Method, device and system for processing loop circuit in access network

A processing method and access network technology, applied in the field of communication, can solve problems such as traffic storm network, business impact, interruption, etc.

Active Publication Date: 2013-08-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many types of access devices below the OLT. Since they are closer to the user side, if there is a wrong connection between these devices due to various reasons, the business will be affected or even interrupted.
If the wrong connection makes a ring between devices, which is commonly called a loop, the change of business flow direction will easily form a traffic storm and cause network congestion.

Method used

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  • Method, device and system for processing loop circuit in access network
  • Method, device and system for processing loop circuit in access network
  • Method, device and system for processing loop circuit in access network

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] An embodiment of the present invention provides a loop processing method in an access network. The access network includes multiple nodes, where the nodes may be OLT, ONU or ONT.

[0023] The node provided in this embodiment will be provided with a device level DevLayer and a device network domain identifier DevNetID, DevLayer is used to identify the level of the node in the topology, in this embodiment, the smallest DevLayer (such as 0) will be used as the r...

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Abstract

Provided are a method, device and system for processing loops in an access network. The access network includes a plurality of nodes, with each node corresponding to a device layer (DevLayer) and a device network domain identifier (DevNetID). The method includes the steps of: receiving a detection message from a first port, with the detection message carrying a network domain identifier (BaseNetID) and the DevNetID and DevLayer of the node that the detection message passes; acquiring the DevLayer of the nodes with the same DevNetID and BaseNetID from the detection message and selecting the maximum DevLayer as the reference DevLayer from the acquired DevLayers; comparing the size of the DevLayer of the present node with that of the reference DevLayer, and blocking or closing the first port when the DevLayer of the present node is greater than the reference DevLayer.

Description

technical field [0001] The present invention relates to the communication field, in particular to a loop processing method, device and system in an access network. Background technique [0002] In the access network, OLT (Optical Line Terminal, optical line terminal) is the transitional device at the junction of the access layer and the aggregation layer, above which is the core transmission network of the operator, which is composed of various switching devices and routing devices. Run STP (Spanning-Tree Protocol, Spanning Tree Protocol). The following are various user access networks, which can be divided into xDSL (Digital Subscriber Line, Digital Subscriber Line), FE (Fast Ethernet, Fast Ethernet) / GE (Gigabit Ethernet, Gigabit Ethernet) according to different types of access lines ), PON (Passive Optical Network, passive optical network) access, there are many devices and types, such as figure 1 shown. The upper-lower relationship between devices in the access network...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26
CPCH04L12/26H04L12/56H04L12/2856H04L12/2869
Inventor 谢亮
Owner HUAWEI TECH CO LTD
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