KR100221546B1 - Automatic route controlling method of a network with learning function - Google Patents

Abstract

The present invention relates to a network management system having a learning function and a route automatic control method using a swap system.

It replaces the automatic route control function performed in the conventional exchange with the network management system based on the learning function.

The network management system is composed of network management database, network management database editor, network management limit rate determining unit, network management data learner, and user interface, and collects and analyzes traffic data about the route output from the exchange operation and load status. In order to perform the optimum control according to.

Description

Network Management System with Learning Function and Automatic Route Control Method Using the System

1 is a network connection diagram for a call between subscribers.

2 is a configuration diagram of the network management function of the exchange period.

3 is a connection diagram of an exchange and a network management system.

4 is a block diagram of a network management system of the present invention.

5 is a diagram illustrating a conventional route automatic control limit ratio.

6 is an exemplary route automatic control information using the network management system of FIG.

7 is a conceptual diagram of the route automatic control input.

FIG. 8 is a flowchart for building an initial database using the network management database editor of FIG.

9 is a route automatic control flow using a network management system.

* Explanation of symbols for main parts of the drawings

101, 201, 301, 401: exchange 102: relay exchange

103: subscriber 104, 202: relay line

400: network management system 402: network management operator

403: network management database editor 404: network management database

405: network management limit rate determination unit 406: network management data learner

407: user interface 408: user

The present invention relates to a network management system having a learning function and a route automatic control method using the system. In particular, the present invention relates to a network management system and a route automatic control method using the system for efficient use of a route which is a call path during an electronic exchange period. It is about.

The prior art requires an overload control function of the system to actively cope with changes in the external environment in order to improve the service efficiency of the electronic switching system that provides various services to the subscriber.

One such overload control strategy is to collect and analyze various types of data in the network, so that the network management function is essential to increase the completion efficiency by efficiently using all the devices that can be serviced even in the case of excessive traffic caused by congestion and trouble. .

The automatic route control function is a part of the network management function, which prevents excessive runaway on a specific route by passing or limiting the call at a certain rate according to the load condition when the call is going to a specific route. Restricted calls are a feature that allows you to leave a different route or to be subject to announcement announcement processing.

In the conventional route automatic control function, load classes are divided into three levels according to idle relays belonging to the route to be managed, and a certain call restriction is performed according to each load class.

Since each exchange or each route may have different operating characteristics depending on the operating environment, uniform limitations cannot be assumed to be optimal.

Therefore, there is a need for an efficient route control method that can provide higher quality services.

Accordingly, an object of the present invention is to provide a network management system based on a learning function and a route automatic control method using the system in order to increase system service efficiency through efficient use of a route, which is an electronic exchange period.

The present invention having such an object replaces a route automatic control function, which is conventionally performed in an exchange, with a network management system having a learning function.

Accordingly, the network management system collects and analyzes the traffic data of the route output from the exchange operation, so that the optimal control can be performed according to the load condition.

The network management system collects and analyzes the call limit rate according to the traffic data output from the exchange, the load condition, and whether the applied limit operation is appropriate, and obtains the optimal call limit rate according to each load condition and builds it as a database. It is.

As described above, a network management system having a learning function for achieving the object of the present invention includes a network management database editor for databaseting network management data extracted from a network management operator, and a limitation according to the load class for each route required for automatic route control. A network management database that stores rate and operation history, a network management data learner that acquires new network management data or modifies an existing network management database by analyzing the operation history of the network management database, and a relay call processing function; The limit stored in the network management database is determined according to the load status of each route received from the exchange having a statistical function, the determined limit is passed back to the exchange, and the control result performed by this limit is performed. Restriction of network management to deliver to the network management data learner Consists of a user interface for the decision unit and the information exchange with the restriction rate determination unit and the user, and independently coupled to the exchange, there is a feature that automatically replaces the route control function of the exchange.

According to another aspect of the present invention, there is provided a first process of determining whether to limit or limit a limit by indexing control information corresponding to traffic data input from the exchange using the network management system from the network management database. A second process of comparing and inferring the result of the restriction request according to the limit rate determined in the first process, a third process of generating a history of the comparison result of the second process, the generated history information and the reasoning As a result, if there is information to be updated, the fourth step of updating the database is repeatedly performed to automatically control the route.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a network connection diagram for a call between subscribers 103.

In the telephone exchange network, there is a single station switch 101 to which a subscriber 103 is directly connected, and there is a relay switch 102 for relaying a switching period without accommodating the subscriber.

In addition, there is a relay line 104 that connects the exchanger 101 and the exchange period and becomes a call path.

A group of relay lines determined according to the installation plan of such a telephone switching network is called a route, and there may be a plurality of routes for each switch.

2 is a schematic diagram of the functional network of the exchange period.

The exchanger 201 is an exchanger in which a relay line is mounted, and represents a single station exchanger or a relay exchanger.

In order to efficiently manage and control the relay line 202, which is such a communication path, the network management function 204 is configured in the exchange.

The network management function 204 is a statistic for measuring a relay call processing function 203 for handling a relay call relayed to another exchange through a call relay line 202 sent from a subscriber, a route, and utilization of various resources. In conjunction with the function 205, automatic control of the route is performed.

3 is a diagram illustrating a connection structure between an exchange and a network management system.

The exchange 301 is a form in which the network management function 204 for performing automatic route control in the switch 201 of FIG. 2 is excluded.

The relay call processing function 302 is identical to the relay call processing function 203 of FIG. 2, and the statistics 303 function includes all of the statistics function 205 of FIG. 2, and transmits traffic data to the network management system. The function is added.

The network management system 400 replaces the network management function 204 which performs a route automatic control function in the exchange, and has a learning function for efficient route control.

4 is a block diagram of a network management system of the present invention.

The configuration includes a network management database editor 403 for databaseting network management data extracted from the network management operator 402, and a network management in which a limit ratio and operation history according to the load class for each route required for automatic route control are stored. A network management data learner 406 which analyzes the database 404 and the operation history of the network management database 404 to acquire new network management knowledge or to modify the previous network management database 404; The limit stored in the network management database 404 is determined according to the load status of each route received from the switch 401 having a call processing function and a statistical function, and the determined limit is returned to the switch 401 again. And a network management limit rate determining unit 405 for transmitting the control result performed by the limit rate to the network management data learner 406, and the network management limit rate. And a user interface 407 for exchanging information between the decision unit 405 and the user 408.

Referring to the operation of the network management system by such a configuration as follows.

The switch 401 is the same as the switch 301 of FIG. 3 and includes the execution of a relay call processing function and a statistical function for automatic route control.

The process of building a network management database is divided into three steps.

The first step is to build an initial database, the second step is to debug an incomplete initial database using a test case, and the third step is to optimize the given database to improve the extraction speed.

Network management knowledge is obtained through interviews from network management function developers and network operators 402 to build an initial database.

However, this knowledge is not optimal for each system, and it may be the most difficult problem in the initial network management database construction process.

The network management database editor is used for the convenience of the database process of the network management knowledge extracted from the network management operator. The network management database editor 403 forms a kind of frame by formalizing the network management knowledge, and when the network management operator designates each slot of each frame, the network management database takes the form of the contents immediately.

Express network management knowledge in the form of If then, condition part can be defined as several slots, and conclusion part is test, include, and assert. It is defined to have functions such as), and these functions include MMC level commands to control the exchange.

The network management database 404 is composed of facts and rules, and stores the limit rate and operation history according to the load class for each route required for automatic route control.

The network limiter determining unit 405 performs a route automatic control function of the exchange period.

That is, the load condition of each route is input from the switch 401, and the limit ratio is determined using the network management database 404.

The rate limit thus determined is transmitted to the exchange, and the control result performed by the rate limit is received again and transmitted to the network management data learner 406.

Network management databases are incomplete, inconsistent, and inaccurate in nature, requiring a debugging process to modify and supplement the database.

Learning function is used as a tool to overcome the limitations of database construction due to the knowledge acquisition bottleneck that can occur during the initial database construction process.

The network management data learner 406 analyzes the operation history of the network management system to acquire new network management knowledge or to modify an existing database.

A user interface 407 is provided for exchanging information between a network management system and a user, and a multimedia function of voice and moving images may be provided.

The user 408 becomes an operator of the present network management system and the exchange.

5 is a diagram illustrating a conventional route automatic control limit ratio. Route automatic control is a function to control traffic according to the level preset by the operator according to the occupied state of the relay line in the route, and decides to perform normal or restricted performance when the valid relay line is less than the threshold.

The control class 501 is largely divided into a case in which no control is required and a case in which a control is required, and the control class 501 is classified into a low class and a high class.

Therefore, it is divided into three grades.

The class of control is determined by the idle relays in each route. The traffic type indicates the type of call entered, and the call types include direct route (DR), bypass route (A1 ternate route), direct route (Direct Route), and difficult to complete calls (DR + HTR (Hard To Reach), It is divided into a detour route and a difficult call to complete (AR + HTR).

Traffic response category and limit rate are selected, and one of A, B, C, D, E is selected according to the operation characteristics of each exchange.

6 is an exemplary diagram of route automatic control information using a network management system.

The control class is divided into a number of classes and varies depending on the operational exchange and the operational characteristics of each route.

In the conventional exchange, only the idle relay is used as a parameter for determining the control class, but in the present invention, the number of relay lines occupied, the number of overflows, the number of relay repeaters, the number of idle relay lines, and the block are input data for determining the control class. Use the number of state relay lines, the number of call attempts, the number of calls limited by CANT, and the number of calls limited by SKIP.

Here, CANT (cancel-To) sends network management announcements as much as the limit rate and the rest of the call is to occupy the route, and SKIP is required to occupy the detour route as the limit when the call is entered to occupy the route. And the rest is to occupy the route.

Traffic types only target direct route calls and bypass route calls.

The limit rate is not fixed according to the control class and traffic type as in the conventional exchange, but has an optimal variable limit determined by the learning function.

FIG. 7 is a conceptual diagram of route automatic control input data of FIG.

The limit rate determination according to the load condition is performed in the network management system, but the actual restriction is performed in the relay call processing function 701 according to the determined limit rate.

The call attempts 702 represents the total number of call attempts input to the corresponding route per unit time.

The relay call processing function decides whether or not to limit the input call according to the limit rate, and if it is not restricted, it tries to occupy the relay line.

As a result of the attempt, it is divided into a successful occupation 703 and an overflow 704 in which the occupation fails due to lack of a line or the like.

In case of limitation, there is a case where the network management recording guide 705 broadcast is transmitted by the CANT and the route is routed to the bypass route 706 by the SKIP. The general relay player 707 is a total relay player belonging to the corresponding route, and the sum of the occupied relay player, the idle relay player, and the block relay player is equal to the sum of the total relay players.

8 is a flowchart of building an initial database using a network management database editor.

The network management database editor formulates a kind of frame by formalizing the network management knowledge and presents the formalized frame as an input item (S1).

When the network management operator becomes a user, and the user inputs data for each input item presented in the network management database editor 403, the network management database editor 403 receives the item-specific data (S2), and immediately displays the contents. The method of inserting into database (S3) is taken.

FIG. 9 is a flowchart illustrating a route automatic control method using a network management system. Referring to FIG.

The network management system receives the traffic data input from the exchange 401. (S11) The traffic data item is the same as the input data item of FIG.

The control information corresponding to the received traffic data is indexed from the network management database 404 (S12) to determine whether to limit or not (S13).

The network management system transmits the limiting request according to the determined limiting rate to the exchange 401 (S14).

In the relay call processing function of the exchange 404, the relay call processing is performed according to the required limit rate. In the statistical function, traffic information collected for a predetermined period is collected and the collected information is transmitted to the network management system. This is the result of the restriction on the previous restriction request (S15).

The network management system analyzes the traffic data delivered from the statistical function of the exchange and performs the inference process of comparing the restriction results (S16) in order to determine the suitability of the restriction operation previously performed. It generates a history (S17) so that you can refer to the inference process for future traffic control.

If there is information on the history information and the reasoning result generated in this way, the database is updated (S18).

The network management system performs this process repeatedly to build an optimal network management database.

The present invention can be applied to not only traffic control for a route of an electronic switching period but also traffic control for transmission lines between communication systems connected through a network.

As described above, the present invention can extract the optimal control information suitable for the operation characteristics of each exchange and the route by performing route control using the network management system having a learning function. Can increase.

This method is in line with the future development direction of the intelligent network, and the network management system has a predictive function that can predict the traffic according to time and event through the analysis process of the built database and make appropriate limiting action before overload occurs. It is also possible to build.

Claims (9)

A network management database editor which makes network management knowledge extracted from the network management operator into a database, a network management database storing the limit ratio and operation history according to the load class for each route required for automatic route control, and the network management database. Network management data learner that acquires new network management knowledge by analyzing the operation history or modifies the previous network management database, and the network management data according to the load status of each route received from an exchange having relay call processing and statistical functions. A network management limit rate determining unit which determines a limit stored in the base, transfers the determined limit again to the exchange again, and passes the control result performed by the limit to the network management data learner; User to exchange information with management limit decision unit and user Emitter is composed of the face, and independently coupled to the exchange, a network management system having a learning function according to a specific route to replace the automatic control functions of the exchange. The network management system of claim 1, wherein the network management database editor forms a frame by formulating network management knowledge. The network management system according to claim 2, wherein the network management database editor immediately database the contents of the network management operator by designating each slot of each frame. The network management system having a learning function according to claim 1, wherein the network management limit determining unit performs a route automatic control function of the exchange. A network management database editor which makes network management knowledge extracted from the network management operator into a database, a network management database storing the limit ratio and operation history according to the load class for each route required for automatic route control, and the network management database. A network management data learner that acquires new network management knowledge by analyzing the operation history or modifies a previous network management database, and the network management data according to the load status of each route received from an exchange having relay call processing and statistical functions. A network management limit rate determining unit which determines a limit stored in the base, passes the determined limit back to the exchange again, and passes the control result performed by the limit to the network management data learner; User to exchange information with management limit decision unit and user In the route control method replacing the automatic route control of the exchange by using a network management system including an interface, the control information corresponding to the traffic data input from the exchange is indexed from the network management database to limit and limit A second process of comparing the first and second processes of inferring the restriction result of the restriction request according to the restriction rate determined in the first process, and a third process of generating a history of the comparison result of the second process And, based on the generated history information and the inferred result, repeatedly performing the fourth process of updating the database when there is information to be updated, thereby automatically controlling the route. Route automatic control method. The method of claim 5, wherein the input data in the first process is used to determine a plurality of control classes. 7. The method of claim 6, wherein the plurality of control classes vary depending on the operational switch and the operational characteristics of each route. The method of claim 1, wherein the limiting rate in the first process is variable according to a control class and a traffic type. 9. The method of claim 8, wherein the traffic type targets only direct route calls and bypass route calls.