JP3025126B2 - Network line setting information management method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a network management system for centrally managing the operation state of the network by setting the line setting information in a plurality of nodes which are distributed and arranged on a network and perform connection line switching processing and the like. The present invention relates to a network line setting information management method realized by control from a network.

[0002]

2. Description of the Related Art A network is constructed by connecting a plurality of transmission devices or multiplex conversion devices having a switching function of connection lines to each other by a link which is a transmission line.

FIG. 2 and FIG. 3 show typical forms of a network. The network shown in FIG. 2 is a network called a star type, in which a plurality of nodes (transmission devices) N distributed and
The link L, which is a transmission path connecting between the nodes, the communication terminals T ₁ and T ₂ accommodated in each node N, the host computers C ₁ and C ₂ accessed from the communication terminals, and the operation state of the network are concentrated. And a network management system P for managing the nodes, and the nodes are connected in a diffuse manner by links.

On the other hand, the network shown in FIG. 3 is a network called a loop type, in which a plurality of nodes (transmission devices) N which are distributed and arranged, a link L which is a transmission line connecting the nodes N, Communication terminal T accommodated in each node N
₁ and T ₂ , host computers C ₁ and C ₂ accessed from the communication terminal, and a network management system P for centrally managing the operation state of the network are common to those in FIG. However, the difference is that the nodes are connected in a loop by links.

In FIG. 2 and FIG. 3, a host computer C ₁ is a host computer to be accessed by the communication terminal T ₁ , and a host computer C ₂
Is a host computer to be accessed from the communication terminal T _2.

In these FIGS. 2 and 3, when communication is performed between the communication terminal T ₂ and the host computer C ₂ shown by the arrow (a), any type of network is designated via a plurality of nodes. must set the transmission path path connecting the communication terminal T ₂ and the host computer C _2, to achieve the setting process of the transmission line path, line settings shown in the following (1) to (4) The information must be set correctly for each node.

-Contents of line setting information-(1) Link information connecting nodes (2) Location information of interface package used for link (3) Line information of no interface package (time slot per user) (4) Connection (line switching) information of time switch (TSW) in each node FIG. 4 shows the line setting information (1) to (4) for easy understanding. FIG. 3 illustrates an example of equipment on a node related to information and a state of a link connection between the nodes.

FIG. 4 shows a connection relationship among three nodes 1 to 3, wherein node 1 and node 2 are connected by link 1 and node 1 and node 3 are connected by link 2
, And node 2 and node 3 are connected by link 3. Each of the nodes 1 to 3 includes an interface package IP for accommodating a link or a communication terminal and an interface package I
A time switch TSW for controlling the connection relation between the link accommodated via the P and the communication terminals is provided. In FIG. 4, reference symbol C denotes a host computer, and T denotes a communication terminal.

Although not shown in FIG. 4, each node in the network has the above-mentioned line setting information (1) to (4).
Is provided with a memory using a storage device such as an EEPROM.

Usually, the above-mentioned line setting information (1) to
(4) is constructed by the network management system P, and is transferred to the memory of each node using a transmission path connecting the network management system P and each node.

Incidentally, the change of the line setting information set in each node is necessary in the following cases.

-Reason for change of line setting information-[1] Registration of new line [2] Setting change of number of used lines (transmission capacity) according to time zone [3] Setting of test line [4] When a path failure or the like occurs Change of circuit connection to detour route (backup route) Regardless of the reason for changing the circuit setting information, the change of the circuit setting information must be made promptly. Therefore,
Conventionally, the network management system P assumes a network operation pattern for each change reason in advance so that each of the change reasons [1] to [4] can be promptly dealt with. Line setting information in the operation pattern is created and stored for each node.

Further, each node on the network uses a memory having a plurality of memory surfaces for holding the line setting information. (Created by the management system P).

Then, the network management system P
The memory plane to be used by specifying the memory plane to be used for each node (line setting information)
To switch.

FIG. 5 shows a procedure of setting processing and switching processing of line setting information in a conventional network. The symbol a in the figure is the network management system P
2 shows line setting information transfer processing for transferring the line setting information of each node created in advance to a predetermined memory surface (surface 1 in this example) of each node. Reference numeral b denotes a memory surface designation process for individually notifying the memory surface (surface 1) of each node to which the line setting information to be used is transferred for each node. When the processes a and b are completed, the setting of the line setting information is completed, and the transmission service can be provided.

The code c is used for switching line setting information.
FIG. 14 shows a switching line setting information transfer process for transferring line setting information different from that in the process a (that is, for a different operation pattern) to another memory surface (surface 2 in this example) of each node. ing. Reference numeral d denotes a switching surface designation process for achieving switching of the line setting information by designating, for each node, the memory surface (surface 2) to which the switching line setting information has been transferred.

[0017]

However, in the above-described conventional method, by designating a memory surface from the network management system P, it is possible to switch the line setting information of each node according to the occurred change reason. .
However, the relationship between the operation pattern and the memory plane is individually managed for each node, and the memory plane allocated to each node is different even in the line setting information for the common operation pattern. Needs to repeat the process of searching for the memory surface to be specified for switching individually for each node.If the number of memory surfaces held by each node is large, or if the node to be switched is When the number is large, there is a problem that it is difficult to quickly end the switching.

Also, when it becomes necessary to change the line setting information of a certain node for a certain operation pattern previously created by the network management system P, for example, to add a connection line, etc. Operation pattern and memory plane (location on memory to save line setting information)
, It is difficult to grasp the relationship between nodes, and at the same time overlooking nodes to be corrected, or
There is a possibility that the operation may be delayed in order to check a related node.

The present invention has been made in view of the above circumstances, and in a case where line setting information to be used by each node is switched to change a network operation pattern, a memory designated to each node for switching. Even when the number of memory surfaces held by each node is large or the number of nodes to be switched is large, the switching can be completed quickly without the trouble of searching for a surface. If the relationship between the nodes can be easily grasped and the line setting information of a certain node needs to be changed, inconveniences such as overlooking the processing for the related node or delaying the work for checking the related node occur. It is an object of the present invention to provide a network line setting information management method that can prevent the occurrence of a call.

[0020]

According to a first aspect of the present invention, there is provided a network line setting information management system for setting line setting information in a plurality of nodes which are distributed on a network and perform connection line switching processing. A network line setting information management system realized by control from a network management system that centrally manages the operation state of the network.

However, as a means for solving the problem, each node distributed on the network has a plurality of line setting files describing line setting information necessary for enabling transmission between the nodes. A line setting file selection table is provided for holding the type and for associating a pattern number representing an operation pattern of the network with each line setting file owned by the own node to be used.

Further, the network management system is provided with a line setting file management table showing the correspondence between each pattern number prepared for each network operation pattern and the line setting file used by each node, thereby providing the same. In this operation pattern, the relationship between the line setting files used by each node is clarified.

Then, the network management system notifies each node of the pattern number, thereby switching and setting the line setting file used in each node to one corresponding to the pattern number.

A network line setting information management system according to a second aspect of the present invention is a further improvement of the network line setting information management system according to the first embodiment. The operation pattern information that defines the combination of line setting files and the line setting information for each node are managed on the network management system by distinguishing between the basic master file and the derived file created by copying the master file. The line setting information is configured to be allowed to be edited only in the case of the master file.

[0025]

According to the first aspect of the present invention, there is provided a network line setting information management system which stores a line setting file management table indicating correspondence between each pattern number prepared for each network operation pattern and a line setting file used by each node. By equipping each node with a line setting file selection table that associates a pattern number that represents the operation pattern of the network with each line setting file that is owned by the own node while equipping the network management system, The setting and switching of the line setting information of each node are managed by the pattern number data common to all the nodes.

Therefore, when switching the line setting information to be used by each node in order to change the operation pattern of the network, the switching process can be realized only by notifying the same pattern number to all nodes to be switched. Even if there is no need to search for the memory surface specified for each node for switching, and even if the number of memory surfaces held by each node is large or the number of nodes to be switched is large, switching can be performed quickly. Can be terminated.

Further, the relationship between the nodes can be easily grasped from the information of the line setting file management table.
Even when it is necessary to change the line setting information of a certain node, it is possible to prevent inconvenience such as overlooking the processing for the related node or delaying the work for checking the related node.

According to the network line setting information management system of the present invention, when a line setting file describing operation pattern data and line setting information is created, an existing one can be used. The copy process is diverted, and only non-existing data is newly created.The newly created one is managed as a master file, and the copy is managed as a derivative file. Because it is restricted to files only, the operation pattern created by copying the same master file can be modified without any effort, reducing the burden of modifying the line setting information and at the same time, Can prevent the occurrence of inconveniences caused by the above and realize highly reliable line setting information management.

[0029]

FIG. 1 shows an embodiment of a network line setting information management system according to the present invention. In FIG. 1, reference numeral 10 in the figure is distributed on a network and performs connection line switching processing and the like. One of a plurality of nodes (transmission devices) is shown, and 20 is a network management system for centrally managing the operation state of the network.

The setting of the line setting information in each node distributed on the network is realized by control from the network management system 20. Each of the nodes 10 distributed on the network is provided with a memory 11 having a plurality of memory surfaces and a line setting file selection table 12. Also, the memory 11
A storage device such as an EEPROM is used, and each memory surface (in this embodiment, each of surfaces 1 to m) holds a line setting file in which line setting information is described.

The line setting file includes: (1) link information connecting between nodes; (2) information on the accommodation position of an interface package used for a link; and (3) line information in the interface package (the number of time slots per user). (4) Line setting information such as connection (circuit switching) information of a time switch (TSW) in each node is described. Such a line setting file is stored in the network management system 2.
0 created in the network management system 20
The data is transferred to the respective nodes using a transmission path connecting the and each node 10, and is stored in a predetermined memory surface.

The line setting file selection table 12
Is for associating a pattern number indicating a network operation pattern with each line setting file owned by the own node to be used. In this embodiment, as shown in FIG.
The table has a table structure in which the pattern number 12a is associated with the number of the memory surface on the memory 11 holding the line setting file used for the pattern number. The data of the line setting file selection table 12 is also created by the network management system 20 and transferred to each node using the transmission path connecting the network management system 20 and each node 10.

On the other hand, the network management system 20 has a function of creating a plurality of line setting files f _{1 to} f _n to be used in each node and transferring the files to the corresponding nodes. In this embodiment, the line setting file management table 21 is created and stored in the process of creating the line setting file.
Each of the line setting files f _{1 to} f _n created by the network management system 20 has a different operation pattern, and is stored on a separate memory surface for each file at the transfer destination node.

The line setting file management table 21
7 is a list in which each pattern number prepared for each network operation pattern is associated with a line setting file used in each node, as shown in FIG. In the case of this embodiment, the table number is arranged in the horizontal axis direction and the node number 21b of each node is arranged in the vertical axis direction. The storage position (that is, the memory surface on the memory 11) of the line setting file to be used in the pattern is described.

For example, when the operation pattern is pattern 1, the line setting file to be used in the node # 1 is the line setting file held in the memory surface 1 of the memory 11.

In the table of FIG. 7, for one node, data obtained by extracting information on the memory surface holding the line setting file to be used for all operation patterns (for example, the shaded area in FIG. 7). FIG. 6)
Is the data of the line setting file selection table 12 shown in FIG.

That is, the line setting file management table 21
Then, by examining the location (memory side) of the line setting file in the horizontal direction, the correlation between the operation pattern and the line setting file can be easily confirmed on a node-by-node basis. Location (memory side)
, It is possible to easily confirm the relationship between nodes for each operation pattern.

FIG. 8 shows the network management system 2.
Reference numeral 0 denotes a procedure for setting and switching line setting information for each node on the network.
A symbol a in the figure indicates a line setting information transfer process for transferring a plurality of line setting files for each node created in advance by the network management system 20 to the memory 11 of each node.

Reference numeral b denotes a file selection data transfer process for transferring data of the line setting file selection table 12 for enabling selection of a line setting file to be used according to the operation pattern. In this file selection data transfer processing, the "pattern number" and the "file number (memory number in this embodiment)" of the line setting file corresponding thereto are paired, and each node is operated by the number of operation patterns. Is forwarded to In the example of FIG.
PT1 represents pattern number 1, and PL1 represents that the file number (memory surface) is 1.

Reference numeral c indicates an operation pattern setting process for designating an operation pattern (pattern number) for each node and selecting a line setting file to be used.
When the above processes a to c are completed, the setting of the line setting information is completed, and the transmission service can be provided.

Reference numeral d denotes an operation pattern switching process for re-designating the pattern number and switching the line setting file used by each node. The multiple line configuration files stored in each node are
Since a common pattern number is specified for all nodes, it is possible to reliably switch to a line setting file for a desired operation pattern only by transferring the same information (pattern number) to each node.

Next, the network management system 20
The process of creating a line setting file and the process of setting an operation pattern required to create the line setting file management table 21 will be described.

In the network management system 20 of this embodiment, as shown in FIG. 9, an operation pattern 30, a line setting file (memory surface) 31 of each node to be used,
Specific line setting information 3 described in each line setting file
2 are hierarchically managed.

The operation pattern information defining the combination of the line setting files between the nodes and the line setting information of each node include a basic master file and a derivative file created by copying the master file. And managed on the network management system 20,
Editing of line setting information is permitted only in the case of a master file.

Hereinafter, these functions of the network management system 20 will be described in detail.

When the first operation pattern is created, first, a pattern number (for example, 1) is determined, and then a line setting file number (a memory surface number, for example, 1) to be used for each node is determined. After setting, an operation pattern in which the memory surface numbers of all nodes are linked is determined. FIG. 10 shows an example of the operation pattern. In FIG. 10, pattern 1 corresponds to the operation pattern created first.
The first pattern created is the master file.
Then, specific line setting information is set and stored in a line setting file corresponding to the memory surface number of each node on the determined pattern. When the first operation pattern is created, all the created line setting files are set in the master file. In FIG. 10, the shaded pattern numbers and memory surface numbers indicate that each is a master file.

When a new operation pattern is created in a state in which another operation pattern has already been created, when a memory surface of each node constituting the pattern uses a new surface which is not in the existing operation pattern. Creates each data in the same procedure as when the first operation pattern is created. In this case as well, the pattern data in which the memory surface numbers of each node are arranged and all the line setting file data corresponding to each memory surface number become the master file. In FIG. 10, the case of pattern 5 corresponds.

When a new operation pattern is created in a state where another operation pattern has already been created, a part of the memory surface of each node constituting the pattern is already existing (registered).
In the case of the common operation pattern, the common memory surface is copied from the existing operation pattern (master file) to create a pattern-type base in which the memory surfaces are arranged. Then, an operation pattern is completed by specifying a new memory surface only in a portion corresponding to a new memory surface that is not in the existing operation pattern, and furthermore, a line setting file corresponding to the newly specified memory surface is stored in a line setting file. Describe and save the necessary line setting information.

In an operation pattern created by copying an existing operation pattern, if there is a newly created memory surface (line setting file), both the operation pattern and the newly created line setting file are registered as master files.・ Managed. In the example of FIG.
Corresponds to this case. Patterns 2 and 3 are based on a copy of pattern 1, but in the case of pattern 2, a new memory surface for nodes 3 to 6 is created, and in the case of pattern 3, a memory surface for nodes 1 to 3 Is newly created.

The operation pattern in which each memory surface constituting the pattern is created by copying the memory surface of the existing operation pattern is managed as a derived pattern. In the example of FIG. 10, the case of pattern 4 corresponds.

In FIG. 10 described above, five operation patterns 1 to 5 are shown. However, the number of registered operation patterns is limited by the capacity of the storage device provided in the network management system 20, and When the capacity of the device is used up, it is necessary to partially change an existing operation pattern that has already been registered or to make a new one. In that case, if the line setting information needs to be changed, the operation pattern (master pattern) that is the master file
The editing function is restricted so that changes can be accepted only on the memory side (line setting file) managed as the above master file.

FIG. 11 shows the network management system 20.
2 shows a processing procedure when changing the line setting information of a certain node managed by the above.

When an operation pattern using the line setting file to be changed is designated, it is first determined whether or not the operation pattern is a master pattern (step 51). Returning, the selection of the master pattern is prompted (step 52). Next, when a memory surface to be changed (a master file) on the master pattern set as a change target is selected (step 53), the line setting file can be edited. When the editing is completed, The edited line setting file is stored in a predetermined location in the network management system 20, and is simultaneously transferred to the corresponding node (step 54). After the transfer of the line setting file, the pattern number setting process using the line setting file is completed (step 55), and the series of change processes ends.

FIG. 12 shows a configuration example of a display screen on a display when an operation pattern managed by the network management system 20 according to one embodiment of the present invention is confirmed. The display screen is a multi-window display. The symbol G1 in the figure indicates a pattern number, and below each pattern number, the presence of a derived pattern for the operation pattern is displayed. Reference numeral G2 indicates each node, and reference numeral G3 indicates a line setting file (memory surface number) for each right operation pattern of each node.
Is displayed.

In this display example, operation pattern 1 indicates that operation patterns 2 and 3 are managed as derivative patterns of operation pattern 1.

Due to the limitation of the capacity of the storage device for storing the operation pattern, a process for deleting the existing operation pattern is also required. When the master pattern is deleted, the information management work is facilitated by automatically deleting the information managed as the master file among the line setting files constituting the pattern. However,
The master pattern including the derived pattern is set so as not to be erased, thereby preventing the occurrence of unauthorized data erasure.

In the network line setting information management system of the embodiment described above, a line setting file management system showing the correspondence between each pattern number prepared for each network operation pattern and the line setting file used by each node. While the table 21 is provided in the network management system 20, each node 10 is provided with a line setting file selection table 12 for associating a pattern number representing a network operation pattern with each line setting file of the own node to be used. By setting, the setting and switching of the line setting information of each node are managed by the pattern number data common to all nodes in the network, and each node should be used for changing the operation pattern of the network When switching the line setting information, The switching process can be realized only by notifying the same pattern number to the node, and there is no need to search for the memory surface specified for each node for switching, and the number of memory surfaces held by each node is large Alternatively, even when the number of nodes to be switched is large, the switching can be quickly completed.

Further, the relationship between the nodes can be easily grasped from the information in the line setting file management table 21, and even if it becomes necessary to change the line setting information of a certain node, the processing for the related node is performed. It is also possible to prevent inconveniences such as delaying the work for overlooking or checking related nodes.

Further, in the above-described embodiment, when a line setting file describing operation pattern data and line setting information is created, an existing file can be diverted by copy processing and not existing. Only new data is created.Newly created data is managed as a master file, and copy data is managed as a derived file.Editing such as changing line setting information is restricted to the master file only. Modification of the operation pattern created by copying the master file can be realized without any work, reducing the burden of correcting the line setting information and preventing the occurrence of inconvenience due to human error. Thus, highly reliable line setting information management can be realized.

[0060]

As is apparent from the above description, the network line setting information management system according to the first aspect of the present invention provides a network setting information management method for each pattern number prepared for each network operation pattern and a line setting file used by each node. While the network management system is equipped with a line configuration file management table indicating the correspondence between the network configuration system and the network configuration system, a line configuration file selection table for associating a pattern number representing a network operation pattern with each line configuration file of the own node to be used is provided. By equipping the nodes, the setting and switching of the line setting information of each node is managed by the pattern number data common to all the nodes in the network.

Therefore, when switching the line setting information to be used by each node to change the operation pattern of the network, the switching process can be realized only by notifying the same pattern number to all nodes to be switched. Even if there is no need to search for the memory surface specified for each node for switching, and even if the number of memory surfaces held by each node is large or the number of nodes to be switched is large, switching can be performed quickly. Can be terminated.

Further, the relationship between nodes can be easily grasped from the information of the line setting file management table.
Even when it is necessary to change the line setting information of a certain node, it is possible to prevent inconvenience such as overlooking the processing for the related node or delaying the work for checking the related node.

Further, in the network line setting information management method according to the second aspect, when a line setting file describing operation pattern data and line setting information is created, an existing one can be used. The copy process is diverted, and only non-existing data is newly created.The newly created one is managed as a master file, and the copy is managed as a derivative file. Because it is restricted to files only, the operation pattern created by copying the same master file can be modified without any effort, reducing the burden of modifying the line setting information and at the same time, Can prevent the occurrence of inconveniences caused by the above and realize highly reliable line setting information management.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.

FIG. 2 is a model diagram of a form of a network.

FIG. 3 is a model diagram of a form of a network.

FIG. 4 is an explanatory diagram of a connection mode between nodes on a network.

FIG. 5 is an explanatory diagram of a switching method of line setting information in a conventional network.

FIG. 6 is an explanatory diagram of a line setting file selection table used in one embodiment of the present invention.

FIG. 7 is an explanatory diagram of a line setting file management table used in one embodiment of the present invention.

FIG. 8 is an explanatory diagram of line setting information setting / switching processing according to an embodiment of the present invention.

FIG. 9 is an explanatory diagram of a data management structure in the network management system according to one embodiment of the present invention.

FIG. 10 is an explanatory diagram of line setting information creation processing and management in one embodiment of the present invention.

FIG. 11 is an explanatory diagram of a process of changing line setting information according to an embodiment of the present invention.

FIG. 12 is an explanatory diagram of a screen display example of a line setting file management table according to an embodiment of the present invention.

[Explanation of symbols]

10 node 11 memory 12 line configuration file selection table 20 network management system 21 line configuration file management table f _1, f _2, f ₃ line configuration file

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G06F 13/00 H04L 12/00

Claims (2)

(57) [Claims] The present invention realizes setting of line setting information in a plurality of nodes that are distributed and arranged on a network and perform connection line switching processing and the like by control from a network management system that centrally manages the operation state of the network. A network line setting information management method in which each node distributed and deployed on a network holds a plurality of types of line setting files that describe line setting information necessary for enabling transmission between nodes. In addition, a line setting file selection table for associating a pattern number representing a network operation pattern with each line setting file of the own node to be used is provided, and the network management system is prepared for each network operation pattern. Line numbers used for each pattern number and each node By providing a line setting file management table indicating the correspondence with the file, the relation of the line setting file used by each node in the same operation pattern is clarified, and the network management system notifies each node of the pattern number. A line setting information management method for a network, characterized in that a line setting file used by each node is switched to a file corresponding to a pattern number. 2. The operation pattern information defining the combination of line setting files between nodes and the line setting information of each node include a basic master file and a derived file created by copying the master file. 2. The network line setting information management system according to claim 1, wherein the line setting information is managed on a network management system and editing is permitted only in the case of a master file.