CN104378699A - Method for achieving communication in PON equipment - Google Patents
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Abstract
The invention provides a method for achieving communication in PON equipment. The method includes the steps that an IDB receives first request information sent by any function module; the IDB constructs first message data after receiving the first request information; a master agent receives and analyzes the first message data, judges sub-agents corresponding to the first message data and sends second request information including operation instructions to the corresponding sub-agents; the corresponding sub-agents process the corresponding sub-agents and sends obtained response information to the master agent; the master agent constructs second message data including the response information and transmits the second message data to the IDB; the IDB transmits the response information in the second message data to the function modules of the first request information. According to the method, communication among all the function modules is achieved through an Agent X; in addition, the IDB is additionally arranged in order to achieve communication between all the function modules, and communication between any function module and other function modules in the PON equipment can be achieved through the arrangement of the IDB.
Description
Technical field
The present invention relates to a kind of PON(EPON) realize the method that communicates in equipment, particularly relate to a kind of rack and in frame PON equipment, utilize AgentX(to expand agency) realize the method that communicates.
Background technology
Traditional SNMP(Simple Network Management Protocol, Simple Network Management Protocol) agency be called as one chip agency, there is no extensibility, some management objects pre-defined of the management that can only fix, and can not add in the process of management operating, delete management object.If the management object on managed network entity changes, it just must redesign the change realizing organize content on managed network entity.
AgentX meets above-mentioned requirements, and it is made up of two class handling procedures: a master agent and one or more sub agent.Master agent follows AgentX and snmp protocol, and it is responsible for maintenance table to provide sub agent and responsible MIB(management information bank thereof) corresponding relation in region.Sub agent direct control managed device, when a sub agent starts, it registers various mib area to master agent.Because sub agent does not know the SNMP even existence of other sub agent, therefore master agent is responsible for all possible conflict between sub agent and arbitrates, as a part for mediation service, master agent provides index assignment service and solves the overlap problem of mib area registration.
The general structure of AgentX expansion is:
SNMP engine: receive and send SNMP message, performing SNMP access control policy;
AgentX master agent and sub agent engine: receive and send AgentX-PDU(and expand agency-protocol Data Unit);
Management register machine: master agent is that sub agent creates session, registration MIB subtree OID(object identifier), index assignment.
Management and dispatching machine: master agent is converted into AgentX-PDU the SNMP packet parsing received, and judge to send to applicable sub agent according to the MIB subtree of registration, the AgentX-PDU that send is converted into SNMP message and transfers to SNMP engine to send to NMS(network management system).
Management application processor: establishment from sub agent to master agent application session with cancel, the registration of MIB subtree and cancellation, index assignment is distributed with separating.
General structure as can be seen from above-mentioned AgentX expands: SNMP module is coupled with AgentX module height, the packet of SNMP resume module is containing AgentX data structure, SNMP receives the message of NMS after treatment, the data of AgentX are sent to remain SNMP data, be AgentX-PDU by the management and dispatching machine of AgentX by SNMP data transformations, in AgentX inside modules treatment S NMP data, the expansion as SNMP realizes NMS by the management of SNMP to PON equipment.The mode realizing communicating in this NMS can only depend on the management that SNMP module and AgentX realize PON equipment, and other functional module and AgentX can not be adopted to realize managing PON equipment.
In sum, prior art realizes external equipment or system (as NMS) to the management of some functional modules in PON equipment by the combination of SNMP module and AgentX, and SNMP module can only be depended on, and other some functional modules cannot be relied on, therefore, there is not the communication how utilizing AgentX to realize in PON equipment between each functional module in prior art, if namely want to realize communication between each functional module in existing PON equipment, AgentX cannot be utilized to realize.
Summary of the invention
The technical problem to be solved in the present invention relies on SNMP module and AgentX realize the communication with PON equipment to overcome in prior art, and existing do not exist utilize AgentX to realize the defect communicated between each functional module, the method realizing communicating is provided in a kind of PON equipment, has and utilize AgentX to realize the function communicated between each functional module in PON equipment.
The present invention solves above-mentioned technical problem by following technical proposals:
The invention provides in a kind of PON equipment the method realizing communicating, its feature is, it comprises the following steps:
S
1, an IDB(Information Database, information database is an assembly in VxWorks, and VxWorks is the real time operating system that Wind River System company of the U.S. (be called for short Feng He company) releases.) receiving the first solicited message that arbitrary functional module sends, this first solicited message comprises operational order;
S
2, after this IDB receives this first solicited message, build the first message data and transfer to a master agent, wherein this first message data comprises the operating parameter of this first solicited message and sub agent;
S
3, this master agent receives and resolves this first message data, judges the sub agent that this first message data is corresponding, and sends to the sub agent of this correspondence the second solicited message that comprises this operational order;
S
4, this correspondence this second solicited message of sub agent process and the response message of acquisition is sent to this master agent;
S
5, this master agent builds and one comprises the second message data of this response message and transfer to this IDB;
S
6, this response message in this second message data transfers to and sends the functional module of this first solicited message by this IDB.
In the method for the realization communication of this programme, the communication realizing in PON equipment between each functional module by utilizing AgentX.And because existing AgentX can only depend on SNMP module could realize communication, so, this programme also sets up an IDB in order to the communication that can realize between each functional module, and the arbitrary functional module being arranged so that in PON equipment of this IDB can realize and communication in PON equipment between other functional module.That is, this programme not only realizes the communication between other functional module in SNMP module and PON equipment, also can realize the communication between other functional module, as ACL(AccessControl List, Access Control List (ACL)) module and QOS(Quality of Service, service quality) communication between module.
In this programme, this operational order refers to that this instruction shows to need to carry out which kind of operation, if this operational order can be the operational order that a functional module needs to read the IP address of another functional module to parts.The sub agent of this correspondence receives and after processing the second solicited message comprising this operational order, obtains this response message, and this response message comprises and performs information that this operational order obtains as obtained the IP address of another functional module.
Preferably, this first solicited message also comprises a sub agent title, in step S
3in, this master agent resolves this first message data, extracts this sub agent title, and send the second solicited message to the sub agent extracted from this first message data.
When this first solicited message comprises this operational order and this sub agent title, this master agent directly can extract this sub agent title from this first message data, and this master agent is just known and the second solicited message is sent to the sub agent extracted like this.
In addition, when only including this operational order in this first solicited message, this master agent receives and resolves this first message data to obtain sub agent corresponding to this first message data, namely this first solicited message comprised according to this first message data and this operating parameter, a sub agent can be determined uniquely by this first message data, namely there is one-to-one relationship between this first message data and sub agent, this master agent is after this first message data of parsing, just can obtain sub agent corresponding to this first message data, this master agent is just known and the second solicited message is sent to well-determined sub agent like this.
Preferably, in step S
2and S
3in, step S
2comprise: this IDB searches the log-on message that this first solicited message is corresponding after receiving this first solicited message in the registration area of this IDB, build this first message data;
Step S
3comprise: this master agent resolves this first message data, find the log-on message of this first message data in the registration area of this master agent after, create the mapping relations that IDB request is asked with AgentX, judge the sub agent that this first message data is corresponding, and send this second solicited message to the sub agent of this correspondence.
Registration area is stored in this IDB, this registration area stores a lot of log-on message, the information that the operating parameter that this log-on message comprises sub agent is registered as object identifier and other needs, this IDB searches log-on message corresponding to this first solicited message in its registration area, according to the operating parameter of the sub agent in the log-on message found and the integration of this operational order, construct one and comprise the operating parameter of sub agent and the first message data of this operational order.
Registration area is stored in this master agent, this registration area stores a lot of log-on message, the information that the operating parameter that this log-on message comprises sub agent is registered as object identifier and other needs, this master agent searches log-on message corresponding to this first message data in its registration area, according to the operating parameter of the sub agent in the log-on message found, create the mapping relations that IDB request ask with AgentX, namely ask uniquely to determine a concrete sub agent according to IDB.
Preferably, this operating parameter comprises object identifier, object name describes character string, action type and codomain buffering area;
This second solicited message also comprises object identifier, object name describes character string, action type and codomain buffering area.
Object identifier (also referred to as OID) is the numbering for identification of object class or attribute, is similar to the ID card No. of people.Object name describes character string and refers to and to be described object name with the form of character string.Action type comprises three kinds, is respectively the data of acquisition existing object, arranges the data of existing object and obtain the data of next object.After this master agent resolves this first message data, according to the operating parameter in this first message data and operational order, this master agent uniquely can determine which kind of type operations that the sub agent of specifying and the sub agent of specifying need to perform and concrete Action Target.
Preferably, in step S
1comprise the following steps before:
S
l, sub agent sends registration request to master agent, this master agent sets up the MIB subtree of sub agent registration in the registration area of this master agent;
S
m, this master agent to this IDB send registration request, this IDB registers the MIB subtree of sub agent in the registration area of this IDB.
Step S
lregistration process adopts is prior art, therefore just no longer set forth here.Although in the prior art, do not have and register in IDB, because of registration process (the step S in IDB
m) identical with the registration process in master agent, therefore, also no longer elaborate here, those skilled in the art is according to the registration process in the known IDB of the registration process in master agent.
Preferably, in step S
lcomprise the following steps before:
Sub agent sends TCP(transmission control protocol to this master agent) connection request;
After this master agent receives this connection request, set up TCP and connect, and in the chained list of TCP connection, record this TCP connection;
Sub agent sends to this master agent and creates session request;
This master agent is set up session, and record this session in session chained list after receiving this establishment session request.
Preferably, these mapping relations comprise object identifier, session id (identify label number) and current AgentX request ID.
Preferably, step S
5comprise: this master agent is determined to send the functional module of this first solicited message to this IDB after receiving this response message that this sub agent sends, and delete the mapping relations that current I DB request asks with AgentX.
Preferably, this IDB, with TCP/IP(transmission control protocol/Internet Protocol, has another name called network communication protocol) mode, message queue mode or pipe method receive this response message that this master agent sends.In this programme, the mode that this IDB receives this response message selects TCP/IP mode, message queue mode or pipe method, but skilled in the art will recognize that, the mode that this IDB of this programme receives this response message is not limited to the above-mentioned mode selected, and those skilled in the art also can adopt other communication mode to realize the reception of this IDB to this response message.
Preferably, this functional module is SNMP module, ACL module or QOS module.Those skilled in the art will appreciate that the functional module of this programme is not limited to above-mentioned listed module, also can be other functional module, as IGMP(Internet Group Management Protocol, Internet Group Management Protocol) module.
Positive progressive effect of the present invention is:
Of the present inventionly realize in the method for communication, the communication realizing in PON equipment between each functional module by utilizing AgentX.And because existing AgentX can only depend on SNMP module could realize communication, so, the present invention also sets up an IDB in order to the communication that can realize between each functional module, and the arbitrary functional module being arranged so that in PON equipment of this IDB can realize and communication in PON equipment between other functional module.
Accompanying drawing explanation
Fig. 1 is the flow chart of the registration process of each functional module in the PON equipment of the embodiment of the present invention 1.
Fig. 2 is the flow chart realizing the method communicated in the PON equipment of the embodiment of the present invention 1.
Fig. 3 is the flow chart of the QOS module of the embodiment of the present invention 1 and the communication structure of ACL intermodule.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
As shown in Figure 1, the present embodiment provides in a kind of PON equipment the method realizing communicating, and this PON equipment comprises multiple functional module, an IDB, a master agent and at least one sub agent corresponding with this master agent, and each sub agent correspondence controls there is a functional module.Before each functional module in PON equipment can realize communication, need the information first registering each functional module in this IDB and this master agent to make to exist in the registration area of this IDB and this master agent the log-on message of each functional module.Wherein, functional module can be SNMP module, ACL module or QOS module.
In registration area in this IDB and this master agent, the registration process of registering functional module information comprises the following steps:
Step 100, the sub agent corresponding with functional module send TCP connection request to this master agent;
After step 101, this master agent receive this connection request, set up TCP and connect, and in the chained list of TCP connection, record this TCP connection;
Sub agent corresponding to step 102, functional module sends to master agent and creates session request;
Step 103, this master agent are set up session, and record this session in session chained lists after receiving this establishment session request.
Sub agent corresponding to step 104, functional module sends registration request to this master agent, and this master agent sets up the MIB subtree of the sub agent registration of this correspondence in the registration area of this master agent;
Step 105, this master agent send registration request to this IDB, and this IDB registers the MIB subtree of the sub agent of this correspondence in the registration area of this IDB.
By above-mentioned step, just there is the log-on message of each functional module in registration area in this IDB and this master agent, this log-on message comprise object identifier, object name describes character string, action type, codomain buffering area and some other necessity registration information.And the process registering the information of each functional module in this master agent is prior art, just repeats no more here.In addition, although in the prior art, there is not the process of carrying out the log-on message registering each functional module in IDB, because the registration process in IDB is identical with the registration process in master agent, therefore, no longer elaborate here yet.
After there is the log-on message of each functional module in registration area in this IDB and this master agent, each functional module in this PON equipment just can realize communicating by IDB with AgentX, and concrete communication means comprises the following steps:
Step 201, this IDB receive the first solicited message that arbitrary functional module is sent, and this first solicited message comprises operational order and a sub agent title;
After step 202, this IDB receive this first solicited message, the log-on message that this first solicited message is corresponding is searched in the registration area of this IDB, build this first message data and transfer to this master agent, wherein this first message data comprises the operating parameter of this first solicited message and sub agent, wherein, this operating parameter comprises object identifier, object name describes character string, action type and codomain buffering area;
Step 203, this master agent receive and resolve this first message data, find the log-on message of this first message data in the registration area of this master agent after, create the mapping relations that IDB request is asked with AgentX, from this first message data, extract this sub agent title, and send to the sub agent extracted the second solicited message that comprises this operational order;
Step 204, this this second solicited message of sub agent process extracted the response message of acquisition is sent to this master agent;
After step 205, this master agent receive this response message that this sub agent extracted sends, determine to send the functional module of this first solicited message to this IDB, build one comprise the second message data of this response message and transfer to this IDB, delete the mapping relations that current I DB request is asked with AgentX simultaneously;
This response message in this second message data is transferred to the functional module sending this first solicited message by step 206, this IDB.
Wherein, this second solicited message also comprises object identifier, object name describes character string, action type and codomain buffering area, and these mapping relations comprise object identifier, session id and current AgentX asks ID.
And, in step 202., this IDB searches log-on message corresponding to this first solicited message in its registration area, according to the operating parameter of the sub agent in the log-on message found and the integration of this operational order, construct one and comprise the operating parameter of sub agent and the first message data of this operational order.
In step 203, this master agent searches log-on message corresponding to this first message data in its registration area, according to the operating parameter of the sub agent in the log-on message found, create the mapping relations that IDB request ask with AgentX, namely ask uniquely to determine a concrete sub agent according to IDB.
In the present embodiment, this IDB receives in TCP/IP mode this response message that this master agent sends.But skilled in the art will recognize that, the mode that this IDB of the present embodiment receives this response message is not limited to the above-mentioned mode selected, and those skilled in the art also can adopt other communication mode such as message queue mode or pipe method to realize the reception of this IDB to this response message.
The present invention is described, to enable those skilled in the art to understand the present invention better for a concrete example below:
In the design of ACL module and QOS module, ACL module is identical with the parameter of regularity of QOS module, can share same rule as required, in QOS module, therefore do not create the data of rule, but regular data is created in ACL module, reach the object of saving system resource with this.
Below with when configuring QOS module, QOS module uses the IP address of a certain rule in ACL module to be example, illustrate between QOS module and ACL module by AgentX realize communication idiographic flow, wherein, the communication structure of QOS module and ACL intermodule as shown in Figure 3:
This IDB2 receives the first solicited message that QOS module 1 is sent, and this first solicited message comprises operational order (reading the IP address of ACL module) and sub agent title (the sub agent title that ACL module is corresponding); After this IDB2 receives this first solicited message, the log-on message that this first solicited message is corresponding is searched in the registration area of this IDB2, build this first message data and transfer to this master agent 3, wherein this first message data comprises this first solicited message, object identifier, object name describe character string, action type and codomain buffering area etc.; This master agent 3 receives and resolves this first message data, find the log-on message of this first message data in the registration area of this master agent 3 after, create the mapping relations that IDB request is asked with AgentX, from this first message data, extract this sub agent title, and send to the sub agent 4 extracted the second solicited message that comprises reading IP address; The sub agent 4 of ACL module 5 correspondence processes this second solicited message and the ACL module I P address of acquisition is sent to this master agent 3; After the ACL module I P address that the sub agent 4 that this master agent 3 receives ACL module 5 correspondence sends, determine to send the functional module (i.e. QOS module) of this first solicited message to this IDB2, build one comprise the second message data of ACL module I P address and transfer to this IDB2, delete the mapping relations that current I DB request is asked with AgentX simultaneously; ACL module I P address in this second message data is transferred to the QOS module 1 sending this first solicited message by this IDB2.
Embodiment 2
In embodiment 1, this first solicited message comprises this operational order and this sub agent title, this master agent directly can extract this sub agent title from this first message data, and this master agent is just known and the second solicited message is sent to the sub agent extracted like this.And in the present embodiment, the method taked and embodiment 1 different, be specially: in the present embodiment, this operational order is only included in this first solicited message, this first solicited message comprised according to this first message data and this operating parameter, a sub agent can be determined uniquely by this first message data, namely there is one-to-one relationship between this first message data and sub agent, this master agent is after this first message data of parsing, just can obtain sub agent corresponding to this first message data, this master agent is just known and the second solicited message is sent to well-determined sub agent like this.
Therefore, the flow process part realizing communication means that the present embodiment is different from embodiment 1 is: only include this operational order in this first solicited message of the present embodiment, and step 203 is replaced with: this master agent receives and resolves this first message data to obtain sub agent corresponding to this first message data, find the log-on message of this first message data in the registration area of this master agent after, create the mapping relations that IDB request is asked with AgentX, and send to the sub agent obtained the second solicited message that comprises this operational order.
Of the present inventionly realize in the method for communication, the communication realizing in PON equipment between each functional module by utilizing AgentX.And because existing AgentX can only depend on SNMP module could realize communication, so, the present embodiment also sets up an IDB in order to the communication that can realize between each functional module, and the arbitrary functional module being arranged so that in PON equipment of this IDB can realize and communication in PON equipment between other functional module.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection scope of the present invention.
Claims (10)
1. realize the method communicated in PON equipment, it is characterized in that, it comprises the following steps:
S
1, an IDB receives the first solicited message that arbitrary functional module is sent, this first solicited message comprises operational order;
S
2, after this IDB receives this first solicited message, build the first message data and transfer to a master agent, wherein this first message data comprises the operating parameter of this first solicited message and sub agent;
S
3, this master agent receives and resolves this first message data, judges the sub agent that this first message data is corresponding, and sends to the sub agent of this correspondence the second solicited message that comprises this operational order;
S
4, this correspondence this second solicited message of sub agent process and the response message of acquisition is sent to this master agent;
S
5, this master agent builds and one comprises the second message data of this response message and transfer to this IDB;
S
6, this response message in this second message data transfers to and sends the functional module of this first solicited message by this IDB.
2. the method realizing communication as claimed in claim 1, it is characterized in that, this first solicited message also comprises a sub agent title, in step s3, this master agent resolves this first message data, from this first message data, extract this sub agent title, and send the second solicited message to the sub agent extracted.
3. the method realizing communication as claimed in claim 1, is characterized in that, in step S
2and S
3in, step S
2comprise: this IDB searches the log-on message that this first solicited message is corresponding after receiving this first solicited message in the registration area of this IDB, build this first message data;
Step S
3comprise: this master agent resolves this first message data, find the log-on message of this first message data in the registration area of this master agent after, create the mapping relations that IDB request is asked with AgentX, judge the sub agent that this first message data is corresponding, and send this second solicited message to the sub agent of this correspondence.
4. the as claimed in claim 3 method realizing communication, is characterized in that, this operating parameter comprises object identifier, object name describes character string, action type and codomain buffering area;
This second solicited message also comprises object identifier, object name describes character string, action type and codomain buffering area.
5. the method realizing communication as claimed in claim 3, is characterized in that, in step S
1comprise the following steps before:
S
l, sub agent sends registration request to master agent, this master agent sets up the MIB subtree of sub agent registration in the registration area of this master agent;
S
m, this master agent to this IDB send registration request, this IDB registers the MIB subtree of sub agent in the registration area of this IDB.
6. the method realizing communication as claimed in claim 5, is characterized in that, in step S
lcomprise the following steps before:
Sub agent sends TCP connection request to this master agent;
After this master agent receives this connection request, set up TCP and connect, and in the chained list of TCP connection, record this TCP connection;
Sub agent sends to this master agent and creates session request;
This master agent is set up session, and record this session in session chained list after receiving this establishment session request.
7. the method realizing communication as claimed in claim 3, is characterized in that, these mapping relations comprise object identifier, session id and current AgentX asks ID.
8. the method realizing communication as claimed in claim 3, is characterized in that, step S
5comprise: this master agent is determined to send the functional module of this first solicited message to this IDB after receiving this response message that this sub agent sends, and delete the mapping relations that current I DB request asks with AgentX.
9. the as claimed in claim 1 method realizing communication, is characterized in that, this IDB receives with TCP/IP mode, message queue mode or pipe method this response message that this master agent sends.
10. the method realizing communication as claimed in claim 1, it is characterized in that, this functional module is SNMP module, ACL module or QOS module.
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| CN109963171B (en) * | 2017-12-14 | 2021-01-05 | 腾讯科技（深圳）有限公司 | Multimedia information transmission method, transmission device and storage medium |
| CN111930540A (en) * | 2020-08-04 | 2020-11-13 | 北京字节跳动网络技术有限公司 | Communication method and device and electronic equipment |
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