP2000099485A5 JP2000099485A5 (enExample) 2006-08-10

Family

ID=22536990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11239133A Pending JP2000099485A (ja) 1998-09-10 1999-08-26 時間同期を強化した分散システム

Country Status (4)

Country Link
US (1) US6278710B1 (enExample)
EP (2) EP1564919B1 (enExample)
JP (1) JP2000099485A (enExample)
DE (2) DE69933594T2 (enExample)

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WO2009098757A1 (ja) * 2008-02-05 2009-08-13 Fujitsu Limited フレームロス測定方法、システムおよび装置
JP2012520592A (ja) * 2009-03-12 2012-09-06 アルカテル−ルーセント データパケットネットワークの通信ノードを同期させるために選択されたタイプを有する分散データを処理する方法、および関連するデバイス

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US6512990B1 (en) * 2000-01-05 2003-01-28 Agilent Technologies, Inc. Distributed trigger node
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EP1265124B1 (de) * 2001-06-07 2004-05-19 Siemens Aktiengesellschaft Verfahren zum Übermitteln von Zeitinformation über ein Datenpaketnetz
US7251199B2 (en) * 2001-12-24 2007-07-31 Agilent Technologies, Inc. Distributed system time synchronization including a timing signal path
GB2385684A (en) * 2002-02-22 2003-08-27 Sony Uk Ltd Frequency synchronisation of clocks
US7114091B2 (en) * 2002-03-18 2006-09-26 National Instruments Corporation Synchronization of distributed systems
DE10218425A1 (de) * 2002-04-24 2003-11-06 Grundig Ag I Ins Verfahren und Vorrichtung zum Synchronisieren eines Empfängers mit einem Sender bei einer Datenübertragung über ein asynchrones Netzwerk
US20040008973A1 (en) * 2002-07-12 2004-01-15 Marshall Robert Alexander Method and system for synchronizing operation of remote timer with centeral control control unit
EP1576755B1 (en) * 2002-12-06 2012-10-31 Thomson Licensing A method and system for remote tuning and clock synchronization
US7379480B2 (en) * 2003-01-16 2008-05-27 Rockwell Automation Technologies, Inc. Fast frequency adjustment method for synchronizing network clocks
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US7233316B2 (en) * 2003-05-01 2007-06-19 Thomson Licensing Multimedia user interface
US8432942B1 (en) 2003-05-16 2013-04-30 Apple Inc. Providing a timing source for multiple nodes coupled to a circuit-switched network
US7286624B2 (en) * 2003-07-03 2007-10-23 Navcom Technology Inc. Two-way RF ranging system and method for local positioning
DE10333932A1 (de) * 2003-07-25 2005-02-24 Robert Bosch Gmbh Synchronisation von datenverarbeitenden Einheiten
WO2005077063A2 (en) * 2004-02-09 2005-08-25 Semtech Corporation Method and apparatus for aligning time references when separated by an unreliable data packet network
US7315791B2 (en) * 2004-02-18 2008-01-01 National Instruments Corporation Application programming interface for synchronizing multiple instrumentation devices
JP2006004018A (ja) * 2004-06-15 2006-01-05 Ntt Docomo Inc 時刻管理サーバ、情報端末、時刻管理システム及び時刻管理方法
US8930579B2 (en) * 2004-09-13 2015-01-06 Keysight Technologies, Inc. System and method for synchronizing operations of a plurality of devices via messages over a communication network
US7561598B2 (en) * 2004-09-13 2009-07-14 Agilent Technologies, Inc. Add-on module for synchronizing operations of a plurality of devices
US20060059269A1 (en) * 2004-09-13 2006-03-16 Chien Chen Transparent recovery of switch device
US20060056424A1 (en) * 2004-09-15 2006-03-16 Yolin Lih Packet transmission using output buffer
US7768931B2 (en) 2004-10-07 2010-08-03 Westerngeco L.L.C. Hardware-based network packet timestamps: improved network clock synchronization
US7333468B1 (en) * 2005-05-16 2008-02-19 Sun Microsystems, Inc. Digital phase locked loops for packet stream rate matching and restamping
US7990887B2 (en) * 2006-02-22 2011-08-02 Cisco Technology, Inc. Sampling test of network performance
US20080031283A1 (en) * 2006-08-07 2008-02-07 Martin Curran-Gray Time synchronization for network aware devices
DE102007011684A1 (de) 2007-03-09 2008-09-11 Robert Bosch Gmbh Verfahren, CAN-Bus-Treiber und CAN-Bus-System zur Rückgewinnung einer Taktfrequenz eines CAN-Busses
KR100872771B1 (ko) * 2007-09-04 2008-12-09 한국전자통신연구원 암호화 통신에서 키 재동기 프레임을 이용하여 시간정보를동기화하는 장치 및 방법
EP2034642B1 (de) * 2007-09-07 2011-10-26 Siemens Aktiengesellschaft Verfahren zur Übertragung von Synchronisationsnachrichten in einem Kommunikationsnetz
US8559412B1 (en) 2007-12-31 2013-10-15 Rockstar Consortium Us Lp Communication time information in a network to enable synchronization
US8073976B2 (en) 2008-03-27 2011-12-06 Microsoft Corporation Synchronizing clocks in an asynchronous distributed system
JP5370870B2 (ja) 2008-06-02 2013-12-18 ティティーテフ コンピュータテクニーク アクティエンゲゼルシャフト 分散形コンピュータネットワーク内のローカルクロックに同期させるための方法
CN101753609B (zh) * 2008-12-15 2012-09-19 中国移动通信集团公司 分布式系统版本控制方法、节点及系统
WO2010097111A1 (en) * 2009-02-24 2010-09-02 Telefonaktiebolaget Lm Ericsson (Publ) Clock recovery in a communications network
EP2790110A1 (en) 2009-05-20 2014-10-15 Chronologic Pty Limited Precision synchronisation architecture for superspeed Universal Serial BUS devices
US8307235B2 (en) 2010-05-05 2012-11-06 National Instruments Corporation Cross controller clock synchronization
US9306766B2 (en) 2011-03-28 2016-04-05 Honeywell International Inc. Versatile source port enforcement for data networks
US20120278421A1 (en) * 2011-04-27 2012-11-01 Centec Networks (Suzhou) Co., Ltd. Providing a data sample in a measurement and control system
US9756153B2 (en) 2011-06-01 2017-09-05 Finite State Research Llc Method for improving accuracy in computation of one-way transfer time for network time synchronization
US8665884B2 (en) 2011-08-25 2014-03-04 Honeywell International Inc. Embedded end-to-end delay information for data networks
US9628209B2 (en) 2013-01-17 2017-04-18 Viavi Solutions Inc. Time synchronization in distributed network testing equipment
US9759703B2 (en) 2013-09-27 2017-09-12 Li-Cor, Inc. Systems and methods for measuring gas flux
US9723610B2 (en) * 2015-04-07 2017-08-01 Qualcomm Incorporated Multi-layer timing synchronization framework
DE102016200964A1 (de) * 2016-01-25 2017-07-27 Siemens Aktiengesellschaft Verfahren zur Informationsübertragung in einem Kommunikationsnetz
WO2018071961A1 (en) 2016-10-17 2018-04-26 Exablaze Pty Ltd Precision time stamping method and system
US10848160B2 (en) 2018-07-10 2020-11-24 Aerotech, Inc. Devices, systems, and methods for reducing jitter in control systems
WO2020201950A1 (en) 2019-04-01 2020-10-08 Zomojo Pty Ltd A method and apparatus for network time syncing
US12289252B2 (en) 2019-05-22 2025-04-29 Cisco Technology, Inc. Networking apparatus and a method for networking
US11804921B2 (en) 2019-06-25 2023-10-31 Cisco Technology, Inc. Method and apparatus for high precision time stamping
US11438273B2 (en) 2020-07-20 2022-09-06 Altiostar Networks, Inc. Real-time processing in wireless communications systems
US12372998B2 (en) 2022-12-19 2025-07-29 Microsoft Technology Licensing, Llc Synchronization of integrated circuit dies that contain a processor and clock generator by adjusting delay lines based on phase count

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009098757A1 (ja) * 2008-02-05 2009-08-13 Fujitsu Limited フレームロス測定方法、システムおよび装置
JP4983930B2 (ja) * 2008-02-05 2012-07-25 富士通株式会社 フレームロス測定方法、システムおよび装置
US8605598B2 (en) 2008-02-05 2013-12-10 Fujitsu Limited Frame loss measurement method, system, and apparatus
JP2012520592A (ja) * 2009-03-12 2012-09-06 アルカテル−ルーセント データパケットネットワークの通信ノードを同期させるために選択されたタイプを有する分散データを処理する方法、および関連するデバイス

Also Published As

Publication number Publication date
DE69933594D1 (de) 2006-11-23
DE69933594T2 (de) 2007-02-01
EP0986202B1 (en) 2006-04-12
EP0986202A3 (en) 2005-02-09
EP0986202A2 (en) 2000-03-15
DE69930806T2 (de) 2006-08-31
EP1564919B1 (en) 2006-10-11
DE69930806D1 (de) 2006-05-24
US6278710B1 (en) 2001-08-21
EP1564919A1 (en) 2005-08-17

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