CN1968283A - Network management system and method - Google Patents
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- CN1968283A CN1968283A CN 200610078582 CN200610078582A CN1968283A CN 1968283 A CN1968283 A CN 1968283A CN 200610078582 CN200610078582 CN 200610078582 CN 200610078582 A CN200610078582 A CN 200610078582A CN 1968283 A CN1968283 A CN 1968283A
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Abstract
The invention relates to a network manage system, which comprises user terminal for sending service request to corn module, and receiving feedback result; corn module for receiving the request and receiving the information reported from network unit; managed network unit for responding the service request of corn module and reporting order information to the corn module; the corm module comprises web service layer module, service manage layer module, service processing layer module, data storage layer module, access layer module which are interlayer managed. The invention also provides a relative manage method. The invention can improve system safety and flexibility without block.
Description
Technical field
The present invention relates to a kind of communication technology, relate in particular to a kind of system and method for network management.
Background technology
Along with the development of modern computer network, it is complicated more that computing network becomes, and the fusion of communication data net and computer network especially at present makes network management become complicated more.Owing to network failure or inefficacy that a variety of causes causes bring many inconvenience can for people's life, it is vital therefore keeping the normal operation of network, and this just requires network is carried out appropriate managerial.At present, the NMP of using in the computer network the most widely is Simple Network Management Protocol (SNMP).Defined a kind of manager one agency's administrative model in this agreement, the manager can be PC or work station etc., generally is positioned at the trunk of network or near the position of trunk, it is responsible for sending the instruction of bookkeeping, and receives the information from the agency.The agency is one or more processes that run on managed devices inside, and it is converted to the discernible instruction of this equipment coming from gerentocratic command request, finishes administration order or returns desired management information.The realization of network management system now mainly contains two kinds of schemes, a kind of is traditional relevant with platform based on C/S (Client/Server, client/server) the centralized management scheme of structure, another kind are the cross-platform distributed management schemes based on the C/S structure.Introduce this two kinds of Managed Solutions below respectively.
One, the Managed Solution relevant with platform
The Managed Solution relevant with platform originates in the early stage of network development, network management platform at that time all is the special exploitation of each network equipment vendor, equipment in network is mostly provided by a manufacturer, the realization of network management platform lays particular emphasis on performance and function aspects, they mostly use C/C++ to write, portable less demanding to platform.The centralization of C/S is generally adopted in this network management, finish whole Network Management Function (as performance management, configuration management, safety management, fault management etc.) by server end, these functions are placed in the process, handle in the inner mode of multithreading that adopts of process.Particularly, as shown in Figure 1, user terminal sends administrative messag by the agency of server in managed element, by the management of being implemented by the agency in the managed network element managed element.The personnel that are familiar with network management technology know that this structure is easy to cause the process load big, have greatly reduced the performance and stability of network management system.
Particularly, the shortcoming of this Managed Solution is as follows:
1) platform dependency.Network management system is with the equipment strong correlation of concrete producer, that is to say that the network management system of every kind of producer can only manage the communication equipment of own producer.Mainly be that graphical display technics and system function call on the different platform is incompatible, if cross-platform realization, just must the different system of exploitation two covers, this has just improved development cost and cycle.
2) performance is low.This mode will cause the system process load excessive, particularly when managed element centralized when network management sends alarm event or network management centralized when managed element carries out data acquisition, thereby owing to need take the performance that a large amount of network bandwidths, consumption of network resources etc. have greatly reduced network management system, even initiating system collapse.
3) very flexible.Because user terminal, server end all are hard codeds, when requirement change being arranged at every turn, all must remodify processes such as code, compiling connection and could realize requirement change, thereby can't satisfy various flexibilities and personalized demand.Described flexibility comprises the diversity etc. of flexibility, monitoring target and management object form of flexible selection, the networking mode of flexible customization, the module at interface.Personalized promptly relevant with the special applications of user place industry, also relation is arranged with user's use habit, way to manage etc.
4) poor reliability.When the server Single Point of Faliure, whole network management system can't be used.
5) the I﹠M cost height of system.This mode need be installed the user terminal program and could be used, and if the user want when particularly on remote machine, carrying out network management on many machines, many cover user terminal softwares must be installed simultaneously.In addition, when user terminal software goes wrong or upgrades, need to upgrade all user terminal software, this brings very big expense to system maintenance.
6) do not satisfy the cross-platform requirement of user terminal.In general, the operating system of user terminal is different, and the corresponding user terminal program also is different therewith.But, for user terminal program of every kind of operating system design also is unpractical.Buy a kind of new operating system and can make the client pay very big cost and require the client to abandon existing operating system.
Two, cross-platform Managed Solution
Along with the appearance of more communication providerses, trend variation in the source of equipment in the communication network; While increasingly sophisticatedization of network management requirement and CORBA (Common Object Request BrokerArchitecture, Common Object Request Broker Architecture) technology is progressively ripe, has produced a kind of distributed network management system of realizing with the CORBA technology.
As shown in Figure 2, network management structure with respect to above-mentioned single process, this distributed network management system remains the C/S structure, realizes that these CORBA objects can be distributed on the different servers and move but server end is divided into different CORBA objects according to function.This scheme has solved the problem of distributed network management, improved network performance to a certain extent, strengthened flexibility, but with regard to a certain concrete management function point (as the fault management), it remains traditional manager-proxy mode, as shown in Figure 3, and promptly, the manager is by the proxy management managed element, and still there are many problems in this management mode.Particularly, this Managed Solution has following shortcoming:
1) performance is low.All management roles all concentrate on manager's one end (the CORBA object on the server) under this mode, still exist the single-point load excessive, single-point communication bottleneck.Particularly when managed element centralized when network management sends alarm event or network management centralized during from the managed element image data, owing to need take a large amount of network bandwidths, consumption of network resources etc., thereby greatly reduce the performance of network management system.
2) poor reliability.The good reliability of neither one guarantees mechanism under this mode.When server end concrete CORBA object operational failure or fault, its corresponding service function can't provide.
3) showing interface very flexible.Because user terminal is a hard coded, all must remodifies code, compiling connection etc. at every turn when the interface requirement change is arranged and to realize requirement change, thereby can't satisfy various flexibilities and personalized demand.Here flexibility mainly is the flexible customization at interface.
4) the I﹠M cost height of system.This mode need be installed the user terminal program and could be used, and if the user want when particularly on remote machine, carrying out network management on many machines, many cover user terminal softwares must be installed simultaneously.In addition, when user terminal software goes wrong or upgrades, need to upgrade all user terminal software, this brings very big expense to system maintenance.
5) do not satisfy the cross-platform requirement of user terminal.In general, the operating system of user terminal is different, and the corresponding user terminal program also is different therewith.But, for user terminal program of every kind of operating system design also is unpractical.Buy a kind of new operating system and can make the client pay very big cost and require the client to abandon existing operating system.
Summary of the invention
The system and method that the purpose of this invention is to provide a kind of network management, it has professional platform independence, good opening, can expand, fail safe, and friendly interface.
The invention discloses a kind of network management system, comprising:
User terminal is used for sending service request to corn module, and receives the result that corn module is returned;
Corn module is used to receive the service request of user terminal, and receives the information that managed element reports;
Managed element is used to respond the service request of corn module, and reports predetermined information to corn module;
Described corn module comprises: Web service layer module, SML module, Business treatment module, Access Layer module, described Web service layer module, SML module, Business treatment module, Access Layer module adopt multi-zone supervision.
Described system also comprises: configuration file, it links to each other with corn module, comprises being respectively applied for CONFIG.SYS, interface description file and the authority configuration file of describing system, authority and interface formats in the network management system.
Be provided with the included functional object title of each stratum server in the described CONFIG.SYS, described service request comprises the webmaster operation information.
Described Web service layer module comprises at least one Web server, it links to each other with user terminal with the SML module, be used to receive the service request of user terminal, and judge according to CONFIG.SYS whether service request is handled by book server, if, then result is returned to user terminal, otherwise, with receive, discernible service request is sent to the SML module, the result who simultaneously the SML module is returned issues user terminal.
Described SML module comprises at least one service managing server, it links to each other with Web service layer module with the Business treatment module, be used to receive the service request of Web service layer module, and judge according to CONFIG.SYS whether service request is handled by book server, if, then result is returned to the Web user terminal, otherwise, with what receive, discernible service request is converted to concrete network management command and is issued to the Business treatment resume module, and described SML module also is used for the result after the Business treatment resume module is issued Web server layer module.
Described Business treatment module comprises at least one Service Process Server, it links to each other with the SML module with the Access Layer module, be used to receive network management command from the SML module, and judge according to CONFIG.SYS whether service request is handled by book server, if, then carry out concrete network management operation, then result is returned to the SML module, otherwise, with what receive, discernible, the SML module is handed down to the Access Layer module to the order of managed element, and described Business treatment module also is used for the information that the Access Layer module is returned is issued SML module or data storage layer module.
Described Access Layer module comprises at least one access server, it continues with managed element and links to each other with the Business treatment module, be used for the network management command of Business treatment is converted to the instruction that managed element can be discerned, and receive the predetermined information that managed element is sent, be the information of consolidation form then with these information translation.
Described Web layer service module also comprises: load-balanced server, it links to each other with Web server with user terminal, is used to receive the service request of user terminal, and according to the load sharing principle service request is assigned on the Web server.
Described corn module also comprises:
The data storage layer module, it links to each other with the Business treatment module, is used to store the predetermined information from managed element.
Described system also comprises: the name service module, it links to each other with corn module, is used to the CORBA object in the corn module that the name service is provided.
Described system also comprises: monitoring module, it links to each other with corn module, is used for monitoring the running status of corn module each several part, with the parameter adjustment corn module according to monitoring.
Described system also comprises: guard the monitoring module, it links to each other with configuration file, is used to monitor the variation of configuration file, and the configuration file that changes is updated in each server in the operating network management system.
Between user terminal and Web service layer module, adopt the interface of both acquiescences, at the interface that adopts both acquiescences between Web service layer module and the SML module, at the interface of both acquiescences of employing between SML module and the Business treatment module, at the interface of both acquiescences of employing between Business treatment module and the data storage layer module, the interface that between Business treatment module and Access Layer module, adopts both to give tacit consent to, the interface that between Access Layer module and managed element, adopts both to give tacit consent to.
The invention also discloses a kind of network management, comprising:
A, user terminal send service request to corn module;
Described corn module comprises: Web service layer module, SML module, Business treatment module, data storage layer module, Access Layer module; Described Web service layer module, SML module, Business treatment module, Access Layer module adopt multi-zone supervision;
B, corn module obtain the information of managed element according to the service request of CONFIG.SYS and user terminal;
C, corn module are successively returned the information of the managed element of acquisition to user terminal.
Described steps A also comprises: the interface that adopts both acquiescences between user terminal and Web service layer module, at the interface that adopts both acquiescences between Web service layer module and the SML module, at the interface of both acquiescences of employing between SML module and the Business treatment module, at the interface of both acquiescences of employing between Business treatment module and the data storage layer module, the interface that between Business treatment module and Access Layer module, adopts both to give tacit consent to, the interface that between Access Layer module and managed element, adopts both to give tacit consent to.
Described corn module also comprises load-balanced server, and described steps A specifically comprises:
User terminal sends service request to load-balanced server;
Load-balanced server is assigned to service request on the Web server according to the load sharing principle.
Described step B also comprises:
Corn module will be from the information stores of managed element in the data storage layer module.
Be provided with the included functional object title of each stratum server in the described CONFIG.SYS, described service request comprises the webmaster operation information.
Described step B specifically comprises:
B1, Web service layer module judge that according to CONFIG.SYS service request is whether by the server process of this layer, if then this stratum server is handled service request, and result sent to user terminal, ending said process then, otherwise, service request is issued the service management module;
B2, service management module judge according to CONFIG.SYS whether service request is handled by the service managing server of this layer, if, then the service managing server of this layer is handled service request, and result issued Web service layer module, otherwise, service request is issued Service Processing Module;
B3, Service Processing Module judge according to CONFIG.SYS whether service request is handled by the Service Process Server of this layer, if, then the Service Process Server of this layer is handled service request, and result issued the service management module, otherwise, service request is issued the Access Layer module;
B4, Access Layer module are converted to the form that managed element can be discerned with service request, and service request is issued managed element.
According to the present invention, the present invention has following beneficial effect:
(1) professional platform independence.Because this network management system is based on the CORBA technology, the system that develops has real professional platform independence.User terminal directly adopts standard browser, to the operation platform of user terminal without any restriction.
(2) enhanced scalability.Can realize the noiseless upgrading of system aspect hardware and software two.If over-burden for Business treatment module or SML module or Web service layer module, can append corresponding processing server, system can realize load sharing automatically, thereby has strengthened the disposal ability of whole network management system.If new business demand is arranged,, exploitation just can be integrated into easily in the existing network management system by configuration file as long as meeting the new business process object of CORBA standard.
(3) high security.Data storage layer can only be conducted interviews by Business treatment, and the visit here must pass through safety certification, and other layer can not be visited, and there is not the logic association with data storage layer in the Web user terminal yet, has so just avoided user's unauthorized access.Adopt the interface of acquiescence between user terminal and Web service layer module, Web service layer module and SML module, SML module and Business treatment module, Business treatment module and data storage layer module, Business treatment module and the Access Layer module separately, pass through the mode of information Control layer by layer like this, can effectively prevent from malicious attack and information theft on the automatic network, effectively guarantee the fail safe of network management system.In addition, system carries out control of authority by the authority configuration file to each interface and operation thereof, and this has just limited the illegal use to system function module, thereby has guaranteed the safety of whole system.
(4) high reliability.What the present invention adopted in corn module is the multiple servers redundancy scheme, if when wherein a station server breaks down, all the other servers with identical function can substitute work immediately, thereby the Single Point of Faliure problem has been avoided in not interrupting of assurance system handles.In addition, the monitoring module in the present networks management system can real-time detecting system service state and take place to recover immediately when unusual in service.
(5) high-performance.What network management system of the present invention adopted is the distributed frame and the load balancing strategy of multiserver, by this technology, system can dynamically distribute the processing flow between each server, realize sharing and utilizing efficiently resource, avoid the single-point performance bottleneck, improved the disposal ability of whole system.
(6) be easy to upgrading and safeguard.User terminal only needs browser, need not to be configured and upgrade.Server end adopts distributed component structure and XML (the Extensible Markup Language, Extensible Markup Language) file to carry out all business functions and interface definition in the network management system.Adopt this structure, when network management requirement changes, only need change corresponding business assembly and configuration file, need not other parts are changed, need not whole system is compiled, need not to restart system, need not to distribute again the client and use change, the interpolation of new business and the abandoning of old service that just can realize existing business, thereby satisfy different network management change request at an easy rate.
(7) friendly interface.The user terminal interface is based on Web's, and it is more direct than the network management interface of legacy application, be easier to use.In addition, the pages such as the present invention can dispose for different users and different land, nullify, success or failure, thus satisfy the personal needs of different user, improve user's user satisfaction.
(8) convenience.The Web's that described network management system is based on, can allow the network management personnel to use any Web browser, conveniently on any node of network promptly dispose, bookkeepings such as control and access, changed the pattern that in the past can only be confined to carry out on the network management workstation network management.
(9) cost of reduction network management.Right and wrong Changshu is known concerning the network management user for the browser operation and the Web page, and this will reduce the expense of user training greatly, has promoted more user to go to utilize network management system to come supervising the network again simultaneously, reduces the network operation maintenance cost.In addition, because network management core calculations and storage are all on Web server, service managing server, Service Process Server, data storage server, Web browser only need have the general machine in an amount of space, thereby makes the client just can supervising the network on the client computer of simple cheap.
(10) reduce development cost.The logic of median surface of the present invention presentation logic and network calculations is separated, the personnel that are responsible for interface development so do not need to be grasped the network management complex logic and just can finish page development work, make the foreground developer separate fully, thereby guaranteed high efficiency and exploitation cheaply with backstage developer's work.
Description of drawings
Fig. 1 shows the centralized management scheme based on the C/S structure;
Fig. 2 shows the cross-platform distributed Managed Solution based on the C/S structure;
Fig. 3 shows manager-agency's structural representation;
Fig. 4 shows the structure chart of network management system functional module of the present invention;
Fig. 5 shows the physical connection figure of network management system of the present invention;
Fig. 6 shows the position of monitoring module in the network management system of the present invention;
Fig. 7 shows the startup flow process of network management system of the present invention;
Fig. 8 shows the flow process that stops of network management system of the present invention;
Fig. 9 shows the business processing flow of network management system of the present invention.
Embodiment
Understand and realization the present invention the existing embodiments of the invention of describing in conjunction with the accompanying drawings for the ease of persons skilled in the art.
The invention discloses a kind of network management system.Described network management system is a kind of cross-platform distributed multitiered network management system based on Web, referring to Fig. 4, on logic function, network management system of the present invention comprises user terminal, corn module, name service module, monitoring module, guards and monitor module, configuration file and managed element.Referring to Fig. 5, on physical structure, network management system of the present invention comprises managed element, some access servers, plurality of data storage server, some Service Process Server, some service managing servers, some Web servers, load-balanced server, user terminal and the transmission line between them.
Described user terminal is used for sending service request to corn module, and receives the result that corn module is returned.Described corn module is the core processor of whole network management system, is responsible for required various functions in the network management, as functions such as the configuration management in the network management system, performance management, alarm managements.This module specifically comprises 5 submodules: Access Layer module, data storage layer module, Business treatment module, SML module, Web service layer module.Described name service module can provide the name service based on the standard that CORBA provides, for the CORBA object in the corn module provides name service functional, by the name service module, can retrieve corresponding object reference according to object oriented, thereby realize transparent access the CORBA object.Described monitoring module provides monitoring function for corn module, so that guaranteeing network management system can move steadily in the long term, conscientiously guarantee the reliability of network management system, for example, adopt the mode of time poll to monitor whether the process on each server is in normal operating condition in the corn module.Particularly, monitoring module is if find that monitored process is in normal operating condition and just enters the next poll phase automatically; If detecting monitored process has withdrawed from and has just restarted it.Monitored process still withdraws from after having restarted certain number of times, at this moment may be that operating system is out of joint, the process that will monitor of repeated priming simply, therefore, need restarting operating systems, so that environmental parameter in the operating system etc. is reinitialized, and then moves monitored process.Described guarding monitored the variation that module is used for monitoring configuration file in the network management system, simultaneously these change dynamics flushed in the operating network management system, thus the hot plug of realization network management function.Described configuration file is the XML form, and it has described deployment architecture and the incidence relation thereof in the network management system.By dynamic customization and renewal to configuration file, the flexible expansion that can realize Network Management Function with delete.Configuration file is the information source of the normal operation of network management system.Described managed element is used to respond the service request of corn module, and reports predetermined information to corn module.
Described service request comprises user name, password and accession number and such as the webmaster operation information of inquiry network element running status.Described webmaster operation information comprises order and parameter, and described order is the method or the attribute of the submodule title+functional object title+functional object of corn module.When the functional object title is unique in network management system of the present invention, can omit the submodule title of corn module, be FORM as functional object, attribute is Title, then order can be: FORM.Title=" You Are Good ".
Described corn module comprises: the Access Layer module, it directly links to each other with managed element by local area network (LAN) or wide area network, and link to each other with the Business treatment module, network management system mail to managed element order (as obtain the network element running status order, start the order of network element etc.) and managed element returns to the information of network management system, and (described information is the result of mentioned order execution, as ' the network element operation is normal ', ' network element starts successfully '), all to pass through the Access Layer module; The data storage layer module links to each other with the Business treatment module, mainly is responsible for the permanent storage of data in the network management system; The Business treatment module, it links to each other with Access Layer module, database storage layer module, and link to each other with the SML module, be used to receive from the order of SML module and carry out concrete network management operation, the SML module is handed down to the Access Layer module to the order of managed element, and the information that the Access Layer module is returned is issued SML module or data storage layer module simultaneously; The SML module, it links to each other with Web service layer module with the Business treatment module, be used to receive the request of Web service layer module, and these requests are converted to concrete network management command are issued to the Business treatment resume module, the result after the Business treatment resume module is passed to Web server layer module; Web service layer module, it links to each other with the SML module, and it is mutual with Web load-balanced server or user terminal browser, be used to receive the request of user terminal and these requests are sent to the SML module, simultaneously the result after the SML resume module is passed to the user terminal browser with the form of webpage, Web service layer module can link to each other with many user terminal browsers.
In above-mentioned corn module, adopted the module of multi-zone supervision, promptly, the request of user terminal is at the process load-balanced server, Web service layer module, the SML module, the Business treatment module, when Access Layer module or data storage layer module, can only pass through successively, wherein a certain module cannot jump, but can be in Web service layer module, the SML module, the Business treatment module, the data storage layer module finishes after treatment, then result opposite order when sending with user terminal requests is returned along former road, returned user terminal at last.
Described Access Layer module is made up of one or more access server, and each access server is connected with one or more Service Process Server of Business treatment.Have in every physics access server and be positioned at its front end, directly and the adapter that continues of each managed element by local area network (LAN) or wide area network.The corresponding CORBA object of the adapter here, it starts along with the startup of place physical machine.Described adapter is used for the different communication protocol of various managed element is converted to the network management information of consolidation form, and described consolidation form can define voluntarily, or adopts existing communication protocol.For example, the MMS center network element reports predetermined information by snmp protocol to access server, and the adapter of access server is converted to the predetermined information of snmp protocol form the predetermined information of the consolidation form that the internal agreement of this network management system supports; The WAP gateway network element is by CMIP (Common Management Information Protocol, CMIP) agreement reports predetermined information to access server, the adapter of access server is converted to the predetermined information of the consolidation form that the internal agreement of this network management system supports with the predetermined information of CMIP protocol format, and access server is issued the Business treatment module with the predetermined information of the internal agreement consolidation form of this network management system then; While is converted to the agreement that managed element can be discerned to the network management command of the consolidation form that the Business treatment module is sent, and plays the effect of protocol adaptation conversion.
Described data storage layer module is become by one or many database servers group, and each database server is connected with all Service Process Server in the Business treatment module.Data base management system and network management database are installed on each database server.Described data storage layer module is used to store the predetermined information from managed element, comprising: performance information, configuration information, charge information, security information, warning information.
Described Business treatment module is made up of one or more Service Process Server, and each Service Process Server is connected with one or more service managing server of SML.Here every Service Process Server all possesses status or function of equal value, service can externally be provided separately and need not other server auxiliary.Each Service Process Server is made up of the functional module that task parsing module, order issue module, packing data module, database access module and multiple execution network management concrete operations.Each module all is a CORBA object.Described task parsing module is responsible for resolving from the request of task management layer module and with these requests and is distributed to concrete functional module execution; The webmaster order that described order issues the consolidation form after module is carried out each functional module is handed down to the Access Layer module; Described packing data module is responsible for the result after the functional module processing is packaged as the data format of standard and returns to the SML module; Described database access module is responsible for providing the standard database operation as database connection, inquiry, renewal etc.; Described functional module is used to finish the required network management operation function of network management, as safety management function, configuration management function, fault management etc.
Described network management operation function comprises: fault management, be used for detection, fast location, isolated fault point and function such as repair to the managed element fault, and the while can in time be notified relevant user with fault and result; Configuration management is used to organize managed network running resource needed and data, guarantees the basic configuration of network, monitor the configuration of operation and change configuration, system parameters is set, collect and store each parameter according to concrete condition, the report and the deviation of basic configuration value are started and are closed network element etc.; Accounting management, the various resources that the expenses standard that is used for setting according to NMS user is used service-user are chargeed and are left notics of charge; Performance management, be used to measure the performance index of managed network and various network elements,, measure and generally carry out continuously as throughput, service quality, the grade of service, delay character etc., and output statistical analysis report under unusual or mis-behave situation, notify relevant user simultaneously; Safety management is used to guarantee that managed network normally moves, and information is not stolen and destroyed by the external world, comprises encrypting etc. in the checking of the legal identity of sending and receiving side and access control, the net.
Described SML module is made up of one or more service managing server, and every service server all possesses status and function of equal value here, service can externally be provided separately and need not other server auxiliary.Each service managing server is connected with one or more Service Process Server of Business treatment.
Described SML module is responsible for network management task is distributed to the Business treatment module, and controls the running of Business treatment module, Web service layer module.A task parsing module, task distribution module, packing data module, command control module are arranged on each service managing server, and each module is exactly a CORBA object.These modules start along with the startup of place physical machine.Described task parsing module is responsible for analyze, discern the back from the service request of Web service layer module the CORBA call request that legal request is converted to standard being given to the task distribution module; Described task distribution module is responsible for the CORBA request from the task parsing module is distributed to the Business treatment module; Described packing data module is responsible for the result from Business treatment is packaged into the standard data format that Web service layer module can be discerned; Described command control module be responsible for initiating each functional module in the SML module startup, stop and the query State order, be responsible for to initiate each functional module in the Business treatment module startup, stop and the query State order, be responsible for to initiate Web service module, Web load balancing service in the Web service layer module startup, stop and the query State order, be responsible for to initiate adapter in the Access Layer module startup, stop and the query State order, and these orders be sent on the different physical machines carry out.
Described Web service layer module is made up of one or more Web server, and each Web server is connected with one or more service managing server.Here every Web service server all possesses status and function of equal value, service can externally be provided separately and need not other server auxiliary.
Described every Web server comprises Web service module, interface representational framework module, interface card module and task distribution module.Described Web service module mainly provides HTTP and CORBA service, and for interface representational framework module, interface card module provide Web running environment, it starts along with the startup of the physical machine at place.Described interface representational framework module provides the interface to represent platform, is used to hold, manages, controls the interface card module.Described interface card module is finished basic function interface presentation function in the network management, these card modules can be configuration management interface module, safety management interface module, fault management interface module, performance management interface module or accounting management interface module, also can be user-defined showing interface modules.The physical support of all interface card modules is to comprise HTML, JSP, java class, XML file etc. at interior web page files bag, and these file bags provide independently, unified homophony interface.The task distribution module here is responsible for the CORBA request from the Web service module is distributed to the SML module, specifically is to select a notst busy service managing server as target machine.
Described Web service layer module also is provided with a load-balanced server.The load-balanced server here is the control and the distributor of Web service layer module, this server is all at first arrived in all users' Web request, server is assigned to request in certain practical Web server according to the busy extent of each Web server thus then, and external disclosed domain name and IP address all are this servers.Here explanation is, under the few situation of network management user, this load equalizer can save, and in this case, the function of load equalizer just is integrated in certain practical Web server, at this moment the user directly and Web server carry out alternately.
Referring to Fig. 4, described network management system also is provided with the monitoring module of its each server processes of monitoring, moves steadily in the long term so that guarantee network management system.Fig. 6 is the detailed structure view of this monitoring module.
Referring to Fig. 6, described monitoring module comprises: the independent access server monitoring module that is provided with, is connected and monitors its process with access server; The independent database server monitoring module that is provided with, is connected and monitors its process with database server; The independent Service Process Server monitoring module that is provided with, is connected and monitors its process with Service Process Server; The independent service managing server monitoring module that is provided with, is connected and monitors its process with service managing server; The independent Web server monitoring module that is provided with, is connected and monitors its process with Web server; The independent load-balanced server monitoring module that is provided with, is connected and monitors its process with load-balanced server.
Relation between described monitoring module and the monitored server is supervisor and monitored person's a relation, and communication between the two is that the inter-process communication mechanisms that adopts operating system to provide realizes.
Referring to Fig. 4, also comprise the name service module that is used to store all object orienteds and object reference thereof in the described network management system.This name service module is based on the standard name service that CORBA provides, and it has been stored all with the form of bibliographic structure and has been registered in object oriented and its object reference of the CORBA object in this network management system.By the name service module, can retrieve corresponding object reference according to object oriented, thereby realize transparent access the CORBA object.
Described configuration file comprises CONFIG.SYS, interface description file and authority configuration file.
The information of described Web service layer module, SML module, Business treatment module, data storage layer module, Access Layer module all is configured in the concentrated CONFIG.SYS.Wherein adopt the mode of classification to be configured, the first order is above-mentioned 5 modules configured items, for these modules, its configuration information mainly contains the information of all physical servers that module title, module level and each module thereof comprise, and this configuration information has just determined what physical servers will be this layer module will operate on.The second level is the configuration information of physical server, and it comprises title, IP address and the included functional module information thereof of physical server, and the configuration information of physical server has determined which type of function this server will realize.The third level is the configuration information of functional module, it comprises the title, type of functional module, with interface message, the start-up parameter of other functional modules, stop parameter and the included operation information of this functional module, the configuration information of functional module determined the concrete operation of carrying out of this functional module and with the relation of other modules.The fourth stage for the operation configuration information, it comprise operation title, sign, call parameters, whether need the processing sign of next layer function module etc.The configuration information of operation has determined the handling process of service request.
For the startup of finishing network management system with stop, each module stopped order when the boot sequence of each module and system stopped when also being provided with system initialization in the described CONFIG.SYS.
By described CONFIG.SYS, can solve problems such as existing network management system can not realize that dynamic-configuration, functional module can not be dismantled arbitrarily and make up, thereby realize the flexible configuration of network management system, the combination in any and the dismounting of functional module, and then improve the customization enabling capabilities of network management system.
The configuration information of described interface card module is arranged in the interface description file (the XML form) by function type.Each function interface classification is assigned with corresponding interface and represents interval (as an integer range), a concrete integer in the corresponding integer range in the interface that wherein any is concrete, this integer can play the effect of interface plug-in unit sign (interface plug-in unit ID), represent that at this interface can there be a plurality of integers in the interval, each integer correspondence a kind of function interface.As the configuration management function interface is defined as [1000..1999], orientate the performance management interface as [2000..2999] etc.By this interface description file, all interfaces of determining are defined and describe, simultaneously new interface reservation process interface for increasing in the future.The interface description file here, the first order is the configuration information of interface type, comprise interface type and corresponding integer range, the second level is concrete interface information, the information such as background function module that comprise concrete interface I D, access parameter, correspondence, the third level is concrete operation information, comprises the information such as background function object of concrete trigger event, call parameters, correspondence.
The network management user is arranged in the authority configuration file with the configuration information of have operating right.Described authority configuration file is the file of classification, and the described configuration file first order is a user profile, comprises user's name, customer identification number etc., the second level is the interface information that is had, comprise interface I D etc., the third level is the operation information that is had, and comprises action name, sign etc.
CONFIG.SYS, interface description file and authority configuration file also be provided with guard the monitoring module.Described guarding monitored the variation (as additions and deletions physical server or functional module etc. in the CONFIG.SYS) that module is responsible for monitoring each configuration file, and the parsing of the configuration file after will changing reads in the memory object.When each module of network management system is idle relatively, guard the monitoring module and just these configuration variation are dynamically updated on the physical server of correlation module, do not need to restart any server during this, thereby realize the hot plug of Network Management Function.
Referring to Fig. 7, the start-up course of network management system of the present invention is described below.
Step 701, startup name service module.
Step 702, start any service managing server at SML module place, and start each functional module on this station server successively according to boot sequence.
Command control module in step 703, the service managing server reads the boot sequence of Business treatment corresponding physical server info and each functional module of Business treatment from configuration file.
Step 704, choose a Service Process Server, start these functional modules successively according to the boot sequence of each module in the Business treatment according to the physical server information of obtaining in the step 703.Repeat this step, all start up to all Service Process Server and finish.
The database server information of the reading of data accumulation layer correspondence from configuration file of the command control module in step 705, the service managing server and the boot sequence of this each functional module of layer.
Step 706, the physical server information of obtaining according to step 705 are chosen a database server, start these functional modules successively according to the boot sequence of each module in this layer.Repeat this step, all start up to all database servers and finish.
Command control module in step 707, the service managing server reads the boot sequence of access server information and this each functional module of layer of Access Layer correspondence from configuration file.
Step 708, the physical server information of obtaining according to step 707 are chosen an access server, start these functional modules successively according to the boot sequence of each module in this layer.Repeat this step, all start up to all access servers and finish.
The Web server information of the reading Web service layer correspondence from configuration file of the command control module in step 709, the service managing server and the boot sequence of this each functional module of server.
Step 710, the physical server information of obtaining according to step 709 are chosen a Web server, start these functional modules successively according to the boot sequence of each module in this server.Repeat this step, all start up to all Web servers and finish.
The load-balanced server of step 711, startup Web service layer.
Step 712, judge whether that in addition other service managing server is not activated, if having, execution in step 713, otherwise, execution in step 714.
Other service managing servers of step 713, selection SML start this service managing server then, and return step 712.
Step 714, start each monitoring module successively.
The monitoring module is guarded in step 715, startup.
Referring to Fig. 8, the stopped process of network management system of the present invention is described below.
Referring to Fig. 9, describe service request processing procedure in the network management system of the present invention below in detail.
Described service request comprises that user name, password and accession number and webmaster operation information are as inquiring about the running status of network element, described webmaster operation information comprises order and parameter, and described order is the method or the attribute of the submodule title+functional object title+functional object of corn module.When the functional object title is unique in network management system of the present invention, can omit the submodule title of corn module, be FORM as functional object, attribute is Title, then order can be: FORM.Title=" You Are Good ".When user name, password and the accession number of preserving on user name, password and accession number and the load-balanced server are corresponding, represent that then this request is legal, otherwise show that this request is illegal.
Result after step 912, Service Process Server will be handled or with the mutual result of database service layer module packing after issue service managing server, execution in step 909 then.
Access server the notst busy in step 913, the selection Access Layer module, and service request is issued the access server of selection.
The result that step 916, managed element will be handled is transmitted back to the access server of Access Layer module.
The information translation that the access server of step 917, Access Layer module returns managed element is the standard data format that network management system can be handled, then it is returned to the operational processor of Business treatment module, follow execution in step 912, till the result that managed element is returned sends to user terminal.
According to the present invention, the corba interface that between user terminal and Web service layer module, except the http protocol that adopts standard, also adopts both to give tacit consent to, between Web service layer module and SML module, adopt the interface of both acquiescences, between SML module and Business treatment module, adopt the interface of both acquiescences, between Business treatment module and data storage layer module, adopt the interface of both acquiescences, between Business treatment module and Access Layer module, adopt the interface of both acquiescences, between Access Layer module and managed element, adopt the interface of both acquiescences.The interface of acquiescence can be identical between above-mentioned each layer, also can be different, and in principle as long as can discern mutually between two-layer, the interface of giving tacit consent between two-layer can also change at any time.Like this, have only information flow, just can be accepted, handle then, thereby prevented as the illegally attacks of TSR such as hacker, the fail safe that has improved system by normal channel.
Therefore, according to the present invention,, the invention provides a kind of general, open, extendible frame system from basic frame system aspect.Secondly, for maximum range of choice is provided to the user, the present invention designs on the basis based on the framework of open standard (CORBA), has platform-neutral, as both supporting Unix operating system, supports Windows, (SuSE) Linux OS again.Simultaneously, the adapter in the Access Layer module can be supported measured NMP, as SNMP and CMIP, also can support TCP/IP protocol suite and other some proprietary network protocol.
Particularly, the present invention has following beneficial effect:
(1) professional platform independence.Because this network management system is based on the CORBA standard, the system that develops has real professional platform independence.User terminal directly adopts standard browser, to the operation platform of user terminal without any restriction.
(2) enhanced scalability.Can realize the noiseless upgrading of system aspect hardware and software two.If over-burden for Business treatment module or SML module or Web service layer module, can append corresponding processing server, system can realize load sharing automatically, thereby has strengthened the disposal ability of whole network management system.If new business demand is arranged,, exploitation just can be integrated into easily in the existing network management system by configuration file as long as meeting the new business process object of CORBA standard.
(3) high security.Data storage layer can only be conducted interviews by Business treatment, and the visit here must be through safety certification, other layer can not be visited, and there is not the logic association with data storage layer in the Web user terminal yet, has so just avoided user's unauthorized access.Adopt the interface of acquiescence between user terminal and Web service layer module, Web service layer module and SML module, SML module and Business treatment module, Business treatment module and data storage layer module, Business treatment module and the Access Layer module separately, pass through the mode of information Control layer by layer like this, can effectively prevent from malicious attack and information theft on the automatic network, effectively guarantee the fail safe of network management system.
In addition, system is authorized each interface and operation thereof by the authority configuration file, and this has just limited the illegal use to system function module, thereby has guaranteed the safety of whole system.
(4) high reliability.What the present invention adopted in corn module is the multiple servers redundancy scheme, if when wherein a station server breaks down, all the other servers with identical function can substitute work immediately, thereby the Single Point of Faliure problem has been avoided in not interrupting of assurance system handles.In addition, the monitoring module in the present networks management system can real-time detecting system service state and take place to recover immediately when unusual in service.
(5) high-performance.What network management system of the present invention adopted is the distributed frame and the load balancing strategy of multiserver, by this technology, system can dynamically distribute the processing flow between each server, realize sharing and utilizing efficiently resource, avoid the single-point performance bottleneck, improved the disposal ability of whole system.
(6) be easy to upgrading and safeguard.User terminal only needs browser, need not to be configured and upgrade.Server end adopts distributed component structure and XML file to carry out all business functions and interface definition in the network management system.Adopt this structure, when network management requirement changes, only need change corresponding business assembly and configuration file, need not other parts are changed, need not whole system is compiled, need not to restart system, need not to distribute again the client and use change, the interpolation of new business and the abandoning of old service that just can realize existing business, thereby satisfy different network management change request at an easy rate.
(7) friendly interface.The user terminal interface is based on Web's, and it is more direct than the network management interface of legacy application, be easier to use.In addition, the pages such as the present invention can dispose for different users and different land, nullify, success or failure, thus satisfy the personal needs of different user, improve user's user satisfaction.
(8) convenience.The Web's that described network management system is based on, can allow the network management personnel to use any Web browser, conveniently on any node of network promptly dispose, bookkeepings such as control and access, changed the pattern that in the past can only be confined to carry out on the network management workstation network management.
(9) cost of reduction network management.Right and wrong Changshu is known concerning the network management user for the browser operation and the Web page, and this will reduce the expense of user training greatly, has promoted more user to go to utilize network management system to come supervising the network again simultaneously, reduces the network O﹠M cost.In addition, because network management core calculations and storage are all on Web server, service managing server, Service Process Server, data storage server, Web browser only need have the general machine in an amount of space, thereby makes the client just can supervising the network on the client computer of simple cheap.
(10) reduce development cost.The logic of median surface of the present invention presentation logic and network calculations is separated, the personnel that are responsible for interface development so do not need to be grasped the network management complex logic and just can finish page development work, make the foreground developer separate fully, thereby guaranteed high efficiency and exploitation cheaply with backstage developer's work.
Though described the present invention by embodiment, those of ordinary skills know, without departing from the spirit and substance in the present invention, just can make the present invention that many distortion and variation are arranged, and scope of the present invention is limited to the appended claims.
Claims (19)
1, a kind of network management system is characterized in that, comprising:
User terminal is used for sending service request to corn module, and receives the result that corn module is returned;
Corn module is used to receive the service request of user terminal, and receives the information that managed element reports;
Managed element is used to respond the service request of corn module, and reports predetermined information to corn module;
Described corn module comprises: Web service layer module, SML module, Business treatment module, Access Layer module, described Web service layer module, SML module, Business treatment module, Access Layer module adopt multi-zone supervision.
2, network management system according to claim 1, it is characterized in that, described system also comprises: configuration file, it links to each other with corn module, comprises being respectively applied for CONFIG.SYS, interface description file and the authority configuration file of describing system, authority and interface formats in the network management system.
3, network management system according to claim 1 is characterized in that, described service request comprises the webmaster operation information, is provided with the included functional object title of each stratum server in the described CONFIG.SYS.
4, network management system according to claim 3 is characterized in that,
Described Web service layer module comprises at least one Web server, it links to each other with user terminal with the SML module, be used to receive the service request of user terminal, and judge according to CONFIG.SYS whether service request is handled by book server, if, then result is returned to user terminal, otherwise, with receive, discernible service request is sent to the SML module, the result who simultaneously the SML module is returned issues user terminal.
5, network management system according to claim 3 is characterized in that,
Described SML module comprises at least one service managing server, it links to each other with Web service layer module with the Business treatment module, be used to receive the service request of Web service layer module, and judge according to CONFIG.SYS whether service request is handled by book server, if, then result is returned to the Web user terminal, otherwise, with what receive, discernible service request is converted to concrete network management command and is issued to the Business treatment resume module, and described SML module also is used for the result after the Business treatment resume module is issued Web service layer module.
6, network management system according to claim 3 is characterized in that,
Described Business treatment module comprises at least one Service Process Server, it links to each other with the SML module with the Access Layer module, be used to receive network management command from the SML module, and judge according to CONFIG.SYS whether service request is handled by book server, if, then carry out concrete network management operation, then result is returned to the SML module, otherwise, with what receive, discernible, the SML module is handed down to the Access Layer module to the order of managed element, and described Business treatment module also is used for the information that the Access Layer module is returned is issued SML module or data storage layer module.
7, network management system according to claim 3 is characterized in that,
Described Access Layer module comprises at least one access server, it continues with managed element and links to each other with the Business treatment module, be used for the network management command of Business treatment is converted to the instruction that managed element can be discerned, and receive the predetermined information that managed element is sent, be the information of consolidation form then with these information translation.
8, network management system according to claim 4, it is characterized in that, described Web layer service module also comprises: load-balanced server, it links to each other with Web server with user terminal, be used to receive the service request of user terminal, and service request be assigned on the Web server according to the load sharing principle.
9, network management system according to claim 1 is characterized in that, described corn module also comprises:
The data storage layer module, it links to each other with the Business treatment module, is used to store the predetermined information from managed element.
10, network management system according to claim 1 is characterized in that, described system also comprises: the name service module, it links to each other with corn module, is used to the CORBA object in the corn module that the name service is provided.
11, network management system according to claim 1, it is characterized in that described system also comprises: monitoring module, it links to each other with corn module, be used for monitoring the running status of corn module each several part, with parameter adjustment corn module according to monitoring.
12, network management system according to claim 1, it is characterized in that described system also comprises: guard the monitoring module, it links to each other with configuration file, be used to monitor the variation of configuration file, and the configuration file that changes is updated in each server in the operating network management system.
13, according to one of them described network management system of claim 1-12, it is characterized in that, between user terminal and Web service layer module, adopt the interface of both acquiescences, between Web service layer module and SML module, adopt the interface of both acquiescences, between SML module and Business treatment module, adopt the interface of both acquiescences, between Business treatment module and data storage layer module, adopt the interface of both acquiescences, between Business treatment module and Access Layer module, adopt the interface of both acquiescences, between Access Layer module and managed element, adopt the interface of both acquiescences.
14, a kind of network management is characterized in that, comprising:
A, user terminal send service request to corn module;
Described corn module comprises: Web service layer module, SML module, Business treatment module, data storage layer module, Access Layer module; Described Web service layer module, SML module, Business treatment module, Access Layer module adopt multi-zone supervision;
B, corn module obtain the information of managed element according to the service request of CONFIG.SYS and user terminal;
C, corn module return the information of the managed element of acquisition to user terminal.
15, network management according to claim 14, it is characterized in that, described steps A also comprises: the interface that adopts both acquiescences between user terminal and Web service layer module, between Web service layer module and SML module, adopt the interface of both acquiescences, between SML module and Business treatment module, adopt the interface of both acquiescences, between Business treatment module and data storage layer module, adopt the interface of both acquiescences, between Business treatment module and Access Layer module, adopt the interface of both acquiescences, between Access Layer module and managed element, adopt the interface of both acquiescences.
16, according to claim 14 or 15 described network managements, it is characterized in that described corn module also comprises load-balanced server, described steps A specifically comprises:
User terminal sends service request to load-balanced server;
Load-balanced server is assigned to service request on the Web server according to the load sharing principle.
17, according to claim 14 or 15 described network managements, it is characterized in that described step B also comprises:
Corn module will be from the information stores of managed element in the data storage layer module.
According to claim 14 or 15 described network managements, it is characterized in that 18, be provided with the included functional object title of each stratum server in the described CONFIG.SYS, described service request comprises the webmaster operation information.
19, network management according to claim 18 is characterized in that, described step B specifically comprises:
B1, Web service layer module judge that according to CONFIG.SYS service request is whether by the server process of this layer, if then this stratum server is handled service request, and result sent to user terminal, ending said process then, otherwise, service request is issued the service management module;
B2, service management module judge according to CONFIG.SYS whether service request is handled by the service managing server of this layer, if, then the service managing server of this layer is handled service request, and result issued Web service layer module, otherwise, service request is issued Service Processing Module;
B3, Service Processing Module judge according to CONFIG.SYS whether service request is handled by the Service Process Server of this layer, if, then the Service Process Server of this layer is handled service request, and result issued the service management module, otherwise, service request is issued the Access Layer module;
B4, Access Layer module are converted to the form that managed element can be discerned with service request, and service request is issued managed element.
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