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A data forwarding system and method

A forwarding system and forwarding method technology, applied in the field of network communication, can solve the problems of interrupted services, no forwarding engine backup, single forwarding engine cannot meet high bandwidth, high-density interfaces, etc., so as to solve faults and performance problems and improve reliability. Effect

Inactive Publication Date: 2011-04-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] To sum up, in the process of implementing the present invention, the inventor found that there are at least the following problems in the prior art: it is difficult for a single forwarding engine to meet the current high-bandwidth and high-density interfaces, and once the forwarding engine fails, all business, no backup between forwarding engines

Method used

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  • A data forwarding system and method
  • A data forwarding system and method
  • A data forwarding system and method

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Embodiment Construction

[0017] The embodiment of the present invention provides a system and method for data forwarding. The original data processing process using a single forwarding engine is placed in two or more forwarding engines for processing, wherein the forwarding engine can be selected by The interaction between the switching network and each forwarding engine is carried out. Through the implementation of this technical solution, it can effectively solve the problem that a single forwarding engine FE cannot support high-bandwidth access, and realize the load sharing and backup of FE, which not only improves the reliability of forwarding, but also solves the failure and performance of a single FE question.

[0018] In order to better describe the embodiment of the present invention, the forwarding system of the specific embodiment of the present invention is described as follows in conjunction with the accompanying drawings:

[0019] Such as figure 2 Shown is a schematic structural diagra...

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Abstract

The presented method for data transmission comprises: taking original single-engine transmission process into two or more transmission-engines, where the selection of engine is decided by exchange network and all engines interaction. This invention realizes loading share and standby, overcomes defects by single engine, improves system performance and reliability, and reduces hardware resource by uniform managing QoS by TM module.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a data forwarding system and method in network communication. Background technique [0002] At present, in the design of high-end routers, data forwarding is generally carried out by separating forwarding and control. The control plane CP (Control Plane) is responsible for processing various protocols, generating entries for forwarding, and sending them to the forwarding plane FP (Forward Plane), and then the forwarding plane FP completes the data forwarding. The forwarding plane FP here can use various Forwarding engine FE (Forward Engineer), such as NP, ASIC, CPU / multi-core CPU, etc. to achieve. Its general forwarding structure diagram is as follows figure 1 shown in figure 1 It includes control plane CP, forwarding plane FP, switching network and interface card PIC (Physical Interface Card), and the forwarding plane FP also includes forwarding engine FE, table lookup mo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56
CPCG06F13/382
Inventor 帅克
Owner HUAWEI TECH CO LTD
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