JPH09252307A - Address management communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an address management communication system in which addresses of operating machines are managed definitely and a communication application program is used to conduct communication without taking notice of the addresses. SOLUTION: An address management file 100 includes essential items to manage addresses. An address management section 11 relates communication application programs 23, 33 in communication clients 20, 30 to machine addresses to manage whether or not they are approved of communication. A system interface section 12 interfaces the communication clients 20, 30 with the address management section 11. Address acquisition interface sections 21, 31 acquire addresses of communication destinations. The communication interface sections 22, 32 interface the communication clients 20, 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an address management communication system, and more particularly to an address management communication system that manages an allocated machine address when communicating via a network.

[0002]

2. Description of the Related Art When performing application communication between various machines connected to a computer network, it is necessary to specify an address for identifying the machines.

For example, TCP / IP (Transmis)
Sion Control Protocol / Int
In the case of the Internet Protocol), an address is specified using an identifier such as an IP address or a port number, and application communication between systems is performed.

In such application communication between systems, there are a case where a protocol such as TCP / IP is directly used and a case where application communication between systems is indirectly performed by middleware.

[0005]

However, in the case of performing application communication by directly using the protocol, it is necessary to describe the address of the arrangement machine where the communication destination application exists in the application communication. The application had to be modified when relocating. Also, since this method is aware of the lower-layer protocol, the application creator needs advanced knowledge.

On the other hand, in the case of indirectly performing application communication between systems by middleware, it is often the case that the definition and address of a machine are held fixed for each operating environment, so there is little need to modify the application when changing the machine. Has become. However, since the definitions are distributed to various machines, it takes a lot of time to manage the system to maintain the consistency.

The present invention has been made in view of the above circumstances, and enables application communication between a plurality of systems without making the communication application aware of the change of the address due to the change of the machine, thereby facilitating the system maintenance. It is an object of the present invention to provide an address management communication system.

Further, another object of the present invention is to provide an address management communication system for performing highly reliable application communication. Another object of the present invention is to
An object is to provide an address management communication system that manages machine connect information for communication applications.

Still another object of the present invention is to provide an address management communication system for performing accurate and safe security management control. Another object of the present invention is to
An object of the present invention is to provide an address management communication system in which flexibility is enhanced by excluding security management.

Further, another object of the present invention is to provide an address management communication system capable of changing the arrangement of addresses during the operation of the system. Another object of the present invention is to provide an address management communication system characterized by high-speed communication.

Still another object of the present invention is to provide an address management communication system which does not require application modification even when addresses are dynamically changed.

[0012]

FIG. 1 is a diagram illustrating the principle of the present invention for achieving the above object. The address management communication system is composed of communication clients 20 and 30, and an application address management server 10 that manages a placement machine address (hereinafter abbreviated as an address) when communication is performed between the communication clients 20 and 30. Each is coupled to network 40.

Application address management server 10
Is an address management list 100 including necessary items for managing addresses, an address management unit 11 that manages and manages addresses when communication is performed between the communication clients 20 and 30, and the communication clients 20 and 30 and address management. And a system interface unit 12 that interfaces with the unit 11.

The communication clients 20 and 30 have an address acquisition interface section 2 for acquiring the address of the communication partner.
Communication interface units 22 and 32 that interface communication between the communication clients 1 and 31 and the communication clients 20 and 30.
And communication applications 23 and 33 which are applications for performing communication.

Here, the address management list 100 is created with items necessary for managing addresses. The address management unit 11 associates the communication application inside the client with the address, and manages the presence or absence of communication authority between the communication applications by using the address management book 100. The system interface unit 12 serves as an interface between the client and the address management unit 11. Before the communication, the address acquisition interface units 21 and 31 receive the address of the communication destination as the system interface unit 12.
To request the address management unit 11 to obtain the address. The communication applications 23 and 33 communicate using the acquired addresses via the communication interface units 22 and 32.

[0016]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a principle diagram of an address management communication system of the present invention. The address management communication system includes communication clients 20 and 30 and an application address management server 10 that manages addresses when communication is performed between the communication clients 20 and 30.
Each is coupled to network 40.

Application address management server 10
Is an address management list 100 including necessary items for managing addresses, and an address management unit 11 that manages addresses when communication is performed between the communication clients 20 and 30.
And the communication clients 20 and 30 and the address management unit 11
System interface unit 1 for interfacing with
And 2.

The communication clients 20 and 30 have an address acquisition interface section 2 for acquiring the address of the communication partner.
Communication interface units 22 and 32 that serve as interfaces for communication between the communication clients 1 and 31 and the communication clients 20 and 30.
And communication applications 23 and 33 which are applications for performing communication.

Next, each component of the address management communication system will be described. The address management book 100 is created with items necessary for managing addresses. This item includes a communication application ID, security check availability, communication authority, access password, address, directory, and connect list address. Details will be described later.

The address management unit 11 associates the communication application inside the communication client with the address, determines whether or not there is communication authority between the communication applications by using the address management book 100, and controls the communication as a whole. Manage.

The control contents include maintenance / management of the operating status of the communication client, determination of communication availability of the communication destination application, address management of the communication client operating the communication destination application, and notification to the communication source application.

The system interface unit 12 serves as an interface between the communication clients 20 and 30 and the address management unit 11 via the network 40. The address acquisition interface units 21 and 31 request the address of the communication destination client to the address management unit 11 through the system interface unit 12 and acquire the address before the communication source client performs communication.

The communication interface units 22 and 32 serve as an interface for communication between the communication clients 20 and 30. Next, the address management communication system of the present invention is
A configuration when applied to communication using P / IP will be described. FIG. 2 is an overall block diagram of the address management communication system. The address management communication system includes communication clients 20 and 30 and an application address management server 10 that manages addresses when communication is performed between the communication clients 20 and 30, and each is connected to a network 40.

The address management server 10 comprises an address management book 100, an address management unit 11, a system interface unit 12, and a TCP / IP driver 13 for controlling the device.

The communication clients 20 and 30 include address acquisition interface units 21 and 31, communication interface units 22 and 32, and communication applications 23 and 33.
And a TCP / IP driver 24 for controlling the device,
And 34.

Next, the overall communication procedure of the present invention will be described with reference to FIGS. 2 and 3. FIG. 3 is a flowchart showing an outline of the communication procedure. [S1] The source application 23 uses the application address management server 1 through the address acquisition interface unit 21 and the TCP / IP driver 24 to determine the destination address of the destination application 33.
Query 0. [S2] In the application address management server 10, the fact is notified to the address management unit 11 through the TCP / IP driver 13 and the system interface unit 12. [S3] The address management unit 11 performs a password check and a communication right check using the address management book 100, and then acquires the IP address of the communication destination client 30 in which the communication destination application 33 is arranged.
However, in this case, while the dynamic address update is being performed, the address management unit 11 waits until the dynamic address update is completed. [S4] The acquired address is returned to the communication source application 23 through the same route. Using this address, communication interface units 22 and 32 and TCP / IP2
Communication with the communication destination application 33 is performed through the communication terminals 4 and 34.

Next, the address management list will be described.
FIG. 4 is a diagram showing the structure of the address management book. The address management book 100 includes a communication address ID 101, a security check permission / prohibition 102, a communication authority 103, an access password 104, an address 105, a directory 106, and a connect list address 107.

The communication application ID 101 is a search key for a communication source application and a communication destination application. Further, FROMAPP and TOAPP are program IDs or application IDs that have a one-to-one relationship with the program names.

The security check permission / inhibition 102 indicates whether or not the password and the communication authority can be checked. ○ means security check, × means no security check.

The communication authority 103 includes reference (SELECT) and update (U
PDATE), create (CREATE), and delete (DELETE). For example, if the reference of FROMAPP is ○ and the update, creation, or deletion is ×, it means that the attribute of reference is
Indicates that communication with the other party is possible. When the reference and update of TOAPP is ◯ and the creation and deletion are ×, it means that the attributes of reference and update can communicate with the other party.

The access password 104 is a password for accessing the communication destination application.
If the security check is not checked (in the case of ×), the access password is not required. this is,
This is because the communication authorizations are not compared between communication applications. Therefore, since the security check permission / prohibition 102 of FROMAPP is x, an access password is not required. Further, since the security check permission / prohibition 102 of TOAPP is ◯, an access password is required. Here, the access password is TOPASS.

The address 105 is the address of the application placement machine. In the figure, TCP / IP IP
The address is set. The address of the placement machine with FROMAPP is 128.9.2.1 and TOAP
The address of the placement machine with P is 128.9.2.2.

The directory 106 is a directory that gives storage location information to the user. FROMAPP
Directory is / usr / bin, and TOAPP
Directory is / load / h001 / bin.

The connect list address 110 indicates the address of the connect list for managing from which machine the communication application may be currently connected. Here, FROMAP is assigned to the address
There is a connect list corresponding to P.

As described above, the address management list and the address management unit are provided on the application address management server to centrally manage the addresses. This enables application communication between communication applications without being aware of address changes. In addition, the centralized management of the system simplifies management and maintenance, and the number of communication application creation steps is significantly reduced.

FIG. 5 shows the structure of the connect list. The connect list is a free connect list 111 and FROM.
It is composed of an APP connect list 112 and a TOAPP connect list 113. The FROMAPP connect list 112 and the TOAPP connect list 113 are
Each is composed of an AL 110a, an SN 110b, and a connecting address 110c.

The AL 110a indicates a batch acquisition in which the entire address management list is taken into the communication client and then the address is acquired from the address management list on the communication client. The SN 110b indicates that it is a single acquisition that acquires an address up to the address management server every time the allocated machine address of the communication destination application is acquired. The connecting address 110c is the I on the connection issue side when connecting to the application address management server.
Indicates a P address.

The connect list is a free connect list 111 when the application address management server is started.
Is instructed first. Then, the connect list corresponding to the communication application that performs communication is instructed. For example, with respect to TOAPP, a security check is performed in FIG. 4 (security check availability = ◯), and it can be seen that it is operating on the machine to which the IP address 128.9.2.2 is assigned. And the TOAP of FIG.
From the P connect list 113, the IP address 128.9.
It indicates that there is a possibility that communication is currently being performed with the machines to which 2.10 and 128.9.2.9 are allocated.

As described above, the configuration has a connect list for managing from which machine the communication application may be currently connected. This makes it possible to change the address layout even during system operation.

Next, the security management will be described in detail. FIG. 6 is a diagram showing a communication authority comparison matrix. In the communication authority comparison matrix 103a, the vertical columns are composed of attributes of the communication source application, and the horizontal columns are composed of attributes of the communication destination application. Also, all of these attributes are reference LV1, update LV2, creation LV3, and deletion L.
It is composed of V4. Here, LVn indicates that the smaller the value of n, the lower the communication authority.

When the communication authorities are compared, the password issued by the communication source application and the access password in the address management book must match. Further, the communication authority of the communication source application is the same as or higher than the communication authority of the communication destination application, and cannot be accessed unless the communication authority is higher.

For example, when the creation LV3 of the communication source application attribute and the update LV2 of the communication destination application attribute are compared, the creation LV3 has a higher communication authority than the update LV2 (LV3> LV2), and thus access is possible. Also, the reference LV of the communication source application attribute
When 1 is compared with the deletion LV4 of the communication destination application attribute, the reference LV1 has lower communication authority than the deletion LV4 (LV1 <LV4), and thus cannot be accessed.

It is also possible to set the password and communication authority security management not to be performed.
In that case, all communication applications can communicate.

Next, the security check between communication applications will be described with reference to FIGS. 4 and 6. First, it is assumed that the communication source application communicates with the application ID of the communication destination application, the password, the connection authority, and the application ID of the communication source application.

The address management unit compares the application ID of the communication destination application with the communication application ID 101 and acquires the corresponding record. However, at this point, whether the security check is possible ×
In case of, the address is obtained without checking anything.

Then, the password and the access password 104 are compared with each other, and only when they completely match, the process proceeds to the next step. The communication authority and the connect authority are compared by the communication authority comparison matrix 103a, and the communication source application must have a higher level of communication authority as the connect authority than the communication destination application. Only when this condition is satisfied, the address is returned to the communication source application, and in other cases, the communication authority is denied and that effect is returned. And, if there is no communication authority, it is not possible to connect to the communication application.

As described above, the security management control of communication is performed by using the password and the communication authority. This enables accurate and secure application communication. Also, since security management can be excluded, flexible application communication becomes possible.

Next, a case will be described in which the communication source application collectively acquires addresses when acquiring the addresses. However, since the configuration is the same as that described above, only the flow of processing will be described. FIG. 7 is a diagram showing a flow of processing when the communication source application collectively acquires addresses. [S10] The communication source application 23 issues a request for an address management list (copy) to the address acquisition interface unit 21. [S11] The address acquisition interface unit 21 requests an address management book (copy) through the system interface unit 12. [S12] The address management unit 11 uses the address management book 10
The address management book (copy) 100a in which 0 is copied is transferred to the address acquisition interface unit 21 through the system interface unit 12. In this case, it is possible to transfer to the communication client 20 regardless of the communication application ID. [S13] The communication source application 23 performs a security check on the communication source client 20 after the transfer, and acquires the address for the application ID to be communicated. [S14] The communication source application 23 is transmitted via the communication interface units 22 and 32 using the acquired address.
And the communication destination application 33 communicate with each other.

As described above, the configuration is such that the communication client can take in the address management list. This enables high-speed communication between communication applications. Further, even when the address is dynamically changed, it is not necessary to modify the application, so that quick system maintenance can be performed.

Next, communication between communication applications will be described. However, since the configuration is the same as that described above, only the flow of processing will be described. FIG.
It is a figure which shows the outline | summary of communication between applications. [S20] The communication source application 23 passes the acquired address to the communication interface unit 22, and performs an inter-application connection with the communication destination application 33 of the target machine. [S21] At this time, an application connect list is created on the communication source client as information for changing the dynamic address. (The application connect list will be described later.) At this time, only the communication source application ID and the communication destination application ID are set. [S22] Then, send a message between the applications,
Issued. [S23] After the conversation is completed, disconnection is performed. At this time, the application connection list is referenced to check whether or not the address has been dynamically changed.

FIG. 9 is a diagram showing details of communication between applications. When establishing a communication connection between applications, the communication destination application has not been activated yet, so it must be activated at the time of connection. [S200] The FROMAPP 23 uses the communication application ID, address, and directory to activate the communication destination application. Then, a connect request is issued to the communication interface unit 32 of the communication destination client 30 indicated by the address. [S201] The communication interface unit 32 uses the received communication application ID and directory to
The module file 60 is searched for creating a communication application path. Then, try to activate the TOAPP 33. [S202] After activation, the communication interface unit 32 sets the T
Issue a connect request to OAPP33
P33 receives this. [S203] The TOAPP 33 returns the PID as a response return.
(PORT ID) to the communication interface units 32, 22
Via FROM APP23. PID is 1
It is a unique value on one communication client and user
It is used for issuing and disconnecting data. [S204] The FROMAPP 23 transmits user data via the communication interface unit 22. The communication interface unit 32 transmits the received user data to the TOAPP 33 based on the PID, and the TOAPP 33 analyzes this user data and performs business processing. [S205] The TOAPP 33 returns the process result of the business process to the FROM through the communication interface units 32 and 22.
Send to APP23. FROMAPP23 receives a process result and performs a business process. [S206] The FROMAPP 23 disconnects when all business processes are completed. A disconnection request is issued from the communication interface unit 22 to the communication interface unit 32, and the communication interface unit 32 causes the TOA
The PP 33 is notified of the disconnect request. TOAPP
Upon receiving the disconnect request, 33 performs an application termination process. [S207] After that, the communication interface unit 32 sets the T
OAPP33 is erased and the used resources are released. [S208] The disconnection completion notification is sent to the FROMAPP 23.

FIG. 10 is a diagram showing an application connect list. Application connect list 5
0 is the communication source application ID 51, the communication destination application ID 52, the address change 53, the changed address 54, the changed directory 55, and the PID 5
And 6.

The communication source application ID 51 is FRO
In MAPP, the communication destination application ID 52 is TOA
It is PP, and the address change 53 is ◯. This indicates that the changed address is set as the changed address 54. In the figure, 128.9.2100
Is set. Then, in this case, the post-change address is returned to the communication destination application TOAPP, and the use of the post-change address is notified at the next application connection. Also, changed directory / load
The PID is 1001 in / mod.

Next, the mechanism of dynamic address change will be described. However, since the configuration is the same as that described above, only the flow of processing will be described. FIG. 11 is a diagram showing a mechanism of dynamic address change. [S30] As a correction of the address, the address 128.9.2.2 of TOAPP of the communication destination application ID is set to the address 128.9.2.100, the directory / lo
The address management unit 11 is notified of the change to ad / mod. [S31] The address management unit 11 searches for TOAPP of the communication application ID in the address management list and obtains the corresponding connect list 113. In the figure, 128.9.
It can be seen that the addresses were obtained on the IP address machines 2.10 and 128.2.9. [S32] The address management unit 11 sends an address change broadcast to the address acquisition interface units 21 and 31 of this machine. [S33] The address acquisition interface units 21 and 31 use the address management book (copy) 100a on the communication clients 20 and 30, and the application connect list 50a.
To TO, which is the password for the communication application ID
Check if PASS exists. If it exists, the address of the communication destination application is changed. [S34] After that, the address management book 100b on the application address management server 10 is updated.

Next, the address acquisition interface section will be described in detail. 12 and 13 are flowcharts showing the processing procedure when an address is acquired by the address acquisition interface unit. [S40] It is determined whether or not addresses are collectively acquired. In case of batch acquisition, go to step S41, and in case of single acquisition, go to step S45. [S41] The batch address acquisition message is transmitted to the system interface unit. The content of the electronic message includes a communication source application ID, a communication destination application ID, and batch classification data indicating batch address acquisition. [S42] It is determined whether the address management book (copy) buffer has been acquired. If acquired, step S44
If not, go to step S43. [S43] The address management book (copy) buffer is acquired. [S44] The designated position of the address storage start pointer is used as the address management book (copy) buffer. [S45] The single address acquisition message is transmitted to the system interface unit. The content of the electronic message is composed of a communication source application ID, a communication destination application ID, and single division data representing single address acquisition. [S46] It is determined whether the address storage buffer has been acquired. If so, go to step S48. If not, go to step S47. [S47] The address storage buffer is acquired. [S48] The designated position of the address storage start pointer is used as the address storage buffer. [S49] Wait for the return of the address from the system interface unit. [S50] Application ID for the returned address
It is determined whether or not there is. If there is an application ID, go to step S51, and if not, go to step S52. [S51] The area indicated by the address storage pointer is used as the system interface return address. [S52] An error is returned. [S53] It is determined whether or not all addresses have been acquired. If all of them are collectively acquired, the procedure goes to step S54. If all of them are not collectively acquired, the procedure goes to step S57. [S54] A value obtained by adding 1 to the address storage pointer is set as a new address storage pointer. [S55] It is determined whether there is any remaining address.
If there are remaining addresses, go to step S56, and if there are no remaining addresses, go to step S57. [S56] An address batch acquisition message (continuation) is transmitted to the system interface unit. The contents of the message are a communication source application ID, a communication destination application ID,
And batch classification data representing batch acquisition of addresses. [S57] The address storage start pointer is returned.

As described above, the address acquisition interface unit uses the address management book (copy) buffer for batch acquisition of addresses and the address storage buffer for single acquisition of addresses.

Next, the address change broadcast of the address acquisition interface section will be described in detail. 14 and 1
FIG. 5 is a flowchart showing a processing procedure of address change broadcast of the address acquisition interface unit. [S60] Wait for address change broadcast. [S61] It is determined whether or not there is an address management book (copy) buffer. If there is an address management book (copy) buffer, go to step S62. If not, go to step S69.
Go to [S62] The designated position of the address storage start pointer is used as the address management book (copy) buffer. [S63] Loop processing starts until the end of the address management book (copy) buffer or the corresponding address detection flag detects the corresponding address. [S64] It is determined whether the acquired address is the same address as the address change broadcast. If the addresses are the same, the process proceeds to step S65. If the addresses are not the same, the process proceeds to step S67. [S65] The address and directory of the area indicated by the address storage pointer are changed to address change broadcast data. [S66] The detection of the corresponding address is set in the corresponding detection flag. [S67] A value obtained by adding 1 to the address storage pointer is set as a new address storage pointer. [S68] The loop process ends. [S69] It is determined whether there is an address storage buffer. If there is an address storage buffer, step S7
To 0, if there is no address storage buffer, step S7
Go to 2. [S70] Address change It is determined whether the address is the same as that of the broadcast. If the addresses are the same, the process proceeds to step S71. If the addresses are not the same, the process proceeds to step S72. [S71] The address and the directory of the address storage buffer are changed to the changed broadcast data. [S72] The designated position of the address storage pointer is set as the application connect list. [S73] Loop processing starts until the end of the application connect list or the corresponding address detection flag detects the corresponding address. [S74] Address change It is determined whether the address is the same as that of the broadcast. If the addresses are the same, the process goes to step S75. If the addresses are not the same, the process goes to step S77. [S75] The address and directory of the area indicated by the address storage pointer are changed to broadcast data, and the address change is changed to ◯. [S76] The detection of the corresponding address is set in the corresponding detection flag. [S77] A value obtained by adding 1 to the address storage pointer is set as a new address storage pointer. [S78] The loop process ends.

Next, the address acquisition of the system interface section will be described in detail. 16 and 17 are
6 is a flowchart showing a processing procedure of address acquisition of the system interface unit. [S80] Wait for an address acquisition request. [S81] It is determined whether the address acquisition request is a collective acquisition or a single acquisition. In case of batch acquisition, go to step S82,
In the case of single acquisition, the process proceeds to step S89. [S82] The designated position of the address storage pointer is used as the address management book buffer. [S83] It is determined whether there is any remaining address management book. When there is a remaining portion, the process proceeds to step S85, and when there is no remaining portion, the process proceeds to step S84. [S84] No address remaining is set in the address remaining flag. [S85] The remaining address flag is set to "remain". [S86] A message is issued to the address acquisition interface section. The content of the electronic message includes a communication application ID, an address, a directory, and an address remaining flag. [S87] A value obtained by adding 1 to the address storage pointer is set as a new address storage pointer. [S88] It is determined whether there is any remaining address management book. If there is a remaining portion, go to step S83, and if not, go to step S92. [S89] It is determined whether there is a communication destination application address. If there is, go to step S90, and if not, go to step S91. [S90] A message is issued to the address acquisition interface section. The content of the electronic message issues a communication application ID, an address, a directory, and an address remaining flag (no address remaining). [S91] A message is issued to the address acquisition interface section. The content of the message is issued without the application address. [S92] It is determined whether the connect list has been acquired. If it has been acquired, the process proceeds to step S95, and if it has not been acquired, the process proceeds to step S93. [S93] The connect list is acquired. [S94] The top address of the connect list is set to the address management book connect list address. [S95] The communication source application address is set in the connect list.

Next, the address change broadcasting of the system interface section will be described in detail. FIG. 18 is a flowchart showing the processing procedure of the address change broadcast of the system interface unit. [S100] It is determined whether there is a corresponding address obtained from the address management list. If there is, go to step S102,
If not, go to step S101. [S101] The updated address is added to the address management list. [S102] It is determined whether there is a connect list obtained from the address management book. If there is, step S103
If not, go to step S106. [S103] Until the end of the application connect list, a loop process for issuing an electronic message for address change broadcast to the address acquisition interface unit is performed. [S104] An address change broadcast message is issued to the address acquisition interface unit. The message contents are an address and a directory. [S105] The loop processing ends. [S106] The address management book is changed to update data.

Next, the communication interface section of the communication source will be described in detail. 19 and 20 are flowcharts showing the processing procedure of the communication interface unit of the communication source. [S110] It is determined whether to make a connect request.
If yes, go to step S115, otherwise go to step S111. [S111] It is determined whether to make a disconnect request. If yes, go to step S121, otherwise go to step S112. [S112] An application message is issued to the communication interface unit of the communication destination. The message contents are a communication application ID, a directory, and user data. [S113] The communication interface unit of the communication destination waits for a response. [S114] The communication interface unit of the communication destination returns the result. [S115] A connect request message is issued to the communication interface unit of the communication destination. [S116] The communication interface unit of the communication destination waits for a response. [S117] It is determined whether there is a communication destination application. If yes, go to step S118; otherwise, go to step S120. [S118] The application connect list is updated. To be more specific, set X for the source / destination application ID and change the address, and leave the changed address blank.
Set PID to connect PID. [S119] The connection establishment is returned. [S120] The connection failure is returned. [S121] A disconnect request message is issued to the communication interface unit of the communication destination. [S122] The communication interface unit of the communication destination waits for a response. [S123] It is determined whether the address change in the application connect list is ◯. If ○, step S
If not, go to step S125. [S124] Address after change to disconnect return value
Set the directory after change. [S125] No change is set to the disconnect return value. [S126] The application connect list is updated. [S127] The disconnect return value is returned.

Next, the communication interface unit of the communication destination will be described in detail. 21 and 22 are flowcharts showing the processing procedure of the communication interface unit of the communication destination. [S130] Wait for reception of a message from the communication interface unit of the communication source. [S131] It is determined whether the request is a connect request.
If it is a connect request, the process proceeds to step S139. If it is not the connect request, the process proceeds to step S132. [S132] It is determined whether the request is a disconnect request. In the case of disconnect request, step S136
To step S133 if the disconnect request is not made
Go to [S133] The user data is notified to the application indicated by the communication application ID from the directory received from the communication source. [S134] The application is returned. [S135] The application return value is returned to the communication interface unit of the communication source. [S136] A disconnect request is issued from the directory received from the communication source to the application indicated by the communication application ID. [S137] The application waits for a disconnection response. [S138] The disconnect response is returned to the communication interface unit of the communication source. [S139] The communication destination application is searched. [S140] It is determined whether there is a corresponding application. If there is a corresponding application, step S
141, if there is no corresponding application, go to step S145. [S141] The application is activated. [S142] The application is awaited for activation. [S143] Issue a request for application connect. [S144] The application waits for a connection response. [S145] No communication application is returned to the communication interface unit of the communication source.

In the above description, TCP / IP was used as the communication protocol of the network, but the same applies to other communication protocols.

[0063]

As described above, in the address management communication system of the present invention, the address management list and the address management section are provided on the application address management server, and the address management control is performed in a unified manner. . As a result, application communication between a plurality of systems can be performed without making the communication application aware of the change of the address due to the machine change, and the system maintenance is facilitated.

Further, the communication authority is composed of communicable attributes, and the communicable level is defined for each. This enables highly reliable application communication. Also, the configuration is such that a connect list is created in the application address management server. This enables management of machine connect information for communication applications.

Further, the security management control is performed by using the password and the communication authority. This allows
It enables accurate and secure application communication. In addition, the security management can be excluded. This enables flexible application communication.

Further, when the address is changed due to the change of the machine, the address change is broadcast. This makes it possible to change the address layout even during system operation.

Further, the address management interface is configured to be able to fetch the address management list. This enables high-speed communication between communication applications. Further, the address acquisition interface unit is configured to create an application connect list when the address is dynamically changed. As a result, it is possible to quickly deal with system maintenance because it is not necessary to modify the application.

[Brief description of drawings]

FIG. 1 is a principle diagram of an address management communication system of the present invention.

FIG. 2 is an overall block diagram of an address management communication system.

FIG. 3 is a flowchart showing an outline of a communication procedure.

FIG. 4 is a diagram showing a configuration of an address management book.

FIG. 5 is a diagram showing a structure of a connect list.

FIG. 6 is a diagram showing a communication authority comparison matrix.

FIG. 7 is a diagram showing a flow of processing in the case where the communication source application collectively acquires addresses.

FIG. 8 is a diagram illustrating an outline of processing when communication is performed between applications.

FIG. 9 is a diagram illustrating details of processing when communication is performed between applications.

FIG. 10 is a diagram showing a configuration of an application connect list.

FIG. 11 is a diagram showing a mechanism of dynamic address change.

FIG. 12 is a flowchart showing a processing procedure when an address is acquired by an address acquisition interface unit.
(Part 1)

FIG. 13 is a flowchart showing a processing procedure when an address is acquired by an address acquisition interface unit.
(Part 2)

FIG. 14 is a flowchart showing a processing procedure of address change broadcast of an address acquisition interface unit. (Part 1)

FIG. 15 is a flowchart showing a processing procedure of address change broadcast of an address acquisition interface unit. (Part 2)

FIG. 16 is a flowchart showing a processing procedure of an address acquisition of the system interface unit. (Part 1)

FIG. 17 is a flowchart showing a processing procedure of an address acquisition of the system interface unit. (Part 2)

FIG. 18 is a flowchart showing a processing procedure for address change broadcast of the system interface unit.

FIG. 19 is a flowchart showing a processing procedure of a communication interface unit of a communication source. (Part 1)

FIG. 20 is a flowchart showing a processing procedure of a communication interface unit of a communication source. (Part 2)

FIG. 21 is a flowchart showing a processing procedure of a communication interface unit of a communication destination. (Part 1)

FIG. 22 is a flowchart showing a processing procedure of a communication interface unit of a communication destination. (Part 2)

[Explanation of symbols]

 10 application address management server 11 address management unit 12 system interface unit 20, 30 communication client 21, 31 address acquisition interface unit 22, 32 communication interface unit 23, 33 communication application 40 network 100 address management book

Claims (9)

[Claims] 1. In an address management communication system for communication between applications via a network, an address acquisition interface unit for acquiring an arrangement machine address of a communication destination and the acquired arrangement machine address before the communication. A plurality of communication clients including a communication interface unit that uses the communication destination to interface with the communication destination, a communication application that performs the communication, and an address management list created with items necessary for managing the arranged machine address. Address management for associating the communication application with the allocated machine address, determining whether or not there is communication authority between the communication applications using the address management list, and centrally managing the address control of the communication. Section and the communication client Serial address management communication system characterized by having, an application address management server; and a system interface unit for interfacing to the address management unit. 2. The address management book is a communication application ID which is a search key of the communication application.
A security check whether or not a password and the communication authority can be checked, a communication authority including an attribute that enables communication, an access password, the arranged machine address, a directory, and a communication application. The address management communication system according to claim 1, wherein the address management communication system is configured by the item consisting of a connect list address of a connect list that manages a possibility of being connected from the placement machine. 3. The communication authority is composed of the attribute consisting of reference, update, creation, and deletion for the communication application, and a communicable authority level is defined for each of them. 2. The address management communication system described in 2. 4. The connection list includes a collective acquisition for collectively acquiring the arranged machine addresses up to the address management unit when the arranged machine addresses for the communication application are acquired, and a arranged machine address acquisition for the communication application. It consists of a single acquisition that sequentially acquires the placement machine address up to the address management unit, and a connecting address that sets the placement machine address of the connection issuer when connecting to the address management unit. The address management communication system according to claim 2, wherein: 5. The address management unit compares the address management list based on the password passed as a parameter and the communication authority when an acquisition request for the arranged machine address is made from the client, The communication is considered to be possible only when the passwords match and the communication application at the communication destination has a higher level than the communication application at the communication source in the level comparison of the communication authorities. Address management communication system. 6. The address management unit enables the communication from all of the communication applications without comparing the address management list based on the password and the communication authority. The address management communication system according to claim 1. 7. When the address management unit receives a change in the placement machine address from a user, the address management unit causes the address acquisition interface unit of the placement machine that is currently connected to the changed placement machine. The address change broadcast is performed in response to the address change.
Address management communication system described. 8. The address acquisition interface unit fetches the address management book into the client and uses the fetched address management book when performing the communication. Address management communication system. 9. The address acquisition interface unit creates an application connect list for dynamically changing the placement machine address, and when the placement machine address is changed, the changed address is added to the application connect list. The address management communication system according to claim 1, wherein the address management communication system is set, and the communication application is notified to use the changed address at the next application connection.