FR2899049B1 - Source de synchronisation - Google Patents

Source de synchronisation

Info

Publication number
FR2899049B1
FR2899049B1 FR0753948A FR0753948A FR2899049B1 FR 2899049 B1 FR2899049 B1 FR 2899049B1 FR 0753948 A FR0753948 A FR 0753948A FR 0753948 A FR0753948 A FR 0753948A FR 2899049 B1 FR2899049 B1 FR 2899049B1
Authority
FR
France
Prior art keywords
synchronization source
synchronization
source
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
FR0753948A
Other languages
English (en)
Other versions
FR2899049A1 (fr
Inventor
Martin Richard Crowle
Thimothy Michael Edmund Frost
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.)
Microsemi Semiconductor Ltd
Original Assignee
Zarlink Semiconductor Ltd
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 Zarlink Semiconductor Ltd filed Critical Zarlink Semiconductor Ltd
Publication of FR2899049A1 publication Critical patent/FR2899049A1/fr
Application granted granted Critical
Publication of FR2899049B1 publication Critical patent/FR2899049B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/28—Flow control; Congestion control in relation to timing considerations
    • H04L47/283—Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/36—Flow control; Congestion control by determining packet size, e.g. maximum transfer unit [MTU]
    • H04L47/365—Dynamic adaptation of the packet size
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/43—Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR]
    • H04L47/431—Assembling or disassembling of packets, e.g. segmentation and reassembly [SAR] using padding or de-padding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
FR0753948A 2006-03-21 2007-03-21 Source de synchronisation Expired - Fee Related FR2899049B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78385406P 2006-03-21 2006-03-21
GB0622834A GB2443867A (en) 2006-03-21 2006-11-16 Timing source with packet size controller providing a distribution of packet sizes

Publications (2)

Publication Number Publication Date
FR2899049A1 FR2899049A1 (fr) 2007-09-28
FR2899049B1 true FR2899049B1 (fr) 2011-07-22

Family

ID=37605376

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0753948A Expired - Fee Related FR2899049B1 (fr) 2006-03-21 2007-03-21 Source de synchronisation

Country Status (5)

Country Link
US (1) US7983276B2 (fr)
CN (1) CN101043449B (fr)
DE (1) DE102007013390A1 (fr)
FR (1) FR2899049B1 (fr)
GB (2) GB2443867A (fr)

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* Cited by examiner, † Cited by third party
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US8363559B2 (en) * 2006-09-25 2013-01-29 Lantiq Deutschland Gmbh Method and system for providing information for recovering a clock frequency
ATE505896T1 (de) * 2007-10-04 2011-04-15 U Man Universal Media Access Networks Gmbh Digital-multimedia-netzwerk mit hierarchischem parametersteuerprotokoll
CN101674174B (zh) * 2008-09-12 2013-06-05 华为技术有限公司 一种提高时钟稳定度的方法及设备
GB0908883D0 (en) * 2009-05-22 2009-07-01 Zarlink Semiconductor Inc Multi input timing recovery over packet networks
US8385333B2 (en) * 2009-06-30 2013-02-26 Intel Corporation Mechanism for clock synchronization
US8743912B2 (en) * 2009-12-18 2014-06-03 Nec Corporation Transmission system, transmitting device, receiving device, transmission method, and computer program
US8643696B2 (en) * 2011-01-19 2014-02-04 Broadcom Corporation Synchronizing media streams using time signal(s) from an independent time source
US20120207178A1 (en) * 2011-02-11 2012-08-16 Webb Iii Charles A Systems and methods utilizing large packet sizes to reduce unpredictable network delay variations for timing packets
EP2530860B1 (fr) * 2011-06-01 2017-05-17 ADVA Optical Networking SE Procédé et appareil pour transporter des informations fonction du temps dans un réseau à commutation par paquets
EP3002896B1 (fr) 2014-09-30 2018-05-30 Semtech Corporation Appareil et procédé de synchronisation
US9961104B2 (en) * 2014-12-02 2018-05-01 Empire Technology Development Llc Side channel attack deterrence in networks
US9577648B2 (en) 2014-12-31 2017-02-21 Semtech Corporation Semiconductor device and method for accurate clock domain synchronization over a wide frequency range
JP6500875B2 (ja) * 2016-10-25 2019-04-17 トヨタ自動車株式会社 車載ネットワークシステム、及び、車載ネットワークシステムにおける通信制御方法
FR3059185B1 (fr) * 2016-11-24 2018-12-07 Belledonne Communications Procede et circuit de dectection de congestion
US10749534B2 (en) 2017-06-28 2020-08-18 Analog Devices, Inc. Apparatus and methods for system clock compensation
CA3077469A1 (fr) 2019-04-04 2020-10-04 Evertz Microsystems Ltd. Systemes et procedes pour exploiter un reseau de transmission de medias
CA3077449A1 (fr) 2019-04-04 2020-10-04 Evertz Microsystems Ltd. Systemes et procedes pour determiner le retard de plusieurs flux de medias
US11831405B2 (en) * 2022-03-11 2023-11-28 Renesas Electronics America Inc. Adaptive filtering for precision time protocol with physical layer support

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932040A (en) * 1987-12-07 1990-06-05 Bull Hn Information Systems Inc. Bidirectional control signalling bus interface apparatus for transmitting signals between two bus systems
US6665316B1 (en) * 1998-09-29 2003-12-16 Agilent Technologies, Inc. Organization of time synchronization in a distributed system
JP2000349824A (ja) * 1999-03-31 2000-12-15 Soft Front:Kk 音声データ送受信システム
US6493539B1 (en) * 1999-07-28 2002-12-10 Lucent Technologies Inc. Providing an accurate timing source for locating the geographical position of a mobile
US6769030B1 (en) * 2000-02-07 2004-07-27 International Business Machines Corporation Method and apparatus to evaluate and measure the optimal network packet size for file transfer in high-speed networks
US7289538B1 (en) * 2001-08-14 2007-10-30 Atrica Israel Ltd. Clock reconstruction for time division multiplexed traffic transported over asynchronous ethernet networks
US7099354B2 (en) * 2002-01-24 2006-08-29 Radioframe Networks, Inc. Method and apparatus for frequency and timing distribution through a packet-based network
US7239638B2 (en) * 2002-03-07 2007-07-03 Avaya Technology, Llc Systems and methods for the emulation of TDM circuits over a real-time scheduled packet network
KR20040052012A (ko) * 2002-12-13 2004-06-19 한국전자통신연구원 고속 패킷 망을 위한 패킷 스케줄링 시스템 및 방법
GB2399263A (en) 2003-03-07 2004-09-08 Zarlink Semiconductor Ltd Clock synchronisation over a packet network
US7362767B2 (en) * 2003-07-22 2008-04-22 Lsi Logic Corporation Integrated circuit with on-chip clock frequency matching to upstream head end equipment
CN100369441C (zh) * 2003-12-24 2008-02-13 烽火通信科技股份有限公司 一种主备同步数字系列设备定时源的无损切换方法
US7525961B2 (en) * 2004-01-14 2009-04-28 Adc Dsl Systems, Inc. Auto-adaptation to packet size on a physical medium
US7643595B2 (en) * 2004-09-13 2010-01-05 Nortel Networks Limited Method and apparatus for synchronizing clock timing between network elements
US20060056403A1 (en) 2004-09-13 2006-03-16 Pleasant Daniel L System and method for robust communication via a non-reliable protocol
GB2421141A (en) * 2004-12-08 2006-06-14 Zarlink Semiconductor Ltd Adaptive clock recovery scheme
US7835366B2 (en) * 2005-11-01 2010-11-16 Ciena Corporation Three-way message exchange clock synchronization

Also Published As

Publication number Publication date
GB2443867A (en) 2008-05-21
GB0622834D0 (en) 2006-12-27
FR2899049A1 (fr) 2007-09-28
CN101043449A (zh) 2007-09-26
US7983276B2 (en) 2011-07-19
CN101043449B (zh) 2011-12-28
DE102007013390A1 (de) 2007-10-04
US20070223459A1 (en) 2007-09-27
GB0624034D0 (en) 2007-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20131129