CN105099788A - Centralized management system and method of optical network units - Google Patents
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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Abstract
The invention provides a centralized management system and method of optical network units. The centralized management system and method are applied to an EPON+EOC network. The EPON+EOC network comprises at least one optical network terminal that is connected with a plurality of optical network units and provides a management end associated with a first management protocol; the optical network terminal is connected with the management end and provides a logic entity set, and logic entities in the logic entity set are in one-to-one corresponding connection with the optical network units connected with the optical network terminal, respectively; the management end manages the logic entities in the logic entity set by use of a first management protocol; and the logic entities in the logic entity set manage the correspondingly connected optical network units by use of a second management protocol and according to the management of the management end. The centralized management system and method have the beneficial effect that simple and efficient operations of centralized inquiry and unified configuration are realized on the optical network units in the management system.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of optical network unit centralized management system and method.
Background technology
Ethernet passive optical network (EthernetPassiveOpticalNetwork, EPON) is a kind of novel intelligent acess network technology, and it adopts point-to-multipoint structure, passive fiber to transmit, on Ethernet, provide multiple business.Ethernet passive optical network system is by OLT (OpticalLineTerminal) Optical Network Terminal, optical network unit (the OpticalNetworkUnit of user side, ONU) and Optical Distribution Network (OpticalDistributionNetwork---ODN) composition, current General Bureau of Radio, Film and Television advances the transformation of bi-directional light net at cable TV network, EPON soft exchange technology is adopted between sub-headend and optical node, coaxial user's distribution network below optical node adopts coaxial cable broadband access technology (EthernetPONandEthernetoverCoax, EOC), the i.e. technology of EPON+EOC network, and adopt Simple Network Management Protocol to Optical Network Terminal by EMS (Element management system) in EPON+EOC network, optical network unit, EOC headend carries out telemanagement, but what optical network unit adopted is terminal management, like this cannot Integrated query and unified configuration to network element node, optical network local side apparatus is adopted to be terminal management mode in existing technology, but EOC headend and optical network local side apparatus disunity in Element management system equipment control, separately there are employing Simple Network Management Protocol (SNMP) and OAM (OperationAdministrationandMaintenance) agreement two kinds of modes to manage simultaneously, but what bring like this is that optical network unit configuration management function is complicated.
Summary of the invention
For in prior art in Element management system to the problems referred to above that optical network local side apparatus and optical network unit and the management of EOC headend exist, now provide a kind of and be intended to realize in Element management system to a kind of optical network unit centralized management system of Optical Network Terminal and optical network unit and EOC headend Integrated query and unified configuration and method.
Concrete technical scheme is as follows:
A kind of optical network unit centralized management system, optical network local side apparatus is connected to a plurality of described optical network unit, specifically comprises the following steps:
A kind of optical network unit centralized management system, be applied to EPON+EOC network, described EPON+EOC network comprises at least one Optical Network Terminal, and described Optical Network Terminal connects a plurality of optical network unit, it is characterized in that,
The management end that one is associated with one first management agreement is provided;
Described Optical Network Terminal connects described management end, and provides a logic entity collection, and the optical network unit that the logic entity that described logic entity is concentrated is connected with described Optical Network Terminal connects one to one respectively;
The described logic entity that described management end is concentrated by logic entity described in described first management protocol management;
The described logic entity concentrated of described logic entity by one second management agreement and according to the management of described management end, the corresponding described optical network unit connected of management.
When described logical management entity distinguishes the corresponding response message that sends to described Element management system in receiving after described operational order performs operation corresponding to described operational order.
Preferably, described management end is an Element management system.
Preferably, described optical network unit is single household equipment.
Preferably, described first management agreement is snmp protocol.
Preferably, described second management agreement is OAM agreement.
Preferably, described logic entity comprises:
Storage element, described storage element stores described first management agreement of coupling and the management information of corresponding described optical network unit;
First management agreement client, connect described management end and described storage element respectively, in order to receive the configuration-direct of described management end, and described management information corresponding in storage element according to described configuration instruction configures, and receive the information read requests of described management end, and in described storage element, read corresponding described management information according to described information read requests and be sent to described management end;
Management agreement converting unit, connect described storage element, in order to the described management information in described storage element to be converted into the first configuration information mating described second management agreement, and the second configuration information to be converted to the management information of mating described first management agreement and be stored into described storage element;
Second management protocol proxy unit, connect the described optical network unit of described management agreement converting unit and correspondence respectively, in order to described first configuration information is sent to described optical network unit based on described second management agreement, and described second configuration information receiving the transmission of described optical network unit is forwarded to described management agreement converting unit.
Preferably, described storage element adopts tree structure to store described management information.
Also comprise a kind of optical network unit centralized management method, comprise some Optical Network Terminal, described Optical Network Terminal connects a plurality of optical network unit, it is characterized in that,
There is provided the management end that is associated with one first management agreement, described management end at least connects an Optical Network Terminal;
Described management end is by the logic entity collection at least one Optical Network Terminal described in the first management protocol management;
The logic entity concentrated of described logic entity is by optical network unit corresponding to one second management protocol management.
Preferably, also comprise the steps:
Step S1, described management end concentrate corresponding described logic entity by the described first management agreement described logic entity sent in configuration-direct to described Optical Network Terminal;
Described configuration-direct is converted into the first configuration information of corresponding described second management agreement by step S2, described logic entity;
Described first configuration information is sent to corresponding described optical network unit by described second management agreement by step S3, described logic entity.
Preferably, also comprise the steps:
Steps A, described management end concentrate corresponding described logic entity by the described first management agreement described logic entity sent in read requests to described Optical Network Terminal;
Step B, described logic entity read corresponding described optical network unit to obtain corresponding second configuration information according to described read requests by described second management agreement;
Described second configuration information read is converted to the management information of mating described first management agreement by step C, described logic entity;
Described management information is sent to described management end by described first management agreement by step D, described logic entity.
Technique scheme tool has the following advantages or beneficial effect: provide a kind of optical network unit centralized management system and method, by providing a logic entity collection, the optical network unit that the logic entity that logic entity is concentrated is connected with Optical Network Terminal connects one to one respectively, then management end passes through the logic entity that the first management protocol management logic entity is concentrated; And the logic entity that logic entity is concentrated is by one second management agreement and according to the management of described management end, the corresponding described optical network unit connected of management, thus achieve, at management end, the operation of Integrated query and unified configuration is realized to optical network unit, efficiently simple to operate.
Accompanying drawing explanation
With reference to appended accompanying drawing, to describe embodiments of the invention more fully.But, appended accompanying drawing only for illustration of and elaboration, do not form limitation of the scope of the invention.
Fig. 1 is the Organization Chart of the embodiment of a kind of optical network unit centralized management system of the present invention;
Fig. 2 is the flow chart sending the embodiment of the first configuration information process in optical network unit centralized management method of the present invention;
Fig. 3 is the flow chart sending the embodiment of read requests process in optical network unit centralized management method of the present invention;
Fig. 4 is the schematic diagram of the embodiment of tree-like memory structure in optical network unit centralized management method of the present invention;
The schematic diagram of the message frame of the snmp protocol in Fig. 5 optical network unit centralized management of the present invention method.
Fig. 6 is the embodiment schematic diagram of the second management agreement extended message form in optical network unit centralized management method of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as limiting to the invention.
Technical solution of the present invention comprises a kind of optical network unit centralized management method.
As shown in Figure 1, a kind of optical network unit centralized management system, is applied to EPON+EOC network, and EPON+EOC network comprises at least one Optical Network Terminal, and Optical Network Terminal connects a plurality of optical network unit,
The management end 1 that one is associated with one first management agreement is provided;
Optical Network Terminal 2 connection management end 1, and a logic entity collection is provided, the optical network unit 4 that the logic entity 3 that logic entity is concentrated is connected with Optical Network Terminal 2 connects one to one respectively;
The logic entity 3 that management end 1 is concentrated by the first management protocol management logic entity;
The logic entity 3 concentrated of logic entity by one second management agreement and according to the management of management end 1, the corresponding optical network unit 4 connected of management.
In technique scheme, the logic entity 3 that management end 1 is concentrated to the logic entity in light network terminal 2 by the first management agreement, the management of logic entity 3 pairs of management ends 1 transforms accordingly, make it to meet the second management agreement, further, logic entity 3 is managed optical network unit 4 by the second management agreement.Like this, whole network carries out holistic management by the first management agreement, overcomes EPON+EOC network in prior art and cannot carry out the defect of unified management to the network equipment.
In one preferably execution mode, management end 1 can be an Element management system, can be managed by Element management system to all network elements in EPON+EOC network.
In one preferably execution mode, optical network unit 4 is single household equipment.
In one preferably execution mode, the first management agreement is snmp protocol.
In one preferably execution mode, the second management agreement is OAM agreement.
In one preferably execution mode, logic entity 3 comprises:
Storage element 32, storage element 32 stores coupling first management agreement and the management information of corresponding optical network unit 4;
First management agreement client 31, connection management end 1 and storage element 32 respectively, in order to the configuration-direct of receiving management end 1, and according to management information corresponding in configuration instruction configures storage element 32, and the information read requests of receiving management end 1, and in storage element, read corresponding management information according to information read requests and be sent to management end 1;
Management agreement converting unit 34, connect storage element, in order to the management information in storage element 32 to be converted into the first configuration information of coupling second management agreement, and the management information the second configuration information being converted to coupling first management agreement is stored into storage element 32;
Second management protocol proxy unit 33, the optical network unit 4 of connection management conversion unit of protocol 34 and correspondence respectively, in order to the first configuration information is sent to optical network unit 4 based on the second management agreement, and the second configuration information receiving optical network unit 4 transmission is forwarded to management agreement converting unit 34.
On such scheme basis, further, storage element 32 can adopt tree structure storage management information.
As a kind of preferred embodiment, storage element 32 can MIB (ManagementInformationBase management information bank) form realize.
As preferred embodiment, the node of corresponding optical network unit 4 can be added into the correspondence position of tree structure, further, the subtree of the management information of corresponding optical network unit 4 can be increased under the node of corresponding optical network unit 4.
In technique scheme, therefore the technology well known to those skilled in the art that is embodied as of tree structure repeats no more.
In technical scheme of the present invention, also comprise a kind of optical network unit 4 and manage method concentratedly, comprise some Optical Network Terminal 2, Optical Network Terminal 2 connects a plurality of optical network unit 4,
The management end 11 that one is associated with one first management agreement is provided; Management end 1 at least connects an Optical Network Terminal 2;
Described management end 1 is by the logic entity collection at least one Optical Network Terminal 2 described in the first management protocol management;
The logic entity 3 concentrated of described logic entity is by optical network unit 4 corresponding to one second management protocol management.
On such scheme basis, further, as shown in Figure 2, comprise the following steps:
Step S1, management end 1 send configuration-direct to the logic entity in Optical Network Terminal 2 by the first management agreement and concentrate corresponding logic entity 3;
Configuration-direct is converted into the first configuration information of corresponding second management agreement by step S2, logic entity 3;
First configuration information is sent to corresponding optical network unit 4 by the second management agreement by step S3, logic entity 3.
On such scheme basis, further, as shown in Figure 3, also comprise the steps:
Steps A, management end 1 send read requests to the logic entity in Optical Network Terminal 2 by the first management agreement and concentrate corresponding logic entity 3;
Step B, logic entity 3 read corresponding optical network unit 4 to obtain corresponding second configuration information according to read requests by the second management agreement;
Step C, logic entity 3 convert the second configuration information read the management information of coupling first management agreement to;
Management information is sent to management end 1 by the first management agreement by step D, logic entity 3.
In one preferred embodiment in, when management end 1 sends a configuration-direct to the first management agreement end in the logic entity 3 in Optical Network Terminal 2, coupling first management agreement is stored and the management information of corresponding optical network unit 4 in storage element 32 in logic entity 3, management information corresponding in storage element 32 is stored according to configuration instruction configures after first management agreement termination receives configuration-direct, and management information is converted into the first configuration information of coupling second management agreement by conversion unit of protocol and the first configuration information of coupling second management agreement conversion unit of protocol changed by the second management protocol proxy unit 33 is sent to after optical network unit 4 completes configuration, second configuration information is sent to conversion unit of protocol by the second management protocol proxy unit 33 to optical network unit 4 by the second configuration information and the management information the second configuration information being converted to coupling first management agreement is stored in storage element 32.
In one preferred embodiment in, when management end 1 sends an information read requests to the first management agreement end in the logic entity 3 in Optical Network Terminal 2, store coupling first management agreement in storage element 32 in logic entity 3 and the management information of corresponding optical network unit 4, in storage element 32, read corresponding management information according to information read requests and be sent to management end 1.
Be described with a kind of concrete execution mode below, be under the execution mode of snmp protocol based on the first management agreement, the logic entity that the network element 4 that logical management entity 3 is representatively managed is present in Optical Network Terminal 2 is concentrated, comprising managed object entity sets, each managed object represents the attribute in a certain respect of the network element 4 be managed, and the set of these managed objects forms MIB.Each MIB can use tree structure to organize all available informations.Every sheet information is wherein a labelled node.Each node comprises two contents: an object identifier and a brief text describe.Wherein object identifier OID (objectidentifier) is the one group of integer separated by fullstop, and its names node and the accurate location of instructs node in tree structure.And brief text description is described the node of tape label.A tape label node can have the subtree comprising other tape label node.If tape label node does not have subtree, be exactly leaf node, it comprises one and is worth and is called as object.
The MIB tree structure of a managed object is shown in embodiment as shown in Figure 4, wherein private subtree is the node for the privately owned management information of enterprise prepares, a child node enterprises (1) is only had at present below this subtree, suppose that enterprise is to Internet coding mechanism application code 920, the code that the optical network terminal produced for this enterprise is given is 1, and the code given for device of optical network unit is 2.
In a kind of concrete execution mode, the MIB of optical network unit 4 correspondence is so that { 1.3.6.1.4.1.920.2} identifies as the OID of root node, defines the managed object entity sets of this optical network unit 4 in table 1.
| Management item title | OID value |
| ONU information table | 1.3.6.1.4.1.920.2.1 |
| ONU equipment call number | 1.3.6.1.4.1.920.2.1.1 |
| ONU title | 1.3.6.1.4.1.920.2.1.2 |
| ONU type | 1.3.6.1.4.1.920.2.1.3 |
| ONU MAC Address | 1.3.6.1.4.1.920.2.1.4 |
| ONU Management VLAN ID | 1.3.6.1.4.1.920.2.1.5 |
| ONU management host IP | 1.3.6.1.4.1.920.2.1.6 |
| Group's word is read in ONU management | 1.3.6.1.4.1.920.2.1.7 |
| Group's word is write in ONU management | 1.3.6.1.4.1.920.2.1.8 |
| ONU ability entry | 1.3.6.1.4.1.920.2.2 |
| ONU PON port information table | 1.3.6.1.4.1.920.2.3 |
| ONU authenticated configuration table | 1.3.6.1.4.1.920.2.4 |
| ONU uni port attribute list | 1.3.6.1.4.1.920.2.5 |
| ONU VLAN allocation list | 1.3.6.1.4.1.920.2.6 |
| ONU QoS allocation list | 1.3.6.1.4.1.920.2.7 |
| ONU Multicast configuration table | 1.3.6.1.4.1.920.2.8 |
Table 1
Be described with a kind of concrete execution mode below, be under the execution mode of snmp protocol based on the first management agreement, first management agreement client 31 is responsible for the communication between logic entity 3 and management end 1, sends request by management end 1, and the first management agreement client 31 makes response.Snmp protocol has 5 kinds of type of messages: Get-Request, Get-Response, Get-Next-Request, Set-Request, Trap.Message format as shown in Figure 5.
The ONU type in the MIB of optical network unit 4 correspondence will be read as management end 1, then management end 1 sends Getrequest message to the first management agreement client 31, the OID{1.3.6.1.4.1.920.2.1.3} of the managed object of ONU type is inserted in the Name1 field of Variablebindings
First management agreement client 31 obtains ONU types value from the MIB of network element 4 correspondence of correspondence, is filled up in the corresponding Value1 field of ONU categorical variable in GetResponse message, and this response message is sent to management end 1.
Be described with a kind of concrete execution mode below, be snmp protocol based on the first management agreement, second management agreement is under the execution mode of OAM agreement, second management protocol proxy unit 33 is responsible for the intercommunication of logic entity 3 and optical network unit 4, between adopt OAM protocol extension message to carry out information interaction, OAM protocol extension message format is as shown in the embodiment of Figure 6.
In preferred embodiment, in OAM protocol extension message, command code definition is as shown in table 2.
| The command code (Ext.Opcode) of expansion | Value (16 system) | Describe |
| Reserved | 0x00 | Ignore |
| Extended Variable Request | 0x01 | For to ONU query expansion attribute |
| Extended Variable Response | 0x02 | Extended attribute is returned for ONU |
| Set Request | 0x03 | For configuring extended attribute/operation to ONU |
| Set Response | 0x04 | The confirmation to extended attribute/operative configuration is returned for ONU |
Table 2
In preferred embodiment, payload territory definable managed object in OAM protocol extension message, the preferred definition mode of one of payload territory definition is as shown in table 3.
| Field | Value | Describe |
| Branch | 0xC7 | Represent ONU management object |
| Leaf | 0x0001～0x00BF | Represent the various object properties of ONU |
| Variable Width | Attribute length | |
| Value | Property value |
Table 3
In preferred embodiment, managed object can carry out Get and Set operation, and in Leaf field, preferably definition mode is as shown in table 4 for the one of managed object.
| Describe | Leaf Code |
| ONU essential information | 0x0001～0x000F |
| ONU uni port configures | 0x0011～0x001F |
| ONU VLAN configures | 0x0021～0x002F |
| ONU QoS configures | 0x0031～0x003F |
| ONU Multicast configuration | 0x0041～0x004F |
Table 4
Be described with a kind of concrete execution mode below, be snmp protocol based on the first management agreement, second management agreement is under the execution mode of OAM agreement, the managed object of the first management agreement client 31 and the second management protocol proxy unit 33 is all based on MIB, but the protocol massages of two agency's employings is different with object identity, therefore between the first management agreement client 31 and the second management protocol proxy unit 33, need to realize OID and LeafCode mapping table, this mapping function is realized by conversion unit of protocol 34.When namely sending message arrangement optical network unit 4 from management end 1 to the first management agreement client 31, the first management agreement client 31 verifies the community community field in the message of snmp protocol, carries out authentication service based on community.If authentification failure, abandon this message, if authentication success, then think that informed source is reliable, then this SNMPPDU content is resolved, if get frame, then directly check the MIB of optical network unit 4 correspondence be managed and return getresponsePDU frame to management end 1, if set frame, then find the LeafCode of mapping in conversion unit of protocol 34 by OID, call the second management protocol proxy unit 33 and send OAM Extended Protocol SetRequest frame to the optical network unit 4 be managed, when the optical network unit 4 be managed is arranged successfully, by in the MIB of optical network unit 4 correspondence of amendment object attribute values write management, and the response frame of snmp protocol is sent to management end 1.
Technique scheme tool has the following advantages or beneficial effect: in technique scheme, the logic entity 3 that management end 1 is concentrated to the logic entity in light network terminal 2 by the first management agreement, the management of logic entity 3 pairs of management ends 1 transforms accordingly, make it to meet the second management agreement, further, logic entity 3 is managed optical network unit 4 by the second management agreement.Like this, whole network carries out holistic management by the first management agreement, overcomes EPON+EOC network in prior art and cannot carry out the defect of unified management to the network equipment.
The foregoing is only preferred embodiment of the present invention; not thereby embodiments of the present invention and protection range is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (10)
1. an optical network unit centralized management system, is applied to EPON+EOC network, and described EPON+EOC network comprises at least one Optical Network Terminal, and described Optical Network Terminal connects a plurality of optical network unit, it is characterized in that,
The management end that one is associated with one first management agreement is provided;
Described Optical Network Terminal connects described management end, and provides a logic entity collection, and the optical network unit that the logic entity that described logic entity is concentrated is connected with described Optical Network Terminal connects one to one respectively;
The described logic entity that described management end is concentrated by logic entity described in described first management protocol management;
The described logic entity concentrated of described logic entity by one second management agreement and according to the management of described management end, the corresponding described optical network unit connected of management.
2. optical network unit centralized management system according to claim 1, it is characterized in that, described management end is an Element management system.
3. optical network unit centralized management system according to claim 1, it is characterized in that, described optical network unit is single household equipment.
4. optical network unit centralized management system according to claim 1, described first management agreement is snmp protocol.
5. optical network unit centralized management system according to claim 1, described second management agreement is OAM agreement.
6. optical network unit centralized management system according to claim 1, it is characterized in that, described logic entity comprises:
Storage element, described storage element stores described first management agreement of coupling and the management information of corresponding described optical network unit;
First management agreement client, connect described management end and described storage element respectively, in order to receive the configuration-direct of described management end, and described management information corresponding in storage element according to described configuration instruction configures, and receive the information read requests of described management end, and in described storage element, read corresponding described management information according to described information read requests and be sent to described management end;
Management agreement converting unit, connect described storage element, in order to the described management information in described storage element to be converted into the first configuration information mating described second management agreement, and the second configuration information to be converted to the management information of mating described first management agreement and be stored into described storage element;
Second management protocol proxy unit, connect the described optical network unit of described management agreement converting unit and correspondence respectively, in order to described first configuration information is sent to described optical network unit based on described second management agreement, and described second configuration information receiving the transmission of described optical network unit is forwarded to described management agreement converting unit.
7. optical network unit centralized management system according to claim 7, is characterized in that, described storage element adopts tree structure to store described management information.
8. an optical network unit centralized management method, comprises some Optical Network Terminal, and described Optical Network Terminal connects a plurality of optical network unit, it is characterized in that,
There is provided the management end that is associated with one first management agreement, described management end at least connects an Optical Network Terminal;
Described management end is by the logic entity collection at least one Optical Network Terminal described in the first management protocol management;
The logic entity concentrated of described logic entity is by optical network unit corresponding to one second management protocol management.
9. according to Claim 8 shown in optical network unit centralized management method, it is characterized in that, also comprise the steps:
Step S1, described management end concentrate corresponding described logic entity by the described first management agreement described logic entity sent in configuration-direct to described Optical Network Terminal;
Described configuration-direct is converted into the first configuration information of corresponding described second management agreement by step S2, described logic entity;
Described first configuration information is sent to corresponding described optical network unit by described second management agreement by step S3, described logic entity.
10. according to Claim 8 shown in optical network unit centralized management method, it is characterized in that, also comprise the steps:
Steps A, described management end concentrate corresponding described logic entity by the described first management agreement described logic entity sent in read requests to described Optical Network Terminal;
Step B, described logic entity read corresponding described optical network unit to obtain corresponding second configuration information according to described read requests by described second management agreement;
Described second configuration information read is converted to the management information of mating described first management agreement by step C, described logic entity;
Described management information is sent to described management end by described first management agreement by step D, described logic entity.
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| WO2012000251A1 (en) * | 2010-06-29 | 2012-01-05 | 中兴通讯股份有限公司 | Software upgrading method and system for optical node in ethernet passive optical network |
| CN102739436A (en) * | 2011-04-05 | 2012-10-17 | 美国博通公司 | Unified network management system and method of hybrid fiber coaxial (hfc) network |
| CN103618636A (en) * | 2013-12-16 | 2014-03-05 | 陕西广电网络传媒（集团）股份有限公司 | Ethernet over coax (EOC) equipment self-discovery and self-configuration method based on Ethernet passive optical network (EPON) and EOC technology for integrated network management |
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