DE69930806T2 - Verbesserungen der Zeitsynchronisierung in verteilten Systemen - Google Patents

Verbesserungen der Zeitsynchronisierung in verteilten Systemen Download PDF

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Publication number
DE69930806T2
DE69930806T2 DE69930806T DE69930806T DE69930806T2 DE 69930806 T2 DE69930806 T2 DE 69930806T2 DE 69930806 T DE69930806 T DE 69930806T DE 69930806 T DE69930806 T DE 69930806T DE 69930806 T2 DE69930806 T2 DE 69930806T2
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DE
Germany
Prior art keywords
circuit
timing data
node
data packet
time
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
DE69930806T
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German (de)
English (en)
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DE69930806D1 (de
Inventor
John C. Palo Alto Eidson
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Agilent Technologies Inc
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Agilent Technologies Inc
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Filing date
Publication date
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Application granted granted Critical
Publication of DE69930806D1 publication Critical patent/DE69930806D1/de
Publication of DE69930806T2 publication Critical patent/DE69930806T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE69930806T 1998-09-10 1999-06-10 Verbesserungen der Zeitsynchronisierung in verteilten Systemen Expired - Fee Related DE69930806T2 (de)

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
DE69930806D1 DE69930806D1 (de) 2006-05-24
DE69930806T2 true DE69930806T2 (de) 2006-08-31

Family

ID=22536990

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69930806T Expired - Fee Related DE69930806T2 (de) 1998-09-10 1999-06-10 Verbesserungen der Zeitsynchronisierung in verteilten Systemen
DE69933594T Expired - Fee Related DE69933594T2 (de) 1998-09-10 1999-06-10 Verbesserungen der Zeitsynchronisierung in verteilten Systemen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69933594T Expired - Fee Related DE69933594T2 (de) 1998-09-10 1999-06-10 Verbesserungen der Zeitsynchronisierung in verteilten Systemen

Country Status (4)

Country Link
US (1) US6278710B1 (enExample)
EP (2) EP1564919B1 (enExample)
JP (1) JP2000099485A (enExample)
DE (2) DE69930806T2 (enExample)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9821518D0 (en) * 1998-10-02 1998-11-25 Sony Uk Ltd Digital signal processing and signal format
WO2000044194A1 (de) * 1999-01-19 2000-07-27 Siemens Aktiengesellschaft Verfahren zur zeitsynchronisation eines computerverbundes und computerverbund mit zeitsynchronisation
US6661811B1 (en) * 1999-02-12 2003-12-09 Koninklijke Philips Electronics N.V. Method of and apparatus for communicating isochronous data
DE19912556A1 (de) * 1999-03-19 2000-09-21 Philips Corp Intellectual Pty Drahtloses Netzwerk mit einer Anwendertaktsynchronisation
US6512990B1 (en) * 2000-01-05 2003-01-28 Agilent Technologies, Inc. Distributed trigger node
US6944187B1 (en) * 2000-08-09 2005-09-13 Alcatel Canada Inc. Feature implementation in a real time stamp distribution system
US7151819B2 (en) * 2000-12-29 2006-12-19 Bellsouth Ip Corporation End-to-end network testing
US6853708B1 (en) 2000-12-29 2005-02-08 Bellsouth Intellectual Property Corporation End-to-end network testing
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
CN100504667C (zh) * 2002-12-06 2009-06-24 汤姆森许可贸易公司 用于远程调谐和时钟同步的方法和系统
US7379480B2 (en) * 2003-01-16 2008-05-27 Rockwell Automation Technologies, Inc. Fast frequency adjustment method for synchronizing network clocks
DE602004017423D1 (de) 2003-02-20 2008-12-11 Zarlink Semiconductor Inc Synchronisation von takten über mehrerepaketnetzwerke hinweg
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
CN1934809B (zh) * 2004-02-09 2012-11-14 Sem技术公司 由不可靠数据分组网络分离时校准时间基准的方法和装置
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
US7561598B2 (en) * 2004-09-13 2009-07-14 Agilent Technologies, Inc. Add-on module for synchronizing operations of a plurality of devices
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
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
CN101926154B (zh) * 2008-02-05 2013-07-10 富士通株式会社 帧丢失测定方法、系统以及装置
US8073976B2 (en) 2008-03-27 2011-12-06 Microsoft Corporation Synchronizing clocks in an asynchronous distributed system
WO2009146472A1 (en) * 2008-06-02 2009-12-10 Fts Computertechnik Gmbh Method for synchronizing local clocks in a distributed computer network
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
US20120027146A1 (en) * 2009-02-24 2012-02-02 Telefonaktiebolaget Lm Ericsson (Publ) Clock recovery in a communications network
EP2228927A1 (en) * 2009-03-12 2010-09-15 Alcatel Lucent Method for processing distributed data having a chosen type for synchronizing communication nodes of a data packet network, and associated device
WO2010132943A1 (en) 2009-05-20 2010-11-25 Chronologic Pty. Ltd. Jitter reduction method and apparatus for distributed synchronised clock architecture
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
CN110520815B (zh) * 2016-10-17 2023-11-28 思科技术公司 加精确时间戳的方法和系统
US10848160B2 (en) 2018-07-10 2020-11-24 Aerotech, Inc. Devices, systems, and methods for reducing jitter in control systems
US11962403B2 (en) 2019-04-01 2024-04-16 Cisco Technology, Inc. Method and apparatus for network time syncing
AU2020280261A1 (en) 2019-05-22 2021-10-07 Zomojo Pty Ltd A networking apparatus and a method for networking
AU2020302325B2 (en) 2019-06-25 2025-05-22 Zomojo Pty Ltd A 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

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890222A (en) * 1984-12-17 1989-12-26 Honeywell Inc. Apparatus for substantially syncronizing the timing subsystems of the physical modules of a local area network
DE3638947C2 (de) * 1986-11-14 1995-08-31 Bosch Gmbh Robert Verfahren zur Synchronisation von Rechnern eines Mehrrechnersystems und Mehrrechnersystem
SE466123B (sv) * 1989-04-25 1991-12-16 Kvaser Consultant Ab Anordning foer att synkonisera data i ett datoriserat system, som innefattar en gemensam seriell datakommunikationskanal
US5537549A (en) * 1993-04-28 1996-07-16 Allen-Bradley Company, Inc. Communication network with time coordinated station activity by time slot and periodic interval number
US5566180A (en) * 1994-12-21 1996-10-15 Hewlett-Packard Company Method for recognizing events and synchronizing clocks
US5822383A (en) * 1995-12-15 1998-10-13 Cisco Technology, Inc. System and method for maintaining network synchronization utilizing digital phase comparison techniques with synchronous residual time stamps
US5640388A (en) * 1995-12-21 1997-06-17 Scientific-Atlanta, Inc. Method and apparatus for removing jitter and correcting timestamps in a packet stream
US6665316B1 (en) * 1998-09-29 2003-12-16 Agilent Technologies, Inc. Organization of time synchronization in a distributed system

Also Published As

Publication number Publication date
EP0986202A2 (en) 2000-03-15
DE69933594D1 (de) 2006-11-23
EP0986202B1 (en) 2006-04-12
DE69933594T2 (de) 2007-02-01
EP1564919A1 (en) 2005-08-17
JP2000099485A (ja) 2000-04-07
US6278710B1 (en) 2001-08-21
EP1564919B1 (en) 2006-10-11
DE69930806D1 (de) 2006-05-24
EP0986202A3 (en) 2005-02-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US

8339 Ceased/non-payment of the annual fee