KR100766608B1 - Method of unifying network management system and unified network management system - Google Patents

Abstract

A method of unifying network management system and unified network management system is provided to provide unified method according to the hierarchy of a network management system and provide unified method for multiple kinds of network management systems. A method of unifying network management system and unified network management system comprises the following steps of: dividing at least two network management systems into at least two hierarchies(S101); constructing unified sub-system by unifying sub-systems included in the network management system of the same hierarchy among divided network management systems(S102); forming unified network hierarchy using the united sub-system(S103); and forming unified network management system using the at least two unified network hierarchy(S104).

Description

Integration method of network management system and integrated network management system {Method of Unifying Network Management System and Unified Network Management System}

1 is a system configuration diagram of a plurality of network management systems before the present invention is applied.

FIG. 2 is an exemplary diagram of a plurality of network management systems shown in FIG. 1. FIG.

3 is a block diagram of an integrated network management system divided and separated by hierarchy according to an embodiment of the present invention.

FIG. 4 is a diagram illustrating a hierarchical separation method for the network management system and subsystems shown in FIG. 2. FIG.

FIG. 5 is a block diagram showing a state in which integration is performed for each network operation hierarchy of network management systems.

Fig. 6 is a block diagram showing a state in which integration is performed for each network management hierarchy of each network management system.

FIG. 7 is a diagram illustrating a connection relationship between a network management system and network equipment before network integration by hierarchy according to an embodiment of the present invention. FIG.

8 is a block diagram illustrating a network management system in a state-by-phase integration of network matching hierarchies according to an embodiment of the present invention.

FIG. 9 is a block diagram illustrating an overall system including an integrated network management system finally constructed according to an embodiment of the present invention. FIG.

10 is a flowchart illustrating a method for merging by levels of the above-described network management system according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

400: network operation

410: network monitoring hierarchy

420: network interworking hierarchy

500: integrated network operation

600: integrated network monitoring hierarchy

700: Network Equipment

800: integrated network interworking hierarchy

The present invention relates to an integrated network management system and a method for integrating a network management system. More particularly, the present invention relates to a method for systematically integrating and effectively integrating a variety of network management systems operated by a telecommunication service provider to efficiently manage a network. will be.

A Network Management System (NMS) is a network that operates correctly by collecting all the information necessary for organization, operation, and maintenance of a network from all the resources that make up the network, such as communication equipment, transmission facilities, and software systems that handle it. It refers to a collection of hardware and software that supports a set of processes that monitor and analyze the presence of the software, as well as the efficient use of all components in the network.

The development stage of the network management system is generally in the early stage of system introduction, the expansion of business by sector for rapid response and large-scale processing as the business expands, the system control phase for efficient resource sharing and cost reduction as the business stabilizes, and redundancy. It can be divided into system integration stage for investment exclusion and system organization, and system maturity stage for system automation and knowledge management. Network management systems, which are in the introduction, proliferation, and initial control phases, are in the process of growing business, and therefore, business response is a priority, and therefore, they are urgently developed and operated when necessary systems are needed. The multiple network management systems operated in this way have a lot of overlapping elements, and overlapping investments occur when systems providing similar services evolve individually. Seek to integrate

Commonly conceived methods of system integration include user interface (UI) integration, system function integration, and database integration. These methods can be applied to general information processing systems as well as network management systems. However, these methods are uniform integration methods that apply to all information processing systems, so the network management system cannot be effectively applied to the domain. Therefore, integrating the network management system using the general system integration method reduces the utilization of the existing resources built in the integrated target network management system and fails to effectively cover various existing network management functions, thereby failing to properly respond to the existing operating environment. May occur.

1 is a system configuration diagram of a plurality of network management systems before the present invention is applied.

In FIG. 1, 11A, 11B, and 11N are network management systems to be integrated. (N is a natural number of 1 or more). "12N" is a subsystem of each network management system N classified into the network third hierarchy, "13N" is a subsystem of each network management system N classified into the second hierarchy, and "14N" is each classified into the first hierarchy. It is a subsystem of network management system N.

Here, hierarchical means that the network management system is layered according to the functions / roles / characteristics of each of the subsystems. Here, the first level, the second level, and the third level may be any one of a network operating level, a network monitoring level, and a network interworking level, respectively.

"15" represents a management network which collects data from the network object to be managed, and "16" represents a network device to be managed. Network equipment A1, network equipment A2,... An is a network device having an interface standard of A, network device B1, network device B2,... Bn means a network device having an interface standard of B.

The present invention is to provide a hierarchy-specific integration method of the network management system.

In addition, the present invention provides a method for integrating a variety of network management systems in which there is a duplication of functions of subsystems and network management systems and the like is not organized.

In addition, the present invention provides a method of integrating a network management system that can be effectively applied to a network management system domain as compared to a uniform method applied to a conventional general information processing system.

Accordingly, the present invention is to provide an integrated network management system that can increase the utilization of the existing resources already established, effectively encompasses various existing network management functions, and can respond appropriately to the existing operating environment.

According to an aspect of the present invention, there is provided a network management system integrating method for forming an integrated network management system incorporating two or more network management systems, comprising: (a) two or more network management systems including subsystems belonging to different levels; Separating into two or more levels (b) integrating subsystems having the same level to build an integrated subsystem; (c) forming an unified network hierarchy using the unified subsystem; (d) repeating steps (b) to (c) as many as the number of steps; And (e) forming an integrated network management system using the unified network hierarchy formed by two or more.

According to another aspect of the present invention, a program of instructions that can be executed by a network management system is tangibly implemented to form an integrated network management system, which is a recording medium that can be read by the network management system. A recording medium on which a program for performing the network management system integration method according to any one of claims 10 to 10 is recorded.

According to yet another aspect of the present invention, the integrated subsystem includes two or more integrated network hierarchies including integrated sub-systems, and the integrated sub-systems collectively group subsystems belonging to the same level among subsystems included in the two or more network management systems. It is possible to provide an integrated network management system, characterized in that formed by.

Hereinafter, preferred embodiments of the integrated network management system and the integrated method of the network management system according to the present invention will be described in detail with reference to the accompanying drawings.

Other aspects, features, and advantages other than those described above will become apparent from the following drawings, claims and detailed description of the invention.

The above-described process of integrating the network management system illustrated in FIG. 1 in the form of FIG. 3 will be described later with reference to FIG. 4.

The network management system to be integrated may include network management systems such as second generation voice network management system, IP data network management system, and third generation network management system. There may be relatively small network management systems such as iSeMS (Signal Network Management System) and NetRix (Transport Network Management System).

Each network management system that is the object of integration is outlined as follows.

The second generation voice network management system is a network management system that manages 2G / 1X switched networks and wireless networks, which are the core of voice services. An example is Net Commander. Net Commander is an integrated network management system used by KTF of Korea.

The IP data network management system is a network management system that manages data networks and IP backbone networks. IP data network management system is a network management system built separately because data type services are important, as well as voice network-oriented network management system for voice communication, as well as a system that can effectively manage data networks. An example of an IP data network management system is NexPlorer.

In addition, the third generation network management system is a network management system that can manage WCDMA (3G) switched network, wireless network, and data network. It is a network management system operated by an IMT-2000 communication provider called KT ICOM of Korea. An example of a third generation network management system is iManager.

In addition, there are an integrated STP equipment management system (iSeMS), which is a network management system capable of managing a signaling network, and a netransmission network management system (NetRix), which is a network management system capable of managing a transmission network.

FIG. 2 is an exemplary diagram of a plurality of network management systems shown in FIG. 1.

In the present specification, an embodiment in which a network management system of a second generation voice network management system (Net Commander) 200, an IP data network management system (NexPlorer) 210, and a third generation network management system (iManager) 220 is integrated is described. As will be described, many large and small network management systems may be subject to integration by embodiments of the present invention. In addition, facility management system 230 and facility management system 235 may also be subject to integration.

In addition, the above-described network management systems to be integrated may include a plurality of subsystems. The names of the subsystems used in the present specification are as follows.

First, sub-systems included in the second generation voice network management system 200 will be described. Second generation voice network management system 200 includes statistical system 240, analysis system 242, 2G / 1X network monitoring system 244, data conversion system 246, CMIP / SNMP matching system 248, ASCII Subsystems, such as matching system 250.

Here, the statistical system 240 includes a performance management module (PM). PM stands for Performance and Statistics Management Module.

Analysis system 242 includes Analysis M (Analysis Module). Analysis M is a module that analyzes network traffic and analyzes failure patterns.

The statistical system 240 and the analysis system 242 are processes in which a call request or data request made by a mobile communication user through a terminal is processed in a network, that is, an analysis of the quality of traffic and statistics.

The 2G / 1X network monitoring system 244 includes a fault management module (FM), a traffic monitoring module (TM), and a configuration management module (CM). FM corresponds to the fault management module. TM is a module for monitoring the status of data traffic in the network. CM or (i) CM means Configuration Management Module, that is, configuration management module, and (i) in CM means (i) integrated. Configuration management module. It is a module that documents the functional or physical properties of system configuration elements, manages the changes in those properties, records and reports on the progress or realization of changes, and verifies that specified requirements have been met.

Data conversion system 246 is composed of Collect M, Collect M (Data Collect Module) is a module for collecting network traffic data.

CMIP / SNMP matching system 248 also consists of Q3 AM. Q3 AM is a network equipment access module that matches (interworks) with network equipment using the Q3 interface standard (ITU standard for network management).

For reference, CMIP is a common management information protocol, a protocol based on international standards (ISO recommendation), and a protocol for basic procedures of management operation information between a communication line and a system to be connected.

SNMP is a simple network management protocol and is a network management protocol of TCP / IP. It is also a standard communication protocol used to send network management information of network devices such as routers and hubs to the network management system. Developed on the basis of TCP / IP's Simple Gateway Monitoring Protocol (SGMP), it corresponds to the Open System Interconnection (OSI) Network Common Management Information Protocol (CMIP). Collect and manage network management information using two functions, request and response.

The ASCII matching system 250 is composed of ASCII AM, and is an ASCII interface standard (network management connection standard established by KTF of Korea) and is a network device and a matching (interlocking) module. Here, AM stands for Access Module and means a network equipment matching (interlocking) module.

Q3 AM and ASCII AM are both types of Access Module (Network Equipment Matching Module).

ASCII stands for American Standard Code for Information Interchange, which means ASCII, or American Information Exchange Standard Code.

SNMP AM is a network device matching (interlocking) module that matches (interlocks) with network devices using the SNMP interface standard (IETF standard for network management).

The IP data network management system 210 will now be described. IP data network management system 210 includes OSS information interworking system 252, configuration / statistics system 254, HPDN / IP network monitoring system 256, SNMP matching system 258, CORBA / ASCII matching system 260. It consists of.

The configuration of the IP data network management system 210 is as follows. IP data network management system 210 includes OSS information interworking system 252, configuration / statistics system 254, HPDN / IP network monitoring system 256, SNMP matching system 258, CORBA / ASCII matching system 260. It consists of subsystems.

The OSS information interworking system 252 is composed of an open source software configuration management module (OSS iCM; OSS Integrated Configuration Management Module) and a TT (Trouble Ticketing Module). OSS information interworking system 252 is a system that allows to share the network shape information that each operation support system is building.

The configuration / statistics system 254 includes a Configuration Management Module (CM) and a Performance Management Module (PM).

The HPDN / IP network monitoring system 256 is composed of a fault management module (FM), a traffic monitoring module (TM), and a system management module (SM). SM (System Management Module) means a system management module.

SNMP matching system 258 is configured with SNMP AM. As described above, the SNMP AM is a network device matching module that matches (interworks) with network devices by using an SNMP interface standard (IETF standard related to network management).

In addition, CORBA / ASCII matching system is composed of CORBA AM. CORBA AM is a network equipment matching (interlocking) module that matches (interlocking) network equipment with the CORBA interface specification.

For reference, CORBA is an abbreviation of Common Object Request Broker Architecture, and is a specification for exchanging information between objects running on different computers in a distributed environment on a network. Established by OMG, a standardization body for object-oriented technologies.

The third generation network management system (iManager) 220 consists of sub-systems such as statistics, TT WEB system 262, 3G network monitoring system 264, CMIP / SNMP matching system 266, ASCII matching system 268, etc. do.

The TT WEB system 262 is composed of a PM (Performance Management Module) and a TT (Trouble Ticketing Module).

In addition, the 3G (3rd generation) network monitoring system 264 is composed of a fault management module (FM), a traffic monitoring module (TM), a configuration management module (CM), and a system management module (SM). The CMIP / SNMP matching system 266 is composed of Q3 AM and ASCII AM, and the ASCII matching system 268 is composed of ASCII AM.

Although the names of the sub-systems configuring each network management system are different from each other, it can be seen that a plurality of modules constituting the sub-systems perform common functions. That is, subsystems that perform common functions are duplicated in each network management system. For reference, one subsystem may include two or more identical modules.

Each network management system can be commonly classified into a network operating level, a network monitoring level, and a network interworking level. In addition, an appropriate integration scheme may be applied according to the characteristics of each hierarchy such as network operation hierarchy, network monitoring hierarchy, and network interworking hierarchy.

In other words, integrating networks with common levels in sub-system units separated by levels is an integration method of a network management system according to an embodiment of the present invention.

3 is a block diagram of an integrated network management system divided into ranks and integrated according to an embodiment of the present invention.

In the drawing, "21" is the integrated network management system, "22" is the third integrated network hierarchy of the integrated network management system, "23" is the second integrated network hierarchy of the integrated network management system, and "24" is the integrated network management system. The first integrated network hierarchy, "25" is the subsystem integrated by the integration method for the characteristics of the third network hierarchy, "26" the integrated subsystem integrated by the integration method for the characteristics of the second network hierarchy, " 27 "also refers to an integrated subsystem by an integration method suitable for the characteristics of the first network hierarchy," 28 "represents a management network which collects data from the managed network device, and" 29 "represents a network device to be managed. Here, the first unified network level may be an unified network operating level, the second unified network level may be an unified network monitoring level, and the third unified network level may be an unified network interworking level. FIG. 4 is a diagram illustrating a separation method according to hierarchy for the network management system and subsystems shown in FIG. 2.

First, it can be seen that facility management system 230 and facility management system 235 are integrated into facility management system 430, which is one integrated subsystem. The facility management system 230 and the facility management system 235 belong to the network operating hierarchy 400. The facility management system in 2G / 1X exists as a facility management system in 3G, both of which are integrated facility management systems 430. Can be integrated into 4 illustrates an embodiment in which facility management system 235 is integrated into facility management system 230.

An example of an integrated facility management system is the INetPost3.0 system. The INetPost3.0 system improves the network construction process for the establishment, expansion, and relocation of W-CDMA base stations and repeaters. Is a system that makes it possible.

Each network management system of the second generation voice network management system 200, the IP data network management system 210, and the third generation network management system 220 includes a network operating hierarchy 400, a network monitoring hierarchy 410, and a network. It may be separated into the interlocking step 420.

First, the integration of the network operating hierarchy 400 is shown in FIG. The integration of the network operating hierarchy 400 is based on a method of integrating the integrated subsystem into one integrated network operating hierarchy after constructing an integrated subsystem for each network operational data characteristic. When the network operating hierarchy 400 is integrated, it is possible to support an integrated operation for comprehensive information management for all networks.

The following describes the network operational data characteristics. The network management system collects traffic data, network configuration data, alarm (failure) data, TT data, billing data, network equipment data, and the like from network equipment to operate a network. For example, traffic data and billing data have a characteristic that a large amount of data must be processed at one time periodically (such as 5 minutes and 1 hour period). In addition, network configuration data and network equipment data should be collected and built in conjunction with all equipments when building initial configuration data, and data should be processed only when the network configuration is changed due to new network construction, facility change, or relocation of station number. . In addition, alarm (Trouble) data and trouble ticket (TT) data is a relatively small amount of data is output only when a failure situation occurs, it is processed immediately immediately after output has the characteristics that must be quickly communicated to the system operator.

For example, taking into account these characteristics, a periodic data processing system (statistical system) for a large amount of events, a data processing system (TT system) for a small amount of events, and a large amount of aperiodic data processing system (OSS) Information integration system).

The PMs of the statistics system 240, the configuration / statistics system 254, and the statistics / TT Web system 262 are common, and the data operated by the PMs may be periodically processed for a large amount of events as described above. There is a common property of required data. Thus, it can be integrated into an integrated statistics / analysis system 520, which is one integrated subsystem.

The TT is common to the OSS information interworking system 252 and the statistics / TT web system 262. The data (TT data) operated by the TT is a relatively small amount of data as described above. The output is immediately processed and the system operator needs to be notified quickly. Accordingly, the OSS information interworking system 252 and the statistics / TT Web system 262 may be integrated into one integrated subsystem, that is, the integrated TT system 530.

When the initial shape data is constructed, it should be collected and built in conjunction with all the equipments.The network shape data with the characteristic that the data should be processed only when the network shape is changed due to the construction of new network, facility change, or relocation of station number is operated in CM. The sub system having the CM can be integrated into the integrated OSS information interworking system 510.

5 is a block diagram illustrating a state in which integration is performed for each network management hierarchy of network management systems according to an embodiment of the present invention.

This is the result of the extraction and separation of similar subsystems belonging to the network operating hierarchy of each network management system according to the embodiment shown in FIG. Therefore, the integrated facility management system 430, the integrated OSS information interworking system 510 consisting of OSS iCM and TT of each network management system, the integrated statistics / analysis system 520 consisting of PM and Analysis M of each network management system and each The integrated TT system 530 consisting of PM and TT of the network management system is an integrated subsystem included in the integrated integrated network operating hierarchy 500 for each hierarchy.

That is, unlike the integrated network operating hierarchy 500, before the integration of the network operating hierarchy 400, before the integration of the hierarchy through the process of forming the integrated subsystem, the network operating hierarchy of the respective networks, or subs belonging thereto There is a difference between them in that they are simple sets of systems.

Since only the integration for each network operation system is performed up to FIG. 5, similar sub-systems are included in each network management system without being integrated for the network monitoring hierarchy 410 and the network interworking hierarchy 420. The second generation voice network management system 540, the IP data network management system 550, and the third generation network management system 560 remain without the subsystems belonging to the network operating hierarchy.

FIG. 6 is a block diagram illustrating a process of integrating by hierarchy to network monitoring hierarchy of each network management system according to an exemplary embodiment of the present invention.

In FIG. 6, it can be seen that the integrated subsystems 610 and 620 are also generated in the network monitoring hierarchy 410.

According to FIG. 6, an integration process is performed for a subsystem belonging to a network to be monitored. The criteria for integration into the network monitoring hierarchy depend on whether the monitoring target of each subsystem is a wireless network, a signaling network or a circuit network.

The intelligent network and additional network monitoring function of the 2G / 1X network monitoring system 244 is a 3G network monitoring system 264, and the wireless network and circuit network monitoring function of the 3G network monitoring system 264 is a 2G / 1X network monitoring system ( 244). Also, the additional network monitoring function of the HPDN / IP network monitoring system 256 is transferred to the 3G network monitoring system 264, and the packet network monitoring function of the 3G network monitoring system 264 is transferred to the HPDN / IP network monitoring system 256. do.

The 2G / 1X surveillance system is a wireless network / circuit voice network surveillance system 610, which is one integrated subsystem that mainly monitors wireless networks, circuit networks, and signal networks. In addition, the HPDN / IP network monitoring system 256 and the configuration / statistics system 254 are other integrated subsystems, a packet data network / IP network monitoring system and a transmission network monitoring system 620, and the 3G network monitoring system 264. Is redefined as another integrated subsystem, intelligent network / additional network monitoring system 630. Accordingly, the integrated network monitoring hierarchy 600, in which the integration by hierarchy is completed, includes a wireless network / circuit voice network monitoring system 610, a packet data network / IP network monitoring system and a transmission network monitoring system 620, and an intelligent network / additional network monitoring system. 630, such as an integrated subsystem.

FIG. 7 is a diagram illustrating a connection relationship between a network management system and network equipment before network integration for each level according to an embodiment of the present invention. Prior to describing the integration by hierarchy to the network interworking hierarchy, it is to describe the connection relationship between the sub-systems belonging to the network interworking hierarchy and network equipment.

In order for existing network devices to interwork with a specific network management system, a matching system supporting the same interface standard among matching systems (subsystem) included in a specific network management system could be found and interworked with the network management system.

For example, the network device 710 having the CMIP interface standard must go through the CMIP / SNMP matching system in order to be interworked with the second generation voice network management system 200, and the network device 720 having the ASCII interface standard manages the third generation network. In order to interwork with the system 220, the ASCII matching system 268 had to go through, and in order to interwork with the IP data network management system 210, the CORBA / ASCII matching system 260 had to go through.

In other words, different matching systems have to be selected depending on which network management system to interface with even network equipment having a common interface specification.

FIG. 8 is a block diagram illustrating a network management system in a state in which integration is performed for each network matching hierarchy according to an embodiment of the present invention. Integrating by level to network matching level is to separate and build the matching system distributed by each network management system into specialized matching system by interface (I / F) standard. CMIP matching system 810, which is one of the integrated subsystems, by integrating matching systems that accommodate network equipment 710 having CMIP interface specifications of all networks, and network equipment 720 having ASCII interface specifications of all networks. Accepting matching systems may be integrated into the ASCII matching system 820. And matching systems that accept network equipment 730 with SNMP interface specifications of all networks are SNMP matching systems 830, and matching systems that accept network equipment 740 with CORBA interface specifications of all networks are CORBA matching systems. 840 may be incorporated.

Accordingly, the integrated integrated network interworking hierarchy 800 for each level may include integrated subsystems such as CMIP matching system 810, ASCII matching system 820, SNMP matching system 830, and CORBA matching system 840. .

9 is a block diagram illustrating an overall system including an integrated network management system finally constructed according to an embodiment of the present invention. It can be seen that each network device is connected to the integrated network management system through the agent and the operation maintenance network by network type. The integrated network management system includes an integrated network operating hierarchy, an integrated network monitoring hierarchy, and an integrated network interworking hierarchy as described above, and each integrated network hierarchy includes integrated subsystems.

10 is a flowchart illustrating a method for integrating ranks in the above-described network management system according to an embodiment of the present invention.

Referring to FIG. 10, a process of dividing and integrating a plurality of network management systems to be integrated into three levels is illustrated based on the order of separation.

Each sub-system for the various types of network management systems to be integrated is divided into three levels, that is, a network interworking level, a network monitoring level, and a network operating level (S101). Since it is effective to integrate and manage the sub-systems of all network management systems included in the network interlocking system by the same interworking interface standard, it is divided by the interworking interface standard with the network equipment and integrated into the integrated network interlocking hierarchy (S102). Subsystems of all network management systems included in the network monitoring hierarchy require differentiated network monitoring tasks according to the characteristics of each network type. Therefore, by classifying the network to be monitored to integrate into the integrated network monitoring hierarchy (S103). Subsystem of all network management systems included in the network operation hierarchy needs integrated operation support for comprehensive information management for all networks, so it is divided into operation tasks that are common to all networks and the characteristics of data handled in each common task. Integrate to the integrated network operating hierarchy (S104). For reference, the order of which layers are first integrated into the integrated network hierarchy may be changed, and according to another embodiment of the present invention, the order of S102 to S104 may be changed.

Many embodiments other than the above-described embodiments are within the scope of the claims of the present invention.

Preferred embodiments of the present invention described above are disclosed for purposes of illustration, and those skilled in the art will be able to make various modifications, changes, and additions within the spirit and scope of the present invention. Should be considered to be within the scope of the following claims.

As described above, according to the preferred embodiment of the present invention, it is possible to provide a hierarchy-specific integration method of the network management system.

In addition, according to an embodiment of the present invention it is possible to provide a method for integrating a variety of network management systems that do not have a systematic and redundant, such as the function of the subsystem and the network management system.

In addition, according to an embodiment of the present invention can provide an integrated method of the network management system that can be effectively applied to the network management system domain compared to the uniform method applied to the existing general information processing system.

As a result, the present invention can provide an integrated network management system that can increase the utilization of existing resources already established, effectively encompass various existing network management functions, and respond appropriately to existing operating environments.

Claims (23)

In the network management system integration method of forming an integrated network management system incorporating two or more network management systems, (a) separating the two or more network management systems into two or more tiers, wherein the network management systems include subsystems belonging to the different tiers; (b) integrating the subsystems included in the network management system having the same rank among the separated network management systems to construct an integrated subsystem; (c) forming an unified network hierarchy using the unified subsystem; (d) repeating steps (b) to (c) as many as the number of steps; And (e) forming a unified network management system using the unified network hierarchy formed by two or more. The method of claim 1, Step (a) is And separating the network management system into an arbitrary level different from the network operating level. The method of claim 2, Step (b) is Separating the subsystems belonging to the network operating hierarchy according to data characteristics of data operated by the subsystems; And And assembling the sub-systems operating data having a common data characteristic to form the integrated sub-system. The method of claim 3, And forming an integrated network operating hierarchy using the integrated subsystem. The method of claim 1, Step (a) is And separating the network management system into an arbitrary level different from the network monitoring level. The method of claim 5, Step (b) is Separating the subsystems belonging to the network monitoring hierarchy according to the type of network monitored by the subsystem; And Bundling the subsystems for monitoring a common type of network and constructing them as the integrated subsystems. The method of claim 6, And forming an integrated network monitoring hierarchy using the integrated subsystem. The method of claim 1, Step (a) is And separating the network management system into an arbitrary hierarchy different from the network interworking hierarchy. The method of claim 8, Step (b) is Separating the subsystem belonging to the network interworking hierarchy according to the interface specification of the network equipment to which the subsystem interoperates; And And associating the sub-system interworking with the network equipment having the common interface standard and constructing the sub-system as the integrated sub-system. The method of claim 9, And forming an integrated network interworking hierarchy by using the integrated subsystem. The method of claim 1, The integrated network management system includes at least one of an integrated network operating hierarchy, an integrated network monitoring hierarchy, and an integrated network interworking hierarchy. In order to form an integrated network management system, a program of instructions that can be executed by the network management system is tangibly embodied, and as a recording medium that can be read by the network management system, A recording medium on which a program for performing the network management system integration method according to any one of claims 1 to 10 is recorded. Include at least two unified network hierarchies containing unified subsystems, The integrated subsystem is formed by the integrated grouping of the subsystems belonging to the same level among the subsystems included in the two or more network management system. The method of claim 13, One of the ranks is a network management rank. The method of claim 14, And the sub-system belonging to the network operating hierarchy is integrated grouped to form the integrated sub-system when data characteristics of data operated by the sub-system are common. The method of claim 15, One of said unified network levels is an unified network operating level, said unified network operating level including said unified subsystem. The method of claim 13, One of said ranks is a network monitoring rank. The method of claim 17, And the subsystems belonging to the network monitoring hierarchy are integrated grouped to form the integrated subsystem when the types of networks monitored by the subsystem are common. The method of claim 18, One of said unified network levels is an unified network monitoring level, said unified network monitoring level including said unified subsystem. The method of claim 13, One of the ranks is a network interworking hierarchy. The method of claim 20, And the sub-system belonging to the network interworking hierarchy is integrated grouped to form the integrated sub-system when the interface specification of the network equipment to which the sub-system interworks is common. The method of claim 21, One of the unified network hierarchies is an unified network interworking hierarchy, and the unified network interworking hierarchy includes the unified subsystem. The method of claim 13, The integrated network management system includes at least one of an integrated network operating hierarchy, an integrated network monitoring hierarchy, and an integrated network interworking hierarchy.

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