KR20000074009A - Method for measuring performance and capability of ASS-T in SSP for intelligent network - Google Patents

Abstract

PURPOSE: A method for measuring performances and capacities of an access switching processor(ASP) of a service switching exchange(SSP), is provided to intentionally generate a measurable intelligent network service call in a personal communications service exchange(PCX), and to measure the performances and a largest capacity of the ASP of the SSP, so as to recognize performances and a largest capacity of an access switching system processor-trunk(ASSP-T) like in an actual service status. CONSTITUTION: A program intentionally generates an intelligent network call to transmit the generated call to an access switching subsystem-trunk(ASS-T). The program requests a number translation of the call and measures loads given in the translation. If the call is the intelligent network call, the program carries out an operation, transmits an information transmission signal to a service control point(SCP) via a signal network, and measures loads given in the configuration. The program processes received call control information and measures loads given from processing the call control information. The program decides a destination to process an outgoing call to a personal communication services exchange(PCX) to measure loads given from processing the outgoing call. The ASP translates a number of the processed call to terminate the call to an access switching processor(ASP) of an access switching subsystem-mobile(ASS-M), and counts terminating successes. The program generates the intelligent calls, if the ASP does not generate the intelligent calls necessary for measuring performances and a largest capacity of the ASP. The program statistically processes and outputs intelligent network call generations, terminating successes, and call attempts.

Description

Method for measuring performance and capability of ASS-T in SSP for intelligent network}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intelligent network (IN), and in particular, an intelligent network service call for measuring artificially is generated at a personal communication services eXchange (PCX) of a personal communication service (PSC) network. ASS- of the intelligent network SSP, which calculates the performance and maximum capacity of the Access Switching Processor (ASP) of the Access Switching Subsystem (Trunk, ASS-T), which is one of the Service Switching Points (SSPs). T performance and capacity measurement method.

In general, the intelligent network (IN) is a network in which intelligence has been introduced so that new technologies can be easily added to an existing communication network in terms of communication network structure, and various new functions can be added quickly in terms of service.

1 shows the configuration of such an intelligent network.

In general, the structure of the intelligent network includes a transmission network 10 for exchanging and transmitting voice and data information about a service switching point (SSP) 14; A signal network 20 centered on a signaling transfer point (STP) 21 for transmitting control signals of network elements; The service network 30 centered on a service control point (SCP) 31 which actually controls and manages a request for an intelligent network generated from the delivery network 10 is collectively configured.

The transmission network 10 is a network that actually exchanges and transmits information such as voice and data, and includes a conventional public switched telephone network (PSTN), a packet switched data network (PSDN), an integrated services digital network (ISDN), and a B-ISDN ( Broadband-Integrated Services Digital Network). Information for the service is transmitted to the service network 30 via the signal network 20 to receive control for service processing.

The transmission network 10 is composed of an MS 11, a BS 12, a PCX 13, and an SSP 14, and a mobile station (MS) 11 is mounted in a vehicle to terminate a wireless line. Or a mobile subscriber device which can be carried by the user. The base station (BS) 12 connects a wireless line and a wired network line, and the wireless line can connect a plurality of MSs 11, and the wired network line is a PCX 13 and a PCM (Pulse Code Modulation); The analog signal is modulated into a digitized pulse signal). BS 12 is composed of a control function for controlling the connection of the wired network line and a transmission function for terminating the wireless line.

PCX (13) is the center of the PCS network, the main function is to provide a function for the exchange between the mobile communication subscribers, fixed network subscribers such as mobile communication subscribers and public telephone networks, integrated information and communication networks.

The SSP 14 recognizes the service call requiring the intelligent network service among the subscriber's calls and requests SCP 31 the necessary control information. And, when the requested information arrives, it serves as a gateway that connects the existing telephone network with the service network. It performs the function to process the protocol of signal network for communication with service network.

Signal network 20 is a network for signal transmission between each network element of the transmission network 10, generally SS7 (Signalling System No. 7) signal network is used. The signal processed by the signal network 20 includes a transaction processing signal for an intelligent network service and data and control signals for operation management of the transmission network 10 in addition to a signal for normal call processing. From the point of view of the intelligent network, the signal network 20 serves as a relay connecting the lower transmission network 10 and the upper service network 30.

The signal network 20 includes a Signaling Trnasfer Point (STP) 21. The STP 21 is a kind of packet exchange that delivers a Common Channel Signaling No. 7 (CCS7) message to another node.

In addition, the service network 30 has service subscriber data and service control logic (SCPs) that control the processing of intelligent network service calls by holding service data and service data for managing service operation in these SCP (31). It consists of a Service Management System (SMS).

The service control point (SCP) 31 is the most essential element for the intelligent network service, and provides service control logic and subscriber data information for the service execution exchange (SSP) 14 to process the intelligent network service call. A database system is provided. SCP 31, which centralizes the intelligence of the network, is characterized by processing large volumes of transactions on-line and in real time.

The service management system (SMS) 32 is a management system supporting the SCP 31, and manages subscriber data necessary for service control. The service subscriber can use this system to change his service data. In addition, it performs reporting function for various measurement data or service processing error of SCP 31, supporting function for network management, checking billing information, and reporting it to the user.

Also shown in FIG. 2 is a general block configuration of PCX 13 and SSP 14 of the transport network 10 elements.

The PCX 13 is composed of ASS-M 41, ASS-S 42, ASS-T 43, ASS-7 44, INS 45, and CCS 46.

The SSP 14 is composed of ASS-T 51, ASS-7 (52), ASS-S 53, INS 54, and CCS 55.

The functions of the respective subsystems of the PCX 13 and the SSP 14 are not the same, but will be described as follows.

ASS-M (Access Switching Subsystem-Mobile) 41 is responsible for most call processing other than the matching function and number translation for mobile subscribers. ASS-S (Access Switching Subsystem-Subscriber) is responsible for call processing including matching and number translation for analog fixed network telephone subscribers. ASS-T (Access Switching Subsystem-Trunk) is responsible for the matching function for the trunk line and the call processing function including number translation. ASS-7 (Access Switching Subsystem-SS7; No.7 Signal Processing Subsystem) is in charge of SS7 signal processing. Each ASS has an Access Switching Processor (ASP) that performs call flow control and operation maintenance functions.

INS (Interconnection Network Subsystem) performs the function of connecting ASS to each other or between ASS and CCS. There is a data link between the INS and each ASS in a point-to-point connection, and communication is performed only between the INS and each ASS. INS concentrates on functions such as number translation, root control function, and space switch connection, and is responsible for generating and distributing system clocks with a network synchronizer. And INS includes INP and NTP. Interconnection Network Processor (INP) performs call processing functions such as channel search and maintenance functions related to state management such as failure detection and recovery processing, blocking / unblocking of switch network, etc. do. NTP (Number Translation Processor) performs number translation and routing functions.

The Central Control Subsystem (CCS) is responsible for the overall maintenance and management of the system. It performs system level maintenance, test and measurement, statistical functions as well as auxiliary memory control management, various input / output door control functions with the operator, and channel connection functions with other systems. CCS includes OMP and MMP. The OMP (Operation and Maintenance Processor) performs maintenance functions in the system and operation management functions such as network management, billing, and statistical database management. Man Machine Processor (MMP) enables a conversation between an operator and a system or between a center and a system.

The intelligent network call processing operation in the intelligent network as described above is as follows.

When the subscriber generates an intelligent network service call through the MS 11, the subscriber reaches the PCX 13 via the BS 12, and the PCX 13 analyzes the number of the requested call and processes the call. 14). At this time, the SSP 14 analyzes and inquires the call requested from the MS 11 to determine that it is an intelligent network service call, and if it is recognized, requests the call control information necessary for service processing to the SCP 31 through the signal network 20, By the information sent by the user to perform the desired service, the existing telephone network, PCX (13) is interconnected with the intelligent network.

When explaining the function of the SSP 14 in more detail, it performs a service recognition function, call control information request function, additional information collection function.

The service recognition function is a function of identifying, determining, and recognizing an intelligent network service call. The call control information request function is a function of requesting information necessary for call control of SCP 31 as an inquiry / response mode after configuring an operation using digits dialed by a subscriber after acknowledging a service call. to be. The additional information collection function allows the SSP 14 to request a user for additional information from the SSP 14 when the information contained in the operation sent to the SCP 31 is insufficient to retrieve the call control information. It is a function to collect previously collected information or additional information from SCP and send it to SCP (31).

In addition, the SSP 14 has a function of controlling the actual call connection and recovery by the SSP 14 using the call control related information received from the SCP 31; An announcement broadcast function for providing announcements to the user by using announcement announcement information transmitted from the SCP 31; The SSP 14 itself using the charging function to handle the charge for the intelligent network service call with the information transmitted from the SCP 31 and the information collected by the SSP 14 itself, and the congestion control-related information sent from the SCP 31. Runs a congestion control function to control traffic in the network.

It is important to know how much the performance of the SSP 14 that performs these functions or how much is the maximum processing capacity. At the time of design, performance and capacity will exist, but at the time of functional development, knowing how much the performance and capacity of the SSP 14 is actually necessary is not only necessary for manufacturers to use as promotional material for sale. It is also necessary to calculate the number of subsystems of the SSP 14 required for service by a company that wants to receive it.

Therefore, the present invention is proposed to grasp the value of the actual service operation rather than the calculation of the performance and capacity of the intelligent network element SSP as described above, the object of the present invention is

Personal communication services eXchange (PCX) artificially generates intelligent network service calls for measurement, so that the subsystems in the service switching point (SSP), which is an element of the intelligent network, can be accessed (Access Switching Subsystem-Trunk; ASS-T). By measuring the performance and maximum capacity of the Access Switching Processor (ASP) of the SSP, the ASS-T of the intelligent network SSP enables you to understand the performance and maximum capacity of the ASSP-T of the SSP as in service real-world situations, not calculations. The present invention provides a method for measuring performance and capacity.

In order to achieve the above object, the ASS-T performance and capacity measurement method of the intelligent network SSP according to the present invention,

A first step of artificially generating an intelligent network call in the ASP of the ASS-M in the PCX and transmitting it to the ASS-T of the SSP;

A second step of requesting number translation of the incoming intelligent network call and measuring load applied to the number translation request process;

If the call requested for number translation is an intelligent network call, an operation is configured to request information for intelligent network call control, and then an information request signal is transmitted to the SCP via a signaling network, and the load applied when configuring the operation is measured. A third step;

A fourth step of receiving and processing the received call control information when the call control information is transmitted from the SCP that has received the information request, and measuring load applied to the received processing;

A fifth step of determining a destination after the reception process, performing outgoing call processing with the PCX, and measuring a load given at the destination determination and a load given at the outgoing call processing;

A sixth step of translating the number of calls received by the PCX into the ASP of the ASS-M in the PCX, and counting the number of successful incoming calls;

If the intelligent network call is not generated in the ASP of the ASS-M in the PCX by the number necessary for measuring the performance and the maximum capacity of the ASP of the ASS-T in the SSP, the intelligent network call is generated. The method consists of a seventh step of statistically processing and outputting the number of occurrences, incoming calls, and number of call attempts.

The first step includes: loading a program for generating an artificial intelligent network call and performing an incoming call processing on the call to the ASP of the ASS-M in the PCX; Collecting input values necessary for executing the program; Generating an intelligent network call according to a call generation interval among the collected input values, and requesting an increase in the number of call occurrences and a number translation; If the number translation result is a relay call to the SSP, the step of transmitting to the ASS-T of the SSP via the ASS-T of the PCX.

The input value may be an originating number for generating an intelligent network call, an intelligent network call, that is, a called number as dialed by a subscriber, an interval between calls to generate an intelligent network call, the total number of generated intelligent network calls, and an intelligent network call price. It is characterized by including the time that the call should be maintained after it is established.

1 is a general configuration diagram of an intelligent network,

2 is a block diagram of an intelligent network element to which the present invention is applied;

3 is a flowchart illustrating a method of measuring subsystem performance and capacity of an intelligent network service performing exchange according to the present invention;

<Explanation of symbols for the main parts of the drawings>

10: Delivery network 20: Signaling network

30: Service network 11: MS

12: BS 13: PCX

14: SSP 21: STP

31: SCP 32: SMS

Hereinafter, the ASS-T performance and capacity measuring method of the present invention intelligent network SSP will be described in detail with reference to the accompanying drawings.

In the design phase of the intelligent network element SSP, the performance and maximum capacity of the ASP of the subsystem ASS-T is measured so that it can be measured not to calculate the actual value but the operational value to handle the actual intelligent network service call. Many practical loads should be given. In addition, the actual load should be given a lot of loads for performing the function as an SSP, which is a function of the intelligent network element, that is, a load for processing the intelligent network call. To do this, a large number of mobile subscribers (which can generate enough load to measure the maximum capacity) must simultaneously generate an intelligent network call, and then measure the performance and maximum capacity of the ASP of the SSP's subsystem ASS-T. Should be.

Therefore, the present invention enables artificially generating an intelligent network call in the ASP 41a in the ASS-M 41 of the PCX 13. That is, a load box program is loaded into the ASP 41a so as to generate an artificial intelligent network call from the load box, and the call to the ASS-M 41 of the PCX 13 is also received. Set to my load box. Therefore, the result of intelligent network call processing can be measured.

3 is a flowchart illustrating a method of measuring ASS-T performance and capacity of an intelligent network SSP according to the present invention.

As shown, a first step of artificially generating an intelligent network call in the ASP 41a of the ASS-M 41 in the PCX 13 and transmitting it to the ASS-T 51 of the SSP 14 (ST11-ST16). )Wow; A second step (ST17) of requesting number translation of the intelligent network call that has been relayed and measuring load applied to the number translation request process; If the call requested for translation is an intelligent network call, an operation is configured to request information for intelligent network call control, and then an information request signal is transmitted to the SCP 31 via the signal network 20, and the operation is configured. A third step (ST18, ST19) of measuring the applied load; A fourth step (ST20, ST21) of receiving and processing the received call control information when the call control information is transmitted from the SCP (31) which has received the information request, and measuring the load applied during the acceptance process; A fifth step (ST22, ST23) of performing an outgoing call processing by the PCX 13 by determining a destination after the reception process, and measuring a load given at the destination determination and a load given at the outgoing call processing; A sixth step (ST24) of translating the call received by the PCX 13 into the ASP 41a of the ASS-M 41 in the PCX 13 and counting the number of successful incoming calls (ST24). -ST28); An intelligent network call is generated in the ASP 41a of the ASS-M 41 in the PCX 13 by the number necessary for measuring the performance and the maximum capacity of the ASP 51a of the ASS-T 51 in the SSP 14. If not, generate an intelligent network call, and if the number is generated, perform the seventh steps ST29 and ST30 to statistically process and output the intelligent network call generation, incoming call success, and call attempts.

In the first step ST11-ST16, a program for generating an artificial intelligent network call and performing an incoming call processing on the call is loaded into the ASP 41a of the ASS-M 41 in the PCX 13. Step ST11; Collecting input values necessary for executing the program (ST12); Generating an intelligent network call according to a call generation interval among the collected input values, and requesting an increase in the number of call occurrences and a number translation (ST13); If the number translation result is a relay call to the SSP 14, a step (ST14-ST16) is transmitted to the ASS-T 51 of the SSP 14 via the ASS-T 43 of the PCX 13. do.

Referring to the ASS-T performance and capacity measurement method of the intelligent network SSP according to the present invention as follows.

First, a program for generating an artificial intelligence network call is loaded into the ASP 41a of the ASS-M 41 in the PCX 13 and then executed (ST11). Then, input values necessary for executing the program are collected (ST12). In this case, the input value may be an originating number for generating an intelligent network call, an intelligent network call, that is, a called number as dialed by a subscriber, an interval between calls to generate an intelligent network call, a total number of generated intelligent network calls, and an intelligent network call price. It is time for the call to be maintained after it is established.

When these input values are collected, the program generates an intelligent network call, such as an intelligent network call transmitted from actual mobile subscribers, at a call generation interval. Then, the number of call occurrences is increased and a number translation is requested (ST13). If the number translation results in the relay call to the SSP 14, it is transmitted to the ASS-T 51 of the SSP 14 via the ASS-T 43 of the PCX 13 (ST14-ST16).

The ASP 51a in the ASS-T 51 of the SSP 14 then requests a number translation for this incoming intelligent network call. In the number translation request processing, the CPU occupancy is checked and the load is measured (ST17).

As a result of performing the number translation, if the call is an intelligent network call, an operation is configured to request information for intelligent network call control, and then an information request signal is transmitted to the SCP 31 via the signal network 20. Then, the load applied to the operation configuration is measured (ST18, ST19).

When call control information is transmitted from the SCP 31 that has received the request for information from the SSP 14, the call control information is received and processed, and the load applied during the acceptance process is measured (ST20, ST21). After the reception process, the destination is determined, and if the destination is the PCX 13, outgoing call processing is performed to the PCX 13. Then, the load given at the destination determination and the load given at the outgoing call processing are measured (ST22, ST23).

In this way, the PCX 13 translates the incoming call from the SSP 14 into the ASP 41a of the ASS-M 41 in the PCX 13, and then increases the number of successful incoming calls. Collect call statistics (ST24-ST27). When the call holding time has elapsed among the input values collected at ST12, call release processing is performed (ST28).

In addition, it checks whether the number of intelligent network calls is generated as many as the number of generated calls among the input values collected in ST12.

However, if the processing after the generation of the intelligent network call is the same as the generation number, the statistical data including the number of intelligent network calls that attempted generation, the number of successful intelligent network calls, and the number of call hour (BHCA) by call generation interval are output. do.

Then, the load measurement value calculated by examining the CPU occupancy ratio and the like of the ASP 51a of the ASS-T 51 in the SSP 14 is outputted and used as data for the performance measurement of the ASP 51a.

In addition, it is possible to measure the maximum capacity of the ASP (51a) of the ASS-T 51 in the SSP 14 by repeatedly performing the intelligent network call flow while increasing the amount of the call (ST29, ST30).

As described above, the method for measuring the performance and capacity of the ASS-T of the intelligent network SSP according to the present invention includes generating an artificial intelligent network call and performing a call processing on the call to the ASP of the ASS-M in the PCX. After loading, artificially generate the intelligent network service call in PCX and measure the load applied to the ASP of ASS-T in the SSP when processing the intelligent network call, so that the same situation as when the intelligent network service is actually operated. It is effective to measure the performance and maximum capacity of the ASP of ASS-T in SSP.

Claims (3)

In the method for measuring the performance of the subsystem of the Service Switching Point (SSP) of the intelligent network (IN) element, A relay network matching subsystem of the SSP by artificially generating an intelligent network call in the processor (ASP) of an access switching subsystem (Mobile) ASS-M in a PCX among transport network elements; Transmitting to ASS-T); A second step of requesting number translation of the incoming intelligent network call and measuring load applied to the number translation request process; If the call requested for number translation is an intelligent network call, an operation is configured to request information for intelligent network call control, and then an information request signal is transmitted to a service control system (SCP) of a service network via a signaling network. A third step of transmitting and measuring the load imposed upon the operation configuration; A fourth step of accepting and processing the received call control information when the call control information is transmitted from the SCP that has received the information request, and measuring a load given during the acceptance process; A fifth step of determining a destination after the reception process, performing outgoing call processing with the PCX, and measuring a load given at the destination determination and a load given at the outgoing call processing; A sixth step of translating the number of incoming calls to the PCX to process incoming calls to the ASP of the ASS-M in the PCX, and counting the number of successful incoming calls; If the intelligent network call is not generated in the ASP of the ASS-M in the PCX by the number necessary for measuring the performance and the maximum capacity of the ASP of the ASS-T in the SSP, the intelligent network call is generated. A method for measuring performance and capacity of a subsystem (ASS-T) of an intelligent network service switching exchange (SSP), comprising performing a seventh step of statistically processing the occurrences, the incoming processing successes, and the number of call attempts. The method of claim 1, wherein the first step, Loading a program for generating an artificial intelligence network call and performing an incoming call processing on the call to the ASP of the ASS-M in the PCX; Collecting input values necessary for executing the program; Generating an intelligent network call according to a call generation interval among the collected input values, and requesting an increase in the number of call occurrences and a number translation; And if the number translation result is a relay call to the SSP, transmitting the ASS-T performance and capacity of the intelligent network SSP to the ASS-T of the SSP via the ASS-T of the PCX. The method of claim 2, wherein the input value, Calling number that generates the intelligent network call, called the intelligent network call, that is, called number dialed by the subscriber, interval between calls to generate the intelligent network call, total number of intelligent network calls that occurred, the call maintains after the intelligent network call is established ASS-T performance and capacity measurement method of intelligent network SSP, characterized by including the time to be.