CN104662857A - 用于鲁棒精确时间协议同步的方法和系统 - Google Patents

用于鲁棒精确时间协议同步的方法和系统 Download PDF

Info

Publication number
CN104662857A
CN104662857A CN201280072211.5A CN201280072211A CN104662857A CN 104662857 A CN104662857 A CN 104662857A CN 201280072211 A CN201280072211 A CN 201280072211A CN 104662857 A CN104662857 A CN 104662857A
Authority
CN
China
Prior art keywords
ptp
clock
instance
parameters
service instance
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
CN201280072211.5A
Other languages
English (en)
Chinese (zh)
Inventor
崔百丰
杨清峰
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.)
Ericsson China Communications Co Ltd
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of CN104662857A publication Critical patent/CN104662857A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1675—Temporal synchronisation or re-synchronisation of redundant processing components
    • G06F11/1679—Temporal synchronisation or re-synchronisation of redundant processing components at clock signal level
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1604—Error detection or correction of the data by redundancy in hardware where the fault affects the clock signals of a processing unit and the redundancy is at or within the level of clock signal generation hardware
    • 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)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CN201280072211.5A 2012-03-30 2012-03-30 用于鲁棒精确时间协议同步的方法和系统 Pending CN104662857A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/073290 WO2013143112A1 (en) 2012-03-30 2012-03-30 Method and system for robust precision time protocol synchronization

Publications (1)

Publication Number Publication Date
CN104662857A true CN104662857A (zh) 2015-05-27

Family

ID=49258100

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280072211.5A Pending CN104662857A (zh) 2012-03-30 2012-03-30 用于鲁棒精确时间协议同步的方法和系统

Country Status (5)

Country Link
US (1) US9690674B2 (https=)
EP (1) EP2832066A4 (https=)
CN (1) CN104662857A (https=)
IN (1) IN2014DN08118A (https=)
WO (1) WO2013143112A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111769896A (zh) * 2020-06-12 2020-10-13 苏州浪潮智能科技有限公司 一种bmc集群化管理时间同步方法及系统
CN113890790A (zh) * 2021-11-01 2022-01-04 中国电信股份有限公司 工业网络中业务数据的传输方法及装置、设备、存储介质

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8938636B1 (en) * 2012-05-18 2015-01-20 Google Inc. Generating globally coherent timestamps
US9569253B1 (en) 2012-06-04 2017-02-14 Google Inc. Ensuring globally consistent transactions
US9819541B2 (en) * 2015-03-20 2017-11-14 Cisco Technology, Inc. PTP over IP in a network topology with clock redundancy for better PTP accuracy and stability
CN105187187B (zh) * 2015-06-26 2018-03-30 上海东土远景工业科技有限公司 基于ptp协议的时钟校准方法
WO2017007381A1 (en) * 2015-07-06 2017-01-12 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for determining synchronisation references
WO2017114568A1 (en) * 2015-12-30 2017-07-06 Telefonaktiebolaget Lm Ericsson (Publ) Method, system and device for providing time-stamps in a network measurement test
CN108023723B (zh) * 2016-11-04 2021-07-09 华为技术有限公司 频率同步的方法以及从时钟
EP3461038B1 (en) * 2017-09-26 2020-04-15 ABB Schweiz AG Clock synchronization in a device
US11483127B2 (en) 2018-11-18 2022-10-25 Mellanox Technologies, Ltd. Clock synchronization
US11283454B2 (en) 2018-11-26 2022-03-22 Mellanox Technologies, Ltd. Synthesized clock synchronization between network devices
US10778406B2 (en) 2018-11-26 2020-09-15 Mellanox Technologies, Ltd. Synthesized clock synchronization between networks devices
CN111277349B (zh) * 2018-12-04 2023-12-22 深圳市中兴微电子技术有限公司 一种时钟同步的方法及系统
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
US11502767B2 (en) 2019-08-16 2022-11-15 Arista Networks, Inc. VLAN-aware clock synchronization
DE102019217035B4 (de) 2019-11-05 2021-11-25 Continental Automotive Gmbh Verfahren zur Sicherung der Zeitsynchronisation in einem Netzwerk gegen unautorisierte Änderungen
US11543852B2 (en) 2019-11-07 2023-01-03 Mellanox Technologies, Ltd. Multihost clock synchronization
CN111147176A (zh) * 2019-12-04 2020-05-12 中国航空工业集团公司洛阳电光设备研究所 一种基于ieee1588协议的高精度时间同步系统
US11516321B1 (en) * 2019-12-11 2022-11-29 Juniper Networks, Inc. Providing timing information from a network via a virtual network address
US11070304B1 (en) 2020-02-25 2021-07-20 Mellanox Technologies, Ltd. Physical hardware clock chaining
US12041155B2 (en) * 2020-03-13 2024-07-16 Arris Enterprises Llc Packet timing system with improved hop count
US12081427B2 (en) 2020-04-20 2024-09-03 Mellanox Technologies, Ltd. Time-synchronization testing in a network element
CN115413403B (zh) * 2020-05-07 2024-05-24 高通股份有限公司 促进用户设备处的时间同步功能
CN113708869B (zh) 2020-05-20 2024-04-12 华为技术有限公司 配置端口状态的方法、装置及系统
US11552871B2 (en) 2020-06-14 2023-01-10 Mellanox Technologies, Ltd. Receive-side timestamp accuracy
CN112039719B (zh) * 2020-07-20 2022-07-12 河北汉光重工有限责任公司 一种用于linux系统的PTP时钟同步精度测试方法
JP7584939B2 (ja) * 2020-08-03 2024-11-18 キヤノン株式会社 同期制御装置、制御方法、およびプログラム
US11606427B2 (en) 2020-12-14 2023-03-14 Mellanox Technologies, Ltd. Software-controlled clock synchronization of network devices
US11588609B2 (en) 2021-01-14 2023-02-21 Mellanox Technologies, Ltd. Hardware clock with built-in accuracy check
US12111681B2 (en) 2021-05-06 2024-10-08 Mellanox Technologies, Ltd. Network adapter providing isolated self-contained time services
CN115801164A (zh) * 2021-09-10 2023-03-14 B和R工业自动化有限公司 网络中的时间同步
US12028155B2 (en) 2021-11-24 2024-07-02 Mellanox Technologies, Ltd. Controller which adjusts clock frequency based on received symbol rate
US11907754B2 (en) 2021-12-14 2024-02-20 Mellanox Technologies, Ltd. System to trigger time-dependent action
US11835999B2 (en) 2022-01-18 2023-12-05 Mellanox Technologies, Ltd. Controller which adjusts clock frequency based on received symbol rate
US11706014B1 (en) 2022-01-20 2023-07-18 Mellanox Technologies, Ltd. Clock synchronization loop
US12294469B2 (en) 2022-05-12 2025-05-06 Mellanox Technologies, Ltd Boundary clock synchronized loop
US12524038B2 (en) 2022-05-12 2026-01-13 Mellanox Technologies, Ltd Scalable boundary clock
US12308952B2 (en) 2022-07-06 2025-05-20 Mellanox Technologies, Ltd. Companion metadata for precision time protocol (PTP) hardware clock
US12289388B2 (en) 2022-07-20 2025-04-29 Mellanox Technologies, Ltd Syntonization through physical layer of interconnects
US11917045B2 (en) 2022-07-24 2024-02-27 Mellanox Technologies, Ltd. Scalable synchronization of network devices
TWI863171B (zh) * 2022-12-19 2024-11-21 四零四科技股份有限公司 時間同步網域同步時間之方法與裝置
US12375199B2 (en) 2022-12-19 2025-07-29 Mellanox Technologies, Ltd Hybrid clock synchronization
US12216489B2 (en) 2023-02-21 2025-02-04 Mellanox Technologies, Ltd Clock adjustment holdover
US12463739B2 (en) 2023-02-23 2025-11-04 Hugh Networks Systems, Llc Gateway timing redundancy architecture and methods in a PTP synchronized communication system
US12289389B2 (en) 2023-08-13 2025-04-29 Mellanox Technologies, Ltd. Physical layer syntonization using digitally controlled oscillator

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101383688A (zh) * 2007-09-06 2009-03-11 凹凸科技（中国）有限公司 数据通信装置及保持数据通信装置高可用性的方法
CN102158335A (zh) * 2011-04-21 2011-08-17 中兴通讯股份有限公司 时间同步端口的处理方法及装置

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1388078A1 (en) 2001-05-03 2004-02-11 Nokia Inc. Method and system for implementing mpls redundancy
US7480737B2 (en) * 2002-10-25 2009-01-20 International Business Machines Corporation Technique for addressing a cluster of network servers
US7613212B1 (en) * 2003-06-10 2009-11-03 Atrica Israel Ltd. Centralized clock synchronization for time division multiplexed traffic transported over Ethernet networks
JP4231773B2 (ja) * 2003-12-01 2009-03-04 株式会社日立コミュニケーションテクノロジー Ｖｒの機密性を維持したｖｒｒｐ技術
US7447931B1 (en) * 2005-12-09 2008-11-04 Rockwell Automation Technologies, Inc. Step time change compensation in an industrial automation network
US7830784B2 (en) * 2007-06-29 2010-11-09 Verizon Patent And Licensing Inc. Intelligent network restoration
TWI403126B (zh) * 2008-10-21 2013-07-21 Ind Tech Res Inst 網路連線設備與應用其之通訊系統與方法
US7876792B2 (en) * 2008-10-31 2011-01-25 Alcatel Lucent Network element clocking accuracy and stability monitoring over a packet-switched network
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.
TWI510042B (zh) * 2008-12-15 2015-11-21 Ind Tech Res Inst 精確時間同步協定之封包資料加解密方法、裝置及時間同步系統
US20100150288A1 (en) * 2008-12-17 2010-06-17 Miao Zhu Synchronization of Low Noise Local Oscillator using Network Connection
US7991016B2 (en) * 2009-01-06 2011-08-02 Alcatel-Lucent Usa Inc. High availability clock synchronization and distribution for mobile backhaul networks
US9069727B2 (en) * 2011-08-12 2015-06-30 Talari Networks Incorporated Adaptive private network with geographically redundant network control nodes
EP2282452B1 (en) * 2009-07-31 2012-04-04 ABB Research Ltd. Data transmission in a ring-type communication network
CN102026364B (zh) 2009-09-17 2014-07-09 华为技术有限公司 精确时间协议报文处理方法和时钟设备
US9647784B2 (en) * 2009-11-19 2017-05-09 Telefonaktiebolaget Lm Ericsson (Publ) Configuration of synchronisation network
EP2408128B1 (en) * 2010-07-15 2017-06-07 Alcatel Lucent Interworking agent adapted to interact between network and Precision Time Protocol entities
US20120275501A1 (en) * 2011-04-27 2012-11-01 Sergiu Rotenstein Pluggable synchronization clocks, networks, systems and methods related thereto
CN103814338A (zh) * 2011-07-20 2014-05-21 航空网络公司 网络同步的系统和方法
US20130227008A1 (en) * 2012-02-27 2013-08-29 Cisco Technology, Inc. Clock synchronization based on predefined grandmaster
US9106352B2 (en) * 2012-02-27 2015-08-11 Telefonaktiebolaget L M Ericsson (Publ) Frequency distribution using precision time protocol
EP2865115A1 (en) * 2012-06-20 2015-04-29 Nokia Solutions and Networks Oy Synchronization in computer network
US8976750B1 (en) * 2013-01-16 2015-03-10 Sprint Communications Company L.P. Delivering precision time protocol frequency and phase synchronization over a network without on-path support
US9973601B2 (en) * 2013-03-15 2018-05-15 Avago Technologies General Ip (Singapore) Pte. Ltd. Fault tolerant clock network
CN104348568A (zh) * 2013-07-23 2015-02-11 中兴通讯股份有限公司 时间同步处理方法及装置
US9692563B2 (en) * 2014-04-14 2017-06-27 Cisco Technology, Inc. Upstream contention measurement reporting and mitigation in DOCSIS remote PHY network environments
US9270395B2 (en) * 2014-05-05 2016-02-23 Telefonaktiebolaget L M Ericsson (Publ) Method for robust PTP synchronization with default 1588V2 profile
US9749972B2 (en) * 2014-09-25 2017-08-29 Blinq Wireless Inc. System and method for clock synchronization in a wireless backhaul network using IEEE 1588 precision time protocol
US9843405B2 (en) * 2014-12-11 2017-12-12 Khalifa University of Science, Technology, and Research Method and devices for clock synchronization over links with asymmetric transmission rates
US9665121B2 (en) * 2014-12-11 2017-05-30 Khalifa University Of Science, Technology And Research Method and devices for time transfer using peer-to-peer transparent clocks

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101383688A (zh) * 2007-09-06 2009-03-11 凹凸科技（中国）有限公司 数据通信装置及保持数据通信装置高可用性的方法
CN102158335A (zh) * 2011-04-21 2011-08-17 中兴通讯股份有限公司 时间同步端口的处理方法及装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111769896A (zh) * 2020-06-12 2020-10-13 苏州浪潮智能科技有限公司 一种bmc集群化管理时间同步方法及系统
CN111769896B (zh) * 2020-06-12 2022-12-20 苏州浪潮智能科技有限公司 一种bmc集群化管理时间同步方法及系统
CN113890790A (zh) * 2021-11-01 2022-01-04 中国电信股份有限公司 工业网络中业务数据的传输方法及装置、设备、存储介质

Also Published As

Publication number Publication date
EP2832066A4 (en) 2015-08-12
IN2014DN08118A (https=) 2015-05-01
EP2832066A1 (en) 2015-02-04
US9690674B2 (en) 2017-06-27
US20150127978A1 (en) 2015-05-07
WO2013143112A1 (en) 2013-10-03

Similar Documents

Publication Publication Date Title
CN104662857A (zh) 用于鲁棒精确时间协议同步的方法和系统
US20130227008A1 (en) Clock synchronization based on predefined grandmaster
JP5554363B2 (ja) メディアクロックネゴシエーション
US9973601B2 (en) Fault tolerant clock network
US20090157844A1 (en) Network automatic discovery method and system
US11336687B2 (en) System and method for providing security for master clocks
US6992985B1 (en) Method and system for auto discovery of IP-based network elements
JP5127482B2 (ja) タイミング同期方法、同期装置、同期システム及び同期プログラム
JP6045950B2 (ja) 通信制御装置及び通信システム
US20180027487A1 (en) Method and apparatus for performing service discovery in neighbor awareness network nan
WO2012122813A1 (zh) 一种时钟源设备切换选择方法、系统及装置
CN106899370A (zh) 一种时钟链路切换方法、装置及基站
CN103188354A (zh) 一种节点地址冲突的检测方法及装置
JP7451721B2 (ja) クロックポート属性回復方法、デバイス、およびシステム
CN106301745A (zh) 主用主控板与备用主控板之间时间同步的方法及装置
JP2010004321A (ja) 時間同期システムおよび時間同期装置
CN102412984B (zh) 一种转发表项的管理方法和设备
JP5891142B2 (ja) 通信システム
EP3570169A1 (en) Method and system for processing device failure
CN106487611B (zh) 一种检测sdn集群分裂的方法及装置
US8391319B2 (en) Communications system and related method for reducing continuity check message (CCM) bursts in connectivity fault management (CFM) maintenance association (MA)
JP2009206731A (ja) 監視システム、監視装置、監視方法、およびプラグラム
CN105306545A (zh) 一种集群对外服务节点失效接管的方法及系统
CN116962437A (zh) 时钟同步方法、装置、设备及存储介质
JP6326468B2 (ja) 受動光ネットワークの時刻同期化方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
ASS Succession or assignment of patent right

Owner name: ERICSSON (CHINA) COMMUNICATIONS CO., LTD.

Free format text: FORMER OWNER: TELEFON AB L.M. ERICSSON (SE)

Effective date: 20150507

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20150507

Address after: Ericsson No. 5 building, 100102 Beijing city Chaoyang District Lize Street

Applicant after: Ericsson (China) Communications Co., Ltd.

Address before: Stockholm

Applicant before: Telefon AB L.M. Ericsson [SE]

C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150527