Transmission method and device for high speed data flow and data exchange device

A technology of data exchange equipment and high-speed data flow, applied in the field of data communication, can solve the problems of high implementation difficulty and high implementation cost of forwarding chips, and achieve the effect of meeting high-speed forwarding requirements, reducing implementation difficulty, and reducing implementation costs.

Active Publication Date: 2007-04-11
HUAWEI TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0009] The purpose of the present invention is to provide a transmission method for high-speed data streams, aiming to solve the problems existing in the prior art th

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  • Transmission method and device for high speed data flow and data exchange device
  • Transmission method and device for high speed data flow and data exchange device
  • Transmission method and device for high speed data flow and data exchange device

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Embodiment Construction

[0083] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0084] In the present invention, the high-speed data stream is divided into N low-speed data streams, and each data packet is marked with a sequence number, and the data packets are sent through N low-speed forwarding channels, and then the data packets are reordered according to the sequence numbers of the data packets, Restore N low-speed data streams into one high-speed data stream.

[0085] Fig. 3 shows the implementation process of the high-speed data stream transmission provided by the present invention, which is described in detail as follows:

[0086] In step S301, after receiving the high...

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Abstract

This invention provides a transmission method, devices and data exchange device for high speed data flows, in which, the method includes: A, receiving a high speed data flow and adding sequence number for every packet according to the receiving order and distributing the packets and the sequence numbers to N parallel transfer channels, among which, N is greater or equal to 2, B, utilizing the channels to transmit said data packets and the numbers, C, receiving the data packets and the numbers and sequencing the packets to turn them into a high speed data flow and output, which realizes high speed single flow line speed transfer by distributing data packets and re-sequence.

Description

technical field [0001] The invention belongs to the field of data communication, and in particular relates to a high-speed data flow transmission method, device and data exchange equipment. Background technique [0002] A line card is a high-speed data switching device for data entry and exit, such as a port of a high-speed router or switch, which provides an interface from the physical layer and higher layers to the switching network. Taking a router as an example, FIG. 1 shows the structure of a typical distributed router, where multiple line cards 11 , routing controllers 13 , and management controllers 14 are all connected to each other through a switching fabric (Switching Fabric) 12 . As shown in FIG. 2 , the line card 11 is composed of an interface chip (Framer) 111 , a forwarding chip (Packet Forward Engine, PFE) 112 and a traffic manager (Traffic Management, TM) 113 . [0003] The interface chip 111 is responsible for processing the physical and link layers, such a...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/04H04L12/801
Inventor 杜文华吕超
Owner HUAWEI TECH CO LTD
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