CN101895386A - 在分组网上的定时恢复 - Google Patents
在分组网上的定时恢复 Download PDFInfo
- Publication number
- CN101895386A CN101895386A CN201010179264XA CN201010179264A CN101895386A CN 101895386 A CN101895386 A CN 101895386A CN 201010179264X A CN201010179264X A CN 201010179264XA CN 201010179264 A CN201010179264 A CN 201010179264A CN 101895386 A CN101895386 A CN 101895386A
- Authority
- CN
- China
- Prior art keywords
- timing
- grouping
- delay
- variable
- receiver
- 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.)
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Classifications
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- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
- H04L43/0858—One way delays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0852—Delays
- H04L43/0864—Round trip delays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
- H04L43/106—Active monitoring, e.g. heartbeat, ping or trace-route using time related information in packets, e.g. by adding 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
- H04L47/28—Flow control; Congestion control in relation to timing considerations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/14—Network analysis or design
- H04L41/142—Network analysis or design using statistical or mathematical methods
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0908884.0 | 2009-05-22 | ||
GBGB0908884.0A GB0908884D0 (en) | 2009-05-22 | 2009-05-22 | Time recovery over packet networks |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101895386A true CN101895386A (zh) | 2010-11-24 |
CN101895386B CN101895386B (zh) | 2014-10-29 |
Family
ID=40862866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010179264.XA Active CN101895386B (zh) | 2009-05-22 | 2010-05-21 | 经分组网用于恢复定时信息的定时恢复单元和方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8483244B2 (zh) |
EP (1) | EP2254278A1 (zh) |
CN (1) | CN101895386B (zh) |
GB (1) | GB0908884D0 (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102144363B (zh) * | 2008-09-02 | 2015-04-29 | 西门子企业通讯有限责任两合公司 | 用于使通信网络中的时钟同步的方法 |
JP6147467B2 (ja) * | 2011-11-14 | 2017-06-14 | 富士通株式会社 | フレーム伝送装置及び同期方法 |
US9112630B1 (en) | 2012-02-09 | 2015-08-18 | Marvell Israel (M.I.S.L) Ltd. | Clock synchronization in the presence of security threats |
WO2013117997A2 (en) * | 2012-02-09 | 2013-08-15 | Marvell Israel (M.I.S.L) Ltd. | Clock synchronization using multiple network paths |
US9806835B2 (en) | 2012-02-09 | 2017-10-31 | Marvell International Ltd. | Clock synchronization using multiple network paths |
JP5811891B2 (ja) * | 2012-02-24 | 2015-11-11 | 富士通株式会社 | パケット転送遅延測定システム |
WO2013170359A1 (en) * | 2012-05-16 | 2013-11-21 | Microsemi Semiconductor Ulc | Method of adjusting a local clock in asynchronous packet networks |
US9112820B2 (en) | 2012-07-31 | 2015-08-18 | Hewlett-Packard Development Company, L.P. | Delay queues based on delay remaining |
DE102012214125A1 (de) * | 2012-08-09 | 2014-02-13 | Siemens Aktiengesellschaft | Übertragung eines Ereignissignals |
US9395697B2 (en) * | 2012-10-26 | 2016-07-19 | Qualcomm Technologies International, Ltd. | Method and apparatus for calculating transmission delay across a network |
WO2014137311A1 (en) * | 2013-03-04 | 2014-09-12 | Empire Technology Development Llc | Virtual instrument playing scheme |
US9391653B2 (en) * | 2013-05-13 | 2016-07-12 | Texas Instruments Incorporated | Computing filtered signal as mid-value between first and second variables |
WO2015098101A1 (ja) * | 2013-12-26 | 2015-07-02 | 日本電気株式会社 | 遅延最小値算出装置、情報送信装置、遅延最小値算出方法およびプログラム記憶媒体 |
JP6301505B2 (ja) * | 2014-06-25 | 2018-03-28 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 伝送バッファサイズを決定する方法及びデバイス |
US9814007B2 (en) * | 2015-09-25 | 2017-11-07 | Intel Corporation | Synchronizing time among two or more devices |
DE102018208210A1 (de) * | 2018-05-24 | 2019-11-28 | Siemens Aktiengesellschaft | Einrichtung und Verfahren zum Ermitteln eines Zeitversatzes zwischen zwei Zeitbasen |
US11128742B2 (en) | 2019-03-08 | 2021-09-21 | Microsemi Storage Solutions, Inc. | Method for adapting a constant bit rate client signal into the path layer of a telecom signal |
US10972084B1 (en) | 2019-12-12 | 2021-04-06 | Microchip Technology Inc. | Circuit and methods for transferring a phase value between circuits clocked by non-synchronous clock signals |
US10917097B1 (en) | 2019-12-24 | 2021-02-09 | Microsemi Semiconductor Ulc | Circuits and methods for transferring two differentially encoded client clock domains over a third carrier clock domain between integrated circuits |
US10992301B1 (en) | 2020-01-09 | 2021-04-27 | Microsemi Semiconductor Ulc | Circuit and method for generating temperature-stable clocks using ordinary oscillators |
US11239933B2 (en) | 2020-01-28 | 2022-02-01 | Microsemi Semiconductor Ulc | Systems and methods for transporting constant bit rate client signals over a packet transport network |
US11424902B2 (en) | 2020-07-22 | 2022-08-23 | Microchip Technology Inc. | System and method for synchronizing nodes in a network device |
US11916662B2 (en) | 2021-06-30 | 2024-02-27 | Microchip Technology Inc. | System and method for performing rate adaptation of constant bit rate (CBR) client data with a fixed number of idle blocks for transmission over a metro transport network (MTN) |
US11838111B2 (en) | 2021-06-30 | 2023-12-05 | Microchip Technology Inc. | System and method for performing rate adaptation of constant bit rate (CBR) client data with a variable number of idle blocks for transmission over a metro transport network (MTN) |
US11736065B2 (en) | 2021-10-07 | 2023-08-22 | Microchip Technology Inc. | Method and apparatus for conveying clock-related information from a timing device |
US11799626B2 (en) | 2021-11-23 | 2023-10-24 | Microchip Technology Inc. | Method and apparatus for carrying constant bit rate (CBR) client signals |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020186681A1 (en) * | 2001-05-08 | 2002-12-12 | Martin G. J. | Minimizing the effect of jitter upon the quality of service operation of networked gateway devices |
CN1525704A (zh) * | 2003-09-16 | 2004-09-01 | 深圳市格林耐特通信技术有限责任公司 | 分组网中的同步时钟恢复方法和系统 |
CN1839573A (zh) * | 2003-08-22 | 2006-09-27 | 艾利森电话股份有限公司 | 分组交换网络中的远程同步 |
EP1785802A1 (en) * | 2005-11-10 | 2007-05-16 | ETH Zürich, ETH Transfer | Method for frequency synchronization |
US20080080567A1 (en) * | 2006-09-29 | 2008-04-03 | Codrut Radu Radulescu | Methods and Apparatus for Unidirectional Timing Message Transport Over Packet Networks |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI108489B (fi) * | 1999-12-30 | 2002-01-31 | Nokia Corp | Synkronointi pakettivõlitteisessõ tietoliikennejõrjestelmõssõ |
US7555017B2 (en) | 2002-12-17 | 2009-06-30 | Tls Corporation | Low latency digital audio over packet switched networks |
JP4209916B2 (ja) * | 2003-02-20 | 2009-01-14 | ザ−リンク・セミコンダクタ−・インコ−ポレイテッド | パケットネットワークにおけるクロックドメインの調整 |
US7551647B2 (en) * | 2004-07-19 | 2009-06-23 | Qvidium Technologies, Inc. | System and method for clock synchronization over packet-switched networks |
US7969901B2 (en) * | 2004-08-12 | 2011-06-28 | Lantiq Deutschland Gmbh | Method and device for compensating for runtime fluctuations of data packets |
US7936794B2 (en) | 2007-08-07 | 2011-05-03 | Avaya Inc. | Clock management between two end points |
-
2009
- 2009-05-22 GB GBGB0908884.0A patent/GB0908884D0/en not_active Ceased
-
2010
- 2010-05-06 US US12/774,893 patent/US8483244B2/en active Active
- 2010-05-20 EP EP10163404A patent/EP2254278A1/en not_active Withdrawn
- 2010-05-21 CN CN201010179264.XA patent/CN101895386B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020186681A1 (en) * | 2001-05-08 | 2002-12-12 | Martin G. J. | Minimizing the effect of jitter upon the quality of service operation of networked gateway devices |
CN1839573A (zh) * | 2003-08-22 | 2006-09-27 | 艾利森电话股份有限公司 | 分组交换网络中的远程同步 |
CN1525704A (zh) * | 2003-09-16 | 2004-09-01 | 深圳市格林耐特通信技术有限责任公司 | 分组网中的同步时钟恢复方法和系统 |
EP1785802A1 (en) * | 2005-11-10 | 2007-05-16 | ETH Zürich, ETH Transfer | Method for frequency synchronization |
US20080080567A1 (en) * | 2006-09-29 | 2008-04-03 | Codrut Radu Radulescu | Methods and Apparatus for Unidirectional Timing Message Transport Over Packet Networks |
Also Published As
Publication number | Publication date |
---|---|
US20100296406A1 (en) | 2010-11-25 |
US8483244B2 (en) | 2013-07-09 |
CN101895386B (zh) | 2014-10-29 |
EP2254278A1 (en) | 2010-11-24 |
GB0908884D0 (en) | 2009-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: K2K3H4, Ontario, Canada Applicant after: MICROSEMI SEMICONDUCTOR ULC Address before: K2K3H4, Ontario, Canada Applicant before: Microsemi Semiconductor ULC Address after: K2K3H4, Ontario, Canada Applicant after: Microsemi Semiconductor ULC Address before: K2K3H4, Ontario, Canada Applicant before: Zarlink Semiconductor AB |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: MICROSEMI SEMICONDUCTOR CO., LTD. TO: MICROSEMI SEMICONDUCTOR ULC Free format text: CORRECT: APPLICANT; FROM: ZARLINK SEMICONDUCTOR AB TO: MICROSEMI SEMICONDUCTOR CO., LTD. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant |