JPH10164058A - Verification method/device for network constitution information - Google Patents

Abstract

PROBLEM TO BE SOLVED: To detect the logic contradiction of network constitution information owing to a design error in an early stage by extracting station information containing information on transmission devices by individual stations and inter-device connection information containing connection information between the transmission devices from inputted network constitution information, comparing station information and inter-device connection information and verifying logic contraction between both information. SOLUTION: A network management device 2 extracts station information and inter-device connection information from network constitution information inputted from a network design management device 1 and registers them in the station information table 261 and the connection information table 262 of a network constitution verification information storage part 26. When a station 6a and a station 6b are designated as the objective range of verification from the network design management device 1 and the logic contradiction verification request of network constitution information is inputted, a network constitution information verification part 23 retrieves information on the designated stations 6a and 6b of the network constitution verification information storage part 26, compares both information and verifies the presence or absence of logic contradiction. Thus, logic contradiction as whole network constitution information can be verified.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for verifying network configuration information, and more particularly to a method and apparatus for verifying whether or not logical inconsistency exists in network configuration information.

[0002]

2. Description of the Related Art FIG. 3 is a block diagram showing a configuration of a network management system. This network management system includes a network 5 to be managed, a network management device 2 for managing the network 5, a designed network 5.
And a network design management device 1 for inputting the network configuration design information to the network management device 2. The network 5 includes one or more transmission devices 4 and a transmission monitor for controlling and monitoring these transmission devices 4. It comprises a plurality of stations 6 having a control device 3.

The transmission monitoring and control devices 3 of each station 6 control and monitor the operation of the transmission device 4 based on the stored operation information. This operation information is transmitted to the network management device 2
Registers network configuration information input from the network design management device 1 in the network configuration information storage unit, generates operation information of each station 6 based on the registered network configuration information after a predetermined time has elapsed, and It has been downloaded to the device 3.

As shown in FIG. 4A, the network configuration information stored in the network configuration information storage unit includes a device number for each transmission device 4 of each station 6, a station name, and mounting information in the device. And connection information between devices including logical paths. The operation information stored in the operation information storage unit is, as shown in FIG.
It is composed of a device number for each transmission monitoring control device 3 of each station 6, a station name, control, and network configuration information of the transmission device 4 in the same station to be monitored.

The processing for maintaining and changing the network configuration information and operation information is described in, for example, JP-A-63-23643.
No. 5 allows each station to change its own configuration information, which may cause a difference in the configuration information between the stations, interrupting the communication, or taking a long time to make them consistent. For the purpose of avoiding, the network configuration information is centrally managed by the network management device, and the presence or absence of change in the network configuration information of each station is constantly checked. A "network configuration information management method" is disclosed which changes the network configuration information to existing network configuration information.

Japanese Patent Application Laid-Open No. 2-305139 discloses a network configuration for shortening the configuration change processing time and reducing the influence of the configuration change on other communication routes to improve the efficiency of network operation. A "network configuration change method" is disclosed in which when information is changed, only the information of the changed portion is sent to each station.

[0007]

The conventional network management device is:
Although the validity of the content of each received network configuration information is verified, the operation information is generated without verifying the logical inconsistency of the entire network configuration information.
If network configuration information that makes the correspondence between the transmission device and the station unreasonable is entered, such as when one device is duplicated in multiple stations or there is a writing omission, the conventional validity check Such a logical inconsistency is discovered after the transmission monitoring and control device starts operation based on the operation information without being discovered, and as a result, there is a problem that the discovery of a design error in the network configuration information is delayed.

[0008] Each of the above-mentioned conventional systems is a change processing system when the network configuration information is changed, and it is possible to prevent a logical inconsistency of the network configuration information due to a design error to be solved by the present invention. has no effect.

SUMMARY OF THE INVENTION An object of the present invention is to provide a network configuration information verification method capable of detecting a logical inconsistency of network configuration information due to a design error or the like at an early stage and performing efficient network operation.

[0010]

A network configuration information verifying method according to the present invention is characterized in that station information including information on a transmission device for each station from input network configuration information and inter-device information including connection information between transmission devices. When connection information is extracted and verification of logical inconsistency is instructed, station information and inter-device connection information are compared to verify logical inconsistency between the two, and the result is output.

The network configuration information verification device of the present invention searches for information on a transmission device for each station from the input network configuration information and stores the information as station information in a storage device. Device-to-device connection information registration means for retrieving connection information between transmission devices from the information and storing it in the storage device as device-to-device connection information; and comparing station information and device-to-device connection information stored in the storage device with logic. Network configuration information verification means for verifying the inconsistency; and verification result output means for outputting a verification result of the network configuration information verification means.

[0012]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a functional block diagram of a network management device 2 according to one embodiment of the present invention, and FIG. 2 is a flowchart showing the operation of the network management device 2.

In FIG. 1, a network management device 2 according to this embodiment
Is a design device communication unit 22 that inputs and outputs data to and from the network design management device 1, a network configuration information verification unit 23 that verifies logical inconsistency of network configuration information, and a transmission monitoring control device 3 of each station 6.
An operation information generation unit 24 for generating operation information of the network, a network configuration information storage unit 25 for registering network configuration information input from the network design management device 1, and a network configuration verification information storage unit for registering verification information for network configuration information 26, an operation information storage unit 27 for registering the operation information generated by the operation information generation unit 24, and a transmission device communication unit 28 for communicating with the transmission monitoring control device 3. In addition, the network configuration verification information storage unit 26 includes a station information table 261 storing information on devices for each station extracted from the network configuration information, and an inter-device connection information table 262 storing connection information between the devices. Having.

Next, the operation of the network management device 2 will be described with reference to FIG.

FIG. 2A shows a network management device 2 for network configuration information.
It is a flowchart of the storing process to the storage device. First, the network design management device 1
(Step A1), the design apparatus communication unit 22 checks the contents of the network configuration information (step A2). If the check result is normal, the network configuration information is stored. Register in the unit 25 (step A
3). Next, station information and inter-device connection information are extracted from the network configuration information and registered in the network configuration verification information storage unit 26 (step A4), and the processing result is notified to the network design management device 1 (step A5).

Next, FIG. 2B is a flowchart of a process of generating operation information. First, a request for generating operation information for the transmission monitoring control device 3 is sent from the network design management device 1 to the central management unit 21 via the design device communication unit 22. Upon receiving the operation information generation request, the central management unit 21 transmits the operation information generation unit 24
Is instructed to generate operation information (step B1). The operation information generation unit 24 extracts necessary information for each transmission monitoring control device 3 from the network configuration information storage unit 25 to generate operation information, and sends the generation result to the central management unit 21 (step B).
2). The central management unit 21 transmits the generation result sent from the operation information generation unit 24 to the network design management device 1 via the design device communication unit 22, checks the generation result (step B3), and determines that the generation result is normal. If determined, the operation information generated by the operation information generation unit 24 is registered in the operation information storage unit 27 (step B4). When the registration of the operation information in the operation information storage unit 27 is completed, the central management unit 21 sends a request to download the operation information to the transmission device communication unit 28. In response to the download request, the transmission device communication unit 28 reads the operation information registered in the operation information storage unit 27, and performs a download process to each transmission monitoring control device 3 (step B5).

FIG. 2C is a flowchart of a process for verifying the logical inconsistency of the network configuration information. When, for example, the stations 6a and 6b are designated as the verification target ranges from the network design management device 1 and a logical inconsistency verification request of the network configuration information is input, the design device communication unit 22 transmits the verification request to the network configuration. The information is sent to the information verification unit 23. The network configuration information verification unit 23 searches the station information table 261 and the connection information table 262 for the designated stations 6a and 6b in the network configuration verification information storage unit 26, compares the two, and compares the two. Verify presence. Then, the verification result is transmitted to the network design management device 1 via the design communication unit 22 (C3).

For example, as shown in FIG. 3, the transmission device 41a, 42a exists in the station 6a, and the transmission device 41b
Exists, and the transmission device 41a is connected to the transmission devices 41b and 42a. If the correspondence between the transmission device 42a and the station 6a is lost in the input network configuration information, Station 6a in the extracted station information table 261
, Only the transmission device 41a is registered, while the inter-device connection information table 262 stores the transmission device 41a in the transmission device 41a.
It is registered to connect to b and 42a.

Therefore, when a logical inconsistency verification request of network configuration information is input from the network design management device 1, the network configuration information verification unit 23 transmits the station information table 261 and the connection information table 262.
Are compared, and it is detected that there is no corresponding station name of the transmission device 42a.
Sent to.

[0021]

As described above, according to the present invention, station information including information on a transmission device for each station and inter-device connection information including connection information between transmission devices are extracted from the input network configuration information. When instructed to verify the logical contradiction, the station information and the inter-device connection information are compared, the logical contradiction between the two is verified, and the result is output. There is an effect that the logical inconsistency of can be found early.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing a configuration of a network management device 2 according to one embodiment of the present invention.

FIG. 2 is a flowchart showing an operation of the network management device 2. (A) Flow chart of processing of storing network configuration information in network management device 2 (b) Flow chart of processing of generating operation information (c) Flow chart of verification processing of logical inconsistency of network configuration information

FIG. 3 is a block diagram illustrating a configuration of a network management system.

FIG. 4 is a diagram showing a format example of network configuration information and operation information. (A) Network configuration information (b) Operation information

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Network design management device 2 Network management device 3 Transmission monitoring control device 4, 41a, 41b, 42a Transmission device 5 Network 6, 6a, 6b station 21 Central management unit 22 Design device communication unit 23 Network configuration information verification unit 24 Operation information generation Unit 25 network configuration information storage unit 26 network configuration verification information storage unit 27 operation information storage unit 28 transmission device communication unit 261 station information table 262 inter-device connection information table A1 to A5, B1 to B5, C1 to C3 step

Claims (3)

[Claims] 1. A network in which a plurality of stations each including at least one transmission device and a transmission monitoring control device for controlling the operation of the transmission device are interconnected, and the transmission monitoring is performed based on input network configuration information. A network configuration information verification method for a network management system, comprising: a network management device that generates operation information of a control device and manages the operation of a network; and a network design management device into which the designed network configuration information is input. Station information including transmission device information for each station and inter-device connection information including connection information between transmission devices are extracted from the extracted network configuration information, and the extracted station information and inter-device connection information are compared. And verifying whether there is a logical contradiction between the two, and outputting the verification result. 2. A network in which a plurality of stations each including one or more transmission devices and a transmission monitoring control device for controlling the operation of these transmission devices are connected to each other, and said transmission is performed based on input network configuration information. In a network configuration information verification device of a network management system, comprising: a network management device that generates operation information of the monitoring control device and manages the network; and a network design management device into which the designed network configuration information is input. Station information registration means for retrieving information on a transmission device for each station from the network configuration information and storing it as station information in a storage device; and retrieving connection information between the transmission devices from the input network configuration information, Device connection information registration means for storing in the storage device as connection information, and network configuration information verification means for comparing the station information and the device connection information stored in the storage device and verifying whether there is a logical inconsistency. And before Network configuration information verification apparatus characterized by having a verification result output means for outputting a verification result of the network configuration information verifying section. 3. The station information includes an identification number of each station and an identification number of a transmission device belonging to the station, and the connection information includes an identification number of each transmission device and a transmission destination of the other party connected to each transmission device. 3. The network configuration information verification device according to claim 2, wherein the network configuration information verification device is registered in a pair with the identification number of the device.