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Acquisition method and system for optical network unit capability information

A technology of optical network unit and capability information, which is applied in the field of passive optical network, and can solve problems affecting OAM functions and differences in reporting methods, etc.

Active Publication Date: 2008-04-30
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the reporting methods set by each manufacturer may be different, it is difficult to identify the corresponding capability information between different devices, which affects the execution of the OAM function.

Method used

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  • Acquisition method and system for optical network unit capability information
  • Acquisition method and system for optical network unit capability information
  • Acquisition method and system for optical network unit capability information

Examples

Experimental program
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Embodiment 1

[0035] As shown in FIG. 4, it is a schematic flowchart of an embodiment of a method for obtaining optical network unit capability information in the present invention. This embodiment includes the following steps:

[0036] Step 101, when the preset condition is met, the ONU queries the capability information supported by itself in its own management information database;

[0037] Step 102, generating a report message containing capability information conforming to a predetermined format, and sending it to the OLT;

[0038] Step 103 , when the OLT receives the reporting message, it extracts and obtains capability information according to a predetermined format.

[0039] In step 101, it is determined that the preset condition is met, but not limited to three situations. One is that after the OLT receives an instruction from the network management device, it actively sends a request to the ONU to obtain the capability information supported by the ONU, and the ONU receives the re...

Embodiment 2

[0079] As shown in FIG. 5 , it is a schematic flowchart of another embodiment of the method for obtaining ONU capability information of the present invention. Compared with the previous embodiment, this embodiment further includes the step 100 of setting the reporting format of capability information in OLT and ONU in advance. Each manufacturer’s equipment can pre-set the reporting format before leaving the factory, or set a unified reporting format according to the situation during equipment debugging. The so-called reporting format here includes the reporting type represented by each field, the field’s Length and arrangement order, when setting the report format, it is only required to unify the report format among all devices, and there is no need to impose special restrictions on the report type, the length and arrangement order of this field.

[0080] Through a unified reporting format, there is a basis for identification capability information between devices from differ...

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Abstract

The present invention relates to a method for obtaining capability information of an optical network unit, comprising: when a preset condition is met, the optical network unit queries the capability information supported by itself in its own management information database, and then generates a file containing capability information conforming to a predetermined format The report message is sent to the optical line terminal; when the optical line terminal receives the report message, it extracts the capability information according to a predetermined format. The present invention also relates to a system for obtaining capability information of an optical network unit, comprising: a capability information query module, a reporting message generating module, a reporting message sending module, a reporting message receiving module and a capability information extracting module. The present invention unifies the format of the capability information on both sides of the ONU and the OLT, avoids the problem that the reported capability information cannot be recognized due to the inconsistency of the format between the equipment of different manufacturers, and ensures that the EPON system can smoothly execute the corresponding OAM extension function.

Description

technical field [0001] The present invention relates to passive optical network (Passive Optical Network, referred to as PON) technology, especially a kind of ability to obtain Optical Network Unit (Optical Network Unit, referred to as ONU) under Ethernet passive optical network (Ethernet PON, referred to as EPON) Methods of information and their systems. Background technique [0002] With the rapid development of the Internet and new services and applications such as IPTV that put forward higher requirements for access bandwidth, optical fiber access has become an inevitable direction for the development of broadband access networks. Considering the maturity of technology and operating cost, EPON is the most important means of realizing optical fiber access, and it is also the access technology with the most development potential. [0003] Since the EPON system adopts a bandwidth-sharing point-to-multipoint topology, as shown in Figure 1, each Optical Line Terminal 1 (Opti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L12/24H04B10/08H04B10/07
Inventor 王作强王波胡卫沈成彬曹敏陈文蒋铭赵焕东
Owner CHINA TELECOM CORP LTD
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