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Switching network communicating system, method and master control board

A technology of a communication system and a main control board, applied in the field of communication, can solve problems such as high cost and increased cost

Active Publication Date: 2008-08-27
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this communication system, since each distributed line card board needs to have a forwarding engine for the above-mentioned distributed forwarding, the cost is relatively high. When the forwarding rate is high, the requirements for the forwarding engine will also be high. , leading to an increase in cost

Method used

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  • Switching network communicating system, method and master control board
  • Switching network communicating system, method and master control board
  • Switching network communicating system, method and master control board

Examples

Experimental program
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Embodiment 1

[0106] figure 2 It is a schematic structural diagram of an exemplary switching network communication system in Embodiment 1 of the present invention. Such as figure 2As shown, the system includes: main control board, distributed line card board, centralized line card board and switching unit. Wherein, the switching unit includes a distributed switching unit when the main control board communicates with the distributed line card board. The distributed switching unit in this embodiment includes a data plane switching unit and a control plane switching unit that are separated from each other, and the main control board and the Centralized switching unit when the centralized line card board communicates.

[0107] Further, the distributed line card board and the centralized line card board can also perform data forwarding through the main control board and the switching unit.

[0108] In the prior art, the switching network carrying the distributed data plane is usually implem...

Embodiment 2

[0177] Considering that in the prior art, it is usually based on ATM switching chips or Ethernet switching chips or other dedicated ASIC chips to realize the bearer of the distributed data plane switching network, and because ATM-based switching network equipment is usually very expensive, based on Ethernet switching chips In the case of large traffic, congestion usually occurs, and cannot support quality of service (QoS, Quality of Service), flow control, etc. Queue management and other methods optimize the switching network based on the Ethernet chip, but its complexity and cost are very high. Switching network equipment based on dedicated ASIC chips has relatively high costs due to non-uniform standards. It can be seen that the existing switching network equipment is either costly and complicated to implement, or cannot meet complex service requirements.

[0178] Therefore, in order to further reduce the high cost of implementing switching networks using ATM switching chip...

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Abstract

The invention discloses a switching network communication system, a switching network communication method and a main control panel. The system includes a main control panel, a distributed line card, a centralized line card and a switching unit; wherein the switching unit includes a distributed switching unit and a centralized switching unit; the main control panel is communicated with the distributed line card through the distributed switching unit and also communicated with the centralized line card through the centralized switching unit; the distributed line card and the centralized line card realizes data forwarding through the main control panel and the switching unit. The technical proposal disclosed by the invention can help reduce the cost of the switching network communication system.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a switching network communication system, method and main control board. Background technique [0002] With the development of the Internet and the gradual increase in traffic, the performance requirements for network devices (such as routers, gateways, etc.) are getting higher and higher, and the services that network devices need to handle are becoming more and more complex. The switching network generally adopts the method of separating the data plane and the control plane, and the communication equipment adopts distributed forwarding. Such as figure 1 A step-by-step switching network communication system in the prior art shown includes: a main control board, a line card board (interface board, service board, etc.) and a switching unit. Wherein, the switching unit includes a data plane switching unit and a control plane switching unit that are separated from each other...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/931
Inventor 杨武
Owner NEW H3C TECH CO LTD
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