JP3411966B2 - Configuration method of service management function of intelligent network - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a service management function configuration method using a service management business system for maintaining and managing various services provided in a communication network.

[0002]

2. Description of the Related Art It is difficult to drastically shorten the switching time to a standby device when the service management business function in the operating state and the gateway function are stopped by the conventional method of configuring the function of the service management business system.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to reduce the time required for switching between an active device and a standby device while maintaining the quality of service management work required for a service management work system. To provide a way to do it.

[0004]

The intelligent network service management function configuration method according to the present invention comprises: (1) a gateway function group for transmitting and receiving a business message to and from an opposite business message input system independent of the service management task content;
(2) Service management business function groups including the service management business dependent function group that summarizes the functions of each service management business and the database management function group managed by the service management business dependent function group, and (3) above (2) Configuring a service management system including a database managed by the function group of
The function group of (1) is duplicated so that both are in use, the function group of (2) is duplicated as an active and standby respectively, and both the active and standby are in a state capable of transmitting and receiving service management business telegrams, The database of (3) is a non-redundant configuration, (a) during normal operation of the service management system, only access to the database of (3) from the active side of the function group of (2) is allowed, (b) When the active side of the function group of (2) above fails, the state of the active side of the function group of (2) above is changed to "active".
Change from "spare" to disconnect from the system,
The state of the spare side of the function group of (2) is changed from "spare" to "active", and the (3) from the functional group of (2) in the "active" state is changed.
Allows only access to the database of the above, and sends and receives business messages to and from the opposite business message submission system.
(1) The function message of (2) is retained by the function group of (1), and (c) the function message of (2) is retained after the completion of the switching of the active backup of the function group of (2). Request to the working side of (d)
The feature is that the active standby switching time of the function group of (2) is concealed from the opposite business message input system.

According to the present invention, by completely duplicating the gateway function group and adopting the active backup switching method for service management work, the influence of the failure of the service management system on the opposite system can be minimized. Business interruption time can be hidden from the message input system.

Another method of configuring a service management function of an intelligent network according to the present invention is (1) a gateway function group for transmitting / receiving a business message to / from a business message input system that opposes regardless of the service management task content, (2) individual Service management business function groups including the service management business dependent function group and the database management function group managed by the service management business dependent function group,
And (3) A service management system that includes a database managed by the function group of (2) above is configured, and the function group of (1) above is duplicated to be the active and standby respectively, and the service management business message for both the active and standby. It is possible to send and receive, and the function group of (2) and the database of (3) are duplicated so as to correspond to each other one-to-one and both are active, (a) the service management system During normal operation, only the active side of the function group of (1) communicates with the opposite business telegram input system, and the function group of (1) is the function group of (1) and (2) of the latter stage. (B) When one of the function groups in (2) above and the database in (3) above fails, the service management work is requested to the function group above (1). The service management service request to the function group in (2) above is temporarily suspended, and the service is suspended. Suspend the sentence, (c) at the time of failure recovery of the function group of (2) and the database of (3), resume the suspended request for service management work, recover the redundant operation, (d) It is characterized in that it is possible to continue the service management work without interruption in the event of a single failure of the function group of (1).

According to the present invention, by completely duplicating the service management work function group and the database, it is possible to minimize the influence of the failure of the service management system on the opposite system. In the case of such a configuration, when one system is stopped and then restarted, a mismatch may occur in the duplicated database. However, in the present invention, the service management work is performed by interposing the business message holding function on the gateway side. Enables recovery of a duplicated database without stopping.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram for explaining a first embodiment of the present invention, in which 10 is a service management system, 20 is a business message input system, and 30 is a service control exchange. The service management system 10 has an active primary side gateway function 1
1, active secondary side gateway function 12, active side service management business function 13, standby side service management business function 14,
Includes database 15.

The active primary side gateway function 11 is
It consists of gateway function group 111, and gateway function group 1
11 is a business message sending / receiving function 112 and a business message holding function 113
including. The active secondary side gateway function 12 includes a gateway function group 121, and the gateway function group 121.
Includes a business message transmitting / receiving function 122 and a business message retaining function 123.

The active side service management business function group 13 comprises a service management business function group 131, and the service management business function group 131 includes a service management business dependent function group 132 and a database management function group 133. The spare side service management business function 14 comprises a service management business function group 141, and the service management business function group 141 is a service management business dependent function group 1
42 and database management function group 143.

The service management system 10 has a connection used for normal operation and an alternative connection with respect to the opposite business message input system 20, the former being the active primary side gateway function group 111 and the latter being the active secondary side gateway. The function group 121 is connected to each.

During normal operation, in the working primary side gateway function group 111, the business message input system primary interface function 21 (FIG. 3) checks and stores the business message and sends it to the business message input system 20. Then, the service management work function primary interface function 17 (FIG. 5) transmits a message to the service management function group 131 on the working side. When the transmission result is NG, the message transmission is guaranteed by rolling back. In this case, the business message input system secondary interface function 22 (FIG. 4) and the service management business function secondary interface function 18 (FIG. 6) are activated and idle. The subsequent service management function group 131, after completing the message storage in the database 15, returns the reception completion to the working primary side gateway function group 111 in the previous stage. The service management function group 131 transmits a business telegram to the subsequent service control exchange 30. When the transmission is NG, the message transmission is guaranteed by rolling back.

Working primary side gateway function group 111
When the function is stopped, for example, when the function is abnormal, maintenance work is performed, the active secondary side gateway function group 121 issues a connection switching instruction to the business message insertion system 20, and the business message is activated in advance and is in the idle state. While the input system secondary interface function 22 receives the business message promptly, the primary secondary queue merge function (Fig. 7) converts the business message remaining in the queue on the side of the working primary side gateway function group 111, which has stopped the function, into the business message. After guaranteeing the order, the service management business function secondary interface function 18 sends a business message to the subsequent service management function group 141.

When the service management function group 131 or 141 on the active side is abnormal, or when the function is stopped, such as when performing maintenance work, the function group is deactivated, and the service management function group on the standby side is activated and used. Switch as the state. Since each function group in the backup side service management function group is activated in advance and is operating in an idle state, the switching time is short, and during the switching time, the preceding gateway function group 111 or 121 temporarily stores business telegrams. However, for the business message insertion system 20,
It is possible to hide the interruption of the service management business due to the switching of the service management business function group.

FIG. 2 is a diagram for explaining the second embodiment of the present invention, in which 40 is a service management system, 20 is a business message input system, and 30 is a service control exchange. The service management system 40 includes a working side gateway function 41, a spare side gateway function 42, a working side primary side service management business function 43, a working secondary side service management business function 44,
Includes databases 15 and 16.

The active side gateway function 41 comprises a gateway function group 411, and the gateway function group 411 includes a business message transmitting / receiving function 412 and a business message retaining function 413. The standby gateway function 42 includes a gateway function group 421, and the gateway function group 421 includes a business message transmitting / receiving function 422 and a business message retaining function 423.

Active primary side service management business function 43
Is composed of a service management business function group 431, and the service management business function group 431 includes a service management business dependent function group 432 and a database management function group 433. The active secondary side service management business function 44 is a service management business function group.
441 consists of a service management business function group 441, a service management business dependent function group 442 and a database management function group 443.
including.

The service management system 40 has a connection used for normal operation and an alternative connection with respect to the opposing business message input system 20, the former being the working gateway function group 411 and the latter being the standby gateway function group. 421 and each are connected.

During normal operation, the working gateway function group
In 411, the business message injection system primary interface function 21 (FIG. 3) checks and stores the business message, guarantees the message injection to the business message injection system 20, and the service management business function primary interface function 17 (FIG. According to 5), a message is transmitted to the active primary side service management function group 431. When the transmission result is NG, the message transmission is guaranteed by rolling back. The subsequent service management function group 431 is the database 15
After completing the message storage, the reception completion is returned to the working primary side gateway function group 411 in the previous stage. The service management function group 431 transmits a business telegram to the subsequent service control exchange 30. When the transmission is NG, the message transmission is guaranteed by rolling back.

Active primary side service management function group 431
Is abnormal, or when the function is stopped such as when performing maintenance work, the service management work function primary interface function 17 is switched to the service management work function secondary interface function 19 to switch to the working secondary. Since the active secondary-side service management function group 441 is operated for active use, the switching time is short, and during the switching time, the preceding gateway function group 411 temporarily accumulates business telegrams, and the business telegram input system 20: It is possible to hide the interruption of the service management work due to the switching of the service management work function group, and further to prevent the mismatch between the databases 15 and 16.

FIG. 3 is a diagram showing an operational flow of the business message input system primary interface function 21. In step 201, the communication message reception process is performed by the business message transmission / reception function 112, the received message format is checked in step 202, and if normal, the message is stored in the primary queue of the business message retention function 113 in step 203, In step 204, it is checked whether or not the accumulation result is normal, and if normal, in step 205, normal reception response processing is performed on the business message input system 20. If it is determined in the checks in steps 202 and 204 that there is an abnormality, an abnormality reception response process is performed on the business message input system 20 in step 206.

The operation of the business message input system secondary interface function 22 shown in FIG. 4 is also the same. At step 211, the communication message reception process is performed by the business message transmission / reception function 122, the format of the received message is checked at step 212, and if normal, the message is stored in the secondary queue of the business message retention function 123 at step 213, Step two
Check whether the accumulation result is normal in 14 and if it is normal,
In step 215, normal reception response processing is performed on the business message input system 20. If it is determined that there is an abnormality in the checks in steps 212 and 214, an abnormality reception response process is performed on the business message input system 20 in step 216.

FIG. 5 is a diagram showing an operation flow of the service management business function primary interface function 17. In step 221, the business message sending / receiving function 112 takes out a message from the primary queue of the business message holding function 113, performs communication message sending processing in step 222, and the service management job dependent function group 132 sends the sending result in step 223. If it is checked, if it is normal, in step 224, normal reception response processing is performed. If the check in step 223 determines that there is an abnormality, rollback processing is performed in step 225.

The same applies to the operation of the service management business function secondary interface function 18 shown in FIG. In step 231, the business message sending / receiving function 122 is the business message holding function.
The message is taken out from the secondary queue of 123, the communication message is transmitted in step 232, the service management work dependent function group 142 checks the transmission result in step 233, and if it is normal, in step 234 the normal reception response Perform processing. If the check in step 233 determines that there is an abnormality, rollback processing is performed in step 235.

FIG. 7 is a diagram for explaining the operation of the primary / secondary queue merge function. When the working primary-side gateway function group 111 stops functioning, the order of business messages remaining in the queue of the working primary-side gateway function group 111 that has stopped function is guaranteed by the primary secondary queue merge function (step twenty four
1) Then, the service management business function secondary interface function 18 transmits the business message to the subsequent service management function group 141.

[0026]

As described above, according to the present invention,
When a failure occurs in one of the redundant configurations of the service management business system that performs registration and modification of various services in the intelligent network, these service management business functions are promptly restored to register and modify various services. You can continue to work.

[Brief description of drawings]

FIG. 1 is a diagram illustrating a first embodiment of the present invention.

FIG. 2 is a diagram illustrating a second embodiment of the present invention.

FIG. 3 is a diagram showing an operation flow of a business message input system primary interface function.

FIG. 4 is a diagram showing an operation flow of a business message input system secondary interface function.

FIG. 5 is a diagram showing an operation flow of a service management business function primary interface function.

FIG. 6 is a diagram showing an operation flow of a service management business function secondary interface function.

FIG. 7 is a diagram illustrating an operation of a primary secondary queue merge function.

[Explanation of symbols]

10 Service management system 11 Working primary side gateway function 12 Working secondary side gateway function 13 Working side service management business function 14 Standby side service management business function 15, 16 Database 17, 19 Service management business function Primary interface function 18 Service management business function secondary Interface function 20 Business message input system 21 Business message input system Primary interface function 22 Business message input system Secondary interface function 30 Service control switch 111, 121 Gateway function group 112, 122 Business message sending / receiving function 113, 123 Business message holding function 131, 141 Service management business function group 132, 142 Service management business function dependent group 133, 143 Database management function group

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-6-348628 (JP, A) JP-A-10-198574 (JP, A) JP-A-9-274573 (JP, A) JP-A-11- 345139 (JP, A) JP 10-247181 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) H04L 12/00 G06F 13/00

Claims (2)

(57) [Claims] 1. A method for configuring a service management function of an intelligent network that provides various communication services, comprising: (1) a gateway function group for transmitting and receiving a business message to and from a business message input system facing each other without depending on the content of the service management task; (2) Service management business function groups including the service management business dependent function group that summarizes the functions of each service management business and the database management function group managed by the service management business dependent function group, and (3) above (2) A service management system including a database managed by the function group of (1) is configured, and the function group of (1) is duplicated so that both are in use.
The function group of (2) is duplicated and used as the active and standby, respectively.
Both the active and standby service management business telegrams can be sent and received, the database of (3) has a non-redundant configuration, (a) during normal operation of the service management system, the function group of (2) above. Only the access to the database of (3) is allowed from the active side of (2), (b) when the active side of the function group of (2) fails, the state of the active side of the function group of (2) is changed to `` Change from "active" to "standby" and disconnect from the system, change the status of the spare side of the function group in (2) above from "standby" to "active", and use the function group in (2) above in the "active" status From the above (3) database is allowed, and the transmission and reception of business messages to and from the opposing business message input system is suspended by the function group of (1), (c) the function of (2) above. After the switching of the active group of the group is completed, the business message retained in the function group of (1) above is transferred to the active side of the function group of (2) above. Lai and, (d) the (2) Service Management Facility configuration method for an intelligent network, characterized by concealing the functional groups of the working spare switching time for business message dosing system of opposing. 2. A method of configuring a service management function of an intelligent network that provides various communication services, comprising: (1) a gateway function group for transmitting and receiving a business message to and from a business message input system that is opposite regardless of the content of the service management task. (2) Service management business function groups including the service management business dependent function group that summarizes the functions of each service management business and the database management function group managed by the service management business dependent function group, and (3) above (2) A service management system including a database managed by the function groups of (1) is configured, and the function groups of (1) above are duplicated to be the active and standby respectively, and it is possible to send and receive service management business telegrams for both the active and standby. And, the functional group of the above (2) and the above (3)
The database is duplicated to have a one-to-one correspondence with each other, and both are active. (A) During normal operation of the service management system, only the active side of the function group of (1), the corresponding business message is input. Communicate with the system, above (1)
The function group of (2) requests service management work to the function group of (1) and the function group of (2) in the latter stage, and (b) the function group of (2) and the database of (3) above. When a failure occurs in one system, the service management service request from the active side of the function group of (1) to the function group of (2) in the failed state is temporarily suspended, and the suspended business message is suspended. , (C) the functional group of (2) above and (3) above
When the database failure is recovered, the suspended service management service request is resumed, and the redundant operation is restored. A method for configuring a service management function of an intelligent network, which enables the following.