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Data communication method, system, master control card and cable fastener

A technology of data communication and main control card, applied in the field of data communication, can solve problems such as inapplicable distributed routers and no solutions given

Active Publication Date: 2008-01-23
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the existing data communication method based on the switching network method cannot be applied to the distributed router based on the non-switching network method, and the prior art does not provide a solution for this aspect

Method used

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  • Data communication method, system, master control card and cable fastener
  • Data communication method, system, master control card and cable fastener
  • Data communication method, system, master control card and cable fastener

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Embodiment Construction

[0060] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0061] Each line card on the distributed router may have data communication with the main control card or other line cards, and the communication is bidirectional. Figure 1 shows a schematic diagram of the inter-board data communication of the distributed router. As shown in Figure 1, the inter-board data communication of the distributed router can be regarded as an end-to-end fully connected network. The main control card can be regarded as a terminal device. Each connection, that is, the connection between the main control card and each line card A-D, and the connection between the line cards A-D are all end-to-end unidirectional connections and are independent of each other.

[0062] The core idea of ​​the present invention is: when the line card is in place, report its own slot number and board type to the master control card, an...

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Abstract

The present invention discloses a method, a system and a main control card and line cards for data communication, which comprise that the main control card receives the communication attribute information sent from the on-position line card, and notices the on-position line card with the communication attribute information of all the on-position line cards; the on-position line card establishes a data channel connection with other on-position line cards according to the communication attribute information sent from the main control card, and operates the data communication with other n-position line cards through the data channel connection. The present invention realizes the data communication based on a non-switched network environment.

Description

technical field [0001] The invention relates to the technical field of data communication, in particular to a data communication method, system, main control card and line card. Background technique [0002] The distributed router includes multiple line cards and a main control card, and inter-board data communication can be performed between the line cards and between the line cards and the main control card. For distributed routers based on switching networks, when data communication is performed between the main control card and line cards, and between line cards, the sender only needs to send the data directly to the receiver without pre-establishing communication. connect. However, with the diversification of the network environment, distributed routers based on non-switching network methods have emerged, such as distributed routers based on the PCI-E (Peripheral Components Interconnect Express) protocol. When performing data communication between cards and line cards...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/02H04L45/60
Inventor 刘玉印张耀张国良向邦柱余永飞易莉
Owner XINHUASAN INFORMATION TECH CO LTD
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