BR9712909A - Estrutura de comutação - Google Patents
Estrutura de comutaçãoInfo
- Publication number
- BR9712909A BR9712909A BR9712909A BR9712909A BR9712909A BR 9712909 A BR9712909 A BR 9712909A BR 9712909 A BR9712909 A BR 9712909A BR 9712909 A BR9712909 A BR 9712909A BR 9712909 A BR9712909 A BR 9712909A
- Authority
- BR
- Brazil
- Prior art keywords
- network element
- switching
- routing
- switching structure
- displacement
- Prior art date
Links
Classifications
-
- 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
-
- 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
- H04L49/1553—Interconnection of ATM switching modules, e.g. ATM switching fabrics
- H04L49/1561—Distribute and route fabrics, e.g. Batcher-Banyan
-
- 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
- H04L49/1553—Interconnection of ATM switching modules, e.g. ATM switching fabrics
- H04L49/1569—Clos switching fabrics
-
- 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
- H04L49/256—Routing or path finding in ATM switching fabrics
-
- 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
- H04L49/309—Header conversion, routing tables or routing tags
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/64—Distributing or queueing
- H04Q3/68—Grouping or interlacing selector groups or stages
- H04Q3/685—Circuit arrangements therefor
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Massaging Devices (AREA)
- Exchange Systems With Centralized Control (AREA)
- Steering Controls (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
"ESTRUTURA DE COMUTAçãO". A presente invenção refee comunicações com comutação de pacotes. A estrutura de comutação compreende uma pluralidade de portectados emtre si em uma estrutura de comutação. Cada elemento comutador tem uma pluralidade de entradas e saídas e cada elemento comutador encaminha uções de encaminhamento (SRT) conduzidas pelo pacote de dados. De maneira a reduzir a blocagem interna no comutador, cada elemento comutador (SE1) em pelo menos o primeiro estágio de comutação é formado por um elemento de rede de encaminhamento (RE~ 1~) e um elemento de rede de deslocamento (SHE~ i~) conectados em série entre si de maneira que a i^ a^ saída do elemento de rede de encaminhamento é conectado com a i^ a^ entrada do elemento de rede de descolamento, com isto (1) cada elemento de redde acordo com regras fixas, predeterminadas na base das informações de encaminhamento conduzidas pelo pacote de dados, e (2) cada elemento de rede de sua i^ a^ entrada para sua j^ a^ saída, com isto os índices i e j são emparelhados de forma que (a) dentro de um intervalo de tempo dado, todos os va um elemento de rede de deslocamento dado, e (b) drente de j é alocado a cada um dos i'' do mesmo valor usados nos diferentes elementos de rede de deslocamento.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI964454A FI964454A0 (fi) | 1996-11-06 | 1996-11-06 | Uppkopplingsmatris |
FI971432A FI103312B (fi) | 1996-11-06 | 1997-04-04 | Kytkentämatriisi |
PCT/FI1997/000670 WO1998020700A1 (en) | 1996-11-06 | 1997-11-04 | Switching fabric |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9712909A true BR9712909A (pt) | 2000-03-21 |
Family
ID=26160247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9712909A BR9712909A (pt) | 1996-11-06 | 1997-11-04 | Estrutura de comutação |
Country Status (9)
Country | Link |
---|---|
US (1) | US6157643A (pt) |
EP (1) | EP0941627B1 (pt) |
AU (1) | AU728583B2 (pt) |
BR (1) | BR9712909A (pt) |
CA (1) | CA2270977A1 (pt) |
DE (1) | DE69730858D1 (pt) |
FI (1) | FI103312B (pt) |
NZ (1) | NZ335942A (pt) |
WO (1) | WO1998020700A1 (pt) |
Families Citing this family (82)
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---|---|---|---|---|
KR100212064B1 (ko) * | 1997-05-21 | 1999-08-02 | 윤종용 | 2n X n 다중화 스위치 구조 |
CA2250607A1 (en) * | 1997-10-16 | 1999-04-16 | Hiroaki Oyama | Fabric system and method for assigning identifier for fabric apparatus therefor |
SE515666C2 (sv) * | 1998-07-17 | 2001-09-17 | Ericsson Telefon Ab L M | Pålitlig och robust ATM-växel |
US6804229B2 (en) | 1998-12-30 | 2004-10-12 | Nortel Networks Limited | Multiple node network architecture |
US6885661B1 (en) | 1998-12-30 | 2005-04-26 | Nortel Networks Limited | Private branch exchange built using an ATM Network |
US6768736B1 (en) | 1998-12-30 | 2004-07-27 | Nortel Networks Limited | Using an ATM switch to grow the capacity of a switching stage |
US6778538B2 (en) * | 1998-12-30 | 2004-08-17 | Nortel Networks Limited | Virtual junctors |
US6788703B2 (en) * | 1998-12-30 | 2004-09-07 | Nortel Networks Limited | DS0 on ATM, mapping and handling |
US7382736B2 (en) | 1999-01-12 | 2008-06-03 | Mcdata Corporation | Method for scoring queued frames for selective transmission through a switch |
US6430179B1 (en) * | 1999-02-24 | 2002-08-06 | Adc Telecommunications, Inc. | Three stage router for broadcast application |
US6781986B1 (en) * | 1999-06-25 | 2004-08-24 | Nortel Networks Limited | Scalable high capacity switch architecture method, apparatus and system |
US7295552B1 (en) * | 1999-06-30 | 2007-11-13 | Broadcom Corporation | Cluster switching architecture |
JP3344383B2 (ja) * | 1999-10-04 | 2002-11-11 | 日本電気株式会社 | スケジューラ |
US6724758B1 (en) * | 1999-12-20 | 2004-04-20 | Cisco Technology, Inc. | Stage specific dilation in multi-stage interconnection networks |
US7106728B1 (en) * | 2000-05-01 | 2006-09-12 | Industrial Technology Research Institute | Switching by multistage interconnection of concentrators |
US6591285B1 (en) * | 2000-06-16 | 2003-07-08 | Shuo-Yen Robert Li | Running-sum adder networks determined by recursive construction of multi-stage networks |
US6816487B1 (en) * | 2000-07-20 | 2004-11-09 | Nortel Networks Limited | Mapping of high bandwidth connections in a multi-stage switch |
US6724759B1 (en) | 2000-08-11 | 2004-04-20 | Paion Company, Limited | System, method and article of manufacture for transferring a packet from a port controller to a switch fabric in a switch fabric chipset system |
US6731631B1 (en) * | 2000-08-11 | 2004-05-04 | Paion Company, Limited | System, method and article of manufacture for updating a switching table in a switch fabric chipset system |
US6804731B1 (en) | 2000-08-11 | 2004-10-12 | Paion Company, Limited | System, method and article of manufacture for storing an incoming datagram in switch matrix in a switch fabric chipset system |
US7065076B1 (en) * | 2000-08-25 | 2006-06-20 | Promise Technology, Inc. | Modular scalable switching networks |
US7596139B2 (en) | 2000-11-17 | 2009-09-29 | Foundry Networks, Inc. | Backplane interface adapter with error control and redundant fabric |
US7356030B2 (en) | 2000-11-17 | 2008-04-08 | Foundry Networks, Inc. | Network switch cross point |
US6735218B2 (en) * | 2000-11-17 | 2004-05-11 | Foundry Networks, Inc. | Method and system for encoding wide striped cells |
US7236490B2 (en) | 2000-11-17 | 2007-06-26 | Foundry Networks, Inc. | Backplane interface adapter |
US6940851B2 (en) * | 2000-11-20 | 2005-09-06 | Polytechnic University | Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme |
USRE42600E1 (en) * | 2000-11-20 | 2011-08-09 | Polytechnic University | Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined arbitration scheme |
US7046661B2 (en) | 2000-11-20 | 2006-05-16 | Polytechnic University | Scheduling the dispatch of cells in non-empty virtual output queues of multistage switches using a pipelined hierarchical arbitration scheme |
US7006514B2 (en) | 2001-05-31 | 2006-02-28 | Polytechnic University | Pipelined maximal-sized matching cell dispatch scheduling |
SE0004303D0 (sv) | 2000-11-23 | 2000-11-23 | Net Insight Ab | Switching apparatus |
US7002980B1 (en) | 2000-12-19 | 2006-02-21 | Chiaro Networks, Ltd. | System and method for router queue and congestion management |
US7206283B2 (en) | 2001-05-15 | 2007-04-17 | Foundry Networks, Inc. | High-performance network switch |
US20020172221A1 (en) * | 2001-05-18 | 2002-11-21 | Telgen Corporation | Distributed communication device and architecture for balancing processing of real-time communication applications |
US20020174258A1 (en) * | 2001-05-18 | 2002-11-21 | Dale Michele Zampetti | System and method for providing non-blocking shared structures |
US7277429B2 (en) * | 2001-06-01 | 2007-10-02 | 4198638 Canada Inc. | Cell-based switch fabric with distributed scheduling |
US7197042B2 (en) * | 2001-06-01 | 2007-03-27 | 4198638 Canada Inc. | Cell-based switch fabric with cell-to-line-card control for regulating injection of packets |
US8051199B2 (en) * | 2001-06-08 | 2011-11-01 | The University Of Hong Kong | Self-routing address assignment in packet-switched networks |
US7103059B2 (en) * | 2001-06-15 | 2006-09-05 | Industrial Technology Research Institute | Scalable 2-stage interconnections |
US7609695B2 (en) * | 2001-06-15 | 2009-10-27 | Industrial Technology Research Institute | Optimizing switching element for minimal latency |
US7016305B1 (en) * | 2001-06-27 | 2006-03-21 | Cisco Technology, Inc | Method and apparatus for distributing information within a packet switching system |
US8145787B1 (en) | 2001-10-16 | 2012-03-27 | Cisco Technology, Inc. | Adaptive bandwidth utilization over fabric links |
US7464180B1 (en) | 2001-10-16 | 2008-12-09 | Cisco Technology, Inc. | Prioritization and preemption of data frames over a switching fabric |
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US7649885B1 (en) | 2002-05-06 | 2010-01-19 | Foundry Networks, Inc. | Network routing system for enhanced efficiency and monitoring capability |
US20120155466A1 (en) | 2002-05-06 | 2012-06-21 | Ian Edward Davis | Method and apparatus for efficiently processing data packets in a computer network |
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US7266117B1 (en) | 2002-05-06 | 2007-09-04 | Foundry Networks, Inc. | System architecture for very fast ethernet blade |
US7468975B1 (en) | 2002-05-06 | 2008-12-23 | Foundry Networks, Inc. | Flexible method for processing data packets in a network routing system for enhanced efficiency and monitoring capability |
FI20021287A0 (fi) * | 2002-06-28 | 2002-06-28 | Nokia Corp | Kuormituksen jako tietoliikennejärjestelmässä |
US20040008674A1 (en) * | 2002-07-08 | 2004-01-15 | Michel Dubois | Digital cross connect switch matrix mapping method and system |
US7397794B1 (en) | 2002-11-21 | 2008-07-08 | Juniper Networks, Inc. | Systems and methods for implementing virtual switch planes in a physical switch fabric |
US20040179527A1 (en) * | 2003-03-10 | 2004-09-16 | Cypher Robert E. | Stripping packet routing prefixes in a computer system network |
US6901072B1 (en) | 2003-05-15 | 2005-05-31 | Foundry Networks, Inc. | System and method for high speed packet transmission implementing dual transmit and receive pipelines |
DE10329056B4 (de) * | 2003-06-27 | 2007-04-12 | Infineon Technologies Ag | Verfahren und Vorrichtung zur Datenpaketvermittlung |
US20040264448A1 (en) * | 2003-06-30 | 2004-12-30 | Wise Jeffrey L | Cross-coupled bi-delta network |
US6922398B2 (en) * | 2003-09-12 | 2005-07-26 | Motorola, Inc. | Optimized switch card |
US20050111433A1 (en) * | 2003-11-25 | 2005-05-26 | Stewart Mark A.W. | Method of operating a Clos network |
US7817659B2 (en) | 2004-03-26 | 2010-10-19 | Foundry Networks, Llc | Method and apparatus for aggregating input data streams |
US8730961B1 (en) | 2004-04-26 | 2014-05-20 | Foundry Networks, Llc | System and method for optimizing router lookup |
US7657703B1 (en) | 2004-10-29 | 2010-02-02 | Foundry Networks, Inc. | Double density content addressable memory (CAM) lookup scheme |
US20070140232A1 (en) * | 2005-12-16 | 2007-06-21 | Carson Mark B | Self-steering Clos switch |
US8448162B2 (en) | 2005-12-28 | 2013-05-21 | Foundry Networks, Llc | Hitless software upgrades |
US7903654B2 (en) | 2006-08-22 | 2011-03-08 | Foundry Networks, Llc | System and method for ECMP load sharing |
US8238255B2 (en) | 2006-11-22 | 2012-08-07 | Foundry Networks, Llc | Recovering from failures without impact on data traffic in a shared bus architecture |
US20090279441A1 (en) | 2007-01-11 | 2009-11-12 | Foundry Networks, Inc. | Techniques for transmitting failure detection protocol packets |
US7983253B2 (en) * | 2007-04-20 | 2011-07-19 | Nuon, Inc. | Time-space carrier sense multiple access |
US8269523B2 (en) * | 2007-05-25 | 2012-09-18 | Konda Technologies Inc. | VLSI layouts of fully connected generalized networks |
US8271859B2 (en) * | 2007-07-18 | 2012-09-18 | Foundry Networks Llc | Segmented CRC design in high speed networks |
US8037399B2 (en) | 2007-07-18 | 2011-10-11 | Foundry Networks, Llc | Techniques for segmented CRC design in high speed networks |
US8149839B1 (en) | 2007-09-26 | 2012-04-03 | Foundry Networks, Llc | Selection of trunk ports and paths using rotation |
US8190881B2 (en) | 2007-10-15 | 2012-05-29 | Foundry Networks Llc | Scalable distributed web-based authentication |
US8090901B2 (en) | 2009-05-14 | 2012-01-03 | Brocade Communications Systems, Inc. | TCAM management approach that minimize movements |
US8599850B2 (en) | 2009-09-21 | 2013-12-03 | Brocade Communications Systems, Inc. | Provisioning single or multistage networks using ethernet service instances (ESIs) |
US8677209B2 (en) * | 2009-11-19 | 2014-03-18 | Lsi Corporation | Subwords coding using different encoding/decoding matrices |
US8621289B2 (en) | 2010-07-14 | 2013-12-31 | Lsi Corporation | Local and global interleaving/de-interleaving on values in an information word |
EP2617167A1 (en) * | 2010-09-14 | 2013-07-24 | Hewlett-Packard Development Company, L.P. | Computer system fabric switch |
US8402324B2 (en) | 2010-09-27 | 2013-03-19 | Lsi Corporation | Communications system employing local and global interleaving/de-interleaving |
US8976876B2 (en) | 2010-10-25 | 2015-03-10 | Lsi Corporation | Communications system supporting multiple sector sizes |
US8588223B2 (en) * | 2010-11-09 | 2013-11-19 | Lsi Corporation | Multi-stage interconnection networks having smaller memory requirements |
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US8705544B2 (en) | 2011-03-07 | 2014-04-22 | Broadcom Corporation | Method and apparatus for routing in a single tier switched network |
CN109412962B (zh) * | 2018-10-25 | 2024-04-23 | 天津光电通信技术有限公司 | 一种可重配置选路交叉网络及其实现方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE381548B (sv) * | 1974-12-20 | 1975-12-08 | Ellemtel Utvecklings Ab | Anordning for omstyrning av veljarnet |
GB2130049B (en) * | 1982-10-21 | 1986-01-29 | Plessey Co Plc | Method of growth of a digital switchblock |
US4661947A (en) * | 1984-09-26 | 1987-04-28 | American Telephone And Telegraph Company At&T Bell Laboratories | Self-routing packet switching network with intrastage packet communication |
US4651318A (en) * | 1984-11-30 | 1987-03-17 | At&T Bell Laboratories | Self-routing packets with stage address identifying fields |
US4701906A (en) * | 1985-06-27 | 1987-10-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Packet switching network with multiple packet destinations |
US4760570A (en) * | 1986-08-06 | 1988-07-26 | American Telephone & Telegraph Company, At&T Bell Laboratories | N-by-N "knockout" switch for a high-performance packet switching system |
BE905982A (fr) * | 1986-12-19 | 1987-06-19 | Electronique Et Telecomm Bell | Reseau de commutation de paquets. |
US4833468A (en) * | 1987-10-14 | 1989-05-23 | Unisys Corporation | Layered network |
JP2659421B2 (ja) * | 1988-02-17 | 1997-09-30 | 日本電信電話株式会社 | 自己ルーチング通話路 |
US4955016A (en) * | 1989-08-29 | 1990-09-04 | At&T Bell Laboratories | Interconnect fabric providing connectivity between an input and arbitrary output(s) of a group of outlets |
JP2738762B2 (ja) * | 1990-01-24 | 1998-04-08 | 株式会社日立製作所 | 高速パケット交換機 |
US5172371A (en) * | 1990-08-09 | 1992-12-15 | At&T Bell Laboratories | Growable switch |
ATE115802T1 (de) * | 1991-07-22 | 1994-12-15 | Alcatel Nv | Telekommunikationssystem zur übertragung von nachrichtenzellen durch vermittlungsknoten, die über gruppen übertragungsleitungen miteinander verbunden sind. |
US5276425A (en) * | 1991-11-19 | 1994-01-04 | At&T Bell Laboratories | Method for broadcasting in Clos switching networks by limiting the number of point-to-multipoint connections |
US5369400A (en) * | 1992-05-14 | 1994-11-29 | Alcatel Network Systems, Inc. | Method and system for hitlessly rearranging connections in a cross-connect communications network |
GB9317897D0 (en) * | 1993-08-27 | 1993-10-13 | Plessey Telecomm | Telecommunications switching element |
FR2732534B1 (fr) * | 1995-03-27 | 1997-06-06 | Met | Commutateur atm utilisant une commutation synchrone par groupes de lignes |
US5841775A (en) * | 1996-07-16 | 1998-11-24 | Huang; Alan | Scalable switching network |
US5945922A (en) * | 1996-09-06 | 1999-08-31 | Lucent Technologies Inc. | Widesense nonblocking switching networks |
US5864552A (en) * | 1996-09-11 | 1999-01-26 | Lucent Technologies, Inc. | Rearrangeable non-blocking switching network |
-
1997
- 1997-04-04 FI FI971432A patent/FI103312B/fi not_active IP Right Cessation
- 1997-11-04 AU AU48700/97A patent/AU728583B2/en not_active Ceased
- 1997-11-04 CA CA002270977A patent/CA2270977A1/en not_active Abandoned
- 1997-11-04 DE DE69730858T patent/DE69730858D1/de not_active Expired - Lifetime
- 1997-11-04 NZ NZ335942A patent/NZ335942A/xx unknown
- 1997-11-04 WO PCT/FI1997/000670 patent/WO1998020700A1/en active IP Right Grant
- 1997-11-04 BR BR9712909A patent/BR9712909A/pt unknown
- 1997-11-04 EP EP97911263A patent/EP0941627B1/en not_active Expired - Lifetime
-
1999
- 1999-05-04 US US09/310,683 patent/US6157643A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU728583B2 (en) | 2001-01-11 |
US6157643A (en) | 2000-12-05 |
FI103312B1 (fi) | 1999-05-31 |
NZ335942A (en) | 2001-01-26 |
FI971432A0 (fi) | 1997-04-04 |
FI103312B (fi) | 1999-05-31 |
AU4870097A (en) | 1998-05-29 |
WO1998020700A1 (en) | 1998-05-14 |
DE69730858D1 (de) | 2004-10-28 |
EP0941627B1 (en) | 2004-09-22 |
EP0941627A1 (en) | 1999-09-15 |
CA2270977A1 (en) | 1998-05-14 |
FI971432A (fi) | 1998-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] | ||
B15K | Others concerning applications: alteration of classification |
Ipc: H04L 12/54 (2013.01), H04L 12/933 (2013.0 |