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Message forwarding method and device based on the media access control layer

A media access control and message forwarding technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve the problems of low forwarding efficiency, achieve the effect of improving forwarding efficiency and reducing data processing pressure

Active Publication Date: 2010-05-19
北京紫光通信科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The present invention provides a message forwarding method and device based on the media access control layer, which solves the problem of low forwarding efficiency caused by all data messages undergoing the same processing process in the prior art

Method used

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  • Message forwarding method and device based on the media access control layer
  • Message forwarding method and device based on the media access control layer
  • Message forwarding method and device based on the media access control layer

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Embodiment Construction

[0038] The design concept of the present invention is to set a MAC fast-forwarding table indexed by the source MAC address and the destination MAC address. The Layer 2 encapsulation header before the Layer 2 payload. After receiving the packet, the MAC ingress port directly uses the source MAC address and destination MAC address as indexes to search the MAC fast forwarding table to obtain the Layer 2 packet before the Layer 2 payload that is finally forwarded. Encapsulate the header information, and then replace the encapsulation of this message with the encapsulation form obtained by looking up the MAC fast forwarding table, and send it out from the outbound port maintained in the MAC fast forwarding table entry.

[0039] The present invention will be further introduced below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0040] A method for forwarding messages based on the MAC layer, comprising the ...

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Abstract

This invention discloses one message transfer method based on MAC, which comprises the following steps: a, establishing source MAC address and aim address as index rapid list of MAC; b, in arriving, analyzing the source address and aim one and finding the above list, if there is none, processing the message as aim address and recording the results into the list; if there is, directly transferringthe results to the message. This invention also discloses one transfer device of MAC message.

Description

technical field [0001] The present invention relates to digital communication technology, in particular to a message forwarding method and device based on a medium access control layer (Medium Access Control, MAC). Background technique [0002] With the continuous popularization of Local Area Network (Local Access Network, LAN), especially the continuous development of Virtual Local Area Network (Virtual Local Access Network, VLAN) and Wireless Local Area Network (Wireless Local Access Network, WLAN), the amount of data forwarded based on MAC messages is increasing. The larger the value is, the higher the efficiency of packet forwarding is required. In the prior art, MAC-based message forwarding usually adopts a standard bridge forwarding method. Taking VLAN as an example, after receiving a data message at a MAC ingress port, the forwarding process of the message is as follows: figure 1 shown, including the following steps: [0003] Step 101, analyzing the received message...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L45/74
Inventor 张志飞张海涛
Owner 北京紫光通信科技集团有限公司
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