CN101299642B - Optical fiber network system and management method thereof - Google Patents
Optical fiber network system and management method thereof Download PDFInfo
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- CN101299642B CN101299642B CN2007101029435A CN200710102943A CN101299642B CN 101299642 B CN101299642 B CN 101299642B CN 2007101029435 A CN2007101029435 A CN 2007101029435A CN 200710102943 A CN200710102943 A CN 200710102943A CN 101299642 B CN101299642 B CN 101299642B
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Abstract
The invention relates to an optical fiber network system including at least a station apparatus and an optical network unit. The optical network unit is connected with the station apparatus, and conveys a management package to the station apparatus according to an Ethernet protocol, wherein, the management package carries at least an information string which is set by the optical network unit management control interface (OMCI). A management method of the optical fiber network system includes the following steps: the optical network unit selecting at least an information string which is set by the optical network unit management control interface (OMCI); packaging the information string in a management package; and the optical network unit conveying the management package to the station apparatus according to an Ethernet protocol.
Description
Technical field
The present invention relates to a kind of network system and management method thereof, particularly relate to a kind of optical fiber network system and management method thereof.
Background technology
Along with the quick arrangement of the flourish and network infrastructure development of information, driven such as popularizing that network widebands such as online game, Online Learning, video conference are used; Optical fiber is because of having high frequency range, big capacity, low loss and be not subjected to characteristic such as Electromagnetic Interference, with other propagation mediums in comparison, have remarkable advantages.Under the growth rapidly of optical communication technology, replace the communication mode of tradition gradually with the copper cash transmission, become the trend that following wideband network cloth is built.Early stage telecommunications dealer lays optical fiber and begins to carry out from backbone network, even to this day Quan Qiu backbone network/all can network lay almost reach saturated, gradually toward the access network development, various wideband access network technology based on optical fiber then one after the other are developed optical fiber.
Generally speaking, as shown in Figure 1, a kind of network system 1 with optical fiber access network is to comprise a plurality of optical line terminals (Optical Line Terminal, OLT) 11 and optical network unit (OpticalNetwork Unit, ONU) 12.Wherein, optical line terminal 11 is as local side apparatus, and it is to be connected with world-wide web INT and optical network unit 12 respectively; And optical network unit 12 is the terminal equipments as the user, and it is to be connected with user's set 13.In addition, the other end of world-wide web INT is to have (the Internet Service Provider of Internet service provider, ISP) NM server 14, its be by world-wide web INT come to the network equipment (as modem) of user's set 13 monitor, management or refresh routine or the like.
In addition, when optical line terminal 11 carries out webmaster, be by (the InternationalTelecommunication Union of International Telecommunications Union, ITU) optical network unit management control interface (the ONUManagement and Control Interface that is formulated, OMCI) manage and control optical network unit 12, for example: foundation/release is connected with optical network unit 12, user's network interface of managing network unit 12 (User Network Interface, UNI), requiring allocation message and performance statistics and notifying automatically is that the system keeper is such as incidents such as connection failures.
In gross, OMCI provides the management function of following several respects to optical network unit 12: configuration management, fault management, performance management and safety management.Yet, owing to OMCI is only applicable between optical line terminal 11 and the optical network unit 12, so above-mentioned management function only can be effective to optical network unit 12; The function that optical network unit 12 needs other webmasters agreements of use to set, simple network management agreement (Simple Network Management Protocol for example, SNMP) come the network equipment of leading subscriber device 13, so that can't continue to continue to use OMCI and carry out webmaster between optical network unit 12 and the user's set 13, and then reduce the webmaster usefulness of integral body.
Therefore, how to provide a kind of optical fiber network system and management method thereof, the network management function that can between optical network unit and user's set, use OMCI to set, and then promote whole webmaster usefulness, real is one of current important topic.
Summary of the invention
Because above-mentioned problem, purpose of the present invention is for providing a kind of network management function that can use OMCI to set between optical network unit and user's set, and then promotes the optical fiber network system and the management method thereof of whole webmaster usefulness.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of optical fiber network system according to the present invention proposes comprises: at least one user's set; And an optical network unit, be to be connected with this user's set, and according to a second too network convention transmit a management package to this user's set, this management package is to carry at least one information string, this information string is to be set by OMCI.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid optical fiber network system, wherein said optical network unit are to transmit this management package with a medium access control address.
Aforesaid optical fiber network system, wherein said second too network convention are to be IEEE802.3ah.
Aforesaid optical fiber network system, wherein said management package are to be an OAMPDU package, and a parameter value of the code field of described OAMPDU package is to be made by oneself by a developer.
Aforesaid optical fiber network system, the data field of wherein said OAMPDU package are to have an OMCI stop code, in order to determine the termination bit of this information string.
Aforesaid optical fiber network system, wherein said OMCI stop code are to be adjacent to this information string.
Aforesaid optical fiber network system, wherein said information string is a data field of depositing in this OAMPDU package, described user's set is to receive this OAMPDU package, and transmits a response packet to this optical network unit, and this response packet is the hardware information with this user's set.
Aforesaid optical fiber network system, wherein said optical network unit are to have more a memory body, and it is this hardware information of record.
Aforesaid optical fiber network system, wherein said optical network unit is to have: one receives module, is to receive an OMCI package, and this OMCI package is to have this information string; One conversion module is with this reception module electric connection and receive this OMCI package, and this information string is encapsulated as this management package; One optical line terminal is to be connected with this optical network unit, and transmits this OMCI package to this optical network unit; And one transmit module, be and this conversion module electrically connects, and reception and transmit this management package to this user's set.
The object of the invention to solve the technical problems also realizes by the following technical solutions.The management method of a kind of optical fiber network system that proposes according to the present invention, this optical fiber network system has an at least one user's set and an optical network unit, this optical network unit is to be connected with this user's set, this management method comprises: receive an OMCI package by this optical network unit, this OMCI package has this information string; Choose at least one information string by this optical network unit, this information string is to be set by OMCI; This information string is packaged in a management package; And by this optical network unit according to a second too network convention transmit this management package to this user's set.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid management method, wherein said second too network convention are to be IEEE802.3ah.
Aforesaid management method, wherein said management package are to be an OAMPDU package.
Aforesaid management method more comprises: transmit this OAMPDU package to carry out a discovery procedure; By this user's set one hardware information is sent to this optical network unit via a response packet and stores the memory body of this hardware information to this optical network unit; And
Transmit this management package to this this user's set with a medium access control address.。
The present invention compared with prior art has tangible advantage and beneficial effect.As known from the above, in order to achieve the above object, the invention provides a kind of optical fiber network system and comprise an at least one user's set and an optical network unit.Optical network unit is to be connected with user's set, and too network convention transmission one management package is to user's set according to a second, and the management package is to carry at least one information string, and the information string is to be set by OMCI.
For reaching above-mentioned purpose, management method according to a kind of optical fiber network system of the present invention, wherein optical fiber network system has an at least one user's set and an optical network unit, optical network unit is to be connected with user's set, management method comprises the following step: choose at least one information string by optical network unit, the information string is to be set by OMCI; The information string is packaged in a management package; And by optical network unit according to a second too network convention transfer management package to user's set.
From the above, because of foundation a kind of optical fiber network system of the present invention and management method thereof, be between optical network unit and user's set, to set up too network of a second, and the management function that OMCI sets is packaged in a management package, and will manage package foundation one second too network convention be sent to user's set and carry out webmaster.Compare with known techniques, the present invention can continue to continue to use the network management function that OMCI sets between optical network unit and user's set, and the webmaster that need not change other reaches an agreement on and carry out webmaster, and then promotes whole webmaster usefulness.
Description of drawings
Fig. 1 is an a kind of schematic diagram of known optical fiber network system.
Fig. 2 is the schematic diagram according to a kind of optical fiber network system of preferred embodiment of the present invention.
Fig. 3 is the schematic diagram according to the employed OAMPDU package of a kind of optical fiber network system of preferred embodiment of the present invention.
Fig. 4 is according to an a kind of optical fiber network system of preferred embodiment of the present invention and a calcspar of optical network unit thereof.
Fig. 5 is a schematic diagram of the information string that had according to the employed OAMPDU package of a kind of optical fiber network system of preferred embodiment of the present invention.
Fig. 6 is the flow chart according to the management method of a kind of optical fiber network system of preferred embodiment of the present invention; And
Fig. 7 is another flow chart according to the management method of a kind of optical fiber network system of preferred embodiment of the present invention.
1,2: optical fiber network system 11,23: optical line terminal
12,22: optical network unit 13,21: user's set
14: NM server 211: modem
221: processor 2211: receive module
2212: conversion module 2213: transmit module
222: memory body 24: network management device
INT: world-wide web MP1: management package
NP: network convention package OP1:OMCI package
S01-S04, S041-S044: the process step of management method
Embodiment
Hereinafter with reference to correlative type, a kind of optical fiber network system and management method thereof according to preferred embodiment of the present invention are described, wherein components identical will be illustrated with identical reference marks.
Please refer to shown in Figure 2, a kind of optical fiber network system 2 of preferred embodiment of the present invention is to comprise at least one user's set 21, an optical network unit (Optical Network Unit, ONU) 22, optical line terminal (Optical Line Terminal, OLT) 23 and one network management device 24.Wherein, optical line terminal 23 is as local side apparatus, and it is to be connected with world-wide web INT and optical network unit 22 respectively; And optical network unit 22 is the terminal equipments as the user, and it is to be connected with user's set 21, is to be connected with user's set 21 by a modem 211 of user's set in this.In addition, the other end of world-wide web INT is to have network management device 24, and it is to come user's set 21 is carried out webmaster by world-wide web INT, as monitoring, management or refresh routine or the like.
In the present embodiment, user's set 21 can be a PC, a personal digital assistant (PersonalDigital Assistant, PDA) or other-end equipment or the like.Modem 211 is as the data conversion medium between user's set 21 and the optical network unit 22, for example the light signal on the fiber optic network is converted to user's set 21 acceptable electric signals, so that make both sides carry out data transmission.In addition, network management device 24 is to can be one by world-wide web INT user's set 21 to be carried out the NM server of webmaster, for example is an Internet service provider (Internet Service Provider, the ISP) NM server that is had.
Between optical network unit 22 and the user's set 21 be adopt second too network (Ethernet) come data transmission.Optical network unit 22 be according to a second too network convention transmit a management package MP1 to user's set 21 so that user's set 21 is carried out webmaster.Wherein, second too network convention is to be defined in OSI (OpenSystems Interconnection, OSI) ground floor in the reference model and the second layer, be the agreement of physical layer (Physical Layer) and data articulamentum (Data-Link Layer), and management package MP1 transmit by a medium access control address.
In the present embodiment, optical network unit 22 is as second network convention too with Institute of Electrical and Electronics Engineers IEEE (IEEE) 802.3ah, IEEE802.3ah is in recent years, by IEEE802.3ah work group and second (the Ethernet in the First Mile Alliance of the network first mile alliance too, EFMA) formulate and widely popularize, by this agreement can with second too network application promoting the frequency range and the transmission speed of access network, and reduce the expenditure cost of network system in user side.
In the IEEE802.3ah agreement, also defined second too network operation, management and safeguard (Operation, Administration, Maintenance, OAM) function, the package with this function is defined as OAMPDU (OAM Protocol Data Unit) package.The OAMPDU package is as shown in Figure 3, and it is to have many fields, and as destination address, address, source, data or the like, and each field all has specific bit group to store information, wherein, and in the data that to the effect that the is stored in field of package.In the present embodiment, the management package MP1 that transmitted of optical network unit 22 is the OAMPDU package.
Referring again to shown in Figure 2, when network management device 24 desires are carried out webmaster to user's set 21, be to transmit a network convention (Internet Protocol, IP) package NP, be sent to optical line terminal 23 via world-wide web INT, (ONUManagement and Control Interface OMCI) transmits an OMCI package OP1 to optical network unit 22 by optical network unit management control interface and optical line terminal 23 relends.Wherein, OMCI package OP1 has an information string, and the information string is to have the management function that is set by OMCI, as configuration management, fault management, performance management and safety management or the like.
Please refer to shown in Figure 4ly, optical network unit 22 is to have a processor 221, processor 221 be have one receive module 2211, a conversion module 2212 and transmits module 2213.Wherein, receiving module 2211 is to receive the OMCI package OP1 that optical line terminal 23 is transmitted, and is sent to conversion module 2212.Conversion module 2212 is and receives module 2211 electric connections, and the information string among the OMCI package OP1 captured out, and according to second too network convention be encapsulated as management package MP1, in this, be to be encapsulated as OAM agreement information unit (OAM ProtocolData Unit, OAMPDU) package according to the IEEE802.3ah agreement.Optical network unit 22 obtains this information string except the OMCI package OP1 that can send from the external world, also can the built-in information string that is set by OMCI own.
As shown in Figure 5, the information string can be positioned over the data field of management package MP1, and the information string is to comprise header, data type, data content and other field or the like, and each field all has specific bit group to store information.Wherein, main content is to store in the data content field.In addition, for allowing the length that the device that receives management package MP1 can easy identification information string, also adding an OMCI stop code at the data field, is in order to determining the termination bit of information string, and in this, the OMCI stop code is to be adjacent to the information string.In addition, for making the OAMPDU package and other OAMPDU packages that are used to transmit the information string that OMCI sets different, the parameter value of the code field of OAMPDU package is to be made by oneself by a developer.
Referring again to shown in Figure 4, after encapsulation is finished, conversion module 2212 just will be managed package MP1 and be sent to and change the transmission module 2213 that module 2212 electrically connects, and transmitting module 2213 is that management package MP1 is sent to user's set 21.Thus, optical network unit 22 just can come user's set 21 is carried out webmaster by the network management function that OMCI sets.
In addition, in the present embodiment, optical network unit 22 can utilize defined discovery (Discovery) program in the IEEE802.3ah agreement to obtain the information of user's set 21.Optical network unit 22 is to transmit an OAMPDU package to user's set 21, and user's set 21 is to transmit a response packet to optical network unit 22, and response packet is the hardware information with user's set 21; In addition, hardware information can store the memory body 222 in optical network unit 22.
Please refer to shown in Figure 6ly, the management method of a kind of optical fiber network system of preferred embodiment of the present invention is the optical fiber network system 2 that is applied to the foregoing description, and management method is to comprise step S01 to step S04.In step S01, be the OMCI package OP1 that has an information string by optical network unit 22 receptions one.In step S02, be to choose this information string by optical network unit 22, this information string is to be set by OMCI, and has management function, information such as for example configuration management, fault management, performance management and safety management.In step S03, be that the information string is packaged among the management package MP1, in present embodiment, the information string is to be packaged in the OAMPDU package.In step S04, be by optical network unit 22 according to a second too network convention transfer management package MP1 to user's set 21.
In this, second too network convention is to be example explanation with IEEE802.3ah, and is as following step S041 (please refer to Fig. 7) as described in the step S044 according to the information that the defined discovery of IEEE802.3ah (Discovery) program is obtained user's set 21.In step S041, be to transmit OAMPDU package to a user's set 21 to carry out a discovery procedure by optical network unit 22.In step S042, be a hardware information to be additional in the response packet, and be sent to optical network unit 22 that wherein hardware information for example can be a medium access control address of user's set 21 by user's set 21.In step S043, be that the medium access control address is stored in the memory body 222 of optical network unit 22.In step S044, be to user's set 21 with this medium access control address transfer management package MP1.
Because it is bright that the management method of the optical fiber network system of present embodiment has been chatted in the optical fiber network system 2 of the foregoing description in the lump, so no longer given unnecessary details in this.
In sum, because of foundation a kind of optical fiber network system of the present invention and management method thereof, be between optical network unit and user's set, to set up too network of a second, and the management function that OMCI sets is packaged in a management package, and will manage package foundation one second too network convention be sent to user's set and carry out webmaster.Compare with known techniques, the present invention can continue to continue to use the network management function that OMCI sets between optical network unit and user's set, and the webmaster that need not change other reaches an agreement on and carry out webmaster, and then promotes whole webmaster usefulness.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (14)
1. optical fiber network system is characterized in that comprising:
At least one user's set; And
One optical network unit is to be connected with this user's set, and too network convention transmission one management package is to this user's set according to a second, and this management package is to carry at least one information string, and this information string is to be set by OMCI.
2. optical fiber network system according to claim 1 is characterized in that described optical network unit is to transmit this management package with a medium access control address.
3. optical fiber network system according to claim 1, it is characterized in that described second too network convention be to be IEEE 802.3ah.
4. optical fiber network system according to claim 3 is characterized in that described management package is to be an OAMPDU package, and a parameter value of the code field of described OAMPDU package is to be made by oneself by a developer.
5. optical fiber network system according to claim 4, the data field that it is characterized in that described OAMPDU package are to have an OMCI stop code, in order to determine the termination bit of this information string.
6. optical fiber network system according to claim 5 is characterized in that described OMCI stop code is to be adjacent to this information string.
7. optical fiber network system according to claim 4, it is characterized in that described information string is a data field of depositing in this OAMPDU package, described user's set is to receive this OAMPDU package, and transmitting a response packet to this optical network unit, this response packet is the hardware information with this user's set.
8. optical fiber network system according to claim 7 is characterized in that described optical network unit is to have more a memory body, and it is this hardware information of record.
9. optical fiber network system according to claim 1 is characterized in that described optical network unit is to have:
One receives module, is to receive an OMCI package, and this OMCI package is to have this information string;
One conversion module is with this reception module electric connection and receive this OMCI package, and this information string is encapsulated as this management package;
And
One transmits module, be and this conversion module electrically connects, and reception and transmit this management package to this user's set.
10. optical fiber network system according to claim 1 is characterized in that more comprising:
One optical line terminal is to be connected with this optical network unit, and transmits the OMCI package to this optical network unit.
11. the management method of an optical fiber network system, this optical fiber network system have an at least one user's set and an optical network unit, this optical network unit is to be connected with this user's set, it is characterized in that this management method comprises:
Receive an OMCI package by this optical network unit, this OMCI package has an information string;
Choose this information string by this optical network unit, this information string is to be set by OMCI;
This information string is packaged in a management package; And
By this optical network unit according to a second too network convention transmit this management package to this user's set.
12. management method according to claim 11, it is characterized in that described second too network convention be to be IEEE 802.3ah.
13. management method according to claim 11 is characterized in that described management package is to be an OAMPDU package.
14. management method according to claim 11 is characterized in that more comprising:
Transmit this OAMPDU package to carry out a discovery procedure;
By this user's set one hardware information is sent to this optical network unit via a response packet;
Store the memory body of this hardware information to this optical network unit; And
Transmit this management package to this user's set with a medium access control address.
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| CN2007101029435A CN101299642B (en) | 2007-04-30 | 2007-04-30 | Optical fiber network system and management method thereof |
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| CN2007101029435A CN101299642B (en) | 2007-04-30 | 2007-04-30 | Optical fiber network system and management method thereof |
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| US6888846B2 (en) * | 2002-07-11 | 2005-05-03 | Flexlight Networks | Data transfer in an optical network communication system |
| CN1889450A (en) * | 2005-06-30 | 2007-01-03 | 华为技术有限公司 | Method for carrying out terminal management for passive optical network based on Ethernet |
| CN1929394A (en) * | 2005-09-07 | 2007-03-14 | 中兴通讯股份有限公司 | Optical network unit remote management method in Ethernet passive optical network system |
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- 2007-04-30 CN CN2007101029435A patent/CN101299642B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US6888846B2 (en) * | 2002-07-11 | 2005-05-03 | Flexlight Networks | Data transfer in an optical network communication system |
| CN1889450A (en) * | 2005-06-30 | 2007-01-03 | 华为技术有限公司 | Method for carrying out terminal management for passive optical network based on Ethernet |
| CN1929394A (en) * | 2005-09-07 | 2007-03-14 | 中兴通讯股份有限公司 | Optical network unit remote management method in Ethernet passive optical network system |
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| Amendment: Media Access Control Parameters, Physical Layers, and Management Parameters for Subscriber Access Networks.《IEEE Std 802.3ah-2004》.2004,185-192. * |
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