KR0179513B1 - Real-time processing method of information message in centralized b-nt - Google Patents

Abstract

The present invention relates to a method for real-time processing of an information message in a centralized broadband network termination apparatus (B-NT), and separates information requiring real-time processing from information that does not, and the information requiring real-time processing is a lower control device. If the processing is performed in (12) and only the report is performed by the upper control device 11, and real-time processing is not required, the information is transferred directly from the lower control device 12 to the upper control device 11, and the upper control device ( After processing the information in 11), real-time processing is possible by transmitting control information through the lower control device 12, each has a channel for each functional device 17, it is possible to buffer the event when the event occurs, In the message transmission between the upper control device 11 and the lower control device 12, since there are 64 channels, the number of messages can be buffered by this number.

Description

Information message real-time processing method in centralized broadband network termination equipment (B-NT)

1 is a structural diagram of a centralized broadband network termination apparatus (B-NT) to which the present invention is applied.

2 is an internal configuration diagram of a sub-control device to which the present invention is applied.

3 is a block diagram of an interrupt multiplexing unit in a lower control apparatus to which the present invention is applied.

4 is a flowchart of an information message real time processing method according to the present invention.

5 is a flowchart of an operation of an initialization step according to the present invention.

6 is a flowchart illustrating operations during board detachment according to the present invention.

7 is a flowchart illustrating an operation when an alarm is generated according to the present invention.

8 is a flowchart illustrating operation of generating signal information according to the present invention.

9 is an operation flowchart when OAM information is generated according to the present invention.

* Explanation of symbols for main parts of the drawings

11: upper control unit 12: lower control unit

13: I / O bus 14: alarm monitoring bus

15: hernia monitoring bus 16: signal, OAM monitoring bus

17: functional device

The present invention relates to a method for processing information messages in real time in a centralized broadband network termination apparatus (B-NT).

Centralized Broadband Network Termination Device (B-NT) is a device that performs B-NT2 function in a broadband integrated information network, controls each functional device that processes data at high speed, and monitors failure or detachment of each functional device. In addition, a function for processing a call required from a network and processing an OAM (Operation And Management) signal is required. It also requires the ability to manage the entire system, manage failures, manage the current system state, and manage the system at the network level.

Conventionally, in order to perform the above functions, the entire system is controlled by one processor, or the upper and lower processors have a problem of failing to process the information message generated in real time by performing only a function of transferring the upper system to the upper processor.

In addition, in the I / O control channel, there is a problem in that an event occurring in the I / O device cannot be handled when there is a lack of processing power by using one channel.

Accordingly, the present invention devised to solve the above problems of the prior art separates the information that requires real-time processing and the information that does not, and the information that requires the real-time processing is processed by the lower control device, the upper control device If only reporting is required and real-time processing is not required, the controller transmits the information directly from the lower control device to the upper control device, processes the information from the upper control device, and then passes the control information through the lower control device. It is possible to have a channel for each functional device, which can buffer the event when an event occurs, and because it has 64 channels for message transfer between the upper control device and the lower control device, it is possible to buffer messages as many as this number. To provide real-time processing of information messages in centralized broadband network termination equipment (B-NT). Its purpose is to.

The present invention for achieving the above object is configured by separating the control device into an upper control device and a lower control device, the lower control device is an input / output (I / O) bus, alarm monitoring bus, hernia monitoring bus, signal OAM In the real-time information message processing method applied to a centralized broadband network end device (B-NT) connected to a plurality of functional devices via a supervisory bus, the lower control device analyzes the state information input from the functional device, and then Transmits an initialization command to each functional device, synchronizes with the upper control device, performs initialization by transmitting initialization information and system state information to the upper control device, and the lower control device receives an event type when an occurrence of the event is received. A first step of analyzing a second step of changing a system state by notifying a state change for real time processing if the event type is board detachment information in the first step If the event type is alarm information in the first step, the lower control device analyzes the function device and the content of the fault for real-time processing and takes action according to the alarm to the fault function device or all the function devices, and then The third step of changing the alarm occurrence information by reporting the fault occurrence details and action results to the control device: If the event type is signal information in the first step, the lower control device transmits it to the upper control device, and the upper control device receives Processing the received signal information, and transmitting a response signal to the functional device through the lower control device; and if the event type is OAM information in the first step, the lower control device reads the OAM information, and then the higher control device. The fifth step of generating OAM processing information by informing the OAM information generation and processing results as characterized in that it comprises a.

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

First, the present invention is briefly described as follows. At system initialization, the lower control device reads the state of the functional devices and whether it is mounted, and then performs an initialization command.

Then, after the lower control device synchronizes with the upper control device, the lower control device reports the initialization result to the upper control device. In this way, the system enters the normal operating state.

In normal operation, when an event is reported from each functional device, this information is processed and control information is transmitted. Types of events include board detachment changes, device alerts, and signal and OAM information. When each event is input to the lower control device, the interrupt control signal is changed to a predetermined level inside the lower control device, and the signal is input to the CPU of the lower control device.

The lower control device sends a response to the function device where the event occurred for real-time processing when the received event is to be processed by its own, and notifies the upper control device of the result. Notify immediately and take action after receiving response from son-in-law control.

1 is a structural diagram of a centralized broadband network termination apparatus (B-NT) to which the present invention is applied, in which reference numeral 11 denotes an upper controller, 12 lower controller, 13 an input / output (I / O) bus, 14 indicates an alarm monitoring bus, 15 indicates a hernia monitoring bus, 16 indicates a signal OAM monitoring bus, and 17 indicates a functional device.

As shown in the drawing, the centralized broadband network termination apparatus (B-NT) is a higher controller 11, a lower controller 12, and a functional device that performs the Asynchronous Transfer Mode (ATM) layer function and the physical layer function (17). )

The upper control unit 11 is responsible for network management, system failure management, system state management, call processing management, and the like, and each function of the upper control unit 11 is performed based on the information reported by the lower control unit 12. All.

The lower control device 12 initializes each functional device 17 at start-up, and this process is executed via the I / O bus 13 of the lower control device 12. After the initialization process, each functional device 17 enters an operating state.

In the normal operating state, each functional device 17 reports the status to the lower control device 12 periodically or every time an event occurs.

Report contents include periodic OAM information, aperiodic signal information, OAM, alarm status information, and board detachment information. These pieces of information are collected inside the lower control device 12 and reported to the CPU of the lower control device 12. The alarm status, detachment status, and signal and OAM information can be obtained from the respective alarm monitoring bus 14, hernia monitoring bus 15, signals, and OAM monitoring buses connected between the lower control device 12 and the functional devices 17, respectively. 16).

When an interrupt occurs, the lower control device 12 searches for the interrupt register of the interrupt and takes a corresponding action.

FIG. 2 is a block diagram of the lower control device 12 to which the present invention is applied. In the drawing, reference numeral 21 denotes a redundant port RAM (DPRAM), 22 denotes a control logic unit, 23 denotes a CPU, and 24 denotes a transceiver.

The CPU 23 communicates with the host controller 11 via the DPRAM 21, and the other port of the DPRAM 21 is connected with the host controller 11 via the VEM BUS.

The lower edge device 12 and the upper control device 11 exchange messages with each other using an interrupt signal of the DPRAM 21. In addition, the CPU 23 controls the functional device 17 through the transceiver unit 24.

The control logic unit 22 decodes the signal of the alarm monitoring bus 14, the hernia monitoring bus 15, the signal, the OAM monitoring bus 16, and the interrupt request signal inputted by the host controller 11 so that the CPU ( 23) Make an interrupt request.

Then, the CPU 23 activates and outputs an interrupt acknowledgment signal to the control logic unit 22, and executes the interrupt routine.

The interrupt routine accesses the interrupt register to determine the cause of the interrupt and takes the appropriate action.

3 shows an interrupt multiplexer in the lower control apparatus 12 to which the present invention is applied.

The interrupt level determiner 25 functions to map an interrupt request signal connected to the CPU 23 on a printed circuit board with an interrupt source signal.

The mapping is determined by setting the control register 26 in the program via the CPU local bus. In addition to the one-to-one mapping, this mapping allows any interrupt source to be connected to one interrupt request line.

By doing so, the lower control apparatus 12 has flexibility in preference to each situation, and thus has general purpose, and has an advantage of accommodating this even when the interrupt source increases during system expansion.

4 is a flowchart of an information message real-time processing method according to the present invention.

First, the lower control device 12 analyzes the state information input from the functional device 17, transmits a corresponding initialization command to each functional device 17, and synchronizes with the upper control device 11. In operation 100, the initialization information and the system state information are transmitted to the upper control device.

After the initialization, the lower control device 12 analyzes the event type (200) when the occurrence of the event is received (300), if the analyzed event type is the board detachment information, and stores the state change for real-time processing, and then another functional device In step 400, the controller 100 transmits a state change command to the upper control device 11 and notifies the system state change to change the system state.

If the analyzed event type is alarm information, the lower control device 12 analyzes the function device and the content of the fault for real-time processing, takes an action according to the alarm information to the fault function device or all the function devices, and then controls the higher level. In operation 500, the device 11 reports a failure occurrence and an action result to change the alarm occurrence information.

If the analyzed event type is signal information, the lower control device 12 transmits it to the upper control device 11, and the upper control device 11 processes the received signal information, and transmits the response signal to the lower control device 12. In operation 600, a signal processing signal transmitted to the functional device 17 is performed.

If the analyzed event type is OAM information, the lower control device 12 reads the OAM information, takes the corresponding action, informs the function device 17 of the result, and then generates and processes the OAM information to the upper control device 11. In step 700, the procedure for receiving the OAM information is received to update the OAM processing information.

5 shows an operation flowchart of an initialization process according to the present invention.

When power is applied to the system 101, each functional device 17 notifies the lower control device 12 of status information, and the lower control device 12 receives it 102. This status information is identification information (IDentification), detachment information, and fault status information indicating the board type.

The lower control device 12 analyzes the state information input from each functional device 17 (103), and then transmits the corresponding initialization command to each functional device 17 (104).

Then, the lower control device 12 transmits 106 to the upper control device 11 for DPRAM 21 communication. At this time, the host controller 11 determines the system state based on this information.

The upper control device 11 stores system shape information using the initialization information input from the lower control device 12, and operates the system (107).

6 is a flowchart illustrating an operation during board detachment according to the present invention.

The board detachment information is taken by the lower control device 12 for real time control, and only state change information is transmitted to the upper control device 11 afterwards.

When a board detachment event occurs, the lower control device 12 receives this information from the functional device 17 (401). After receiving the information, the lower control apparatus 12 processes and stores the state change (402), and then transmits the appropriate command to the other functional apparatus 17 associated with the detachable information source functional apparatus (403).

Then, the host controller 11 notifies that the state of the system has changed (404), and the host controller 11, having received this information, changes the system state (405).

7 shows an operation flowchart when an alarm is generated according to the present invention.

The alarm occurrence information takes a manner of taking proper control in the lower control device 12 and reporting the result to the higher control device 11 for real time control.

First, when a failure occurs in the functional device 17, the lower control device 12 receives this information (501) and analyzes the functional device 17 in which the failure occurred and the details of the failure (step 502). .

As a result of the determination, if it is recoverable, it performs alarm processing and recovery (503), reports the alarm generation and recovery result to the upper control device 11 (504), and the higher control device 11 uses the received information. The alert is recognized and the database is updated (505).

If it is determined that it is impossible to recover, the lower control device 12 transmits the alarm content to the related function device 17 (506), and reports the alarm occurrence and outstanding content to the higher control device 11 (507). .

The upper control device 11 receives the lower control device 12 information, recognizes the alarm alarm occurrence, updates the outstanding content processing and the database 508, and transmits the processed alarm occurrence information to the lower control device 12. (509).

8 is a flowchart illustrating an operation when signal information is generated according to the present invention.

Since the signal information has a call processing function in the upper control device 11, this information is transferred from the lower control device 12 directly to the upper control device 11, and the result is passed through the lower control device 12 to each other. Delivered to functional device 17.

When the signal generation information is transmitted from the functional device 17 to the lower control device 12 (601), the lower control device 12 directly transfers it to the upper control device 11 (602).

The upper control device 11 processes the received signal information (603) and transmits a response signal to the lower control device 12 (604).

The lower control device 12 transmits the received response signal to the functional device 17 (605) to complete the signal processing operation.

9 is a flowchart illustrating an operation of generating an OAM signal according to the present invention.

When the lower control apparatus 12 receives the OAM information (701), it analyzes the received OAM information to determine whether it is the end OAM information (702).

If it is the end OAM information, the lower control device 12 processes the OAM information for real-time control and informs the result of processing by the functional device 17 (703), and reports the OAM information generation and processing result to the upper control device 11. (704).

The higher control device 11 updates the OAM processing information using the result received from the lower control device 12 (705).

If the received OAM information is not end OAM information, the lower control device 12 transmits the response OAM information to the functional device 17 (706), and reports the OAM information processing and the response OAM information transmission to the upper control device 11. In operation 707, the upper control apparatus 11 updates the OAM processing information using the result received from the lower control apparatus 12 (708).

According to the present invention operating as described above, the information that requires real-time processing and the information that does not need real-time processing are separated, and the information requiring real-time processing is processed by the lower control device 12, and only the report is performed by the upper control device 11. If the real time processing is not required, the information is transferred directly from the lower control device 12 to the upper control device 11, the information is processed by the upper control device 11, and then the lower control device 12 is used. Real-time processing is possible by transferring control information, and each function device has a channel for each, so that an event can be buffered when an event occurs, and a message is transmitted between the upper control device 11 and the lower control device 12. Since we have 64 channels, it is effective to buffer this number of messages.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited.

Claims (6)

The control device is divided into an upper control device 11 and a lower control device 12, and the lower control device 12 includes an input / output (I / O) bus 13, an alarm monitoring bus 14, and a hernia. In the information message real-time processing method applied to the centralized broadband network termination device (B-NT) connected to the plurality of functional devices 17 via the supervisor bus 15, the signal OAM supervisor bus 16, the sub-controller ( 12) analyzes the state information input from the functional device 17, transmits a corresponding initialization command to each functional device 17, synchronizes with the upper control device 11, and then initializes the information and the system state. After performing initialization by transmitting the information to the upper control device, the lower control device 12 analyzes an event type when an occurrence of an event is received. In the first step (100 to 300): In the first step (100 to 300) If the event type is boat removal information, save the state change for real-time processing. A second step 400 of changing a system state by transmitting a state change command to a functional device and notifying the upper control device 11 of a system state change: in the first step 100 to 300, the event type is alarm information. In order to perform real-time processing, the lower control device 12 analyzes the function device and the contents of the failure and takes action according to the alarm information to the malfunctioning function device or all the function devices, and then the failure occurs to the upper control device 11. The third step 500 of changing the alarm occurrence information by reporting the content and the result of the action: If the event type is signal information in the first step 100 to 300, the lower control device 12 moves to the upper control device 11. This, the higher control device 11 processes the received signal information, and transmits a response signal to the functional device 17 through the lower control device 12: and the first step Event species from 100 to 300 If the class is OAM information, the lower control device 12 reads the OAM information, takes the corresponding action, informs the function device 17 of the result, and informs the upper control device 11 of the OAM information generation and processing result. A fifth step (700) of generating the processing information: Real-time information message processing method in a centralized broadband network termination device (B-NT) comprising a. The method of claim 1, wherein the initialization process of the first step (100 to 300), when power is applied to the system, the lower control device 12 receives the state information of each functional device 17 to receive this state information. After the analysis, the corresponding initialization command is transmitted to each functional device 17, and the lower control device 12 synchronizes with the upper control device 11 for DPRAM 21 communication, and then the initialization information and system state. Transmitting the information to the higher level control device (! 1), and the higher level control device 11 stores the system shape information using the initialization information input from the lower control device 12, and operates the system (101 to 107). Information message real-time processing method in a centralized broadband network termination device (B-NT) characterized in that it comprises a. 4. The method of claim 3, wherein the second step 400, when a board detachment event occurs, the lower control device 12 receives this information from the functional device 17, processes the state change, stores it, and then detaches it. Sends a state change command to another functional device associated with the information source visual device, notifies the upper control device 11 that the state of the system has changed, and receives the information, the upper control device 11 changes the system state. Real-time information message processing in a converged broadband network termination device (B-NT), characterized in that it comprises the steps (401 to 405). According to claim 1, Wherein the third step 500, if a failure occurs in the functional device 17, the lower control device 12 receives this information to analyze the functional device 17 and the failure details of the failure occurs 6th step (501, 502) to determine whether it is possible to recover: If the self recoverable in the sixth step (501, 502) performs an alarm processing and recovery, and generates and recovers an alarm to the upper control device (11) Report the result, and the upper control device 11 recognizes the alarm occurrence using the received information, and updates the database in the seventh step (503 to 505): and the sixth step (501, 502) If it is impossible to recover, the lower control device 12 transmits the alarm contents to the relevant function device 17, reports the alarm occurrence and open contents to the upper control device 11, and the upper control device 11 controls the lower control. Receives the information of the device 12 to recognize the alarm occurrence, open content Update the database and the database, and the lower control device 12 includes eighth steps 506 to 510 for performing alarm processing and recovery by using the alarm processing information received from the upper control device 11. Real-time information message processing method in a centralized broadband network termination device (B-NT). The method of claim 1, wherein the fourth step 600, if the signal generation information is transmitted from the functional device 17 to the lower control device 912, the lower control device 12 transfers it directly to the upper control device 11 The upper control device 11 processes the received signal information to transmit a response signal to the lower control device 12, and the lower control device 12 transmits the received response signal to the function device 17. Real-time information message processing in a converged broadband network termination device (B-NT), comprising steps (601 to 605). The method of claim 5, wherein the fifth step 700, when the lower control device 12 receives the OAM information, determines the end OAM information by analyzing the received OAM information. In the sixth step (701, 702), if the terminal OAM information, the lower control device 12 processes the OAM information for real-time control and informs the processing result to the functional device 17, the upper control device 11 to the OAM information The generation and processing results are reported, and the upper control device 11 uses the results received from the lower control device 12 to transmit the OAM processing information to the seventh interval 703 to 705: and the sixth steps 701 and 702. If the OAM information received from the) is not end OAM information, the lower control device 12 transmits the response OAM information to the functional device 17, and reports the OAM information processing and the response OAM information transmission to the upper control device 11. The upper control unit 11 uses the result received from the lower control unit 12 to process the OAM. 8 and updating the information-intensive wideband network termination device real-time information, message processing method in (B-NT), characterized in that it comprises a (706 to 708).