ZA951190B - Telecommunications network including a channel switching protection arrangement - Google Patents

Telecommunications network including a channel switching protection arrangement

Info

Publication number
ZA951190B
ZA951190B ZA951190A ZA951190A ZA951190B ZA 951190 B ZA951190 B ZA 951190B ZA 951190 A ZA951190 A ZA 951190A ZA 951190 A ZA951190 A ZA 951190A ZA 951190 B ZA951190 B ZA 951190B
Authority
ZA
South Africa
Prior art keywords
channel
node
pct
telecommunications network
traffic signals
Prior art date
Application number
ZA951190A
Other languages
English (en)
Inventor
Steven Taylor Chapman
Original Assignee
Plessey Telecomm
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 Plessey Telecomm filed Critical Plessey Telecomm
Publication of ZA951190B publication Critical patent/ZA951190B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H04J3/085—Intermediate station arrangements, e.g. for branching, for tapping-off for ring networks, e.g. SDH/SONET rings, self-healing rings, meashed SDH/SONET networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0028—Local loop
    • H04J2203/0039—Topology
    • H04J2203/0044—Bus, e.g. DQDB
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Fuses (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
ZA951190A 1994-02-19 1995-02-14 Telecommunications network including a channel switching protection arrangement ZA951190B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9403223A GB9403223D0 (en) 1994-02-19 1994-02-19 Telecommunications network including remote channel switching protection apparatus

Publications (1)

Publication Number Publication Date
ZA951190B true ZA951190B (en) 1996-03-05

Family

ID=10750632

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA951190A ZA951190B (en) 1994-02-19 1995-02-14 Telecommunications network including a channel switching protection arrangement

Country Status (14)

Country Link
US (1) US5974027A (zh)
EP (1) EP0745294B1 (zh)
JP (1) JP3629613B2 (zh)
CN (1) CN1070665C (zh)
AT (1) ATE208974T1 (zh)
AU (1) AU686736B2 (zh)
CA (1) CA2182701A1 (zh)
DE (1) DE69523898T2 (zh)
ES (1) ES2163498T3 (zh)
FI (1) FI963247A (zh)
GB (2) GB9403223D0 (zh)
NZ (1) NZ279284A (zh)
WO (1) WO1995022860A1 (zh)
ZA (1) ZA951190B (zh)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536475C2 (de) * 1995-09-29 1998-05-28 Siemens Ag Verfahren zur Erkennung eines Path-Trace und eines Section-Trace in SDH-Signalfolgen
GB2327020A (en) * 1997-06-30 1999-01-06 Ericsson Telefon Ab L M A self-healing meshed network
CA2254606C (en) 1997-11-28 2003-06-17 Nec Corporation Ring network for sharing protection resource by working communication paths
CN1291414A (zh) * 1998-02-20 2001-04-11 Adc长途电讯有限公司 虚连接的保护交换
US6940810B1 (en) 1998-02-20 2005-09-06 Adc Telecommunications, Inc. Protection switching of virtual connections at the data link layer
JPH11313095A (ja) 1998-04-28 1999-11-09 Nec Corp リングネットワークシステム、そのプロテクション方法及びプロテクション処理プログラム記録媒体
US6246668B1 (en) * 1998-06-09 2001-06-12 Nortel Networks Limited Hitless manual path switching using linked pointer processors
GB2338370B (en) 1998-06-09 2000-07-19 Plessey Telecomm Telecommunications system
DE69938481T2 (de) * 1998-07-01 2009-04-09 Kabushiki Kaisha Toshiba Steuerungsverfahren und -vorrichtung für Ringnetzwerksystem
US6567194B1 (en) 1998-08-17 2003-05-20 Corvis Corporation Optical communication network and protection methods
JP2000092099A (ja) * 1998-09-16 2000-03-31 Nec Corp 伝送ネットワークシステムにおけるパス経路変更システム
US6925054B1 (en) * 1998-12-07 2005-08-02 Nortel Networks Limited Network path protection
US6515962B1 (en) * 1999-07-16 2003-02-04 Alcatel Hit-less switching pointer aligner apparatus and method
US6968130B1 (en) * 1999-09-07 2005-11-22 Nokia Corporation System and method for fully utilizing available optical transmission spectrum in optical networks
EP1096712A3 (en) * 1999-10-29 2005-09-07 Nippon Telegraph and Telephone Corporation Path network and path network operation method using conversion of protection path into working path
US6970417B1 (en) * 1999-12-28 2005-11-29 At&T Corp. Methods and systems for fast restoration in a mesh network of optical cross connects
US7167444B1 (en) * 1999-12-29 2007-01-23 At&T Corp. Family ring protection technique
IT1316761B1 (it) * 2000-02-18 2003-05-12 Cit Alcatel Meccanismo di protezione di reti in fibra ottica con topologia lineare
US7545755B2 (en) * 2000-03-03 2009-06-09 Adtran Inc. Routing switch detecting change in session identifier before reconfiguring routing table
AUPQ635700A0 (en) * 2000-03-17 2000-04-15 Transcorp Systems Pty Ltd Broadband access control for protection bearers
US6681248B1 (en) * 2000-04-12 2004-01-20 Sycamore Networks, Inc. Method for port connectivity discovery in transparent high bandwidth networks
US6940808B1 (en) * 2000-04-13 2005-09-06 Nortel Networks Limited Adaptive rate traffic recovery mechanism for communication networks
US20050086232A1 (en) * 2001-02-05 2005-04-21 Jixiong Dong Virtual protection method and device for fiber path
ITMI20010381A1 (it) * 2001-02-26 2002-08-26 Cit Alcatel Metodo per gestire guasti plurimi di diverso ripo in reti per telecomunicazioni con topologia ad anello
US20030031126A1 (en) * 2001-03-12 2003-02-13 Mayweather Derek T. Bandwidth reservation reuse in dynamically allocated ring protection and restoration technique
EP1248421B1 (en) * 2001-04-04 2004-05-26 Alcatel Fast restoration mechanism and method of determining minimum restoration capacity in a transmission network
EP1294136A1 (en) * 2001-09-14 2003-03-19 Alcatel Fast restoration mechanism and method of determining minimum restoration capacity in a transmission network
ATE268081T1 (de) * 2001-04-04 2004-06-15 Cit Alcatel Mechanismus und verfahren zur bestimmung und schnellen wiederherstellung einer minimalen kapazität in einem vermaschten netz
ITMI20010900A1 (it) * 2001-04-30 2002-10-30 Marconi Comm Spa Rete per telecomunicazioni con rilevazione automatica della topologiae metodo per tale rilevazione
US20030009599A1 (en) * 2001-05-04 2003-01-09 Appian Communications, Inc. Protecting ring network data
EP1384341A2 (en) * 2001-05-04 2004-01-28 Appian Communications, Inc. Communicating data between tdm and packet based networks
US7272307B2 (en) * 2001-05-25 2007-09-18 Tellabs Operations, Inc. Virtual protection channel for fiber optic ring network
US7652983B1 (en) 2001-06-25 2010-01-26 At&T Intellectual Property Ii, L.P. Method for restoration and normalization in a mesh network
KR100748681B1 (ko) * 2001-07-03 2007-08-13 삼성전자주식회사 동기식 디지털 계위 전송 시스템의 단방향 절체 제어 방법
EP1933486B1 (en) * 2001-08-01 2016-11-23 Fujitsu Limited Communication method and communication device
US7113481B2 (en) * 2001-10-10 2006-09-26 Alcatel Informed dynamic path protection for optical networks
US6766482B1 (en) 2001-10-31 2004-07-20 Extreme Networks Ethernet automatic protection switching
KR20030046603A (ko) * 2001-12-05 2003-06-18 삼성전자주식회사 전송 시스템의 1+1 선로 보호 절체 방법 및 이를 위한기록매체
US7013348B1 (en) * 2001-12-21 2006-03-14 Nortel Networks Limited Switch subtending in a synchronous transmission system
GB2386804A (en) * 2002-03-22 2003-09-24 Motorola Inc Communications network node access switches
US7817540B1 (en) 2002-05-08 2010-10-19 Cisco Technology, Inc. Method and apparatus for N+1 RF switch with passive working path and active protection path
CN100433687C (zh) 2002-07-24 2008-11-12 中兴通讯股份有限公司 一种在多层通讯设备中保护高层业务的方法
ATE426281T1 (de) * 2003-11-12 2009-04-15 Alcatel Lucent Pfadschutz fur sdh/sonet-netzwerke
US7627243B2 (en) * 2004-02-17 2009-12-01 Dynamic Method Enterprises Limited Methods and apparatuses for handling multiple failures in an optical network
US7697455B2 (en) * 2004-02-17 2010-04-13 Dynamic Method Enterprises Limited Multiple redundancy schemes in an optical network
US20050243716A1 (en) * 2004-05-03 2005-11-03 Bitar Nabil N Systems and methods implementing 1‘and N:1 line card redundancy
US20060188260A1 (en) * 2005-02-22 2006-08-24 Positron Networks Pni Inc. Robust service delivery node and method therefor
JP4361114B2 (ja) * 2005-03-08 2009-11-11 富士通株式会社 ネットワーク情報解析方法及びその装置
CN100407725C (zh) * 2005-04-15 2008-07-30 华为技术有限公司 多协议标签交换双向保护切换的实现方法
DE102011120226B4 (de) * 2011-12-03 2013-08-14 Hydac Fluidtechnik Gmbh System zur Verbesserung der Energieeffizienz bei Hydrauliksystemen
CN103188090B (zh) * 2011-12-28 2016-05-25 中国移动通信集团江苏有限公司 一种传送网垃圾时隙的识别方法及装置
CN105048610B (zh) * 2015-08-11 2017-09-12 奇瑞汽车股份有限公司 一种远程充电控制系统及控制方法
IT201800009060A1 (it) 2018-10-01 2020-04-01 Salvagnini Italia Spa Sistema di azionamento idraulico per un apparato di punzonatura

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835763A (en) * 1973-01-23 1974-09-17 Langsenkamp F Co Method and apparatus for obtaining tomato juice while minimizing enzymic action
US4835763A (en) * 1988-02-04 1989-05-30 Bell Communications Research, Inc. Survivable ring network
FR2640447B1 (fr) * 1988-12-12 1991-01-25 Cit Alcatel Dispositif d'autocicatrisation d'une liaison en anneau
JP2578704B2 (ja) * 1991-03-26 1997-02-05 日本電信電話株式会社 リング伝送網のループバック方法およびリング伝送装置
US5179548A (en) * 1991-06-27 1993-01-12 Bell Communications Research, Inc. Self-healing bidirectional logical-ring network using crossconnects
US5216666A (en) * 1991-12-12 1993-06-01 Alcatel Network Systems, Inc. 1:n ring-type signal protection apparatus
US5315594A (en) * 1992-03-02 1994-05-24 Alcatel Network Systems, Inc. Inter-network transport element of sonet overhead
US5442620A (en) * 1992-03-26 1995-08-15 At&T Corp. Apparatus and method for preventing communications circuit misconnections in a bidirectional line-switched ring transmission system
US5341364A (en) * 1992-06-02 1994-08-23 At&T Bell Laboratories Distributed switching in bidirectional multiplex section-switched ringtransmission systems
US5406401A (en) * 1992-10-02 1995-04-11 At&T Corp. Apparatus and method for selective tributary switching in a bidirectional ring transmission system
US5331628A (en) * 1993-03-25 1994-07-19 At&T Bell Laboratories Path testing and/or monitoring within a multiple node telecommunication system
JPH0795227A (ja) * 1993-09-20 1995-04-07 Fujitsu Ltd パス保護切替リングネットワークおよびその障害復旧方法

Also Published As

Publication number Publication date
WO1995022860A1 (en) 1995-08-24
AU686736B2 (en) 1998-02-12
JPH09509028A (ja) 1997-09-09
FI963247A0 (fi) 1996-08-19
CN1070665C (zh) 2001-09-05
FI963247A (fi) 1996-08-19
GB2286745B (en) 1998-03-18
DE69523898T2 (de) 2002-04-11
AU1586095A (en) 1995-09-04
GB9403223D0 (en) 1994-04-13
EP0745294B1 (en) 2001-11-14
CA2182701A1 (en) 1995-08-24
US5974027A (en) 1999-10-26
EP0745294A1 (en) 1996-12-04
DE69523898D1 (de) 2001-12-20
GB2286745A (en) 1995-08-23
NZ279284A (en) 1997-01-29
CN1141105A (zh) 1997-01-22
ES2163498T3 (es) 2002-02-01
JP3629613B2 (ja) 2005-03-16
ATE208974T1 (de) 2001-11-15
GB9502581D0 (en) 1995-03-29

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