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Method for automatic regulating virtual cascade group bandwidth

An automatic adjustment, virtual level technology, applied in the direction of digital transmission system, monitoring/monitoring/test arrangement, data exchange network, etc., can solve problems such as business interruption of cascading groups, so as to improve competitiveness and reduce the possibility of business interruption , the effect of reducing operational risk

Inactive Publication Date: 2009-03-25
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But for the virtual cascading group, if any VC in the virtual cascading group has an alarm or a large error occurs, the service of the entire cascading group will be interrupted

Method used

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  • Method for automatic regulating virtual cascade group bandwidth
  • Method for automatic regulating virtual cascade group bandwidth
  • Method for automatic regulating virtual cascade group bandwidth

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Experimental program
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Embodiment Construction

[0018] Such as figure 1 , the virtual cascading bandwidth adjustment method of the present invention is divided into two parts: one is the initialization configuration of the virtual cascading group; the other is in normal operation, automatically adjusts the number of VCs in the virtual cascading group according to each VC state, and performs cyclic processing .

[0019] figure 2 The initial configuration method of the virtual concatenation group is shown. First clear the shutdown flags of all VCs in the virtual cascading group, and then check one by one whether the VCs in the virtual cascading group are configured with time slots, and if so, add them to the virtual cascading group until all VCs are detected.

[0020] image 3 It is the bandwidth automatic adjustment diagram of the virtual cascading group.

[0021] In normal operation, the configuration mode changes as follows:

[0022] A. Determine whether the current VC is configured with a slot, if there is a slot, g...

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Abstract

In the method, initialization configuration is carried on for virtual cascade set first and then virtual reservoir number in the virtual cascade set is automatically adjusted according to each virtual reservior state. The method is used to reduce service interruption posibility greatly.

Description

technical field [0001] This patent relates to a method for processing services in a virtual concatenation group of Synchronous Digital Hierarchy (SDH: Synchronous Digital Hierarchy) optical transmission equipment. Background technique [0002] In recent years, SDH-based Multi-Service Transport Platform (MSTP: Multi-Service Transport Platform) technology has been widely used in the metropolitan area network. The core idea of ​​this technology is to organically combine the basic functions of SDH with the bearer and layer-2 processing of Ethernet services. How to effectively combine the data service with the virtual container (VC: Virtual Container) of SDH, one of the most important points is to adopt VC virtual cascading. However, for a virtual cascading group, if any VC in the virtual cascading group has an alarm or a large bit error occurs, the service of the entire cascading group will be interrupted. The present invention proposes a solution to the characteristics of vir...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/26H04M3/22H04Q3/00
Inventor 邓兵
Owner ZTE CORP