CA2282553C - Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system - Google Patents

Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system Download PDF

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Publication number
CA2282553C
CA2282553C CA002282553A CA2282553A CA2282553C CA 2282553 C CA2282553 C CA 2282553C CA 002282553 A CA002282553 A CA 002282553A CA 2282553 A CA2282553 A CA 2282553A CA 2282553 C CA2282553 C CA 2282553C
Authority
CA
Canada
Prior art keywords
nodal
inter
network
switch
node
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
CA002282553A
Other languages
English (en)
French (fr)
Other versions
CA2282553A1 (en
Inventor
Peter Higgins
Mark P. Hebert
John T. Lynch
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.)
Excel Switching Corp
Original Assignee
Excel Switching Corp
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 Excel Switching Corp filed Critical Excel Switching Corp
Publication of CA2282553A1 publication Critical patent/CA2282553A1/en
Application granted granted Critical
Publication of CA2282553C publication Critical patent/CA2282553C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54541—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme using multi-processor systems
    • H04Q3/54558—Redundancy, stand-by
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5625—Operations, administration and maintenance [OAM]
    • H04L2012/5627—Fault tolerance and recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13031—Pulse code modulation, PCM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1305—Software aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13093—Personal computer, PC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13162—Fault indication and localisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13166—Fault prevention
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13167—Redundant apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13298—Local loop systems, access network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13349—Network management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1338—Inter-exchange connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13389—LAN, internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CA002282553A 1997-02-27 1998-02-26 Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system Expired - Fee Related CA2282553C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/806,493 US5923643A (en) 1997-02-27 1997-02-27 Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system
US08/806,493 1997-02-27
PCT/US1998/003791 WO1998038829A2 (en) 1997-02-27 1998-02-26 Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system

Publications (2)

Publication Number Publication Date
CA2282553A1 CA2282553A1 (en) 1998-09-03
CA2282553C true CA2282553C (en) 2007-04-10

Family

ID=25194166

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002282553A Expired - Fee Related CA2282553C (en) 1997-02-27 1998-02-26 Redundancy, expanded switching capacity and fault isolation arrangements for expandable telecommunications system

Country Status (7)

Country Link
US (1) US5923643A (enExample)
EP (1) EP0963678A2 (enExample)
JP (1) JP2002513531A (enExample)
CN (1) CN1192094A (enExample)
AU (1) AU726428B2 (enExample)
CA (1) CA2282553C (enExample)
WO (1) WO1998038829A2 (enExample)

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US5544163A (en) * 1994-03-08 1996-08-06 Excel, Inc. Expandable telecommunications system
US6181929B1 (en) * 1996-05-20 2001-01-30 Motorola, Inc. Method for switching cell site controllers
FI980328L (fi) * 1998-02-13 1999-08-14 Nokia Networks Oy Optinen tietoliikenneverkko
US5982595A (en) * 1998-06-05 1999-11-09 General Electric Company Redundant communications in a protective relay
US6370146B1 (en) * 1998-06-29 2002-04-09 Lucent Technologies Inc. Method and apparatus for non-disruptive addition of a new node to an inter-nodal network
US6789118B1 (en) 1999-02-23 2004-09-07 Alcatel Multi-service network switch with policy based routing
US6980515B1 (en) 1999-02-23 2005-12-27 Alcatel Multi-service network switch with quality of access
US6674756B1 (en) 1999-02-23 2004-01-06 Alcatel Multi-service network switch with multiple virtual routers
US6396909B1 (en) * 1999-05-07 2002-05-28 Unisys Corporation Inter-system call transfer
US6425009B1 (en) * 1999-06-08 2002-07-23 Cisco Technology, Inc. Monitoring redundant control buses to provide a high availability local area network for a telecommunications device
US6434703B1 (en) 1999-06-08 2002-08-13 Cisco Technology, Inc. Event initiation bus and associated fault protection for a telecommunications device
US6550016B1 (en) * 1999-06-08 2003-04-15 Cisco Technology, Inc. Protection bus and method for a telecommunications device
EP1531383A3 (en) * 1999-07-30 2005-07-27 Intertrust Technologies Corp. Methods and systems for transaction record delivery using thresholds and multi-stage protocol
US6928049B2 (en) * 1999-08-23 2005-08-09 Avaya Communication Israel Ltd. Modular bridging-device
JP3628918B2 (ja) * 1999-09-10 2005-03-16 沖電気工業株式会社 ディジタル交換装置および通信制御方法
US6795393B1 (en) * 1999-12-24 2004-09-21 Alcatel Usa Sourcing, L.P. Method and apparatus for errorless path protection and rearrangement
US6748474B1 (en) * 2000-02-25 2004-06-08 Telica, Inc. Midplane apparatus
US7009980B1 (en) * 2000-03-13 2006-03-07 Lucent Technologies Inc. Apparatus and method for automatic port identity discovery in hierarchical heterogenous systems
US6332198B1 (en) * 2000-05-20 2001-12-18 Equipe Communications Corporation Network device for supporting multiple redundancy schemes
US6778488B1 (en) * 2000-06-06 2004-08-17 Alcatel Matrix recovery system and method in a telecommunications node
US6879559B1 (en) 2000-10-31 2005-04-12 Chiaro Networks, Ltd. Router line card protection using one-for-N redundancy
KR100434348B1 (ko) * 2000-12-27 2004-06-04 엘지전자 주식회사 지능망 시스템의 특수자원 다중화 장치 및 그 제어방법
US7321981B1 (en) * 2001-02-28 2008-01-22 Cisco Technology, Inc. Multi-port line card redundancy technique for an intermediate network node
US20020154351A1 (en) * 2001-04-24 2002-10-24 Feinberg Lee Daniel Optical network architecture with reduced equipment
JP2002359627A (ja) * 2001-05-30 2002-12-13 Nec Corp プロテクション方式、バーチャルコンカチネーション処理ブロック、ノードおよびリングネットワーク
JP3606229B2 (ja) * 2001-05-30 2005-01-05 日本電気株式会社 プロテクション方式、レイヤ２機能ブロック、ノードおよびリングネットワーク
US20030039243A1 (en) * 2001-06-26 2003-02-27 Parker Jon A. Technique for creating a fault-tolerant daisy-chained serial bus
US7382787B1 (en) 2001-07-30 2008-06-03 Cisco Technology, Inc. Packet routing and switching device
US7418536B2 (en) * 2001-07-30 2008-08-26 Cisco Technology, Inc. Processor having systolic array pipeline for processing data packets
US6766482B1 (en) 2001-10-31 2004-07-20 Extreme Networks Ethernet automatic protection switching
US7450438B1 (en) 2002-06-20 2008-11-11 Cisco Technology, Inc. Crossbar apparatus for a forwarding table memory in a router
US7710991B1 (en) 2002-06-20 2010-05-04 Cisco Technology, Inc. Scalable packet routing and switching device and method
US7525904B1 (en) * 2002-06-20 2009-04-28 Cisco Technology, Inc. Redundant packet routing and switching device and method
US7536476B1 (en) 2002-12-20 2009-05-19 Cisco Technology, Inc. Method for performing tree based ACL lookups
CN100341256C (zh) * 2003-01-21 2007-10-03 华为技术有限公司 一种能同时提供主备保护和容量扩展的级连装置
US7450592B2 (en) * 2003-11-12 2008-11-11 At&T Intellectual Property I, L.P. Layer 2/layer 3 interworking via internal virtual UNI
US7522517B1 (en) * 2003-11-18 2009-04-21 Sprint Communications Company Lp. Communication system with multipoint circuit bonding
US7522532B2 (en) * 2003-11-24 2009-04-21 At&T Intellectual Property I, L.P. Layer 2/layer 3 interworking via physical loopback
US7359317B1 (en) * 2004-02-20 2008-04-15 Excel Switching Corporation Redundancy arrangement for telecommunications switch
US8520507B1 (en) 2004-03-08 2013-08-27 Extreme Networks, Inc. Ethernet automatic protection switching
US7889712B2 (en) * 2004-12-23 2011-02-15 Cisco Technology, Inc. Methods and apparatus for providing loop free routing tables
US7394767B2 (en) * 2005-03-31 2008-07-01 Motorola, Inc. Distributed redundancy capacity licensing in a telecommunication network element
EP1720298A1 (en) * 2005-05-03 2006-11-08 Alcatel System comprising an aggregation sub-system and tributary sub-systems
US7606240B1 (en) 2005-06-16 2009-10-20 Extreme Networks Ethernet automatic protection switching
US7647442B2 (en) * 2007-05-22 2010-01-12 Keng-Kuei Su Series-connected control system
CN100432870C (zh) * 2007-06-22 2008-11-12 南京恩瑞特实业有限公司 多机容错系统主机判别方法
EP2220789B1 (en) * 2007-11-21 2013-07-31 QUALCOMM Incorporated Method and apparatus for timeslot swapping
CN101907879B (zh) * 2010-03-12 2012-07-04 大连理工大学 工业控制网络冗余容错系统
US8982711B2 (en) * 2012-04-20 2015-03-17 Allied Telesis Holdings Kabushiki Kaisha Self-healing communications network
US10693717B2 (en) * 2018-02-03 2020-06-23 Adva Optical Networking Se Assisted port identification by connection an Activation device to a physical port and detecting a state change for a particular software virtual interface

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US5159595A (en) * 1988-04-08 1992-10-27 Northern Telecom Limited Ring transmission system
JP2784080B2 (ja) * 1990-05-09 1998-08-06 富士通株式会社 リングネットワーク及びその障害復旧方法並びにリングネットワークに用いられるノード
US5544163A (en) * 1994-03-08 1996-08-06 Excel, Inc. Expandable telecommunications system
US5535200A (en) * 1994-05-05 1996-07-09 Sprint Communications Company L.P. Signaling system for a telecommunications network
GB2300088B (en) * 1995-04-19 1999-06-16 Northern Telecom Ltd Telecommunications switches
DE69635095T2 (de) * 1995-05-23 2006-05-18 Koninklijke Philips Electronics N.V. Redundantes Datenübertragungssystem mit mindestens zwei Kanälen

Also Published As

Publication number Publication date
CN1192094A (zh) 1998-09-02
JP2002513531A (ja) 2002-05-08
AU726428B2 (en) 2000-11-09
AU6670298A (en) 1998-09-18
WO1998038829A2 (en) 1998-09-03
EP0963678A2 (en) 1999-12-15
WO1998038829A3 (en) 1998-12-17
US5923643A (en) 1999-07-13
CA2282553A1 (en) 1998-09-03

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