ATM data transmission system and data transmission method

A technology of data transmission system and data transmission method, which is applied in the direction of data exchange through path configuration, time division multiplexing selection device, ring network, etc., which can solve the problems of lack of intelligence, poor performance, and failure to adopt unified management and allocation of resources, etc. problems, to achieve cost savings, effective management, access capabilities and resource occupation

Inactive Publication Date: 2007-03-07
MAIPU COMM TECH CO LTD
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  • Abstract
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Problems solved by technology

[0006] 1) Since the bandwidth resources on this ring are limited, the nodes on the ring share the ring in the manner of statistical multiplexing, and the resource occupation of the bandwidth is competitive; no corresponding mechanism is adopted to ensure that the resources are reasonable Unified management and allocation; the communication traffic between such peer nodes cannot be effectively allocated, and it is not suitable for the situation where the ring is used for ATM access
[0007] 2) Since it is a closed-loop structure, each node extracts the data of its

Method used

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  • ATM data transmission system and data transmission method

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Embodiment Construction

[0021] The technical solution of the present invention will be described in detail below in conjunction with the drawings and the embodiments.

[0022] An ATM data transmission system includes a ring network composed of N ATM nodes with two-way data transmission channels, and is characterized in that one of the N ATM nodes has an ATM uplink node; the ATM uplink node is connected to an ATM core device , Used for the data transmission between the ring network and ATM core equipment and the operation management of the ring network; the ATM uplink node is the end point of the entire ring network data;

[0023] Further, each ring between the ATM node and the ATM uplink node has a dedicated channel for transmitting network management information;

[0024] Furthermore, the registration information of the ATM node is stored in the ATM uplink node.

[0025] The ATM data transmission method of the present invention includes the following steps:

[0026] a. Use two rings with opposite data t...

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Abstract

This invention relates to data transmission network and to one ATM network structure and its data transmission method. This invention provides one ATM ring network, which divides ATM ring network points into upper and down types and when upper points are connected to core device as management points in charge for maintenance topological and dispatching materials as ring data terminal points connected to other device.

Description

Technical field [0001] The invention relates to a data transmission network, in particular to an ATM (Asynchronous Transfer Mode) network structure of a ring structure and a data transmission method thereof. Background technique [0002] US Patent US6442134B1 "ATM Network with Ring Architecture" (Publication Date: August 27, 2002) describes such a ring network architecture: multiple nodes are connected to form a ring, and on each node, a For the reverse packet ring. Each node extracts the data belonging to the node from the ring, and the data that does not belong to the node is directly forwarded, and the data to be sent accessed through the node is added to the ring. Each node can send data to and receive data from both rings. [0003] When each node broadcasts to the two rings to send data accessed through the node, when the status of the two rings is normal, the node on the ring selects one of the rings to receive the data; if there is an error in one of the rings, then Select...

Claims

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Application Information

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IPC IPC(8): H04L12/43H04Q11/04
Inventor 程常清
Owner MAIPU COMM TECH CO LTD
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