[특허]Computer network switching system with expandable number of ports

Computer network switching system with expandable number of ports 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04J-003/26
출원번호	US-0330074 (1994-10-26)
발명자 / 주소	Lenney Mark A. (Santa Clara CA) Chin Hon W. (Palo Alto CA)
출원인 / 주소	Cisco Systems, Inc. (San Jose CA 02)
인용정보	피인용 횟수 : 251 인용 특허 : 0

초록 ▼

A switching fabric circuit that provides on-the-fly switching of packets, an expandable number of ports, and the interconnection of heterogeneous LAN segments. The switching fabric circuit includes a switching link that comprises a switching bus and a plurality of packet processors, wherein each packet processor is coupled between the switching bus and a LAN segment. The switching bus is a time division multiple access (TDMA) bus, and arbitration for switching bus access is distinct from arbitration for access to the ports of the switching fabric circuit. Switching bus arbitration is done according to one of two priority levels, wherein high priority requests are guaranteed access to the switching bus during a synchronization period in which the high priority requests are made. This provides for guaranteed throughput and on-the-fly switching of packets. Port arbitration may be either uniport port arbitration or multiport port arbitration. Port arbitration is characterized by the transmission of a POE mask by a source port to a destination port and by the subsequent transmission of a DPA signal by the destination port to the source port.

대표청구항 ▼

A method for forwarding a multiple destination packet in a switching link of a switching fabric circuit, comprising the steps of: monitoring a bus of the switching link by a plurality of packet processors coupled to the bus; selecting a first packet processor to transmit the multiple destination packet; indicating via the bus that the first packet processor is selected to transmit the multiple destination packet during a synchronization period; indicating by the first packet processor that the first packet processor has the multiple destination packet to transfer during the synchronization period; transmitting a port of exit mask on the bus by the first packet processor, the port of exit mask indicating which of the plurality of packet processors are destination packet processors for the multiple destination packet; indicating by the destination packet processor that the destination packet processors are ready to receive the multiple destination packet; and transmitting the multiple destination packet via the bus by the first packet processor during the synchronization period.

이 특허를 인용한 특허 (251)

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Chin Hon Wah ; Fine Michael ; Finn Norman W. ; Hausman Richard J., Port aggregation protocol.
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McIntyre Michael S. ; Miller Thomas R. ; McCarthy Daniel B. ; Khan Ahsan, Port-centric graphic representations of network controllers.
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Fredenburg, William; Key, Kenneth Michael; Wright, Michael L.; Marshall, John William, Processor isolation method for integrated multi-processor systems.
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Fredenburg,William; Key,Kenneth Michael; Wright,Michael L.; Marshall,John William, Processor isolation technique for integrated multi-processor systems.
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Kerr, Darren; Key, Kenneth Michael; Wright, Michael L.; Jennings, William E., Programmable processing engine for efficiently processing transient data.
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Goodnow Kenneth Joseph ; Michail Michel Salib ; Pricer Wilbur David ; Ventrone Sebastian Theodore, Radio frequency bus for broadband microprocessor communications.
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Hann William Patrick ; Botkin Craig D., Receive and transmit blocks for asynchronous transfer mode (ATM) cell delineation.
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Hann,William Patrick; Botkin,Craig D., Receive and transmit blocks for asynchronous transfer mode (ATM) cell delineation.
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Cohn, Jonathan Daniel, Reflected interrupt for hardware-based encryption.
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Nederveen, Paul Johan; King, Robert Leroy, Remote monitoring of switch network.
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Cohen, Earl, Route/service processor scalability via flow-based distribution of traffic.
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Rekhter,Yakov; Rosen,Eric C., Router for virtual private network employing tag switching.
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Hughes John H., Routing table lookup implemented using M-trie having nodes duplicated in multiple memory banks.
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Kagami,Akira; Yamamoto,Masayuki, SAN infrastructure on demand service system.
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McCloghrie, Keith; Robert, Stephan; Walrand, Jean; Bierman, Andrew, Sampling packets for network monitoring.
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Rogers Steven, Scalable high speed packet switch using packet diversion through dedicated channels.
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Stone, Geoffrey C., Self-configuring communication network.
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Rosen,Eric C.; Rekhter,Yakov, Shared communications network employing virtual-private-network identifiers.
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Yakov Rekhter ; Eric C. Rosen, Shared communications network employing virtual-private-network identifiers.
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Andreas V. Bechtolsheim ; David R. Cheriton, Single-chip architecture for shared-memory router.
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Bion Joel P., Snapshot routing.
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Bion Joel P., Snapshot routing with route aging.
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Slater, Charles, Switched Ethernet path detection.
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Locklear ; Jr. Robert H. ; Cantrell Craig S. ; McClanahan Kip R. ; Brewer William K. ; Carew Anthony J. P., Switched architecture access server.
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Key Kenneth Michael ; Wright Michael L. ; Kerr Darren ; Jennings William E., Synchronization and control system for an arrayed processing engine.
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Key Kenneth Michael ; Wright Michael L. ; Kerr Darren ; Jennings William E., Synchronization and control system for an arrayed processing engine.
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Laor,Michael; Epps,Garry P., Synchronous pipelined switch using serial transmission.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmond Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmond Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmond Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmond Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmond Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmond Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmond Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmund Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmund Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmund Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmund Colby; Williamson, Michael, System and method employing an agile network protocol for secure communications using secure domain names.
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Regis, Robert T., System and method for arbitration of a plurality of processing modules.
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Robert T. Regis, System and method for arbitration of a plurality of processing modules.
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Jeter, Jr.,Robert E.; Potter, Jr.,Kenneth H., System and method for dynamic mirror-bank addressing.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmund Colby; Williamson, Michael, System and method for establishing a communication link.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmund Colby; Williamson, Michael, System and method for establishing an encrypted communication link based on IP address lookup requests.
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Bulusu, Shekher; Sane, Sanjay; Rai, Smita; Ramachandran, Gayatri; Desai, Ronak, System and method for managing network traffic disruption.
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Bulusu, Shekher; Sane, Sanjay; Desai, Ronak, System and method for managing topology changes in a network environment.
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Balasubramanian, Hariharan; Rai, Smita; Sane, Sanjay, System and method for probing multiple paths in a network environment.
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Bulusu, Shekher, System and method for providing a loop free topology in a network environment.
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Bulusu, Shekher, System and method for providing a loop free topology in a network environment.
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Mishra, Chandan; Watve, Rohit S., System and method for providing proactive fault monitoring in a network environment.
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Huang, Wei-Jen; Huang, Chih-Tsung, System and method for tracking packets in a network environment.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmund Colby; Williamson, Michael, System and method for using a registered name to connect network devices with a link that uses encryption.
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Hann, William Patrick; Brewer, William Keith; Irvin, Matthew; House, Richard L., System and method of operation for managing data communication between physical layer devices and ATM layer devices.
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Hann,William Patrick; Brewer,William Keith; Irvin,Matthew; House,Richard L., System and method of operation for managing data communication between physical layer devices and ATM layer devices.
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Wright Michael L. ; Key Kenneth Michael ; Kerr Darren ; Jennings William E., System for context switching between processing elements in a pipeline of processing elements.
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Gephardt Douglas D. ; Stewart Brett B. ; Wisor Rita M. ; Belt Steven L. ; Dutton Drew J., System for dynamically reconfiguring subbusses of data bus according to system needs based on monitoring each of the inf.
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Fowler Gregory Alan, System for routing packets by separating packets in to broadcast packets and non-broadcast packets and allocating a sele.
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Ozluturk,Fatih M.; Lomp,Gary R., System for using rapid acquisition spreading codes for spread-spectrum communications.
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De Nicolo Maurilio Tazio ; Ong Stephen S., System interprocessor communication using media independent interface-based channel.
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Borland, David J.; Godfrey, Gary M., System-on-a-chip with variable bandwidth.
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Borland, David J.; Godfrey, Gary M., System-on-a-chip with variable clock rate.
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Larson, Victor; Short, III, Robert Dunham; Munger, Edmund Colby; Williamson, Michael, Systems and methods for connecting network devices over communication network.
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Engel, Yehiel; Ganor, Avraham; Horowitz, Tal; Schnarch, Michael Chaim; Shachar, Yaron; Weiser, Uri Chanan, Systems and methods for efficient handling of data traffic and processing within a processing device.
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Engel, Yehiel; Ganor, Avraham; Horowitz, Tal; Schnarch, Michael Chaim; Shachar, Yaron; Weiser, Uri Chanan, Systems and methods for efficient handling of data traffic and processing within a processing device.
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Engel, Yehiel; Ganor, Avraham; Horowitz, Tal; Schnarch, Michael Chaim; Shachar, Yaron; Weiser, Uri Chanan, Systems and methods for efficient handling of data traffic and processing within a processing device.
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Leung Patrick Pak-Chiu ; Lyu Meng-Hsiung ; Chen Anson, Technique for accessing heterogeneous directory services in an APPN environment.
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Tam Ulrica ; Berl Steven H., Technique for capturing information needed to implement transmission priority routing among heterogeneous nodes of a computer network.
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Berl Steven H. ; Patel Kushal A., Technique for maintaining prioritization of data transferred among heterogeneous nodes of a computer network.
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Jeter, Robert; Gamer, Trevor; Lee, William; Smith, Scott; Goss, Gegory, Techniques for hardware-assisted multi-threaded processing.
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Jeter, Robert; Marshall, John; Lee, William; Garner, Trevor, Techniques for reducing thread overhead for systems with multiple multi-threaded processors.
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Oran David R. ; FitzGerald Cary W. ; Knappe Michael E., Telephony-enabled network processing device with separate TDM bus and host system backplane bus.
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Jeffery Burl Scott ; Kenneth Michael Key ; Michael L. Wright ; Scott Nellenbach, Testing of replicated components of electronic device.
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Kerr, Darren; Marshall, John William, Tightly coupled software protocol decode with hardware data encryption.
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Lomp, Gary; Ozluturk, Fatih; Silverberg, Avi, Transferring voice and non-voice data.
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Wing, Daniel G.; Biskner, Robert J.; Kumar, Rajesh; Mostafa, Mohamed S., Triggering flow analysis at intermediary devices.
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Hann, William P., UTOPIA 2—UTOPIA 3 translator.
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Tappan Daniel C., Use of a single data structure for label forwarding and imposition.
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Harvey Andrew, Virtual interfaces with dynamic binding.
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Harvey Andrew, Virtual interfaces with dynamic binding.
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Rekhter, Yakov; Rosen, Eric C., Virtual private network employing tag-implemented egress-channel selection.
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Tappan Daniel C., propagation during label imposition.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Computer network switching system with expandable number of ports 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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연합인증

Computer network switching system with expandable number of ports 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허를 인용한 특허 (251)

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