DE69019081T2 - ATM-Vermittlungssystem mit Doppelvermittlerstruktur. - Google Patents

ATM-Vermittlungssystem mit Doppelvermittlerstruktur.

Info

Publication number
DE69019081T2
DE69019081T2 DE1990619081 DE69019081T DE69019081T2 DE 69019081 T2 DE69019081 T2 DE 69019081T2 DE 1990619081 DE1990619081 DE 1990619081 DE 69019081 T DE69019081 T DE 69019081T DE 69019081 T2 DE69019081 T2 DE 69019081T2
Authority
DE
Germany
Prior art keywords
switching
double
atm
switching system
switching structure
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
DE1990619081
Other languages
English (en)
Other versions
DE69019081D1 (de
Inventor
Naoyuki Izawa
Yoshihiro Uchida
Masami Murayama
Yasuhiro Aso
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69019081D1 publication Critical patent/DE69019081D1/de
Publication of DE69019081T2 publication Critical patent/DE69019081T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/55—Prevention, detection or correction of errors
    • H04L49/552—Prevention, detection or correction of errors by ensuring the integrity of packets received through redundant connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H04L49/103—Packet switching elements characterised by the switching fabric construction using a shared central buffer; using a shared memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/15—Interconnection of switching modules
    • H04L49/1515—Non-blocking multistage, e.g. Clos
    • H04L49/1523—Parallel switch fabric planes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/25—Routing or path finding in a switch fabric
DE1990619081 1989-06-22 1990-06-21 ATM-Vermittlungssystem mit Doppelvermittlerstruktur. Expired - Fee Related DE69019081T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16043989A JP2677418B2 (ja) 1989-06-22 1989-06-22 Ａｔｍスイッチの系切換方式

Publications (2)

Publication Number Publication Date
DE69019081D1 DE69019081D1 (de) 1995-06-08
DE69019081T2 true DE69019081T2 (de) 1995-10-12

Family

ID=15714960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990619081 Expired - Fee Related DE69019081T2 (de) 1989-06-22 1990-06-21 ATM-Vermittlungssystem mit Doppelvermittlerstruktur.

Country Status (5)

Country Link
US (1) US5153578A (de)
EP (1) EP0410139B1 (de)
JP (1) JP2677418B2 (de)
CA (1) CA2019368C (de)
DE (1) DE69019081T2 (de)

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JP3069389B2 (ja) * 1991-05-27 2000-07-24 富士通株式会社 Ａｔｍセル誤り処理システム
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JPH0530132A (ja) * 1991-07-24 1993-02-05 Fujitsu Ltd Ａｔｍ網における課金方式
JP2744724B2 (ja) * 1991-10-03 1998-04-28 シャープ株式会社 データフロー型システムにおけるパケット収集回路
JPH05130134A (ja) * 1991-11-08 1993-05-25 Fujitsu Ltd Ａｔｍ交換における系切替方式
US5398235A (en) * 1991-11-15 1995-03-14 Mitsubishi Denki Kabushiki Kaisha Cell exchanging apparatus
JP2671699B2 (ja) * 1991-11-15 1997-10-29 三菱電機株式会社 セル交換装置
US6295615B1 (en) 1991-12-09 2001-09-25 Sprint Communications Company, L. P. Automatic restoration of communication channels
JP3045865B2 (ja) * 1992-02-10 2000-05-29 日本電信電話株式会社 Ａｔｍクロスコネクト装置
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US5285441A (en) * 1992-03-17 1994-02-08 At&T Bell Laboratories Errorless line protection switching in asynchronous transer mode (ATM) communications systems
EP0566962B1 (de) * 1992-04-24 2003-01-08 Siemens Aktiengesellschaft Verfahren zur Überwachung von virtuellen Verbindungen innerhalb eines digitalen Fernmeldenetzes
ES2113915T3 (es) * 1992-06-01 1998-05-16 Alsthom Cge Alcatel Red de conmutacion.
US5274642A (en) * 1992-06-05 1993-12-28 Indra Widjaja Output buffered packet switch with a flexible buffer management scheme
EP0576856A3 (en) * 1992-06-30 1996-07-03 Siemens Ag Method and circuit for transmission of a continuous atm bitstream
US5390163A (en) * 1992-09-09 1995-02-14 Nec Corporation Data exchange capable of minimizing loss of a data block
US5406548A (en) * 1992-12-08 1995-04-11 Nec Corporation Line accommodation circuit capable of switching from an active system to a standby system without a loss of a communication information signal
US5535212A (en) * 1992-12-21 1996-07-09 Otis Elevator Company Implicit token media access protocol without collision detection
CA2105268C (en) * 1992-12-28 1999-07-13 Shahrukh S. Merchant Resynchronization of asynchronous transfer mode (atm) switch fabric
US5504741A (en) * 1993-02-15 1996-04-02 Mitsubishi Denki Kabushiki Kaisha Data queuing apparatus and ATM cell switch based on shifting and searching
SE516073C2 (sv) * 1993-02-15 2001-11-12 Ericsson Telefon Ab L M Sätt för hantering av redundanta väljarplan i paketväljare och paketväljare för utförande av sättet
US5577196A (en) * 1993-04-07 1996-11-19 Sprint Communications Co. L.P. Intelligent digital signal hitless protection switch
US5506956A (en) * 1993-04-07 1996-04-09 Sprint Communications Company L.P. Error correction and channel restoration apparatus for T1 digital links
ES2164061T3 (es) * 1993-04-29 2002-02-16 Cit Alcatel Generador de trafico.
DE4317951C1 (de) * 1993-05-28 1994-05-26 Siemens Ag Verfahren und Schaltungsanordnung zur Übertragung von Nachrichtenpaketen nach dem Asynchronen Transfermodus in einem Kommunikationsnetz
JP2647003B2 (ja) * 1994-05-24 1997-08-27 日本電気株式会社 Ａｔｍスイッチの系切り替え制御方式
TW274671B (de) * 1994-06-24 1996-04-21 At & T Corp
US5436886A (en) * 1994-07-14 1995-07-25 Northern Telecom Limited ATM switch in dual switch plane operation
JPH0837527A (ja) * 1994-07-25 1996-02-06 Fujitsu Ltd Ａｔｍ交換機における集中試験装置
JP2655493B2 (ja) * 1994-11-04 1997-09-17 日本電気株式会社 Ａｔｍスイッチシステム
US5535209A (en) * 1995-04-10 1996-07-09 Digital Equipment Corporation Method and apparatus for transporting timed program data using single transport schedule
EP0742677A3 (de) * 1995-05-08 1999-09-15 Fujitsu Limited Kopfübersetzungsverfahren
US5784274A (en) * 1995-06-02 1998-07-21 Fujitsu Limited System and method for monitoring errors occurring in data processed by a duplexed communication apparatus
US6002667A (en) * 1995-07-19 1999-12-14 Fujitsu Network Communications, Inc. Minimum guaranteed cell rate method and apparatus
US5966387A (en) * 1995-09-25 1999-10-12 Bell Atlantic Network Services, Inc. Apparatus and method for correcting jitter in data packets
US5805602A (en) * 1995-09-25 1998-09-08 Bell Atlantic Network Services, Inc. Network monitoring system for cell delay variation
US5790543A (en) * 1995-09-25 1998-08-04 Bell Atlantic Network Services, Inc. Apparatus and method for correcting jitter in data packets
US5631907A (en) * 1995-12-13 1997-05-20 Lucent Technologies Inc. Reliable broadcast protocol structure for electronic software distribution
US5940377A (en) * 1995-12-21 1999-08-17 Kabushiki Kaisha Toshiba Asynchronous transfer mode switch including cell counter verification circuitry
JP3176548B2 (ja) * 1996-01-26 2001-06-18 富士通株式会社 Ａｔｍ交換局における回線インタフェース装置
JP2790112B2 (ja) * 1996-02-16 1998-08-27 日本電気株式会社 遅延優先制御バッファの無瞬断切替装置及び切替方法
JPH09261229A (ja) * 1996-03-19 1997-10-03 Hitachi Ltd Ａｔｍ通信装置
JP3697317B2 (ja) 1996-05-28 2005-09-21 株式会社東芝 通信装置
KR100233087B1 (ko) * 1996-06-29 1999-12-01 윤종용 비동기 전송 모드 교환기의 메인 프로세서 이중화장치 및 방법
FR2754964B1 (fr) * 1996-10-18 1999-07-16 Thomson Csf Dispositif a architecture repartie economique pour la commutation de cellules atm dans un reseau local, avec tolerance de panne des fonctions de brassage et de gestion
JP3067718B2 (ja) 1997-10-31 2000-07-24 日本電気株式会社 Ａｂｒ機能を有するａｔｍシステム
US6667954B1 (en) * 2000-02-10 2003-12-23 Tellabs Operations, Inc. Methods and apparatus for selecting the better cell from redundant streams within a cell-oriented environment
US20020034162A1 (en) * 2000-06-30 2002-03-21 Brinkerhoff Kenneth W. Technique for implementing fractional interval times for fine granularity bandwidth allocation
US7283547B1 (en) * 2000-08-11 2007-10-16 Ericsson Ab Switch fabrics logical synchronization utilizing propagation lockdown
US7289433B1 (en) * 2000-10-24 2007-10-30 Nortel Networks Limited Method and system for providing robust connections in networking applications
FR2842387B1 (fr) * 2002-07-11 2005-07-08 Cit Alcatel Chemisage chauffant pour reacteur de gravure plasma, procede de gravure pour sa mise en oeuvre
US7336622B1 (en) 2003-09-08 2008-02-26 Cisco Technology, Inc. Method and system for resolving switch number conflicts in a stackable switch system
JP4587981B2 (ja) * 2006-03-24 2010-11-24 富士通株式会社 セル伝送装置
EP2834931B1 (de) * 2012-04-03 2021-12-01 Nevion Europe AS Signalschutz

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US4228535A (en) * 1979-02-26 1980-10-14 Rockwell International Corporation Dual TDM switching apparatus
US4477895A (en) * 1980-05-02 1984-10-16 Harris Corporation Synchronized protection switching arrangement
JPS5729163A (en) * 1980-07-29 1982-02-17 Nec Corp Fault detecting circuit
FR2574237B1 (fr) * 1984-11-30 1992-05-22 Telecommunications Sa Systeme de commutation pour reseau de transmission numerique
US4646287A (en) * 1984-12-07 1987-02-24 At&T Bell Laboratories Idle period signalling in a packet switching system
US4730304A (en) * 1985-10-02 1988-03-08 American Telephone And Telegraph Company, At&T Bell Laboratories Data base creation in stored program controlled switching systems
JPS62253231A (ja) * 1986-01-07 1987-11-05 Fujitsu Ltd 現用予備切換システム
US4752927A (en) * 1986-04-09 1988-06-21 Tektronix, Inc. Synchronous changeover
DE3742748A1 (de) * 1987-12-17 1989-07-06 Philips Patentverwaltung Koppelfeld und koppelfeldsteuerung fuer einen vermittlungsknoten eines breitband-vermittlungssystems
JP2667868B2 (ja) * 1988-04-06 1997-10-27 株式会社日立製作所 セル・スイッチング・システム
EP0351818B1 (de) * 1988-07-22 1998-12-02 Hitachi, Ltd. ATM-Vermittlungssystem

Also Published As

Publication number Publication date
EP0410139B1 (de) 1995-05-03
JPH0326038A (ja) 1991-02-04
CA2019368A1 (en) 1990-12-22
CA2019368C (en) 1996-08-06
EP0410139A2 (de) 1991-01-30
US5153578A (en) 1992-10-06
EP0410139A3 (en) 1992-06-03
JP2677418B2 (ja) 1997-11-17
DE69019081D1 (de) 1995-06-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee