KR100285952B1 - Operation administration and maintenance terminal for adsl transmission system - Google Patents

Abstract

PURPOSE: A system maintenance equipment of an ADSL(Asymmetric Digital Subscriber Line) transmission system is provided to reduce a managing time of a manager by managing efficiently information of the ADSL transmission system. CONSTITUTION: A video server(101) is used for transmitting video information to a television(115) or a PC(Personal Computer)(116). A level one gateway(102) is used for requesting transmission of the video information according to a request signal. A high data network(103) and an ATM MUX(104) are a network and a switch of a service provider, respectively. An internet service network(106) is a network of an internet entrepreneur. A router(107) is used for connecting communication networks to each other. An ADSL central office system(108) is a high-speed modem installed in a telephone office. A PSTN(109) is used for performing a voice information service. An ADSL ATU-R(113) is used as a subscriber's modem. An STB(114) is used for converting a video signal of the video server(101). An MDF(Main Distributing Frame)(112) is used as a distributing line. An IDF(Intermediate Distributing Frame)(111) is used for connecting cables to each other.

Description

System Maintenance System for Asymmetric Subscriber Line Transmission System {OPERATION ADMINISTRATION AND MAINTENANCE TERMINAL FOR ADSL TRANSMISSION SYSTEM}

The present invention relates to a system maintenance apparatus for an asymmetric digital subscriber line (ADSL) transmission system, and more particularly, to a maintenance apparatus for managing configuration, failure, and performance management functions of an ADSL transmission system.

In general, ADSL transmission system is a transmission device installed at both ends of the telephone line (subscriber, switching center) so that data can be transmitted at high speed by using the existing telephone line. It is a transmission device. There is a need for a maintenance management device that can quickly and stably service a service user to various problems that occur during operation in such an ADSL transmission system.

Accordingly, an object of the present invention is to provide a maintenance apparatus capable of efficiently managing system management target information generated in an ADSL transmission system and reducing a management time of an operator and providing a stable service to a service user.

Another object of the present invention is to provide a maintenance apparatus for managing the operator to facilitate the use of the operator in the ADSL transmission system, eliminate system failure time, and to quickly search the management target information.

1 is a network structure for providing on-demand video service and Internet service in the ADSL transmission system according to an embodiment of the present invention

Figure 2 is a block diagram of an ADSL system maintenance apparatus according to an embodiment of the present invention

3 is a configuration diagram of a software module displaying data flow according to an embodiment of the present invention.

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

1 is a network structure diagram for providing an on-demand video service and an Internet service in an ADSL transmission system according to an embodiment of the present invention.

The video server 101 compresses and stores the video information provided by the video provider, and transmits the video information desired by the general subscriber to the general subscriber television (TV) or personal computer (PC) through the telephone line using the ADSL transmission system. It performs the function. The level one gateway 102 analyzes the request signal transmitted from the general subscriber and requests the video server 101 to transmit the video information desired by the general subscriber to the home. High-speed data network 103 and ATM MUX 104 represent networks and switches provided by a service provider for high-speed information transmission. Internet service provider 105 represents a service provider that provides a service program in an existing Internet service. Internet service network 106 is a network provided by an Internet service provider for Internet service. The router 107 interconnects a plurality of communication networks using a relay function of the Internet network layer for Internet service. The ADSL Central Office System 108 represents a high speed modem installed at the telephone company side to implement the ADSL transmission method. PSTN 109 is a telephone line network established for voice information service. ADSL ATU-R 113 is a subscriber side modem for ADSL transmission. The STB 114 converts the video signal transmitted from the video server 101 to the signal of the subscriber television 115 or the personal computer 116. The subscriber TV 115 or the personal computer 116 refers to the portion where the video signal transmitted from the video server 101 is output. In the case of the pulsed computer 116 directly connected to the ADSL ATU-R 113, the Internet information is output from the Internet service provider 105. Speak terminal. Main Distributing Frame (MDF) 112 refers to a wiring board for connecting the line side with domestic equipment such as a line link switch or trunk when the subscriber line or relay line is drawn into the telephone office.The number of terminals on the line side is the terminals on the exchange side. Since it is more than the number, it acts as an assembly. IDF (Intermediate Distributing Frame) 111 serves to interconnect when domestic cable aggregation and distribution between devices is needed.

The subscriber briefly describes the procedure for receiving video-on-demand service. First, when the subscriber turns on the STB 114 by using a remote controller for controlling the STB 114, the STB 114 is supplied with the ADSL ATU-R 113, ADSL CO. The level one gateway 102 is notified via the system 108, the high-speed data network 103, and the level one gateway 102 downloads the main menu to be selected by the general subscriber to the subscriber TV 115 or the personal computer 116. At this time, when the subscriber selects a desired video service in a predetermined order, the selected service request signal is transmitted to the level one gateway 102. The level one gateway 102 then controls the video server 101 to provide the service requested by the subscriber so that the corresponding video information is transmitted via the high speed data network 103, the ADSL CO system 108, the public switched telephone network 118, the ADSL ATU-R 113, and the STB 114. Video information is output to the subscriber TV 115 or the personal computer 116.

In the case of the Internet service, if the personal computer 116 connected directly to the ADSL ATU-R 113 transmits a connection request signal, the signal is transmitted to the ADSL ATU-R 113, the public telephone line network 118, the ADSL CO system 108, the router 107, and the Internet service. It is sent to the Internet service provider 105 via the network 106. At this time, the Internet service provider 105 transmits the information back in the reverse order to the subscriber's home.

The system maintenance apparatus 119 for maintaining such a service system is a device installed to manage the maintenance of the ADSL transmission system that provides the Internet and on-demand video service. It is in charge of providing notification, system performance information, system test function and history management function.

2 is a block diagram of an ADSL system maintenance apparatus according to an embodiment of the present invention.

The maintenance means terminal 201 is configured to enhance the GUI (Graphic User Interface) function to provide an easier and simpler operator interface function, so that the operator can easily use various functions through the menu, and various trouble occurrence information generated in the system, Database storage function that collects system performance information and changed configuration information and provides them according to the needs of the operator, SNMP communication management function that manages communication status with multiple ADSL transmission systems, and communication supporting TCP / IP-based communication protocol. Provide functions to the operator. Alarm panel 202 refers to a device that converts and displays audible and audible alarms so that the operator can easily see the fault information generated in the ADSL transmission system. It is directly connected to the terminal 201 through the serial port. The speaker 203 serves to notify the operator of audible alarms in the system when the alarm panel is not connected to the lower end of the maintenance means 201. The printer 204 is connected to the network 206 to perform various functions such as configuration information, failure information, and performance information stored in the database of the maintenance means terminal 201 in text or graph form to the operator. The ADSL transmission system 205 connects to the system maintenance device 201 and the Ethernet environment to transmit various information (configuration, failure, performance information) generated in the system to the system maintenance device 201, and is provided by the ADSL transmission system. It is a system that provides various services (Internet, video on demand). The maintenance unit 201, the printer 204, and the ADSL transmission system are connected to the environment of Ethernet 206 and support 10Base-T, 10Base-T, 10Base-5, etc.

3 is a configuration diagram of a software module displaying a data flow according to an embodiment of the present invention.

The alarm server 301 and the information server 302 are modules that control the communication protocol between the system maintenance apparatus 201 and the ADSL transmission system 205. The alarm server 301 collects and processes information that needs to be processed in real time among management target information generated in the ADSL transmission system. The information server 302 is a module that runs and processes when the maintenance means terminal 201 periodically collects management target information from the ADSL transmission system 205. The system maintenance means terminal 201 has several processing modules that control the collected management target information internally according to the type of information. The system collects the fault information generated in the ADSL transmission system 205 and displays the fault information generated by the operator. Fault management module (FM) 303 and ADSL transmission system for notifying audible alarms, storing fault information in a database, and controlling a series of functions that provide the operator with a fault information in text or graph form as needed. Performance management module (PM) 304 and ADSL that collect and analyze the performance information transmitted from 205 and provide the operator with performance information in the form of text or graph as needed to efficiently manage system or service usage. Configuration status of transmission system 301, configuration status of various cards in the system, operation status of network, internal configuration of system Controls to provide new line status and alarm panel configuration status in the form of map for the operator to easily identify, and provides the function to register, delete, modify and search each configuration status, and provide it as needed by the operator. Multi-user access support that allows multiple operators to use the billing management module (AM) 306 and the maintenance means terminal 201 to collect the usage status of the service to calculate the service usage fee, operator class control, password management, It consists of a security management module (SM) (307) for controlling functions such as password change. The database module 309 stores, modifies, retrieves, and deletes various kinds of management information, retrieves data according to the needs of the operator, and provides the data in the form of a text or a graph, and provides a backup processing function for backing up management target information. Module to control. ADSL transmission system 205 is a device that provides the Internet or on-demand video service, and consists of a communication processing unit for transmitting the management target information to the system maintenance terminal 201 and the MIB unit for storing the management target information for the interface with the end of the system maintenance means 201. have. In order to collect the management target information, the ADSL system maintenance means terminal 201 periodically calls the ADSL transmission system 205 to perform the background task of collecting the management information and the foreground operation of collecting the management target information as necessary. In the background job that periodically collects management information, the background processing module calls the information server 302 to transmit information request information to the ADSL transmission system 205, and the ADSL transmission system 205 receiving the request information is recorded in the internal MIB table. Send all the information to the end of maintenance means 201. In the case of foreground work due to the operator's need, the operator selects the information to be collected through the main menu program 308, for example, the failure information module 303 and the configuration information module 305, and the maintenance means terminal 201 sends the request information through the information server 302. Transmit to the transmission system 205. The agent in the ADSL transmission system 205 analyzes the request information and then finds the corresponding information in the internal MIB table and transmits the information to the maintenance terminal 201 through the information server 302. The received information is stored in the database module 309 and informs the operator of the result. In case of management information that causes a fatal obstacle in using the service, real-time processing function is required, so the ADSL transmission system selects special management information separately and transmits this information to the maintenance terminal 201 regardless of the maintenance terminal 201 request information. In order to process such information, the maintenance terminal 201 always activates the alarm server 301.

The main functions provided by the maintenance terminal 201 can be classified into configuration management, security management, failure management, performance management, and billing management.

First, the configuration management function is a system management function that manages the configuration status of the ADSL transmission system. The system configuration function that can register, delete, search, and modify the configuration status of the system and the card mounting status of the system in the system can be registered, deleted, searched, and modified. Card configuration function that can be connected to the system to register, delete, search, and modify the configuration status of the service user receiving the service, and APU registration to connect to the system to show the audible alarm of the system fault information, and to inform the operator Function to delete, search, and modify the system, and to classify the fault information generated by the system in an emergency, and to configure the class of information (system, card, subscriber, fault level) registered in the database. Provides the operator with a configuration list function that outputs the data in the form required by the operator. The second main function of the configuration management function is the network management function, which intensively manages the communication setting status between the maintenance device and the ADSL transmission system connected to the maintenance device, and checks the network status between the maintenance device and the system. Polling interval setting function to set status check period, information collection time setting function to set time to collectively collect management information inside the system, and status information of packets exchanged between maintenance device and system (total number of packets, transmission) It provides the network performance information function to collect the number of successful packets, failed packets, etc.) to the operator.

In addition, the maintenance device can record and store the action history according to each failure information generated in the system, thus providing a maintenance management function that provides the system maintenance history to the operator. The security management function provided by the maintenance unit can determine the system access level of the system operator, change the operator registration management function for granting the password, change the password of the registered operator, and change the password for setting the operator password allowance period. It provides access history management function that records all actions used by accessing functions and maintenance devices and provides them to the operator as needed.

The fault management function includes a blank control function that changes the indication of the fault status in the network map (a window that graphically displays the configuration status of the system and the card) and a speaker that informs the operator in the form of an audible alarm. Map screen management function and malfunctioning system including speaker control function to set whether or not, and alarm filter function to display only specific fault information on the network map when fault information that the operator needs to observe intensively among fault information generated in the system Or a system control function that provides a loopback test function that tests the card for failure status, and a remote reset function that allows the card to be reset remotely from the maintenance unit, and a fault requiring the fault information sent from the system. Configuration control functions, including information retrieval functions, and database System fault statistics function to search all the fault information in the condition desired by the operator and system fault history function to search the detailed occurrence history of the fault information stored in the database and the fault information for a long time when the operator leaves It provides the automatic output of failure information that enables the centralized management of failure information that can be managed by user.

The performance management function is a system that provides the operator with the statistical information collected periodically by the maintenance unit (in the form of graphs or text). The performance statistics function and the system that provides the operator with the contents of the collected performance information more specifically. Provide the performance history function to the operator.

The billing management function is a function that monitors the total number of packets exchanged between the system and the subscriber station and calculates a fee based on the result. In addition to this, there is a database management function to set the management information stored in the database to be periodically or immediately backed up to another medium (DAT or CD), and all functions provided by the maintenance unit can be easily used by the operator. There is a help function that provides detailed help.

As described above, the present invention can efficiently manage the management target information generated in the ADSL transmission system to increase the ease of use of the operator, and significantly reduce the management time of the operator based on the data on the operation of the system. There is an advantage that can provide a reliable service to service users.

Claims (1)

In the maintenance apparatus of the asymmetric subscriber line transmission system, It is composed so that the operator can easily use various functions through the menu by using the GUI function, and collects the fault occurrence information, performance information, changed configuration information, etc. generated in the transmission system and provides the database according to the needs of the operator. A maintenance means terminal providing an operator with a function, an SNMP communication management function for managing communication status with multiple ADSL transmission systems, a communication function supporting a TCP / IP-based communication protocol, and the like. Refers to a device for converting the visible and audible alarm to display the fault information generated in the ADSL transmission system so that the operator can easily see, and the alarm panel is directly connected using the maintenance means terminal and serial port; A speaker that informs an operator of a failure information generated in the system as an audible alarm when the alarm panel is not connected to the lower end of the maintenance means; Asymmetrical subscriber line transmission characterized in that it is connected to the network consisting of a printer that performs the function to provide the operator in the form of text or graph the configuration information, fault information, performance information stored in the database of the maintenance means terminal Maintenance of the system.

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