DE602005022617D1 - Synchronisation in einem kommunikationsnetz - Google Patents

Synchronisation in einem kommunikationsnetz

Info

Publication number
DE602005022617D1
DE602005022617D1 DE602005022617T DE602005022617T DE602005022617D1 DE 602005022617 D1 DE602005022617 D1 DE 602005022617D1 DE 602005022617 T DE602005022617 T DE 602005022617T DE 602005022617 T DE602005022617 T DE 602005022617T DE 602005022617 D1 DE602005022617 D1 DE 602005022617D1
Authority
DE
Germany
Prior art keywords
synchronization
communication network
topology
network
information
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.)
Active
Application number
DE602005022617T
Other languages
English (en)
Inventor
Andreas Brune
Torsten Mueller
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 AB
Original Assignee
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 Ericsson AB filed Critical Ericsson AB
Publication of DE602005022617D1 publication Critical patent/DE602005022617D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
    • 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
    • H04J3/0679—Clock or time synchronisation in a network by determining clock distribution path in a network

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Exchange Systems With Centralized Control (AREA)
DE602005022617T 2004-12-22 2005-11-14 Synchronisation in einem kommunikationsnetz Active DE602005022617D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0428032A GB2421671A (en) 2004-12-22 2004-12-22 A node selects a source of timing information using network topology and the timing status of network nodes
PCT/EP2005/055945 WO2006067002A1 (en) 2004-12-22 2005-11-14 Synchronisation in a communications network

Publications (1)

Publication Number Publication Date
DE602005022617D1 true DE602005022617D1 (de) 2010-09-09

Family

ID=34113010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005022617T Active DE602005022617D1 (de) 2004-12-22 2005-11-14 Synchronisation in einem kommunikationsnetz

Country Status (7)

Country Link
US (1) US20080205294A1 (de)
EP (1) EP1829256B1 (de)
AT (1) ATE476024T1 (de)
DE (1) DE602005022617D1 (de)
GB (1) GB2421671A (de)
PL (1) PL1829256T3 (de)
WO (1) WO2006067002A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8125930B2 (en) * 2006-12-13 2012-02-28 Rockstar Bidco Lp Protocol for clock distribution and loop resolution
CN101141240B (zh) * 2007-04-18 2010-06-09 中兴通讯股份有限公司 Sdh时钟自动组网方法
CN101309122B (zh) * 2007-05-17 2013-01-02 华为技术有限公司 时钟跟踪关系建立方法及时钟跟踪关系计算装置
US7898965B2 (en) 2007-10-12 2011-03-01 Nortel Networks Limited IP network and performance monitoring using ethernet OAM
US8339995B2 (en) * 2009-12-10 2012-12-25 Alcatel Lucent Network sync planning and failure simulations
US9252904B2 (en) * 2011-06-01 2016-02-02 Coriant Operations, Inc. Method and apparatus for distributing network timing in a mesh optical network
EP2750310A1 (de) * 2012-12-28 2014-07-02 Siemens Aktiengesellschaft Verfahren zur Synchronisierung lokaler Uhren in einem Kommunikationsnetz eines industriellen Automatisierungssystems und Netzinfrastrukturgerät
FR3044849A1 (fr) * 2015-12-07 2017-06-09 Orange Procede anti-micro-boucle pendant la convergence de tables de commutation
US10158442B1 (en) * 2016-12-13 2018-12-18 Amazon Technologies, Inc. Reliable precision time architecture
US10164759B1 (en) 2016-12-13 2018-12-25 Amazon Technologies, Inc. Distributed precision time architecture
EP3704828A4 (de) * 2017-11-27 2020-12-02 Telefonaktiebolaget LM Ericsson (publ) Verfahren und vorrichtungen zur bestimmung der verfügbarkeit einer synchronisationsquelle
US11070348B1 (en) * 2019-12-16 2021-07-20 Facebook, Inc. Time synchronization of a wireless network
US11863230B2 (en) * 2020-02-13 2024-01-02 Nippon Telegraph And Telephone Corporation Communication apparatus and error detection method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03250829A (ja) * 1990-02-28 1991-11-08 Fujitsu Ltd ディジタル同期自営網のクロックトポロジー構成方法
GB2301991B (en) 1995-06-06 1999-06-30 Plessey Telecomm SDH Network
US5970502A (en) * 1996-04-23 1999-10-19 Nortel Networks Corporation Method and apparatus for synchronizing multiple copies of a database
FI103307B1 (fi) 1997-02-11 1999-05-31 Nokia Telecommunications Oy Tietoliikenneverkon synkronointi
JPH11275077A (ja) * 1998-03-20 1999-10-08 Fujitsu Ltd Ａｔｍネットワークシステム及びそのクロック供給ルート変更方法
GB2341749A (en) * 1998-09-19 2000-03-22 Nokia Telecommunications Oy Digital network synchronisation
WO2000069106A1 (en) * 1999-05-06 2000-11-16 Net Insight Ab Synchronization method and apparatus
SE9901654L (sv) * 1999-05-06 2001-01-03 Net Insight Ab Synkroniseringsförfarande och -anordning
US6711411B1 (en) * 2000-11-07 2004-03-23 Telefonaktiebolaget Lm Ericsson (Publ) Management of synchronization network
US7012934B1 (en) * 2001-10-31 2006-03-14 Nortel Networks Limited Method and apparatus for detecting a network timing loop
US20030227913A1 (en) * 2002-06-05 2003-12-11 Litchfield Communications, Inc. Adaptive timing recovery of synchronous transport signals
WO2005013537A2 (en) * 2003-07-28 2005-02-10 Cetacean Networks, Inc. Systems and methods for the synchronization of a real-time scheduled packet network using relative timing

Also Published As

Publication number Publication date
EP1829256B1 (de) 2010-07-28
PL1829256T3 (pl) 2011-01-31
US20080205294A1 (en) 2008-08-28
GB0428032D0 (en) 2005-01-26
WO2006067002A1 (en) 2006-06-29
EP1829256A1 (de) 2007-09-05
GB2421671A (en) 2006-06-28
ATE476024T1 (de) 2010-08-15

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