DE69330395D1 - Verbesserte Steuereinrichtung für eine Paketvermittlungsstelle mit gepufferten Eingängen - Google Patents

Verbesserte Steuereinrichtung für eine Paketvermittlungsstelle mit gepufferten Eingängen

Info

Publication number
DE69330395D1
DE69330395D1 DE69330395T DE69330395T DE69330395D1 DE 69330395 D1 DE69330395 D1 DE 69330395D1 DE 69330395 T DE69330395 T DE 69330395T DE 69330395 T DE69330395 T DE 69330395T DE 69330395 D1 DE69330395 D1 DE 69330395D1
Authority
DE
Germany
Prior art keywords
packet switch
improved controller
buffered inputs
buffered
inputs
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
DE69330395T
Other languages
English (en)
Other versions
DE69330395T2 (de
Inventor
Kai Y Eng
Mark J Karol
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.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69330395D1 publication Critical patent/DE69330395D1/de
Publication of DE69330395T2 publication Critical patent/DE69330395T2/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
    • H04L49/50—Overload detection or protection within a single switching element
    • H04L49/505—Corrective measures
    • H04L49/508—Head of Line Blocking Avoidance
    • 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
    • H04L49/253—Routing or path finding in a switch fabric using establishment or release of connections between ports
    • H04L49/254—Centralised controller, i.e. arbitration or scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/30—Peripheral units, e.g. input or output ports
    • H04L49/3018—Input queuing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/30—Peripheral units, e.g. input or output ports
    • H04L49/3081—ATM peripheral units, e.g. policing, insertion or extraction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/50—Application to a particular transducer type
    • B06B2201/55—Piezoelectric transducer
    • 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
    • H04L2012/5678—Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
    • H04L2012/5679—Arbitration or scheduling
DE69330395T 1992-05-05 1993-04-26 Verbesserte Steuereinrichtung für eine Paketvermittlungsstelle mit gepufferten Eingängen Expired - Fee Related DE69330395T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/878,801 US5255265A (en) 1992-05-05 1992-05-05 Controller for input-queued packet switch

Publications (2)

Publication Number Publication Date
DE69330395D1 true DE69330395D1 (de) 2001-08-09
DE69330395T2 DE69330395T2 (de) 2002-05-16

Family

ID=25372874

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69330395T Expired - Fee Related DE69330395T2 (de) 1992-05-05 1993-04-26 Verbesserte Steuereinrichtung für eine Paketvermittlungsstelle mit gepufferten Eingängen

Country Status (6)

Country Link
US (1) US5255265A (de)
EP (1) EP0569172B1 (de)
JP (1) JP2981082B2 (de)
CA (1) CA2093849C (de)
DE (1) DE69330395T2 (de)
ES (1) ES2160586T3 (de)

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SE515148C2 (sv) * 1993-06-23 2001-06-18 Ericsson Telefon Ab L M Styrning av cellväljare
US5542115A (en) 1994-06-24 1996-07-30 Pioneer Tech Development Limited Paging method and apparatus
US5949781A (en) * 1994-08-31 1999-09-07 Brooktree Corporation Controller for ATM segmentation and reassembly
US5517495A (en) * 1994-12-06 1996-05-14 At&T Corp. Fair prioritized scheduling in an input-buffered switch
US5631908A (en) * 1995-03-28 1997-05-20 Digital Equipment Corporation Method and apparatus for generating and implementing smooth schedules for forwarding data flows across cell-based switches
KR100262682B1 (ko) * 1995-04-15 2000-08-01 최병석 멀티캐스트 atm교환기 및 그멀티캐스트 경합조정방법
US5991296A (en) * 1996-02-22 1999-11-23 Fujitsu, Ltd. Crossbar switch and method with reduced voltage swing and no internal blocking data path
US5838684A (en) * 1996-02-22 1998-11-17 Fujitsu, Ltd. Low latency, high clock frequency plesioasynchronous packet-based crossbar switching chip system and method
US5923644A (en) * 1996-10-03 1999-07-13 The Board Of Trustees Of The Leland Stanford Junior University Apparatus and method for processing multicast cells in an input-queued multicast switch
JP2871650B2 (ja) 1997-04-17 1999-03-17 日本電気株式会社 データ伝送システム
US5978858A (en) * 1997-09-30 1999-11-02 Compaq Computer Corporation Packet protocol and distributed burst engine
JP3125739B2 (ja) * 1998-02-17 2001-01-22 日本電気株式会社 バススイッチ
US6044061A (en) * 1998-03-10 2000-03-28 Cabletron Systems, Inc. Method and apparatus for fair and efficient scheduling of variable-size data packets in an input-buffered multipoint switch
US6160812A (en) * 1998-05-04 2000-12-12 Cabletron Systems, Inc. Method and apparatus for supplying requests to a scheduler in an input buffered multiport switch
US6185221B1 (en) 1998-11-09 2001-02-06 Cabletron Systems, Inc. Method and apparatus for fair and efficient scheduling of variable-size data packets in an input-buffered multipoint switch
US6539026B1 (en) 1999-03-15 2003-03-25 Cisco Technology, Inc. Apparatus and method for delay management in a data communications network
US7145869B1 (en) * 1999-03-17 2006-12-05 Broadcom Corporation Method for avoiding out-of-ordering of frames in a network switch
US6895015B1 (en) * 1999-05-05 2005-05-17 Advanced Micro Devices, Inc. Dynamic time slot allocation in internal rules checker scheduler
US7058063B1 (en) * 1999-06-18 2006-06-06 Nec Corporation Pipelined packet scheduler for high speed optical switches
US6731638B1 (en) * 1999-10-14 2004-05-04 Synchrodyne Networks, Inc. Switch scheduling with common time reference
DE10105935B4 (de) * 2000-02-09 2009-06-18 Nec Corp. Multimode-Scheduler, Vorrichtung mit einem Multimode-Scheduler und Multimode-Abwicklungsverfahren
US7023841B2 (en) * 2000-12-15 2006-04-04 Agere Systems Inc. Three-stage switch fabric with buffered crossbar devices
US7161906B2 (en) * 2000-12-15 2007-01-09 Agere Systems Inc. Three-stage switch fabric with input device features
US7158528B2 (en) * 2000-12-15 2007-01-02 Agere Systems Inc. Scheduler for a packet routing and switching system
JP4072315B2 (ja) 2000-12-26 2008-04-09 富士通株式会社 パケットスイッチ
US7433683B2 (en) * 2000-12-28 2008-10-07 Northstar Acquisitions, Llc System for fast macrodiversity switching in mobile wireless networks
US7065046B2 (en) * 2001-04-06 2006-06-20 Lucent Technologies Inc. Scalable weight-based terabit switch scheduling method
US20020191588A1 (en) * 2001-06-13 2002-12-19 Drexel University Integrated circuit and packet switching system
US20030035371A1 (en) * 2001-07-31 2003-02-20 Coke Reed Means and apparatus for a scaleable congestion free switching system with intelligent control
FR2830162B1 (fr) * 2001-09-27 2003-12-05 Streamcore Dispositif de gestion partagee
JP3747839B2 (ja) * 2001-11-21 2006-02-22 日本電気株式会社 符号変換システム及びその変換方法並びに変換プログラム
KR100483546B1 (ko) * 2002-08-22 2005-04-15 엘지전자 주식회사 에이티엠 입력 셀 복제에 의한 멀티캐스트 스위칭 장치 및방법
GB2397966B (en) * 2003-02-01 2005-04-20 3Com Corp High-speed switch architecture
GB2401279B (en) * 2003-04-29 2005-06-01 3Com Corp Switch module architecture
WO2006018751A1 (en) * 2004-08-12 2006-02-23 Koninklijke Philips Electronics N.V. A method for allocating data to at least one packet in an integrated circuit
US8054487B2 (en) 2004-12-16 2011-11-08 International Business Machines Corporation Mechanism to create a reservation against a future scheduling object instantiation
US7346050B2 (en) * 2005-01-31 2008-03-18 International Business Machines Corporation Method, system, and storage medium for delay optimization for scheduling in bufferless crossbar switches

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1196791B (it) * 1986-11-18 1988-11-25 Cselt Centro Studi Lab Telecom Elemento di commutazione per reti di interconnessione multistadio autoinstradanti a commutazione di pacchetto
DE3738177A1 (de) * 1987-11-10 1989-05-18 Siemens Ag Vermittlungsknoten fuer die vermittlung von in datenpaketen uebertragenen datensignalen
JPH0287745A (ja) * 1988-09-26 1990-03-28 Nippon Telegr & Teleph Corp <Ntt> セル競合制御回路
US4979165A (en) * 1989-06-23 1990-12-18 At&T Bell Laboratories Multiple queue bandwidth reservation packet system
JP2803262B2 (ja) * 1989-12-15 1998-09-24 日本電気株式会社 パケット・スイッチ
US5157654A (en) * 1990-12-18 1992-10-20 Bell Communications Research, Inc. Technique for resolving output port contention in a high speed packet switch

Also Published As

Publication number Publication date
EP0569172A2 (de) 1993-11-10
DE69330395T2 (de) 2002-05-16
EP0569172A3 (de) 1995-01-25
JP2981082B2 (ja) 1999-11-22
US5255265A (en) 1993-10-19
CA2093849A1 (en) 1993-11-06
JPH0637805A (ja) 1994-02-10
ES2160586T3 (es) 2001-11-16
EP0569172B1 (de) 2001-07-04
CA2093849C (en) 1999-06-22

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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