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A method of Ethernet transmission in a plurality of E1 channels

An Ethernet and channel technology, applied in transmission systems, digital transmission systems, ring networks, etc., can solve problems such as no application, achieve optimal use, timely and reliable loop self-healing ability, and reduce the number and complexity.

Inactive Publication Date: 2008-04-23
BEIJING HUAWEI DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, RPR technology is widely used in SDH transmission platform and bare fiber, but it has not been applied in E1

Method used

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  • A method of Ethernet transmission in a plurality of E1 channels
  • A method of Ethernet transmission in a plurality of E1 channels
  • A method of Ethernet transmission in a plurality of E1 channels

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Embodiment Construction

[0059] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0060] How to introduce the RPR technology to the E1 transmission platform is a very important method of the present invention. Here, implementing RPR on E1 is called RPR OVER E1. An object of the present invention is to provide a method to organize multiple E1 links to transmit Ethernet packets. This mapping method enables RPR OVER E1 to perform ring formation based on E1, and can be dynamically configured according to the actual bandwidth of the data service. Adjust the number of E1 links used to transmit Ethernet packets, so as to realize dynamic adjustment of data transmission link bandwidth.

[0061] First, the technology of inverse multiplexing utilizes multiple E1 resources to transmit data services with a bandwidth greater than that of E1. Inverse multiplexing is to adapt one high-speed data channel to multiple low-spe...

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Abstract

This invention relates to a method of the Ethernet transferring in several E1 channels, characterized in that it uses carrying platform to transfer Ethernet, wherein the carrying platform uses several E1 as the physics layer of the RPR; it applies MPLS agreement and RPR agreement to enclose the Ethernet message; for the group with RPR format, using backward multiply usage method to transfer in several E1, adjusting the belt width through increasing or decreasing the number of E1 channel; it also can build loop based on E1, making several technical index of MPLS and RPS transferring in E1 channel.

Description

technical field [0001] The invention relates to a method for Ethernet transmission in multiple E1 channels, in particular to a method for adapting one high-speed data to multiple E1 channels for transmission. Background technique [0002] There are roughly two methods for traditional E1 platforms to access data services. One is the exchange of E1 and Ethernet for the protocol converter. Usually, one Ethernet port corresponds to one E1 channel. This method simply encapsulates the Ethernet message into the E1 frame structure without any protocol encapsulation, and can only be transmitted point-to-point. It is a simple transparent transmission of Ethernet packets. [0003] The other is that one Ethernet port corresponds to multiple E1 channels. The multiplexing method can be byte interleaving, or interpacket interleaving, that is, the packet is used as a unit to transmit on multiple E1s in turn. The efficiency of the packet interleaving method is Not high, the above method do...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/42H04L29/06H04L12/46
Inventor 黄建林
Owner BEIJING HUAWEI DIGITAL TECH
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