KR930010288B1 - Electronic exchange system - Google Patents

Abstract

The method comprises the first step (301) for operating initialization for using a system libray, the second step (302,303) for storing common data base address application program with common data of the system library after the above first step (301), and the third step (304 to 306) for processing by using common procedure of the system library. The method improves full electronic switching system capacity by applying a method using the system library to call processing software and operation software

Description

How to use the system library of the electronic exchange

1 is a block diagram of an electric electron exchanger to which the present invention is applied.

2 is a structural diagram showing an interaction state between an SL and an application program.

3 is a flowchart of a method of using a system library according to the present invention.

4 is a flow chart of the initialization process of FIG.

* Explanation of symbols for main parts of the drawings

1: CCS 2: INS

3: ASS 4: MMP

5: OMP 6: NTP

7: INP 8: ASP

9: SL 10: ISL

11: AP

The present invention relates to a method of using a system library of an electron exchanger.

As society has advanced, the needs of exchange users and operators have diversified and increased, making the software in the exchanges more complex. In the existing TDX-1A or TDX-1B switch, a single application is installed and operated on the main processor, which makes the problem of sharing data or procedures among tasks a serious problem. In other words, the error of one task can have a serious impact on the task, which results in a decrease in the reliability of the entire system.

An exchange is a system that requires real time that must immediately accommodate the needs of its users. Using a DBMS or exchanging signals to share data between execution modules in an electronic exchange has a greater impact on real-time operation than accessing memory directly.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method using a system library (SL) that can share data or procedures between execution modules with fast execution time.

In order to achieve the above object, the present invention provides a Central Control Subsystem (CCS) that performs operations and maintenance functions, an Interconnection Network Subsystem (INS) that performs centralized call processing, and an ASS (Performed Distributed Call Processing). A method of using a SL (System Library) of an electronic switching system including an Access Switching Subsystem, comprising: a first step of performing initialization for use of a SL, a second step of processing using common data in the SL, and a SL using a method characterized in that performed by the third step of processing using a common procedure.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram of an electron exchanger to which the present invention is applied, 1 is (CCS), 2 is INS, 3 is ASS, 4 is MMP, 5 is OMP, 6 is NTP, 7 is IMP, and 8 is ASP. Indicates.

As shown in FIG. 1, the electronic exchanger to which the present invention is applied has three sub-interfaces of the Interconnection Network Subsystem (INS), the Central Control Subsystem (CCS), and the Access Switching Subsystem (ASS). It consists of a system. CCS 1 performs the functions of operation and maintenance, INS 2 performs the centralized call processing function, and ASS 3 performs the distributed call processing function.

OMP (Operation and Maintenance Processor) 5 in the CCS (1) is a processor that performs the main tasks of the operation and maintenance functions, Man-Machine Processor (MMP) (4) in the CCS (1) between the system operator and the system A processor performing a function of processing information exchange, an INP (Interconnection Network Processor) 6 in the INS 2 is a processor controlling a switch of a call processing process, and a NTP (Number Translation Processor) in the INS 2 ( 6) is a processor that controls the number translation or routing process of the call processing process, and an ASP (Access Switching Processor) within the ASS (3) is a processor that performs the overall call processing function to handle the access of the exchange subscriber or the system of another country. to be. The SL (System Library) is mounted in the ASP 8 to handle the interaction between some of the call processing functions and the call processing and operation functions for real time call processing.

2 is a structural diagram showing the interaction state between the SL and the application program, 9 is SL, 10 is ISL, and 11 is AP (Application Program).

SL execution module (9) is a module that executes and modifies the data and common procedures to be shared by application program execution modules and assigns logical addresses promised to operating systems not used by other application program execution modules. Is mounted on the main processor and executed. The interface for system library (ISL) 10 is a user library that is combined with an application program execution module to facilitate application program execution modules using the SL 9. In the application execution module, the use of a common procedure in the SL 9 is made by calling a procedure defined in the ISL 10 to 1: 1 match the common procedure definition in the SL 9 and common in the SL 9. Data access is achieved by directly accessing common data addresses in the SL 9 obtained using the ISL 10. Therefore, by using the address access method as described above, common procedures or data can be used at a faster time than using a DBMS or sharing data using signals.

3 is a flowchart of a method of using a system library according to the present invention. The procedure for initializing the ISL supporting the use of the SL in an application program is performed (301). After initialization of the ISL, the address of common data in the SL is stored (302). In order to use common data, the stored data address is directly accessed (303). To use a common procedure in the SL, call a procedure in the ISL having the same definition as the common procedure in the SL (304). Retrieve the address of the SL common procedure stored in the ISL (305). The jump to the SL using this address (306). After the processing in the SL is completed, the process returns to the application program (307).

4 is a flowchart of the initialization process of FIG. The application calls a manager in the ISL (301). If the ISL manager checks whether the SL is loaded (401), if it is mounted, it notifies the operating system of the use of the SL execution module (402) and then accesses the flag in the SL indicating whether the SL execution module is performed (403). . When the SL execution module is executed, the addresses of common procedures stored in the memory in the SL are stored in the ISL (404). Return to the application from the ISL (405).

The present invention constructed and operated as described above provides a method of using a SL, which can share data or procedures among application program execution modules, which is faster in execution time than a method of sharing data by using a DBMS or exchanging a signal. Implemented in the electronic exchange call processing software and operational software, it will perform a large number of call processing in real time, improving the performance of the electronic exchange system.

Claims (4)

Central Control Subsystem (CCS) (1) to perform operations and maintenance functions, Interconnection Network Subsystem (INS) to perform centralized call processing functions, and Access Switching Subsystem (ASS) to perform distributed call processing functions (3) a method of using a system library (hereinafter, referred to as SL) of an electro-electric exchanger; A first step 301 of performing initialization for using a SL, a second step 302 and 303 of storing the common database address application program using common data in the SL after performing the first step 301, and the And after performing the second step (302,303), a third step (304 to 306) for processing using a common procedure in the SL. The method of claim 1, wherein the first step (301); A first process 401 for checking whether the SL is mounted, a second process 402 for requesting the use of the SL to the operating system after the first process 401 is performed, and the second process 402 After the third step (403) to check whether the SL is performed, and after performing the third step (403), and the fourth step (404) for storing the address of the common procedure, characterized in that performed How to use SL. 2. The method of claim 1, wherein said second step (302,303) comprises; A first step 302 of storing the address of common data in the SL, and a second step 303 of directly accessing the address of the stored data in order to use the common data. . The method of claim 1, wherein the third step (304 to 306); In order to use the common procedure in the SL, the first procedure 304 calling the common procedure in the Interfsce for System Library (ISL) having the same definition as the common procedure in the SL, and after performing the first process 304, the common procedure in the SL And a second process (305) of acquiring an address of a procedure, and a third process (306) of jumping to a common procedure in the SL after performing the second process (305).