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Method for dynamically establishing the point-to-point protocol channel in the different-mode link layer access

A technology of dynamic establishment, point-to-point communication, applied in the direction of data exchange, electrical components, transmission system, etc. through path configuration, can solve the problems of incorrect processing, excessive physical link influence, complex processing, etc., to ensure the efficiency of use. Effect

Inactive Publication Date: 2009-07-08
高凤宇
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The deficiency of the method for analyzing the detailed information of the PPP protocol message is: to analyze all the PPP user link building messages, the processing is complicated, and the equipment is easily overloaded
[0008] The disadvantage of the method of detecting the actual online status of the user is: by detecting the actual online status of the user, when the user is found to be offline, the link will be dismantled. The impact of the physical link is too large, which may lead to dismantling by mistake
If the access device cannot correctly determine the establishment status of the PPPOE connection and the PPP connection, the processing related to the user and the upper layer PPP processing device will have an incorrect impact

Method used

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  • Method for dynamically establishing the point-to-point protocol channel in the different-mode link layer access
  • Method for dynamically establishing the point-to-point protocol channel in the different-mode link layer access
  • Method for dynamically establishing the point-to-point protocol channel in the different-mode link layer access

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Embodiment Construction

[0031] The specific implementation of the present invention will be described below in conjunction with the accompanying drawings.

[0032] Step 1: After the access device receives the PPP LCP config request (link control protocol configuration request) message from the user, it simulates the user to initiate the PPPOE Discovery process. When the PADS (PPPOE session confirmation) message sent by the upper layer PPPOE processing module is successfully received, it is considered that the PPPOE connection has been established. Save the session ID.

[0033] Step 2: When the PPPOE connection state is established, the user's uplink PPPOA message is encapsulated and modified to form a PPPOE-encapsulated Ethernet data frame. Downstream processing is the opposite. The establishment of a PPPOE connection does not mean the establishment of a PPP connection. On the basis of the establishment of the PPPOE connection, PPP can confirm the establishment of the connection through further in...

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Abstract

A method for establishing the point-to-point protocol channel dynamically in the heterogeneous link layer path is used to establish the point-to-point protocol channel normally when the ATM link layer is converted to the Ethernet link layer, which includes: firstly, according to the request of the user, the Ethernet switching device converts the PPPoA access mode used by the user to the PPPoE access mode and encapsulates the corresponding PPPoA message into the PPPoE data frame; after the PPP connection is established, the upper layer point-to-point communication protocol entity and the user point-to-point communication protocol entity send the response requests and the corresponding response answer message to each other; the response answer message timer is setup, and the PPPoE connection is terminated when none response answer message is detected during the set waiting time. In the communication system access network field, by using the present invention, the PPPoA access mode used by the user to the PPPoE access mode in the Ethernet switching device with the purpose of establishing, maintaining and canceling the PPP channel dynamically.

Description

technical field [0001] The invention relates to a method for dynamically establishing a point-to-point protocol channel, in particular to a method for dynamically establishing a point-to-point protocol channel in a heterogeneous link layer path. Background technique [0002] The PPP protocol (Point-to-Point Protocol), that is, the point-to-point protocol, is designed to establish a reliable point-to-point data transmission method. It can encapsulate data packets of various protocol types, including link layer control protocols, to establish , Configure and test data link links, network layer control protocols, used to establish and configure different network layer protocols. The PPP protocol is currently the most commonly used way to connect a user computer to a network switching device, thereby accessing the Internet. [0003] In the access network using ATM (Asynchronous Transfer Mode, asynchronous transfer mode) technology, users use PPPOA (PPP Over ATM, asynchronous tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
CPCH04L12/2859H04L69/324
Inventor 张小鸥沈宇扬颜晓庆
Owner 高凤宇
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