CA2090428A1 - Self-Healing Meshed Network Using Logical Ring Structures - Google Patents

Self-Healing Meshed Network Using Logical Ring Structures

Info

Publication number
CA2090428A1
CA2090428A1 CA2090428A CA2090428A CA2090428A1 CA 2090428 A1 CA2090428 A1 CA 2090428A1 CA 2090428 A CA2090428 A CA 2090428A CA 2090428 A CA2090428 A CA 2090428A CA 2090428 A1 CA2090428 A1 CA 2090428A1
Authority
CA
Canada
Prior art keywords
logical
segments
segment
ring
communica
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.)
Granted
Application number
CA2090428A
Other languages
French (fr)
Other versions
CA2090428C (en
Inventor
Niranjan Bhogilal Sandesara
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.)
Telcordia Licensing Co LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2090428A1 publication Critical patent/CA2090428A1/en
Application granted granted Critical
Publication of CA2090428C publication Critical patent/CA2090428C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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

Abstract

Logical hybrid ring arrangements are disclosed which can withstand a cut communication path or a failed node. A logical ring is formed by a cascade of (i) physical hybrid ring segments (301-304), each composed of a pair of unidirectional communica-tion paths (e.g., 3011 and 3012) propagating multiplexed subchannels and interposed add-drop multiplexer nodes (311-319), and (ii) cross-connect nodes (320, 330) terminating the segments. Each cross-connect node routes an incoming subchannel from one segment to an outgoing subchannel on another segment. Each segment may operate at a different multiplexed signal rate, so a logical ring can be composed of segments operating at different rates. Moreover, subchannels on an incoming segment may be allocated to a plurality of outgoing segments, thereby configuring multiple logical rings which may serve to balance communica-tion traffic over the logical rings.
CA002090428A 1990-08-31 1991-05-07 Self-healing meshed network using logical ring structures Expired - Lifetime CA2090428C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57721990A 1990-08-31 1990-08-31
US577,219 1990-08-31

Publications (2)

Publication Number Publication Date
CA2090428A1 true CA2090428A1 (en) 1992-03-01
CA2090428C CA2090428C (en) 1996-10-01

Family

ID=24307776

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002090428A Expired - Lifetime CA2090428C (en) 1990-08-31 1991-05-07 Self-healing meshed network using logical ring structures

Country Status (6)

Country Link
US (1) US5327427A (en)
EP (1) EP0545932B1 (en)
JP (1) JP2655287B2 (en)
CA (1) CA2090428C (en)
DE (1) DE69129856T2 (en)
WO (1) WO1992004787A1 (en)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3120157B2 (en) * 1991-07-08 2000-12-25 株式会社日立製作所 Loop logical channel control method
JP2812834B2 (en) * 1992-03-18 1998-10-22 富士通株式会社 Node device for multi-ring circuit and multi-ring network using the node device
GB9225081D0 (en) * 1992-12-01 1993-01-20 Plessey Telecomm Dual connections
FR2702909B1 (en) * 1993-03-19 1995-04-21 Thomson Csf Method for reconfiguring a mesh network.
US5481673A (en) * 1993-08-20 1996-01-02 Bell Communications Research Inc. Method for cluster routing in direct link using two associated routing tables at node or signaling transfer point
JPH0795227A (en) * 1993-09-20 1995-04-07 Fujitsu Ltd Path protection switching ring network and fault restoring method therefor
JP3082554B2 (en) * 1994-01-11 2000-08-28 株式会社日立製作所 Self healing ring switch
JPH07226736A (en) * 1994-02-14 1995-08-22 Hitachi Ltd Fault recovery method in mesh network
US5742605A (en) * 1994-02-28 1998-04-21 Sprint Communications Co., L.P. Synchronous optical network using a ring architecture
JPH07264223A (en) * 1994-03-18 1995-10-13 Fujitsu Ltd Signal reliefs method and device for network
JPH07264229A (en) * 1994-03-18 1995-10-13 Fujitsu Ltd Virtual ring configuration system
JPH07264227A (en) * 1994-03-18 1995-10-13 Fujitsu Ltd Composite ring network control system
US5535035A (en) * 1994-09-15 1996-07-09 International Business Machines Corporation Optical fiber ring communications system and communications method
SE515560C2 (en) * 1995-04-03 2001-08-27 Ericsson Telefon Ab L M Optical network and device and method in this
SE506748C2 (en) * 1995-06-26 1998-02-09 Ericsson Telefon Ab L M Method and apparatus for removing and adding channels in an optical multiplexer
SE514990C2 (en) * 1995-07-06 2001-05-28 Telia Ab network architecture
US5731887A (en) * 1995-12-22 1998-03-24 Mci Communications Corporation System and method for photonic facility and line protection switching
US5777761A (en) * 1995-12-22 1998-07-07 Mci Communications Corporation System and method for photonic facility and line protection switching using wavelength translation
US6005694A (en) * 1995-12-28 1999-12-21 Mci Worldcom, Inc. Method and system for detecting optical faults within the optical domain of a fiber communication network
US6285475B1 (en) 1995-12-29 2001-09-04 Mci Communications Corporation Method and system for detecting optical faults in a network fiber link
US5884017A (en) * 1995-12-29 1999-03-16 Mci Communications Corporation Method and system for optical restoration tributary switching in a fiber network
US6108113A (en) * 1995-12-29 2000-08-22 Mci Communications Corporation Method and system for transporting ancillary network data
US5903370A (en) * 1996-06-28 1999-05-11 Mci Communications Corporation System for an optical domain
US7643500B1 (en) 1996-10-22 2010-01-05 Sprint Communications Company L.P. Overhead replication for SONET signals
US7301953B1 (en) 1996-10-22 2007-11-27 Sprint Communications Company L.P. Method and system for transporting a secondary communication signal with a primary communication signal
ID22055A (en) * 1996-12-06 1999-08-26 Bell Communications Res CROSS-NETWORKS OF RINGS FOR OPTICAL COMMUNICATION NETWORKS WITH A LOT OF RELIABLE WAVES
SE515172C2 (en) 1996-12-20 2001-06-18 Ericsson Telefon Ab L M Device and method of telecommunication networks
DE19703992A1 (en) * 1997-02-03 1998-08-06 Siemens Ag Method for the equivalent switching of transmission devices in ring architectures for the bidirectional transmission of ATM cells
DE69832691D1 (en) 1997-02-17 2006-01-12 Comm & Control Electronics Ltd LOCAL COMMUNICATION SYSTEM
US6728205B1 (en) 1997-02-19 2004-04-27 Massachusetts Institute Of Technology Method and apparatus for automatic protection switching
US6047331A (en) * 1997-02-19 2000-04-04 Massachusetts Institute Of Technology Method and apparatus for automatic protection switching
US6504817B2 (en) * 1997-03-31 2003-01-07 Hewlett-Packard Company Fiber channel arbitrated loop dynamic loop sizing
GB2327020A (en) * 1997-06-30 1999-01-06 Ericsson Telefon Ab L M A self-healing meshed network
GB2332832B (en) * 1997-12-23 2003-06-04 Northern Telecom Ltd Communication system and method of routing information therein
US6052210A (en) * 1998-01-14 2000-04-18 Mci Communications Corporation System and method for increasing the robustness of an optical ring network
US6038044A (en) * 1998-02-20 2000-03-14 Mci Communications Corporation Ring/mesh optical network
US6606297B1 (en) * 1998-05-29 2003-08-12 Tellabs Operations, Inc. Bi-directional ring network having minimum spare bandwidth allocation and corresponding connection admission control
CA2274292C (en) * 1998-06-10 2006-04-11 Kabushiki Kaisha Toshiba Communication network system and loopback control method
FR2790628B1 (en) * 1999-03-02 2001-06-01 Sextant Avionique INFORMATION DISTRIBUTION NETWORK AND FAILURE MANAGEMENT METHOD OF THIS NETWORK
US6658013B1 (en) * 1999-03-23 2003-12-02 Nortel Networks Limited Method and apparatus for ensuring survivability of inter-ring traffic
US6826197B1 (en) 1999-04-01 2004-11-30 Sedna Patent Services, Llc Data packet structure for digital information distribution
US6639896B1 (en) 1999-04-01 2003-10-28 Diva Systems Corporation Asynchronous serial interface (ASI) ring network for digital information distribution
US6355886B1 (en) 1999-05-21 2002-03-12 Tycom (Us) Inc. Undersea trunk-and-branch logical ring networks
US6992978B1 (en) 1999-06-02 2006-01-31 Alcatel Communications, Inc. Method and system for path protection in a communications network
US6606362B1 (en) * 1999-06-29 2003-08-12 Nortel Networks Limited Synchronization in a telecommunications network
US6711125B1 (en) * 1999-08-02 2004-03-23 Extreme Networks Provisioning networks for reliable quality of service
US7315510B1 (en) * 1999-10-21 2008-01-01 Tellabs Operations, Inc. Method and apparatus for detecting MPLS network failures
US7298693B1 (en) 1999-10-21 2007-11-20 Tellabs Operations, Inc. Reverse notification tree for data networks
AU1338001A (en) * 1999-10-21 2001-04-30 Tellabs Operations, Inc. Method and apparatus for detecting mpls network failures
US7804767B1 (en) 1999-10-25 2010-09-28 Tellabs Operations, Inc. Protection/restoration of MPLS networks
US6959000B1 (en) 2000-02-08 2005-10-25 Lucent Technologies Inc. Configuration management of a hybrid DCS-SONET ring network
EP1126741A1 (en) * 2000-02-15 2001-08-22 Siemens Aktiengesellschaft Method for protection switching of transmission equipment in MPLS networks
AUPQ617500A0 (en) * 2000-03-10 2000-04-06 Telstra R & D Management Pty Ltd A communications network architecture
DE10025283B4 (en) * 2000-05-22 2005-12-08 Fujitsu Siemens Computers Gmbh Device for the dynamic connection of at least two data ring cells
JP2002271354A (en) * 2001-03-06 2002-09-20 Fujitsu Ltd Light path switching apparatus and light wavelength multiplex diversity communication system
US20020167899A1 (en) * 2001-05-11 2002-11-14 Thompson Richard A. System and method for the configuration, repair and protection of virtual ring networks
US7054264B2 (en) * 2001-07-24 2006-05-30 Corrigent Systems Ltd. Interconnect and gateway protection in bidirectional ring networks
JP4777552B2 (en) 2001-08-02 2011-09-21 富士通株式会社 Node device and network system in network
US7289428B2 (en) * 2001-08-13 2007-10-30 Tellabs Operations, Inc. Inter-working mesh telecommunications networks
US7061859B2 (en) 2001-08-30 2006-06-13 Corrigent Systems Ltd. Fast protection in ring topologies
DE60109458T2 (en) * 2001-11-09 2006-01-12 Evolium S.A.S. Method and device for the concatenated use of SDH cards
GB2383508B (en) 2001-12-22 2004-01-28 3Com Corp Cascade control system for network units
GB2383507B (en) 2001-12-22 2004-04-28 3Com Corp Cascade system for network units
US7145882B2 (en) * 2002-04-04 2006-12-05 Bay Microsystems, Inc. Multiplexed automatic protection switching channels
US7283739B2 (en) * 2002-05-29 2007-10-16 Fujitsu Limited Multiple subnets in an optical ring network and method
US7184663B2 (en) 2002-05-29 2007-02-27 Fujitsu Limited Optical ring network with hub node and method
US7283740B2 (en) * 2002-05-29 2007-10-16 Fujitsu Limited Optical ring network with optical subnets and method
AU2003252157A1 (en) * 2002-07-23 2004-02-09 Gatechange Technologies, Inc. Interconnect structure for electrical devices
US7545735B1 (en) * 2003-03-11 2009-06-09 Atrica Israel Ltd. Scalable protection mechanism for hierarchical multicast service in ring based networks
US7321729B2 (en) * 2003-05-29 2008-01-22 Fujitsu Limited Optical ring network with selective signal regeneration and wavelength conversion
GB0315745D0 (en) * 2003-07-04 2003-08-13 Novartis Ag Organic compounds
US7483637B2 (en) * 2003-11-26 2009-01-27 Fujitsu Limited Optical ring network with optical subnets and method
US20050175346A1 (en) * 2004-02-10 2005-08-11 Fujitsu Limited Upgraded flexible open ring optical network and method
US20050286896A1 (en) * 2004-06-29 2005-12-29 Fujitsu Limited Hybrid optical ring network
US20060188260A1 (en) * 2005-02-22 2006-08-24 Positron Networks Pni Inc. Robust service delivery node and method therefor
US20060264214A1 (en) * 2005-05-20 2006-11-23 Nextwave Broadband, Inc. Mode-switching wireless communications equipment
CN100477622C (en) * 2006-06-28 2009-04-08 华中科技大学 Circular node organizing method in reciprocal network request broadcast system
JP5617503B2 (en) * 2010-09-30 2014-11-05 富士通株式会社 Optical network repeater
GB201904266D0 (en) * 2019-03-27 2019-05-08 Graphcore Ltd A networked computer with embedded rings

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1229149A (en) * 1969-07-28 1971-04-21
US3748647A (en) * 1971-06-30 1973-07-24 Ibm Toroidal interconnection system
JPS53114629A (en) * 1977-03-17 1978-10-06 Toshiba Corp Data highway system
US4383314A (en) * 1981-01-12 1983-05-10 Burroughs Corporation Circular access linkage loop configuration for system communication
JPS58139543A (en) * 1982-02-15 1983-08-18 Ricoh Co Ltd Communication circuit network
FR2540694B1 (en) * 1983-02-07 1988-05-13 Trt Telecom Radio Electr TIME MULTIPLEX LOOP TELECOMMUNICATION SYSTEM COMPRISING FIRST AND SECOND TRANSMISSION LINES
JPH0758965B2 (en) * 1984-03-13 1995-06-21 株式会社日立製作所 Network system
IT1199859B (en) * 1985-03-06 1989-01-05 Cselt Centro Studi Lab Telecom HIGH SPEED INTEGRATED LOCAL NETWORK-RECONFIGURABLE CITIES
US4742511A (en) * 1985-06-13 1988-05-03 Texas Instruments Incorporated Method and apparatus for routing packets in a multinode computer interconnect network
CA1252168A (en) * 1985-07-24 1989-04-04 Kenneth A. Bobey Communications network
US4797882A (en) * 1985-10-02 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Mesh-based switching network
JPS6346029A (en) * 1986-08-13 1988-02-26 Hitachi Ltd Loopback control system
GB8714388D0 (en) * 1987-06-19 1987-07-22 Gen Electric Co Plc Data communications network
US4835763A (en) 1988-02-04 1989-05-30 Bell Communications Research, Inc. Survivable ring network
JPH0773394B2 (en) * 1988-03-09 1995-08-02 富士通株式会社 Method for integrating heterogeneous communication networks into a unified communication network
FR2637751A1 (en) * 1988-10-07 1990-04-13 Trt Telecom Radio Electr INFORMATION REWARDING DEVICE FOR TRANSMITTING INTO OUTSTANDING TIME MULTIPLEX INFORMATION FROM MULTIPLEX ASYNCHRONOUS INPUT TEMPORALS
US5016244A (en) * 1989-09-08 1991-05-14 Honeywell Inc. Method for controlling failover between redundant network interface modules
US5179548A (en) * 1991-06-27 1993-01-12 Bell Communications Research, Inc. Self-healing bidirectional logical-ring network using crossconnects

Also Published As

Publication number Publication date
CA2090428C (en) 1996-10-01
DE69129856D1 (en) 1998-08-27
JP2655287B2 (en) 1997-09-17
WO1992004787A1 (en) 1992-03-19
DE69129856T2 (en) 1999-03-18
US5327427A (en) 1994-07-05
EP0545932A1 (en) 1993-06-16
JPH06506090A (en) 1994-07-07
EP0545932B1 (en) 1998-07-22
EP0545932A4 (en) 1994-02-23

Similar Documents

Publication Publication Date Title
CA2090428A1 (en) Self-Healing Meshed Network Using Logical Ring Structures
US6226111B1 (en) Inter-ring cross-connect for survivable multi-wavelength optical communication networks
CA2112386A1 (en) Self-Healing Bidirectional Logical-Ring Network Using Crossconnects
ATE208974T1 (en) COMMUNICATIONS NETWORK HAVING A CHANNEL SWITCHING PROTECTION ARRANGEMENT
EP1057296A1 (en) Ring/mesh optical network
US5583855A (en) Add/drop multiplexer apparatus
CA2094642A1 (en) Distributed switching in bidirectional multiplex section-switched ring transmission systems
US6579018B1 (en) Four-fiber ring optical cross connect system using 4×4 switch matrices
US20030026281A1 (en) Interlocking SONET/SDH network architecture
US6061482A (en) Channel layered optical cross-connect restoration system
US6683849B1 (en) Optical communications network
US5742774A (en) Multi-ring SONET architecture having shared gateways daisy chained to complete the main and subsidiary ring controlled by a common master controller
US8625411B2 (en) Robust mesh transport network comprising conjoined rings
US20050281250A1 (en) Fiber optic synchronous digital hierarchy telecommunication network provided with a protection system shared on the network
US20030086368A1 (en) Fault-tolerant mesh network comprising interlocking ring networks
US20030076860A1 (en) Composite add/drop multiplexor
US7680032B1 (en) Bidirectional line switched partial rings, mesh networks, and methods of operation
CA2213467A1 (en) Establishment of a flexible rate interface link to restore channels from a failed communication link
US7573814B1 (en) Method and apparatus for protection of an optical network
ATE265772T1 (en) TELECOMMUNICATION SYSTEM WITH EASILY CONFIGURABLE MONITORING CONTROL
KR100601865B1 (en) Construction of Link in Optical Transfer Network
KR100602889B1 (en) A virtual protection method and means for the fiber path
Lee Reliability models of a class of self-healing rings
Antonopoulos et al. Design methodology for ETSI SDH subnetworks employing SNCP-rings
Shibagaki et al. Network protection system for TAT-12/13 subsea cable network

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry