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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
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| 출원번호 | US-0058157 (1993-05-05) |
| 발명자 / 주소 |
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| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 268 인용 특허 : 0 |
An apparatus and method of communicating between devices coupled to two networks. The first network comprises a terminal, containing an Ethernet interface, communication medium and an Ethernet interface contained in a concentrator. The second network comprises an Asynchronous Transfer Mode (ATM) int
An apparatus and method of communicating between devices coupled to two networks. The first network comprises a terminal, containing an Ethernet interface, communication medium and an Ethernet interface contained in a concentrator. The second network comprises an Asynchronous Transfer Mode (ATM) interface contained in a switch, a communication medium and other components of an ATM network. Terminals transmit packets to other devices by: transmitting a packet to the concentrator, the concentrator segments the packet\s information into ATM cells, and transmits the cells over the ATM network. The Terminals receive packets from other devices by: the ATM network transmitting cells to a concentrator, the cells being reassembled into Ethernet packets, then the packets being transmitted to the appropriate terminal.
A network comprising: (a) an ATM network for switching ATM cells between ATM switches and devices coupled with said ATM switches; (b) non-ATM communication media for allowing communication of non-ATM messages on said non-ATM communication media; and (c) a concentrator coupled between said ATM networ
A network comprising: (a) an ATM network for switching ATM cells between ATM switches and devices coupled with said ATM switches; (b) non-ATM communication media for allowing communication of non-ATM messages on said non-ATM communication media; and (c) a concentrator coupled between said ATM network and said non-ATM communication media for allowing disassembly of non-ATM messages received on said non-ATM communication media and for allowing data from said disassembled non-ATM messages to be transmitted on said ATM network, said concentrator further comprises: (i) a segmentation circuit coupled to said non-ATM communication media for segmenting each of said non-ATM messages into at least one ATM cell for transmission on said network; and (ii) a reassembly circuit coupled to receive ATM cells from said ATM network and to reassemble non-ATM messages from said received ATM cells, said reassembly circuit having a reassembly RAM for storing data for reassembly into non-ATM messages and control circuitry for controlling addressing of said reassembly RAM based, at least in part, on VCI address information provided in said received ATM cells, wherein said control circuitry comprises: (a) a page RAM for providing page addressing information for addressing a page of said reassembly RAM, said page RAM addressed by said VCI address information; (b) a tag RAM for providing block addressing information for addressing blocks in said reassembly RAM, said tag RAM addressed by said page addressing information; and (c) a counter for addressing individual storage locations within said reassembly RAM, said counter being updated as information is written to said reassembly RAM.
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