KR0150029B1 - Vsat database system - Google Patents

Abstract

An object of the present invention is to provide an on-line database implementation method for performing a function to reflect the actual system with a minimum impact on system operation according to a network configuration change request of a system operator. In order to achieve the present invention, the present invention provides a first step of performing a subscriber protocol parameter change of a remote site, a second step of performing a process according to addition of a remote site, and a process according to addition of a writer protocol of a remote site. And a third step of performing a parameter change of the satellite link protocol, and a fifth step of performing a protocol parameter change of the user interface card.

Description

On-line database implementation of low-speed data-only earth station system

1 is a block diagram of a general low speed data dedicated earth station system.

2 is a configuration diagram of a software task on each board to which the present invention is applied.

FIG. 3 is a flow chart of an embodiment showing a process of changing a user protocol parameter of a remote site among online database functions of a low-speed data dedicated earth station system according to the present invention.

4 is an exemplary procedure showing this process when adding a remote site among online database functions of a low-speed data-only earth station system according to the present invention.

5 is an exemplary procedure showing a process of adding a user protocol at a remote site among the online database functions of the low-speed data dedicated earth station system according to the present invention.

6 is an exemplary procedure showing a process of changing a parameter of a satellite link protocol among online database functions of a low speed data dedicated earth station system according to the present invention.

FIG. 7 is a flow chart of an embodiment showing a process of changing a protocol parameter of a user interface card among online database functions of a low-speed data dedicated earth station system according to the present invention.

The present invention relates to a database implementation technology in a low speed satellite data communication system, and more particularly, to an online database implementation method of a low speed data dedicated earth station system.

Conventional low speed data dedicated earth station (VSAT) system provides a centralized network and a large number of terminal stations with a low speed data dedicated service in a forming network. While the system was in operation, it was necessary to support the change of the shape information of the system such as adding or deleting new subscriber information while supporting the existing pressurizer service.

However, as described above, conventionally, the system does not have such functions as changing the parameters of the satellite link protocol and changing the parameters of the protocol of the user interface card while the system is in operation. It was very inconvenient to restart the system after stopping the system service. Also, if you want to perform the function of changing the subscriber station subscriber protocol parameter and adding the terminal station and subscriber protocol during system operation, restart the relevant station. There was a problem with starting up or stopping related system services.

Accordingly, the present invention has been made to solve the above problems, when performing the function to reflect the network configuration change request of the system operator to the actual system, low-speed data that can minimize the impact on the operation of the system The purpose is to provide an online database implementation method for a dedicated earth station system.

In order to achieve the above object, the present invention provides a method for implementing an online database applied to a low-speed data-only earth station system, which includes changing a parameter of a protocol from an operator, adding a remote site, adding a user protocol of a remote site, and a parameter of a satellite link protocol. A first step of confirming whether a change or a protocol parameter change of the user interface card is required; A second step of performing a parameter change of a user protocol of a remote site if an operator instructs parameter change of a protocol in the first step; A third step of performing processing according to the addition of the remote site if the operator instructs the addition of the Rimoto site in the first step; A fourth step of performing processing when adding a user protocol of a remote site if the operator instructs adding a user protocol of a remote site in the first step; A fifth step of, if the operator instructed parameter change of the satellite link protocol in the first step, performing processing upon parameter change of the satellite link protocol; And a sixth step of, if the operator instructed the protocol parameter change of the user interface card in the first step, to perform a process upon changing the protocol parameter of the user interface card.

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

1 shows a schematic configuration of a low speed data dedicated earth station system.

As the central station of the low-speed data-only earth station system, it is in charge of the operation and maintenance functions of the data interface equipment (DIE) subsystem and the low-speed data-only earth station that handle user connection, host connection, satellite connection and various protocols. It consists of a network management service planner and a VAST (VAST Remote System) -DIE subsystem that delivers user service provision and maintenance information to the terminal stations of low-speed data-only earth stations.

The DIE subsystem consists of multiple boards connected to the time division multiplex (TDM) bus of the data transmission path and the SP bus, which is the control data transmission path. Each board is loaded with application software powered by a loaded Micro Teltech Operation System (MTOS) kernel, which runs some other software depending on the board's capabilities.

Network Management System (NMS) is software that runs under the UNIX (registered trademark) operating system. All low-speed data, including the central station and terminal stations, through DIE and Link Access Protocol Board (LAPB) links. It monitors, manages and controls dedicated earth station devices. Implemented on a SUN SPARC® station, the NMS software is implemented under a multitasking architecture on Unix. The terminal station DIE subsystem is equipped with Intel 80286 (registered trademark), a central process unit (CPU) and a MTOS for task management, and a control task for task management. ), A medium level data link control (MDLC) task that is responsible for accessing satellite channels, and a master control card remote site (MCCRS) task that is responsible for data transfer between the NMS and a remote site controller processor (RSCP).

2 shows the task configuration of the software on each board to which the method is applied.

Online functionality is implemented in the Configuration Control (CFGCC) task on the Common Control (CC) board of the DIE subsystem and in the BitSynchronous Control (BSCTL) task on the User Interface Card (UIC) board. In network management system, it is mainly implemented in database manager and user access management. In addition, the terminal station DIE subsystem is implemented in a BSCTL task. Each protocol has been partially modified to perform an online function.

And, as shown in Figures 3 to 7, the online database implementation method of the low-speed data dedicated earth station system according to the present invention, the user can change the parameters of the protocol, add the remote site, add the user protocol of the remote site, A process of checking whether a parameter change of a satellite link protocol or a change of a protocol parameter of a user interface card is required; if the operator instructs to change a protocol parameter, a process of changing parameter of a user protocol of a remote site; If the command to add the site, the process of performing the process according to the addition of the remote site, if the operator commanded the addition of the user protocol of the remote site, the process of performing the process of adding the user protocol of the remote site, and the operator If the command to change the protocol of the user interface card is performed when the parameter change of the protocol is performed, and if the operator commands to change the protocol parameter of the user interface card, the process to perform the process of changing the protocol parameter of the user interface card is performed. Equipped.

3 is a flow chart of an embodiment showing a process of changing a user protocol parameter of a remote site among online database functions of a low speed data dedicated earth station system according to the present invention.

As shown in FIG. 3, the operator changes the subscriber protocol parameters of the remote site (301), the network operating system (NMS) performs verification of the change and modifies the relevant database record (302), A corresponding result of the changed contents is stored (303), and the changed subscriber protocol parameter is transmitted to the VSAT Central System (VCS) -DIE (304). Subsequently, the VCS-DIE processes the new database contents (305), then disconnects the user data link, performs flow control, and requests the same behavior from the VRS DIE (306). At the request of the CCS DIE, the VRS DIE also disconnects the data link and performs flow control (307). Subsequently, the corresponding boards on the relevant network (the directly connected neighbor boards) are updated, and the VRS DIE is processed (308) for a new user port parameter. Accordingly, the VRS DIE processes the new user photo parameter (309). After the user photo parameter is processed as described above, the VCS DIE releases flow control and disconnection of the user data link, restores the user data link, and requests the same behavior from the VRS DIE (310). According to this request, the VRS DIE also releases the flow control and user data link and restores the data link (311). The VCS DIE then reports (312) the status of the relevant network buds to the network operating system (NMS), and the network operating system processes (313) the updated status and then stores (314) for maintenance. The VCS DIE then sends a database update complete message to the network operating system (315), and then the network operating system notifies the operator (316) and stores (317) for maintenance.

4 is a flow chart of an embodiment showing a process of adding a remote site among the online database functions of the data-only earth station system according to the present invention.

As shown in FIG. 4, after the operator changes the match record of the remote site (401), the network operating system (NMS) performs verification on the changed content and corrects the relevant data bait record (402), The corresponding value is stored (403). The network operating system then requests 404 to terminate the satellite link to the VCS DIE and, according to this request, the VCS DIE to terminate the satellite link (405). Subsequently, the VRS DIE closes the satellite link, performs flow control of user ports, and sends a satellite link termination completion message to the VCS DIE (406). The VCS DIE receives the message and sends a satellite link termination completion message to the network operating system. After the network operating system processes the satellite link termination complete message (407) and saves the maintenance (408), the network operating system sends a new database to the VCS DIE to which the modified remote site has been added (409). The VCS DIE processes the database (410), initializes the associated neighboring boards (411), and then reports the status of the related boards to the network operating system (412). The network operating system then processes the updated state (413) and stores it for maintenance (414). When the VCS DIE sends a database update completion message to the network operating system (415), the network operating system reconnects the satellite link again, sends an activation command to the RFT (Radio Frequency Terminal) of the VRS, and informs the operator ( 416), store for maintenance (417). The VCS DIE then reconnects the satellite link (418), the VRS DIE reconnects the satellite link, releases the flow control on the user port (419), and the VRS RFT processes the new database and reconnects with the operator system. A connection is made (420). The network operating system receives the connection completion message from the VRS RFT, updates the satellite link state (421), and stores it for maintenance (423).

FIG. 5 is a flowchart illustrating an exemplary process of adding a user protocol to a remote site among online database functions of a low-speed data dedicated earth station system according to the present invention.

As shown in FIG. 5, after the operator changes the port connection of the remote site (501), the network operating system (NMS) performs verification of the change, modifies the relevant database record (502), The user port information of the remote site is transmitted to the VCS DIE (503). The VCS DIE then processes the user fork information at the remote site (504), performs flow control on the associated user data link and adjacent boards, and sends a user data link flow control message to the VRS DIE (505). The VRS DIE performs flow control on the user data link (506). The VCS DIE then initializes the associated baud (507) and terminates the flow control (508). In addition, the VRS DIE also performs flow control (509), the VCS DIE sends the updated status of the associated boards to the network operating system (510), and the network operating system updates the status of the associated boards (511), and maintenance. Save for 512. Subsequently, when the VCS DIE sends a database update complete message to the network operating system (513), the network operating system notifies the operator (514) and stores (515) for maintenance.

FIG. 6 is a flowchart illustrating an exemplary process of processing a parameter change of a satellite link protocol among online database functions of a low-speed data dedicated earth station system according to the present invention.

As shown in FIG. 6, the operator changes the parameters of the satellite link protocol (601), the network operating system performs verification of the change, modifies the relevant database record (602), and changes to the database. Store the result for (603). The network operating system informs the VCS DIE of the satellite link termination (605). The VRS DIE then terminates the satellite link and performs flow control on the user port (606). When the VCS DIE receives a VRS DIE message and sends a satellite link termination complete message to the network operating system, the network operating system processes the satellite link termination complete message (607), saves it for maintenance (608), and then The parameters of the satellite link protocol and a new database are sent to the VCS DIE (609). The VCS DIE then processes the database (610), initializes the associated network corresponding boards (611), and the VRS DIE processes the new satellite parameters (612). Subsequently, when the VCS DIE reports the status of related boards to the network operating system (613), the network operating system processes (614) the updated status and stores it for maintenance (615). When the VCS DIE sends a database update completion message to the network operating system (616), the network operating system reconnects the satellite link again, notifies the operator (617), and stores it for maintenance (618). When the VCS DIE reconnects the satellite link (619), the VRS DIE reconnects the satellite link and releases flow control on the user port (620). The network operating system updates the satellite link state (621) and stores it for maintenance (622).

7 is an exemplary procedure diagram showing a process of changing a protocol parameter of an online database functional master user interface card of a low speed data dedicated earth station system according to the present invention.

As shown in FIG. 7, when an operator changes a parameter of a subscriber protocol (701), the network operating system performs verification of the change, modifies the relevant database record (702), and changes to a VCS DIE. Send the parameter (703). The VCS DIE then processes the new database contents, processes the changed subscriber protocol parameters (704), sends the associated user data link and user data link flow control messages (705), and the VRS DIE also flows on the user data link. Control 706. The VCS DIE then performs an update on the associated boards (707) and terminates flow control (708). Then, the flow control is terminated with the VRS DIE (709). Then, when the VCS DIE sends an updated state of the associated boards to the network operating system (710), the network operating system updates (711) the state of the associated boards and stores (712) for maintenance. After the VCS DIE sends a database update completion message to the network operating system (713), the network operating system notifies the operator (714) and stores it for maintenance (715).

As described above, the online database implementation method of the low-speed data dedicated earth station system according to the present invention has the effect of operating the online database with minimal effect on the system operation according to the network configuration change request of the system operator. .

Claims (6)

In the online database implementation method applied to the low-speed data dedicated earth station system, a protocol parameter change, a remote site addition, a remote site user protocol addition, a satellite link protocol change or a user interface card protocol change from an operator is performed. A first step of confirming that a request is made; A second step of performing a parameter change of a user protocol of a remote site if an operator instructs parameter change of a protocol in the first step; A third step of performing a process according to the addition of the remote site if the operator instructs the remote site addition in the first step; A fourth step of performing processing when adding a user protocol of a remote site if the operator instructs adding a user protocol of a remote site in the first step; A fifth step of, if the operator instructed to change a parameter of the satellite link protocol in the first step, performing processing when changing the parameter of the satellite link protocol; And a sixth step of, when the operator instructs the protocol parameter change of the user interface card in the first step, to perform processing when the protocol parameter of the user interface card is changed. . The method of claim 1, wherein the second step comprises: a seventh step in which an operator changes a subscriber protocol parameter of a remote site and performs verification on the change; An eighth step of storing the corresponding result of the changed content and burning the changed subscriber protocol parameters; A ninth step of receiving the squeeze protocol parameter to process a new database content, disconnecting a user data link, and performing flow control; A tenth step of updating corresponding boards on a related network and processing a new user port parameter; An eleventh step of releasing the flow control and disconnection of the user data link and restoring the user data link after the user port parameter is processed; And a twelfth step of reporting the status of related network boards, processing the updated status, sending a database update complete message to the network operating system, and then informing the operator. Way. The method of claim 1, wherein the third step comprises: a seventh step of changing a match record of a remote site, then performing verification on the changed content and modifying a related database record; An eighth step of terminating the satellite link in response to the request for termination of the connected satellite link; A ninth step of terminating the satellite link, performing flow control of user ports, and sending a satellite link termination completion message; Receiving and processing a satellite link termination completion message and sending a new database added with the modified remote site; An eleventh step of processing the transferred database, initializing related neighbor boards, and reporting a state of the related board; A twelfth step of updating the database, sending a database update complete message, and then reconnecting the satellite link; Reconnecting the satellite link and releasing the flow control on the user port; And a fourteenth step of processing and reconnecting the new database and updating the satellite link status. The method of claim 1, wherein the fourth step comprises: a seventh step of changing a port connection of a remote site, verifying the change, and modifying an associated database record; An eighth step of transmitting user port information of the remote site and then processing user fork information of the remote site; A ninth step of performing flow control on the associated user data link and adjacent boards; Initiating associated boards and canceling flow control; And an eleventh step of updating a state of associated boards and sending a database update complete message to an operator. The method of claim 1, wherein the fifth step comprises: a seventh step of changing a parameter of the satellite link protocol, performing verification of the change and modifying an associated database record; An eighth step of receiving a satellite link cancellation request, canceling the satellite link to notify the remote site, and performing flow control on the user photo; A ninth step of receiving and processing a satellite link termination completion message and sending a parameter of a satellite link protocol and a new database; A tenth step of processing the transferred new database, initializing the relevant network corresponding boards, and processing the new satellite parameters; An eleventh step of reporting a state of related boards and processing an updated state; A twelfth step of receiving a database update completion message and reconnecting to a satellite link to notify an operator; And a thirteenth step of releasing the flow control on the user port and updating the satellite link status. The method of claim 1, wherein the sixth step comprises: a seventh step of changing a parameter of a subscriber protocol, performing verification of the change, and modifying a related database record; An eighth step of receiving the changed subscriber protocol parameter and processing the changed subscriber protocol parameter; A ninth step of processing new database contents, sending a related user data link and a user data link flow control message, and controlling the flow for the user data link; A tenth step of performing an update on the associated boards and canceling flow control; An eleventh step of receiving the updated state of the associated boards and updating the state of the associated boards; And a twelfth step of notifying an operator of a database update completion message.