JP2000115210A5 - - Google Patents

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Publication number
JP2000115210A5
JP2000115210A5 JP1999234304A JP23430499A JP2000115210A5 JP 2000115210 A5 JP2000115210 A5 JP 2000115210A5 JP 1999234304 A JP1999234304 A JP 1999234304A JP 23430499 A JP23430499 A JP 23430499A JP 2000115210 A5 JP2000115210 A5 JP 2000115210A5
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JP
Japan
Prior art keywords
clock information
clock
local clock
data packet
timing data
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JP1999234304A
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English (en)
Japanese (ja)
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JP2000115210A (ja
JP4227708B2 (ja
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Priority claimed from US09/162,609 external-priority patent/US6665316B1/en
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Publication of JP2000115210A publication Critical patent/JP2000115210A/ja
Publication of JP2000115210A5 publication Critical patent/JP2000115210A5/ja
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Publication of JP4227708B2 publication Critical patent/JP4227708B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP23430499A 1998-09-29 1999-08-20 分散システム Expired - Fee Related JP4227708B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US162609 1998-09-29
US09/162,609 US6665316B1 (en) 1998-09-29 1998-09-29 Organization of time synchronization in a distributed system

Publications (3)

Publication Number Publication Date
JP2000115210A JP2000115210A (ja) 2000-04-21
JP2000115210A5 true JP2000115210A5 (enExample) 2006-08-17
JP4227708B2 JP4227708B2 (ja) 2009-02-18

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Family Applications (1)

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JP23430499A Expired - Fee Related JP4227708B2 (ja) 1998-09-29 1999-08-20 分散システム

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US (1) US6665316B1 (enExample)
EP (1) EP0991216A3 (enExample)
JP (1) JP4227708B2 (enExample)

Families Citing this family (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6278710B1 (en) * 1998-09-10 2001-08-21 Agilent Technologies, Inc. Enhancements to time synchronization in distributed systems
US6337980B1 (en) * 1999-03-18 2002-01-08 Hughes Electronics Corporation Multiple satellite mobile communications method and apparatus for hand-held terminals
US6801951B1 (en) * 1999-10-08 2004-10-05 Honeywell International Inc. System and method for fault-tolerant clock synchronization using interactive convergence
US7406106B2 (en) * 2000-04-07 2008-07-29 Broadcom Corporation Method of sharing information among a plurality of stations in a frame-based communications network
US7251256B1 (en) * 2000-05-18 2007-07-31 Luminous Networks, Inc. Synchronization of asynchronous networks using media access control (MAC) layer synchronization symbols
US7046718B1 (en) * 2000-09-25 2006-05-16 The Directv Group, Inc. Coherent phase synchronous code division multiple access communications from multiple transponder platforms
US6891813B2 (en) 2000-12-12 2005-05-10 The Directv Group, Inc. Dynamic cell CDMA code assignment system and method
US6470032B2 (en) * 2001-03-20 2002-10-22 Alloptic, Inc. System and method for synchronizing telecom-related clocks in ethernet-based passive optical access network
US7818457B1 (en) * 2001-05-22 2010-10-19 Rockwell Automation Technologies, Inc. Apparatus for multi-chassis configurable time synchronization
US6975653B2 (en) * 2001-06-12 2005-12-13 Agilent Technologies, Inc. Synchronizing clocks across sub-nets
ES2236585T3 (es) * 2001-09-26 2005-07-16 Siemens Aktiengesellschaft Procedimiento para la sincronizacion de nodos de un sistema de comunicacion.
DE10147422A1 (de) * 2001-09-26 2003-04-24 Siemens Ag Kommunikationssystem und Verfahren zur Synchronisation eines Kommunikationszyklus
DE10148878B4 (de) * 2001-10-04 2006-03-02 Siemens Ag System und Verfahren zum Übertragen digitaler Daten
ES2239086T3 (es) * 2001-10-09 2005-09-16 Siemens Aktiengesellschaft Procedimiento para la comunicacion a traves de un bus entre un servidor de datos de procesos y al menos un receptor.
GB2383434B (en) * 2001-12-20 2004-02-18 Dongik Lee Fault-tolerant clock synchronisation
US7251199B2 (en) * 2001-12-24 2007-07-31 Agilent Technologies, Inc. Distributed system time synchronization including a timing signal path
US7099354B2 (en) * 2002-01-24 2006-08-29 Radioframe Networks, Inc. Method and apparatus for frequency and timing distribution through a packet-based network
US6741952B2 (en) * 2002-02-15 2004-05-25 Agilent Technologies, Inc. Instrument timing using synchronized clocks
US7114091B2 (en) * 2002-03-18 2006-09-26 National Instruments Corporation Synchronization of distributed systems
JP2003316468A (ja) * 2002-04-25 2003-11-07 Nippon Sogo Seisaku Kk デジタル機器用基準発振器を採用したデータ演算処理及び伝送記録再生方法
NZ520650A (en) * 2002-08-08 2005-08-26 Tait Electronics Ltd Improvements relating to radio communication systems
US7139346B2 (en) * 2002-08-09 2006-11-21 The Boeing Company Mobile network time distribution
DE10241429B4 (de) * 2002-09-06 2007-10-25 Siemens Ag Verfahren zur Synchronisation von Netzwerkknoten eines Teilnetzwerks
US7304981B2 (en) 2002-09-09 2007-12-04 Itt Manufacturing Enterprises Inc. Apparatus and method of flywheel time-of-day (TOD) synchronization
US7079977B2 (en) * 2002-10-15 2006-07-18 Medtronic, Inc. Synchronization and calibration of clocks for a medical device and calibrated clock
US7555017B2 (en) * 2002-12-17 2009-06-30 Tls Corporation Low latency digital audio over packet switched networks
US7379480B2 (en) * 2003-01-16 2008-05-27 Rockwell Automation Technologies, Inc. Fast frequency adjustment method for synchronizing network clocks
US7844690B1 (en) 2003-01-24 2010-11-30 Douglas Durham Systems and methods for creation and use of a virtual protocol analyzer
US7954109B1 (en) 2003-01-24 2011-05-31 Jds Uniphase Corporation Systems and methods for time based sorting and display of captured data events in a multi-protocol communications system
EP1595347A1 (en) * 2003-02-20 2005-11-16 Zarlink Semiconductor Inc. Method providing distribution means for reference clocks across packetized networks
US7397823B2 (en) * 2003-06-04 2008-07-08 Agilent Technologies, Inc. Providing time synchronization across store-and-forward communication devices using protocol-enabled switches
AT413308B (de) * 2003-09-10 2006-01-15 Fts Computertechnik Gmbh Verfahren und apparat zur kalibrierung des uhrengangs in einem verteilten echtzeitsystem
US7237152B2 (en) * 2003-10-24 2007-06-26 Honeywell International Inc. Fail-operational global time reference in a redundant synchronous data bus system
JP2005352936A (ja) * 2004-06-14 2005-12-22 Matsushita Electric Ind Co Ltd スレーブデバイス
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
GB2477058B (en) * 2005-04-27 2011-09-07 Agere Systems Inc Line-timing in packet-based networks
US7539200B2 (en) 2005-04-27 2009-05-26 Agere Systems Inc. Line-timing in packet-based networks
US7457974B2 (en) * 2005-09-08 2008-11-25 International Business Machines Corporation Dynamically changing PCI clocks
US8634341B1 (en) 2005-10-11 2014-01-21 Atmel Corporation Method and apparatus for iterative synchronization of two or more electronic devices
US8510596B1 (en) 2006-02-09 2013-08-13 Virsec Systems, Inc. System and methods for run time detection and correction of memory corruption
JP4746442B2 (ja) * 2006-02-24 2011-08-10 株式会社東芝 端末装置
GB2443867A (en) * 2006-03-21 2008-05-21 Zarlink Semiconductor Ltd Timing source with packet size controller providing a distribution of packet sizes
KR100735230B1 (ko) 2006-05-02 2007-07-03 삼성전자주식회사 분산 제어 시스템에서의 타임 동기화 방법
CN101047490B (zh) * 2006-05-11 2011-07-20 华为技术有限公司 一种通信系统时间故障的检测方法及其装置
US20080031283A1 (en) * 2006-08-07 2008-02-07 Martin Curran-Gray Time synchronization for network aware devices
US7738611B2 (en) * 2006-08-07 2010-06-15 Harris Stratex Networks, Inc. Remote monitoring and calibration of system reference clock using network timing reference
US7710944B1 (en) * 2006-09-15 2010-05-04 Itt Manufacturing Enterprises, Inc. Method and apparatus for time-of-day synchronization between network nodes
US7689854B2 (en) * 2006-09-22 2010-03-30 Agilent Technologies, Inc. Method and apparatus for establishing IEEE 1588 clock synchronization across a network element comprising first and second cooperating smart interface converters wrapping the network element
JP2008160428A (ja) * 2006-12-22 2008-07-10 Toshiba Corp 情報処理装置
US20080170592A1 (en) * 2007-01-11 2008-07-17 International Business Machines Corporation Almost peer-to-peer clock synchronization
US7814301B2 (en) * 2007-04-11 2010-10-12 Hewlett-Packard Development Company, L.P. Clock architecture for multi-processor systems
US7948833B2 (en) * 2007-07-25 2011-05-24 Computime, Ltd. Clock setup over a network
CN101399757B (zh) 2007-09-25 2011-02-02 华为技术有限公司 跟踪时钟源的方法和装置
US8831435B2 (en) * 2008-03-28 2014-09-09 Centurylink Intellectual Property Llc System and method for dual wavelength communications of a clock signal
US7721164B2 (en) * 2008-05-30 2010-05-18 International Business Machines Corporation Method and apparatus for improved storage area network link integrity testing
US8774084B2 (en) * 2008-08-22 2014-07-08 Qualcomm Incorporated Base station synchronization
US8184654B2 (en) 2008-10-03 2012-05-22 Motorola Solutions, Inc. Method for ending a call session in a communication system
US8279991B2 (en) 2008-10-03 2012-10-02 Motorola Solutions, Inc. Method of efficiently synchronizing to a desired timeslot in a time division multiple access communication system
US8358968B2 (en) 2008-10-03 2013-01-22 Motorola Solutions, Inc. Method for selecting a channel to be monitored by subscriber units that are idle in a communication system
US8169856B2 (en) * 2008-10-24 2012-05-01 Oracle International Corporation Time synchronization in cluster systems
US8416763B1 (en) 2008-11-14 2013-04-09 Cisco Technology, Inc. System and method for providing quality inter-domain network time transport
US8064485B1 (en) * 2008-11-14 2011-11-22 Cisco Technology, Inc. System and method for providing quality inter-domain network time transport
FR2939587B1 (fr) * 2008-12-09 2011-04-08 Alcatel Lucent Horloge pour un noeud d'un reseau a commutation de paquets et procede de synchronisation associe.
US7738504B1 (en) * 2008-12-22 2010-06-15 The United States Of America As Represented By The Director National Security Agency Method of establishing and updating master node in computer network
JP5575229B2 (ja) 2009-05-20 2014-08-20 クロノロジック プロプライエタリー リミテッド 分散型の同期されたクロックアーキテクチャのためのジッタ低減方法およびジッタ低減装置
US8635041B2 (en) * 2009-06-11 2014-01-21 WesternGeo L.L.C. Synchronizing a seismic data acquisition network
US8503409B2 (en) 2010-04-15 2013-08-06 Motorola Solutions, Inc. Method for direct mode channel access
US8599826B2 (en) * 2010-04-15 2013-12-03 Motorola Solutions, Inc. Method for synchronizing direct mode time division multiple access (TDMA) transmissions
US20110305165A1 (en) * 2010-06-10 2011-12-15 Peiqing Wang Method and system for physical-layer handshaking for timing role transition
US9606219B2 (en) 2010-08-02 2017-03-28 Progeny Systems Corporation Systems and methods for locating a target in a GPS-denied environment
US20120185444A1 (en) * 2011-01-14 2012-07-19 Sparkes Andrew Clock Monitoring in a Data-Retention Storage System
US8462766B2 (en) 2011-03-07 2013-06-11 Motorola Solutions, Inc. Methods and apparatus for diffusing channel timing among subscriber units in TDMA direct mode
EP2527935B1 (de) * 2011-05-26 2014-12-03 Siemens Aktiengesellschaft Verfahren zum Betrieb eines Automatisierungssystems
JP2013085116A (ja) * 2011-10-07 2013-05-09 Canon Inc 通信システム、通信システムの制御方法、およびプログラム
CN103226208B (zh) * 2012-01-25 2018-02-02 英洛瓦(天津)物探装备有限责任公司 通过光纤的时钟同步
JP2014191379A (ja) * 2013-03-26 2014-10-06 Seiko Epson Corp 分散処理システムおよび端末処理装置
US9510286B2 (en) 2013-03-27 2016-11-29 Qualcomm Incorporated Systems and methods for synchronization within a neighborhood aware network
GB2512605B (en) * 2013-04-03 2015-07-29 Canon Kk Method and apparatus for synchronisation of network nodes
KR102368170B1 (ko) 2013-09-12 2022-02-25 버섹 시스템즈, 인코포레이션 멀웨어의 자동화된 런타임 검출
JP5826877B2 (ja) * 2014-03-14 2015-12-02 株式会社東芝 クロック同期管理装置、クロック同期管理装置の制御方法及び制御プログラム
US10354074B2 (en) 2014-06-24 2019-07-16 Virsec Systems, Inc. System and methods for automated detection of input and output validation and resource management vulnerability
US10114726B2 (en) 2014-06-24 2018-10-30 Virsec Systems, Inc. Automated root cause analysis of single or N-tiered application
CN104317354B (zh) 2014-11-03 2018-03-30 武汉数字派特科技有限公司 一种系统间全局时钟的确定方法和结构
CN107204928B (zh) * 2016-03-18 2021-06-08 华为技术有限公司 更新时钟同步拓扑的方法、确定时钟同步路径的方法及设备
KR102419574B1 (ko) 2016-06-16 2022-07-11 버섹 시스템즈, 인코포레이션 컴퓨터 애플리케이션에서 메모리 손상을 교정하기 위한 시스템 및 방법
US10285148B2 (en) * 2017-04-28 2019-05-07 Cisco Technology, Inc. Synchronized wireless signal transmission by endpoints controlled by a central controller
JP6969150B2 (ja) * 2017-05-11 2021-11-24 株式会社明電舎 時刻同期装置、時刻同期方法及び時刻同期プログラム
US11539518B2 (en) * 2017-05-17 2022-12-27 Apple Inc. Time-based encryption key derivation
DE112018008085B4 (de) * 2018-11-20 2022-09-15 Mitsubishi Electric Corporation Kommunikationssystem, Listenverbreitungsstation, Kommunikationsverfahren und Kommunikationsprogramm
WO2020236164A1 (en) 2019-05-22 2020-11-26 Vit Tall Llc Multi-clock synchronization in power grids
US11360505B2 (en) * 2020-02-11 2022-06-14 Simmonds Precision Products, Inc. Distributed network time synchronization

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE452231B (sv) * 1986-03-07 1987-11-16 Philips Norden Ab Forfarande for synkronisering av klockor ingaende i ett lokalt netverk av busstyp
US5001730A (en) * 1989-03-31 1991-03-19 International Business Machines Corporation Clock synchronization algorithm for address independent networks
DE3943052A1 (de) * 1989-12-28 1991-07-04 Philips Patentverwaltung Hierarchisches synchronisationsverfahren fuer vermittlungsstellen eines fernmeldenetzes
US5577075A (en) * 1991-09-26 1996-11-19 Ipc Information Systems, Inc. Distributed clocking system
US5519726A (en) * 1994-05-31 1996-05-21 Allen-Bradley Company, Inc. Industrial controller with coordinated timing
US5566180A (en) * 1994-12-21 1996-10-15 Hewlett-Packard Company Method for recognizing events and synchronizing clocks
US6052726A (en) * 1997-06-30 2000-04-18 Mci Communications Corp. Delay calculation for a frame relay network
US6212171B1 (en) * 1998-06-22 2001-04-03 Intel Corporation Method and apparatus for gap count determination

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