Route setting method based on node address changing

A technology of node address and establishment method, which is applied in multiplexing system selection devices, electrical components, transmission systems, etc., and can solve problems such as service signal damage

Inactive Publication Date: 2006-08-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0014] However, from the above path establishment process based on node address replacement, it can be seen that the node on the original address chain transmission path changes the address ID. When rebuilding the new address chain transmission path, the service signal needs to be switched from the original address chain transmission path to the new transmission link. , after the replacement of the node address ID in the original address chain transmission path is completed, switch the service signal on the new transmission path back to the update address chain transmission path, which will inevitably lead to a large number of service signals in the two switching processes. degree of damage

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  • Route setting method based on node address changing
  • Route setting method based on node address changing
  • Route setting method based on node address changing

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Embodiment Construction

[0041] The specific implementation manners of the present invention will be described below in conjunction with the accompanying drawings.

[0042] Such as figure 2 As shown, this figure is the main implementation process flowchart of the present invention, as seen from the figure, the main implementation process of the present invention is as follows:

[0043] Step S1, replace the current active address ID for the node in ASON, where the way to set the current address ID for node replacement as the active address ID can be:

[0044] First, change the address of the node that needs to change the address;

[0045] Then add a label (Label) to the replaced address to identify the address as the current active address, so as to achieve the purpose of setting the address ID of the node replacement as the current active address ID by identifying the label attached to the address.

[0046] Step S2, for the node whose address was changed in step S1, find the transmission path of th...

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Abstract

The method includes following steps: (1) replacing current activation address of node; (2) setting up transmission path of new address chain temporarily; (3) first ID and second ID are attached to the transmission path of new address chain; the first ID is in use for labeling that the transmission path of new address chain is a transmission path of replacement address; the second ID is in use for labeling transmission path of former address chain replaced by transmission path of new address chain; (4) if a node, where transmission path of new address chain passes on, determines that the first ID is attached to transmission path of address chain, which passes through the node, then the method looks up cross connection of corresponding former transmission path of address chain based on the attached second ID. The method accomplishes building new address chain by mapping the cross connection to transmission path of new address chain. The method prevents loss when carrying path switch.

Description

technical field [0001] The present invention relates to Automatically Switched Optical Network (ASON, Automatically Switched Optical Network) technology, in particular to a path establishment method based on node address replacement. technical background [0002] The optical network system for transmission mainly includes synchronous digital hierarchy (SDH, Synchronous Digital Hierarchy) / optical fiber synchronous network (Sonet, Synchronous Optical Network) and wavelength network. The traditional optical network is a network system based on centralized management. Nodes in the network use permanent connections for information exchange. The so-called permanent connection means that in the traditional optical network system, the business exchange relationship on all nodes is It is manually configured. Once this configuration is determined, it will generally not be modified in a large-scale optical network system. This kind of business exchange relationship between nodes is cal...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H04Q11/00H04L29/12
CPCH04L61/00H04L45/50H04L45/02H04L29/12009
Inventor李旺杨榆
OwnerHUAWEI TECH CO LTD