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Method for obtaining minimum multiframe number in virtual cascade group during virtual cascade processing

A technology of virtual concatenation group and processing process, applied in the field of network communication, can solve problems such as errors and insufficient comparison method of multi-frame number, and achieve the effect of accurate delay alignment processing

Inactive Publication Date: 2009-02-25
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] In the above-mentioned existing methods for determining the minimum multiframe number, the same comparison method is used for different delay levels. For example, the difference between two multiframe numbers is constant. In the case of the time level, the sizes of the two multiframe numbers are fixed. At this time, a unique comparison result will be obtained. However, since the difference between the two multiframe numbers has different meanings in the case of different delay levels may be different, resulting in the existing multi-frame number comparison method not being rigorous enough, and sometimes errors may even occur

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  • Method for obtaining minimum multiframe number in virtual cascade group during virtual cascade processing
  • Method for obtaining minimum multiframe number in virtual cascade group during virtual cascade processing
  • Method for obtaining minimum multiframe number in virtual cascade group during virtual cascade processing

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Embodiment Construction

[0033] In the present invention, when calculating the minimum multiframe number of each physical channel, it is not simply determined by subtracting and comparing the multiframe numbers of the two channels to obtain the difference, but based on the difference and the current support of the system. Combined with the delay range to determine the current minimum multiframe number, if the difference exceeds the delay range, a delay exceeding alarm will be generated.

[0034] That is, the core of the present invention is to propose a method for determining the minimum multiframe number between channels in a virtual concatenation group based on the delay level supported by the system, so that the acquisition of the minimum multiframe number can be compared with the delay level supported by the current system Close combination ensures that the calculated minimum multiframe number is closer to reality, and makes the generation of delay exceeding alarms more accurate.

[0035] The spec...

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Abstract

This invention relates to a method for obtaining the minimum multi-frame number in a virtual cascade set, which compares and determines the multi-frame numbers based on the different values of two numbers and the time delay levels supported by the system and obtains the minimum multi-frame number. This invention also can determine if the related time delay between the two frames exceeds the delay sphere supported by the system, if so, it generates related delay alarm, not necessary to compare the multi-frame numbers.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for obtaining the minimum multiframe number in a virtual concatenation group during virtual concatenation processing. Background technique [0002] The VC (Virtual Concatenation, virtual concatenation) technology realizes the transmission of concatenation services in devices that do not support the concatenation service, and at the same time flexibly allocates bandwidth to users according to different service needs. The members constituting the payload of the virtual concatenation need not be consecutive. In the SDH (Synchronous Digital Hierarchy) network, the members of the virtual concatenation payload can pass through different network paths between nodes, and only the equipment at the network terminal is required to be able to handle the virtual concatenation. The intermediate node equipment None need to have the function of dealing with virtual concat...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/02H04J3/16
CPCH04J3/1611
Inventor 武丹陈利
Owner HUAWEI TECH CO LTD