CN1684430A - Configurating data collecting system and its method in network management - Google Patents
Configurating data collecting system and its method in network management Download PDFInfo
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Abstract
This invention relates to a collection system for allocating data and a method in a network management system, which sets an allocation system table used in defining NC information models and describing different data allocation collecting aims, sets a refresh form plate and its analyzer to apply an analysis system to realize a unified solving plan for different kinds of NC data collections, applies the grammar definition to realize the design of the refresh form plate and applies an example of information model tree to realize collection of the form plate analyzer.
Description
Technical field
The present invention relates to network management technology, particularly the configuration data acquisition technique in the network management.
Background technology
In the quality system of computer network, network management is a key link, and the quality of network management also can directly influence the running quality of network.At present so long as the computer system that certain scale is arranged and network just needs network management to promote the high-efficient operation of network.With regard to the definition of itself, network management is adjusted network state by certain mode exactly, make network can be normally, operation efficiently.The purpose of visible network management is very clear and definite, makes the various resources in the network obtain utilizing more efficiently exactly, and when network breaks down, can in time make report and processing, thereby coordinates, keeps the efficient operation of network etc.
From point of practical application, network management mainly comprises aspect contents such as Topology Management, fault management, configuration management, performance management, service level managment and Help Desk.Wherein, Topology Management is found all devices in the network automatically, can correctly produce topology diagram and renewal automatically; Fault management is linked to each other the fault of all-network equipment, and fault is isolated and taked recovery measure; Configuration management provides follows the tracks of the ability that changes, and is all devices configuration, installation and the distribution software on the network; Performance management provides the ability of continuous monitoring network performance and resource location; Service level managment defines SLA between user and ISP, and checks whether the desired service of user is satisfied; Help Desk then setting up call is accepted the center, accepts from user's Trouble Report and the fault of finding network automatically, and solves fault through specific program.
Above-mentioned configuration management is a primary demand of field of network management, and its committed step is the collection of configuration data.Configuration server need be gathered and upgrade about by the relevant information of managed network element, gathers and the process upgraded must realize by distinct interface.The collection of configuration data is the infrastructure service part among the configuration management, is the prerequisite that all the other network management business are launched.
In recent years because the development of telecommunications causes Virtual network operator also more and more stronger to the demand of network management, the network management new demand is emphasized to be converted to information management from original NE management, so that make the Virtual network operator can be at heterogeneous networks, different time, use different information by different way, and this transformation has increased the collection difficulty of above-mentioned configuration data.
Meanwhile, along with the continuous fusion of computer technology, network technology and mechanics of communication, unified, comprehensive network management demonstrates importance just day by day.For example in telecommunication environment, safeguarded by different departments that information can not be shared respectively at transmission network, local network, IP data network, telephone network etc. in the past.And user and operation commercial city require a plurality of interconnected networks to be managed by a control desk, only set up Integrated Network Management systems multi-vendor, many technical fields, just can suit the requirements.Therefore in the network management system of a new generation, begun from the management of network-oriented equipment excessive to the management of network-oriented business.This network management thought network serve, professional as network management object, by the real-time monitoring equipment relevant, application with Network, service quality by the real-time Measurement Network business of simulation client, business datum by the collection network business, realize purpose comprehensive, various visual angles monitoring network service operation situation, thereby realize fault management, performance management and the configuration management of Network.
This shows, the particularly network management of across a network system and the appearance that service management causes a large amount of interfaces of the new demand of network management, and the complicated difficulty of network management software data acquisition that makes of interface further strengthens.How obtaining data from the network element side, how to convert network element data to meet the network management standard information is the problem that any one network management software all will face.
In existing network management technology, generally be with the functional module of data acquisition function as network management server, perhaps with data acquisition function as a collecting unit independently, but its characteristics all are that the process of data acquisition is carried out hard coded, specifically, earlier gatherer process, data processing method are write as code exactly, carried out by carrier module then.The code here is to write according to the acquisition mode and the corresponding processing method of physical interface communication standard fully, comprise that how to convert network element data processing to network management data realizes by coding that all therefore there is system's close coupling in such network management mechanism.
Because acquisition logic realizes by coding, no matter so be a functional module as network management server, still as a collecting unit independently, in fact all fundamentally do not solve the close coupling of the network management software and net element business, this causes the dependence of network management side functional module existence to the network element side.And as the network management software, must need to insert the different network equipments, and the particular configuration data situation of the needs of different network element devices is all different, so need correspondingly develop the supporting with it adaptation unit of a cover or revise acquisition module when inserting new network element.Owing to difference professional between network element, cause software to be difficult to accomplish unified the processing simultaneously, promptly all will write corresponding collection code and could adapt to application demand for each class data.
In actual applications, there is following problem in such scheme: it is adaptive that any change of network element side all will cause the network management side to carry out version, and when the network element device that inserts was more and more, the maintenance cost of version can increase by geometric progression; Simultaneously, the development cost of the network management software increases along with increasing of access network element, and if the demand of new access network element was constantly arranged in a period of time, then system is difficult to settle out; In addition, the code redundancy phenomenon is more serious, is unfavorable for the assurance of software quality, has a strong impact on the expandability and the testability of software.
Cause the main cause of this situation to be, fundamentally do not solve the close coupling of the network management software and net element business, do not have versatility for the different network elements type, the configuration data acquisition method is system not
Summary of the invention
In view of this, main purpose of the present invention is to provide the acquisition system and the method thereof of configuration data in a kind of network management, make that NML and network element device layer are separate, realized the versatility of different network elements type, provide unified configuration data acquisition scheme to strengthen the expandability and the testability of software.
For achieving the above object, the invention provides the acquisition system of configuration data in a kind of network management, comprise
Refresh template, be used for describing the mode of the data acquisition and processing (DAP) of described network network element;
Template parser is used to explain the described template that refreshes, and carries out the acquisition operations of network element data;
The configuration-system table is used for purpose and requirement that data of description is gathered;
Main control module, be used for described template parser being carried out initialization according to the described configuration-system table and the server data that obtain from configuration server, trigger described template parser and carry out data acquisition according to the described template that refreshes, according to the network element data that collects, relatively and upgrade described server data.
Wherein, described system also comprises computing module, is used for finishing the evaluation work of described template parser in template explanation, data acquisition process process, has syntactic analysis, logic determines, conditional branching selection, arithmetic and imbedding function calling function.
Described configuration-system table has 4, is respectively applied for the type of all objects that descriptive system contains, attribute information, the inheritance between system object and the overall system attribute information of all classes that system supports.
The described semantic symbol that refreshes the basic syntax of template comprises a kind of or its combination in any in the following symbol: Template Information symbol, key point symbol, condition selection and sprocket bit, unique selection keyword symbol, subclass number counting symbol in the symbol, man-machine language agreement of report object in class keyword symbol, attribute symbol, the man-machine language agreement.
The present invention also provides the acquisition method of configuration data in a kind of network management, comprises following steps:
A gathers purpose and requires to set the configuration-system table according to configuration data;
B is according to the described configuration-system table and the server data that obtain from configuration server, and template parser is carried out initialization;
The described template parser of C is carried out data acquisition and processing (DAP) according to refreshing template to the network element in the described network;
D is according to the network element data that collects, relatively and upgrade described server data.
Wherein, among the described step C, the collection of network element data and the method for handling by the instantiation of information model tree realize, comprise step quickly:
C1 is pressed into the object stack with the root node object, enters step C2;
C2 judges whether described object stack is empty, if, process ends, otherwise, step C3 entered;
C3 judges whether the subclass pointer of current object is empty, if, enter step C4, otherwise, step C5 entered;
C4 ejects described current object from the stack top of described object stack, enters step B;
C5 creates the object of subclass node of the subclass pointed of described current object, upgrades the subclass pointer of described current object, makes it point to next subclass node, enters step C6;
C6 judges whether the described subclass node object that is created also has the subclass node, if having, enters step C7, otherwise, return step C3;
C7 is pressed into described object stack with all subclass node objects of the subclass pointed of described current object, returns step C2.
By relatively finding that technical scheme difference with the prior art of the present invention is, is provided with the configuration-system table, is used to define the net element information model, describe different configuration datas and gather purpose;
Setting refreshes template and template parser, adopts explanation facility to realize the unified solution that dissimilar network element datas are gathered;
Adopt syntactic definition to realize the design that refreshes template;
Adopt the network element data collection of the instantiation method realization template parser of information model tree.
Difference on this technical scheme has brought comparatively significantly beneficial effect, has promptly at first expanded the new NE type that inserts under the prerequisite that does not change system hardware and software, and data acquisition system is not subjected to the restriction of NE type, has realized versatility; Next has adopted the processing mode of concentrating, and greatly reduces the software probability of makeing mistakes, and has effectively improved software quality; In addition, adopt this scheme after, the arbitrarily new network element that inserts only need provide a new template file that refreshes, and has significantly reduced the construction cycle, has reduced development cost; Simultaneously refreshing file can facing machine and user, and script is easily understood, and is clear with host service and logic corresponding relation, maintains easily and upgrades; At last, adopted self-defining syntax rule, can develop corresponding automated test tool voluntarily and realize automatic test, and only need the State Control function of simple modification main control module to realize for new demand, strengthened expandability, testability and the compatibility of the network management software greatly.
Description of drawings
Fig. 1 is a configuration data acquisition system structural representation according to an embodiment of the invention;
Fig. 2 is the sequential schematic flow sheet that configuration data according to an embodiment of the invention is gathered;
Fig. 3 is the instantiation method flow diagram of information model tree according to an embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The present invention shields difference between the different network elements by adaptation unit, provides unified interface to network management server.Wherein, adaptation unit is based on explanation facility, make the free burial ground for the destitute syntax rule by oneself by a cover, difference for aspects such as the information model of different network elements, acquisition logic is described, and be stored in the template file, system carries out flow processing by the syntax parsing to this template file, thereby realizes the data acquisition of different network elements.
In this case, the network management server program need be concerned about concrete NE type, Information Monitoring, acquisition method etc., and only needs according to the syntax rule of definition the template corresponding file to be carried out parsing operation.On the other hand, the configuration data of need gathering all is stored in the configuration-system table, so system can change the acquisition target of configuration data according to different situations, sets interested acquisition range.Realized the independence of NML and Network Element Layer thus because in case syntax rule and network management server program are defined, they for the variation of network element, newly to add NE type all be general.What unique needs were adaptive is to set up the template corresponding file or upgrade original template file, so template file is also referred to as and refreshes template here.When the beginning image data, system reads in and parsing refreshes template file, and according to the configuration-system table from network element side image data, according to the above-mentioned transformation rule that refreshes appointment in the template file data transaction that collects is become the network management model data again, upgrade network management server.Thereby under the prerequisite that does not change the network management software, finished collection to dissimilar network elements, different configuration datas.
According to top description as seen, configuration data acquisition system provided by the invention comprises with the lower part: main control module, be used for the whole gatherer process of unified operation, and coordinate the work of each module; Refresh template, be used to describe the data acquisition of respective network elements, the method for processing; Template parser is used for explaining and refreshes template, carries out the data acquisition operations; Computing module is used for finishing that template is explained, the simple computation of data acquisition process process; The configuration-system table is used to describe the acquisition target and the requirement of setting.
Below with reference to Fig. 1, each part and the correlation thereof of configuration data acquisition system according to an embodiment of the invention is described in further detail.
As shown in the figure, in the present embodiment, the configuration data acquisition system comprises: configuration server 101, configuration-system table 102, main control module 103, refresh template 104, template parser 105, computing module 106 and network element device 107.
Wherein, configuration server 101 is used to carry out configuration management function, and preserves configuration data after treatment, uses for network management system; Configuration-system table 102 is used to describe the configuration data collection requirement of configuration server 101; Main control module 103 is used to control whole collecting flowchart, and carries out decision process according to the information of returning; Refresh the data acquisition and processing (DAP) method that template 104 is used to describe network element device 107; Template parser 105 is used for the code that parsing operation refreshes template 104, carries out data acquisition and data processing, and data send main control module 103 to after will handling; Computing module 106 is used for analytical formula and finishes computing function, calls for template parser 105.
In addition, master control template 103 links to each other with configuration server 101, can obtain configuration-system table 102 information and configuration data, and sends the configuration data that upgrades to configuration server 101; Master control template 103 other ends link to each other with template parser 105, by finishing data acquisition alternately; Template parser 105 links to each other with calculation template 106, calls this template and finishes computing function; Template parser 105 can be obtained and refresh template 104 and explain operation; Template parser 105 also links to each other with network element device 107, therefrom extracts configuration data.
Comprise many configuration-system tables 102 in the configuration server 101, represent the different information of network management model respectively, unite the network management information model of describing in the configuration data collection.System can dynamically adapt to the requirement that configuration data is gathered under the different situations by revising configuration-system table 102, changes the content that configuration management is concerned about, and need not revise the configuration data acquisition system.As seen, there are coupled relation 108 in configuration server 101 and configuration-system table 102.
Different network element devices 107 all exists and refreshes template 104 accordingly, and the difference of configuration data collection is embodied in and refreshes accordingly in the template 104 between the dissimilar network element devices 107.When network element device 107 connecting systems, must write according to self-defining syntax rule and refresh template 104 accordingly, and the collection of each system also need change and refresh template 104 when requiring to change.As seen, network element device 107 and refresh template 104 and have corresponding relation 109.
In data acquisition, main control module 103 reads configuration-system table 102 and server initial data from configuration server 101 earlier; Call the network element device 107 pairing templates 104 that refresh that 105 pairs of quilts of template parser gather simultaneously and carry out parsing operation, finish data acquisition in the process of parsing operation automatically network element device 107; Call 106 pairs of data of being gathered of computing module at last and calculate, be met the data that configuration-system table 102 requires, and compare renewal, finish data acquisition operation with the initial data of configuration server 101.
Describe the implementation method of each part of the configuration data acquisition system of one embodiment of the present of invention below respectively in detail.
Configuration-system table 102 is the tables of several Zhang Teshu in the configuration database, finishes definition to the network management information model by configuration-system table 102, realizes that configuration data gathers the setting of target.Different network elements equipment 107 has the heterogeneous networks Management Information Model, this information model has defined the service class and the association attributes of network element from angle of network management, and inheritance between the service class and containment relationship, the parameter of these models all needs to follow corresponding network management standard.In one embodiment of the invention, service class that these are different and association attributes, and the inheritance between the service class and containment relationship are realized by definition configuration-system table 102.So just guaranteed that from architecture the configuration data collecting unit can be indifferent to the information model that dynamically obtains corresponding network element under the situation of net element business.In a preferred embodiment of the present invention, the configuration-system table has 4, describes the attribute information of the type of all objects that native system contains, all service class that system supports, the combobox content of the drop-down attribute of inheritance between system object and system respectively.Such as the network management model that constitutes by three service class for, in the configuration-system table 102 of correspondence, relevant for the description of the property set of the corresponding relation of object identifier and object type and relevant information, three classes and the inheritance of each class and subclass etc.
Refreshing template 104 is template key of the present invention, and it has defined the data acquisition process process of dissimilar network element device 107 and has created principle.The key that refreshes template 104 realizations is the definition of template basic syntax, in one embodiment of the invention, network management system for adopting man-machine language (Man MachineLanguage is called for short " MML ") interface has defined following semantic symbol specially:
A kind of is class keyword symbol: the beginning that appears at delegation then indicates a new class, appears at the centre of delegation, and the hierarchical relationship of indicated object then is such as parent object or grandfather's object;
A kind of is the attribute symbol: appear at the beginning that begins to represent a new attribute templates of delegation, property value is represented in the centre of delegation in the appearance, for example represents the class keyword symbol and the logotype of attribute symbol of parent, promptly is expressed as certain property value of parent;
In addition also relevant for the symbol of reporting object in the MML agreement; Template Information symbol in the MML agreement; The key point symbol; Condition is selected, the condition sprocket bit, and the condition that is used for object is selected; The unique selection keyword is used to identify the different record of value; Subclass number counting symbol etc.
Above-mentioned module cooperation is configured data acquisition, when receiving the refresh requests of network management system, trigger the configuration data collecting flowchart, start the network element data collecting flowchart, and by data collection gained network element data is carried out the configuration data that the simple computation processing obtains consolidation form, from the local network metadata, obtain the information model and the data of configuration server simultaneously, carry out the renewal of data comparison and server data then.Fig. 2 shows the sequential flow process that configuration data according to an embodiment of the invention is gathered.
The collecting flowchart of the whole network element data that just bring into operation after template parser 105 is initialised.In data acquisition, this network element device of explanation operation that only needs of template parser 105 refreshes template 104 accordingly, because refresh collection and the processing method that has defined this element configuration data in the template 104.In one embodiment of the invention, template parser 105 at first sends the order of MML form to network element device, network element device 107 returns configuration data and gives template parser 105 after receiving the MML querying command, so just, finished obtaining of a network element data, inquiry obtains the network element data information of needs.
In a preferred embodiment of the present invention, template parser 107 is handled the method that forms consolidation form according to information model with network element data: under the control of the containment relationship between the network management information model class, resolve configuration file, how key is the dynamic creation object under the control of class inheritance table.
Describe the flow process of the instantiation method of information model tree according to an embodiment of the invention below according to Fig. 3, this method realizes by the object stack.
As shown in the figure, at first in step 301, the root node object is stacked.The root node object is created when initial phase refreshes subtree, adds the result object collection automatically.
Then enter step 302, judge whether the object stack is empty, if illustrate that all node processing finish process ends; Otherwise, enter step 303.
In step 303, judge current object be the subclass pointer of stack top object whether for empty, if, illustrate that current object does not have subclass or all subclasses all to dispose, enter step 304; Otherwise, illustrate to also have the subclass of current object not have instantiation, enter step 305.Here the subclass pointer initial value that defines any node object points to leftmost subclass object, and turning right successively then adds one, and if there is no subclass object or pointer value exceed the subclass number, and then this subclass pointer is sky.
In step 304, eject current object from stack top, finishing with current object is the instantiation of the subtree node class of root node, after this enters step 302.
In step 305, create the object of subclass node of the subclass pointed of current object, add the result object collection, the subclass pointer of current object adds one, promptly points to next subclass node.Here the object of Chuan Jianing can have a plurality of.
Then enter step 306, judge that whether the subclass node object that is created also has the subclass node, if having, enters step 307; Otherwise, return step 303.
In step 307, the subclass node object of the subclass pointed of all current objects is stacked, returns step 302, and the subtree below this subclass node is carried out instantiation.
In one embodiment of the invention, all Object Creation information all is kept in the configuration file, has wherein preserved the method that required MML order line of Object Creation and parameter generate, and the method created of object properties.When creating object, initial input obtains creating all required MML order line templates of this object from root object identifier to be created by this identifier from configuration file; Then, the parameter that module parses device 105 is resolved in the template generates information, replaces the parameter that generates order line with actual value, and MML order line of instantiation is also issued network element; Then, the report of returning according to network element obtains the attribute templates of object from configuration file, and how the analysis indication of this template is extracted the attribute of required data formation object from report; At last the object that creates is put in the object set.
Those of ordinary skill in the art are appreciated that, when the interface of network management system adopts other language or agreement when communicating by letter, such as extend markup language (Extensible Markup Language, abbreviation " XML "), Simple Network Management Protocol (Simple Network Management Protocol, abbreviation " SNMP "), World Wide Web (WWW) (World Wide Web, be called for short " WWW ") mode etc., corresponding standard definition grammer and mechanism for resolving according to agreement are realized goal of the invention, and do not influence the spirit and scope of the invention.
Though by reference some preferred embodiment of the present invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that, can do various changes to it in the form and details, and the spirit and scope of the present invention that do not depart from appended claims and limited.
Claims (6)
1. the acquisition system of configuration data in the network management is characterized in that, comprises
Refresh template, be used for describing the mode of the data acquisition and processing (DAP) of described network network element;
Template parser is used to explain the described template that refreshes, and carries out the acquisition operations of network element data;
The configuration-system table is used for purpose and requirement that data of description is gathered;
Main control module, be used for described template parser being carried out initialization according to the described configuration-system table and the server data that obtain from configuration server, trigger described template parser and carry out data acquisition according to the described template that refreshes, according to the network element data that collects, relatively and upgrade described server data.
2. the acquisition system of configuration data in the network management according to claim 1, it is characterized in that, described system also comprises computing module, be used for finishing the evaluation work of described template parser, have syntactic analysis, logic determines, conditional branching selection, arithmetic and imbedding function calling function in template explanation, data acquisition process process.
3. the acquisition system of configuration data in the network management according to claim 1, it is characterized in that, described configuration-system table has 4, is respectively applied for the type of all objects that descriptive system contains, attribute information, the inheritance between system object and the overall system attribute information of all classes that system supports.
4. the acquisition system of configuration data in the network management according to claim 1, it is characterized in that the described semantic symbol that refreshes the basic syntax of template comprises a kind of or its combination in any in the following symbol: Template Information symbol, key point symbol, condition selection and sprocket bit, unique selection keyword symbol, subclass number counting symbol in the symbol, man-machine language agreement of report object in class keyword symbol, attribute symbol, the man-machine language agreement.
5. the acquisition method of configuration data in the network management is characterized in that, comprises following steps:
A gathers purpose and requires to set the configuration-system table according to configuration data;
B is according to the described configuration-system table and the server data that obtain from configuration server, and template parser is carried out initialization;
The described template parser of C is carried out data acquisition and processing (DAP) according to refreshing template to the network element in the described network;
D is according to the network element data that collects, relatively and upgrade described server data.
6. the acquisition method of configuration data is characterized in that in the network management according to claim 5, and among the described step C, the collection of network element data and the method for handling by the instantiation of information model tree realize, comprise step quickly:
C1 is pressed into the object stack with the root node object, enters step C2;
C2 judges whether described object stack is empty, if, process ends, otherwise, step C3 entered;
C3 judges whether the subclass pointer of current object is empty, if, enter step C4, otherwise, step C5 entered;
C4 ejects described current object from the stack top of described object stack, enters step B;
C5 creates the object of subclass node of the subclass pointed of described current object, upgrades the subclass pointer of described current object, makes it point to next subclass node, enters step C6;
C6 judges whether the described subclass node object that is created also has the subclass node, if having, enters step C7, otherwise, return step C3;
C7 is pressed into described object stack with all subclass node objects of the subclass pointed of described current object, returns step C2.
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