CN102457391B - Equipment unified management method for Ethernet passive optical network and Ethernet over coax (EPON+EoC) two-way cable access network - Google Patents

Equipment unified management method for Ethernet passive optical network and Ethernet over coax (EPON+EoC) two-way cable access network Download PDF

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Publication number
CN102457391B
CN102457391B CN201010515011.5A CN201010515011A CN102457391B CN 102457391 B CN102457391 B CN 102457391B CN 201010515011 A CN201010515011 A CN 201010515011A CN 102457391 B CN102457391 B CN 102457391B
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equipment
registration request
eoc
epon
line terminal
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CN102457391A (en
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曾成品
李进
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SHANGHAI B-STAR BROADBAND TECHNOLOGY Co Ltd
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SHANGHAI B-STAR BROADBAND TECHNOLOGY Co Ltd
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Abstract

The invention provides an equipment unified management method for an Ethernet passive optical network and Ethernet over coax (EPON+EoC) two-way cable access network. The method comprises the following steps that: an Ethernet over coax (EoC) high performance switch transmits a registration request to Ethernet passive optical network (EPON) local side optical line terminal equipment based on a group management protocol; after receiving the registration request, information transfer equipment attaches identification information and the physical connection topology information of equipment managed by the information transfer equipment to the registration request and uploads the registration request; and after the EPON local side optical line terminal equipment receives the registration request attached with the physical connection topology information, the EPON local side optical line terminal equipment calculates a corresponding management address according to the physical connection topology information comprised by the registration request and a preset address calculation method, and transmits the management address to the EoC high performance switch, so that the EoC high performance switch correspondingly sets the management address of the EoC high performance switch; therefore, the unified management of the EPON local side optical line terminal equipment is realized, and the physical connection topology of high performance switch (HS) equipment can be automatically discovered.

Description

For the equipment Explore of Unified Management Ideas of the wired bilateral construction net of EPON+EoC
Technical field
The present invention relates to a kind of equipment Explore of Unified Management Ideas, particularly a kind of equipment Explore of Unified Management Ideas for the wired bilateral construction net of EPON+EoC.
Background technology
By Ethernet passive optical network (EPON) with carry out Ethernet data transmission technology (EoC) based on coaxial cable medium and be applied to cable television network bidirectional rebuilding, original cable TV HFC (Hybrid Fiber Coax can be utilized, optical fiber/coaxially mix) network, by traditional television services, speech business, broadband access network business, realizing the integration of three networks by IP technology, is a kind of trend of cable TV network development.Under the not discarded original hfc plant resource situation of cable TV, adopt EPON optical link to provide sub-headend to access to the high speed fibre of corridor, recycling coaxial high speed Ethernet transmission technology realizes corridor high speed copper shaft cable and registers one's residence.
This EPON of utilization and coaxial high speed Ethernet transmit the broadband access network of two kinds of technology, comprise the network equipment of dissimilar, characteristic and physical structure, to the physical connection Topology Discovery of broadband access network device with propose challenge to the unified management of equipment, particularly during the online enormous amount of EoC cable bridge switch (HS).Therefore, how to realizing below Access Network EPON local side optical line terminal (OLT) equipment all HS equipment physical connection topological automatic discoverings and effective unified management, be the problem that those skilled in the art need to solve.
At present, for local side optical line terminal (OLT) equipment with EPON master control borad, its master control borad has internal control IP address, the multiple HS equipment of the PON mouth second line of a couplet of OLT device, and each HS holds equipment to need internal control IP address, so that the master control borad of OLT can carry out supervisory communications by IP address and HS equipment.And existing OLT device generally supports nonautomatic discovery mode to the physical connection Topology Discovery of HS equipment, namely by each PON port of command mode inquiry OLT device, study determines physical connection topological structure to the MAC Address of HS equipment control port thus.HS equipment obtains internal control IP address and has two kinds of modes: (1) is by configuration internal control IP address, HS equipment this locality; (2) internal control IP address is obtained by DHCP mode.There is the defect of the following aspects in the physical connection Topology Discovery mode of the HS equipment of current description and the way to manage of internal control IP address:
First aspect: OLT device to HS equipment physical connection Topology Discovery existing for deficiency be: during by checking MAC Address that PON port learns, have a lot of mac address informations, wherein major part is not HS equipment control MAC, cannot determine which MAC Address is the managing MAC of HS equipment fast, cause the efficiency of the physical connection topological structure checking HS equipment very low, and easily make mistakes.
Second aspect: be by deficiency existing for configuration internal control IP address, HS equipment this locality: (1) is many to the configuration of IP address operating procedure of HS equipment, operates more loaded down with trivial details, inapplicable large-scale HS equipment operating; (2) operation can only be configured in HS equipment this locality each time, cannot support that Remote configuration managed before acquisition management ip address.
3rd aspect: obtain deficiency existing for internal control IP address by DHCP mode and be: (1) needs configuration DHCP server, and to ensure that HS equipment is be communicated with to Dynamic Host Configuration Protocol server go-between; (2) discovery of the physical connection topology of HS equipment does not directly associate with the internal control IP address of distribution, can not form unified management.
Current industry is to the physical connection Topology Discovery of Access Network HS equipment and the scheme of distributing internal control IP address, OLT device generally supports nonautomatic discovery mode to the physical connection Topology Discovery of HS equipment, obtains for HS equipment the similar scheme that internal control IP address generally uses local directly configuration or DHCP mode.Because these schemes exist above-mentioned various weak point, therefore when carrying out extensive HS equipment unified management, the unmanageable problem of access device will be there is.
Summary of the invention
The object of the present invention is to provide a kind of equipment Explore of Unified Management Ideas for the wired bilateral construction net of EPON+EoC, to realize the automatic discovery of the physical connection topology of HS equipment and the unified management to HS equipment.
In order to achieve the above object and other objects, equipment Explore of Unified Management Ideas for the wired bilateral construction net of EPON+EoC provided by the invention, comprises step: 1) EoC cable bridge switch sends registration request based on cluster management protocol to EPON local side optical line terminal equipment; 2) each information transferring equipment between EoC cable bridge switch and described EPON local side optical line terminal equipment, after receiving described registration request, the physical connection topology information comprising respective identification information and respective administered equipment is attached in described registration request, is uploaded; 3), after described EPON local side optical line terminal equipment receives the registration request being attached with each physical connection topology information, the physical connection topology information comprised according to described registration request and the address computation method preset calculate corresponding management address; 4) calculated management address is issued to described EoC cable bridge switch by described EPON local side optical line terminal equipment; And 5) management address of described EoC cable bridge switch to self give relative set, to accept the unified management of described EPON local side optical line terminal equipment.
Wherein, described information transferring equipment can comprise: passive optical network unit, optical line terminal port equipment etc.Described EPON local side optical line terminal equipment can comprise: the support plate, master control borad etc. of EPON local side optical line terminal equipment.
In sum, the physical connection topology of all HS equipment under equipment Explore of Unified Management Ideas for EPON+EoC wired bilateral construction net of the present invention can find OLT device PON mouth automatically by cluster management protocol, and internal control address can be distributed to online HS equipment according to physical connection topology, thus realize the unified management to HS equipment.
Accompanying drawing explanation
The equipment topology schematic diagram of wired bilateral construction net that Fig. 1 is suitable for by the equipment Explore of Unified Management Ideas for EPON+EoC wired bilateral construction net of the present invention.
Fig. 2 is the flow chart of the equipment Explore of Unified Management Ideas for the wired bilateral construction net of EPON+EoC of the present invention.
Embodiment
Below with reference to accompanying drawing, the equipment Explore of Unified Management Ideas for the wired bilateral construction net of EPON+EoC of the present invention is described in detail.
In the present embodiment, the equipment component that the wired bi-directional access network of the EPON+EoC that the present invention applies comprises as shown in Figure 1, it should be appreciated by those skilled in the art that the equipment topological diagram of the wired bi-directional access network of EPON+EoC is not as limit, the title of each equipment is also not as limit.
Refer to Fig. 2 again, it is the flow chart of the equipment Explore of Unified Management Ideas for the wired bilateral construction net of EPON+EoC of the present invention.
First, EoC cable bridge switch (i.e. HS) sends registration request based on cluster management protocol to EPON local side optical line terminal equipment, the IP address that can comprise this HS equipment MAC in this registration request and configure in advance, certainly, those skilled in the art should understand that, also need the identity information comprising HS equipment in this registration request, such as unique identification code etc., the physical connection topology information etc. of the equipment that this HS equipment is administered can also be comprised.And cluster management protocol (BCMP, B-STAR ClusterManagement Protocol) owing to being a two-layer protocol, the network equipment not having three layer protocols can be supported, as long as physical link is normal, agreement just can normally work, therefore, EoC cable bridge switch can communicate based on BCMP with EPON local side optical line terminal equipment.
Then, each information transferring equipment between EoC cable bridge switch and described EPON local side optical line terminal equipment, after receiving described registration request, the physical connection topology information comprising respective identification information and respective administered equipment is attached in described registration request, is uploaded.
In the present embodiment, information transferring equipment comprises: passive optical network unit (ONU), optical line terminal port equipment.The passive optical network unit (ONU) pretended as information transferring equipment receives described registration request, and in described registration request additional self identification information and the physical connection topology information of equipment of administering, such as additional packets of information is containing the port numbers ((i.e. PORT_ID), the MAC information etc. of ONU equipment that receive registration request.Then, optical line terminal port equipment (i.e. OLT port device) as information transferring equipment receives from after the registration request of ONU equipment, obtain the physical connection topology information comprised in described registration request, subsequently described registration request is uploaded, namely OLT port device is left intact to registration request, i.e. data channel transparent transmission registration request, but OLT port device can learn the topology content in registration request.
Then, after described EPON local side optical line terminal equipment receives the registration request being attached with each physical connection topology information, the physical connection topology information comprised according to described registration request and the address computation method preset calculate corresponding management address.It is further comprising the steps:
1, after the support plate of EPON local side optical line terminal equipment receives the registration request from described optical line terminal port equipment, determine that whether each information transferring equipment is legal according to the identification information of each information transferring equipment comprised in described registration request, and determine legal after, the physical topology information comprised in described log-on message is added in the physical connection topology information of self, and the identification information of self is attached to after in described registration request, registration request is continued to upload, its information additional in the registration request can comprise: the OLT port numbers (OLT ID) of registration request process, support plate place slot number (SLOT ID) etc.
2, the master control borad of OLT device is resolved from the registration request of the support plate of OLT device, record in this registration request each equipment comprised physical connection topology information, according to this topology information, according to the address computation method management of computing address of presetting.Wherein, the address computation method preset is known to those skilled in the art to be known, therefore is not described in detail in this.
Then, the management address that the master control borad of EPON local side optical line terminal equipment will calculate, is issued to described EoC cable bridge switch, and upgrades HS management information table.Wherein, the master control borad of described EPON local side optical line terminal equipment also when issuing management address, can be attached with the request that the described EoC cable bridge switch of request gives to reply in Preset Time.
Finally, the management address of described EoC cable bridge switch to self gives relative set, to accept the unified management of described EPON local side optical line terminal equipment.If described EoC cable bridge switch also receives the request giving to reply, then in Preset Time, give respective feedback to show confirmation, namely send heartbeat message to EPON local side optical line terminal equipment.
It should be noted that, in the present embodiment, the wired bilateral construction net of the EPON+EoC adopted, the information transferring equipment comprised between its HS equipment and OLT device illustrate only ONU equipment and OLT port device, but those skilled in the art should understand that, for the wired bilateral construction net of different EPON+EoC, the information transferring equipment that it comprises is not quite similar, and the step comprised also is not limited with above-described embodiment.In addition, for different information transferring equipment, it is not also limited with described above to the processing mode of the registration request received, such as, the registration request that information transferring equipment is receiving, not additional physical connection topology information, is only added on registration request by the port id receiving registration request medium.Further, for OLT device, in the present embodiment, it comprises support plate and master control borad, but the configuration of OLT device is also not as limit.
In sum, the step of the equipment Explore of Unified Management Ideas for the wired bilateral construction net of EPON+EoC of the present invention is namely: send BCMP registration request → ONU equipment by HS equipment and automatically add physical connection topology information → OLT port device transparent transmission management data information → OLT device support plate and automatically add physical connection topology information → OLT device master control borad and obtain according to physical connection topology information distributing IP address and service equipment management information table → HS equipment the internal control IP address → HS equipment timed sending heartbeat message → OLT device master control borad distributed and safeguard HS equipment connection state in time, as can be seen here, the automatic discovery of OLT device to the physical connection topology of HS equipment can be realized, the discovery of this topology is completely automatically and has uniqueness.Further, OLT device master control can be able to realize effectively managing the unification of HS equipment to HS equipment by implicit IP address.
Above-described embodiment only listing property illustrates principle of the present invention and effect, but not for limiting the present invention.Any person skilled in the art person all can without departing from the spirit and scope of the present invention, modify to above-described embodiment.Therefore, the scope of the present invention, should listed by claims.

Claims (6)

1., for an equipment Explore of Unified Management Ideas for the wired bilateral construction net of EPON+EoC, it is characterized in that comprising step:
1) EoC cable bridge switch sends registration request based on cluster management protocol to EPON local side optical line terminal equipment;
2) each information transferring equipment between EoC cable bridge switch and described EPON local side optical line terminal equipment, after receiving described registration request, the physical connection topology information of respective identification information and respective administered equipment is attached in described registration request, is uploaded;
3), after described EPON local side optical line terminal equipment receives the registration request being attached with each physical connection topology information, the physical connection topology information comprised according to described registration request and the address computation method preset calculate corresponding management address;
4) calculated management address is issued to described EoC cable bridge switch by described EPON local side optical line terminal equipment;
5) management address of described EoC cable bridge switch to self gives relative set, to accept the unified management of described EPON local side optical line terminal equipment.
2. as claimed in claim 1 for the equipment Explore of Unified Management Ideas of the wired bilateral construction net of EPON+EoC, it is characterized in that described step 2) comprise step: the passive optical network unit as information transferring equipment receives described registration request, and in described registration request additional self identification information and the physical connection topology information of equipment of administering.
3. as claimed in claim 2 for the equipment Explore of Unified Management Ideas of the wired bilateral construction net of EPON+EoC, it is characterized in that described step 2) comprise step: after receiving registration request from described passive optical network unit as the optical line terminal port equipment of information transferring equipment, obtain the physical connection topology information comprised in described registration request, subsequently described registration request is uploaded.
4. as claimed in claim 3 for the equipment Explore of Unified Management Ideas of the wired bilateral construction net of EPON+EoC, it is characterized in that described step 3) comprise step: after the support plate of EPON local side optical line terminal equipment receives the registration request from described optical line terminal port equipment, determine that whether each information transferring equipment is legal according to the identification information of each information transferring equipment comprised in described registration request, and determine legal after, the physical connection topology information comprised in described registration request is added in the physical connection topology information of self, and the identification information of self is attached to after in described registration request, registration request is continued to upload.
5. as claimed in claim 4 for the equipment Explore of Unified Management Ideas of the wired bilateral construction net of EPON+EoC, it is characterized in that described step 3) comprise step: after the master control borad of EPON local side optical line terminal equipment receives the registration request from the support plate of described EPON local side optical line terminal equipment, calculate management address, and be issued to described EoC cable bridge switch.
6. as claimed in claim 5 for the equipment Explore of Unified Management Ideas of the wired bilateral construction net of EPON+EoC, it is characterized in that the master control borad of described EPON local side optical line terminal equipment is when issuing calculated management address, be attached with the request that the described EoC cable bridge switch of request gives to reply in Preset Time, and then described EoC cable bridge switch receive described in give reply request after, in Preset Time, give respective feedback to show confirmation.
CN201010515011.5A 2010-10-21 2010-10-21 Equipment unified management method for Ethernet passive optical network and Ethernet over coax (EPON+EoC) two-way cable access network Active CN102457391B (en)

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CN102739539B (en) * 2012-06-29 2015-07-08 广东东研网络科技股份有限公司 Method for carrying out topology association on optical network unit (ONU) and Ethernet over coax (EOC)
CN103595600B (en) * 2012-12-31 2017-07-28 大唐电信科技股份有限公司 A kind of clustering methods and photoelectricity Two-way Network suitable for EOC large-scale network-estabilishings
CN103973597B (en) * 2013-01-30 2018-11-06 南京中兴新软件有限责任公司 The management method and system of resource in a kind of Opto-electronic system
CN103412830B (en) * 2013-08-13 2016-12-07 华为技术有限公司 A kind of method, apparatus and system of centralized management
WO2018085995A1 (en) * 2016-11-08 2018-05-17 华为技术有限公司 Network topology discovery method and apparatus, and hybrid fiber coaxial cable network
CN108418702A (en) * 2017-12-27 2018-08-17 武汉丰天鼎业信息网络有限公司 The implementation method in GPON system configuration EOC system administrations channel
CN109951749A (en) * 2019-03-06 2019-06-28 湖北省广播电视信息网络股份有限公司 The method and system that the business of PON+EOC networking is opened automatically
CN110636393B (en) * 2019-09-10 2021-11-16 烽火通信科技股份有限公司 Double-master-control 1+1 concurrent working method and system of OLT equipment

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Denomination of invention: Unified equipment management method for EPON + EOC wired two-way access network

Effective date of registration: 20210914

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