KR100224312B1 - Service Processing Method in Subscriber Network Access Subsystem of ACPS - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a service processing method in subscriber network matching device of large capacity communication processing system.

2. The technical problem to be solved by the invention

The present invention transmits the user's information to the network component, delivers the information received from the network components to the user, performs the subscriber network matching function, network management device for information such as billing, shape, failure, security, etc. To provide a service handling method delivered to

3. Summary of Solution to Invention

The present invention is a service processing method applied to a subscriber network matching device of a large capacity communication processing system, after initializing hardware, outputting a system logo on a screen, initializing global variables, and generating a system prompt. Initialize variable data and memory, divide memory, data processing module (DPA) communication function, network management unit (OAM) related service function, network matching module (NIA) signal processing function, high speed network matching device (HSNA) communication function It initializes and creates a service processing module (SPA) execution task to perform a subscriber data transmission service and services related to internal network management functions.

Description

Service Processing Method in Subscriber Network Interface Device of Mass Communication System [Service Processing Method in Subscriber Network Access Subsystem of ACPS]

The present invention relates to a service processing method in a subscriber network matching device (SNAS) of a large capacity communication processing system (ACPS).

A communication processing system (CPS) is a gateway device that connects a public communication network (PSTN) and a packet switched data network (PSDN) to connect a consumer and a supplier of information so that the necessary information can be easily relayed.

At the present time when data communication becomes more important than voice communication over telephone, information provider (IP) is accommodated in Packet Switched Data Network (PSDN), but consumers who need information are generally Since it is accommodated in a public switched telephone network (PSTN), there is a problem that it is difficult to communicate information between them, and important information is not available.

In order to solve the above problems, the present invention provides a new structure of a user connected to a subscriber network in an advanced communications processing system (ACPS), which is different from the conventional communications processing system (CPS). Send information to network components such as Data Information Providers (IP) and Operation Administration and Maintenance (OAM) connected to other networks, and send information received from the network components to users The purpose of the present invention is to provide a service processing method in a subscriber network matching device that performs a function of delivering, performs a subscriber network matching function, and transfers information such as billing, shape, failure, and security to the network management device (OAM). have.

1 is a block diagram of a mass communication processing system to which the present invention is applied.

2 is a block diagram of a subscriber network matching device to which the present invention is applied.

3 is an explanatory diagram of a communication related task and a signal with a DPA according to the present invention;

4 is an explanatory diagram of a task and a signal related to communication with NIA, OAM, and HSNA according to the present invention;

5 is an overall flowchart of an SPA service operation procedure according to the present invention;

6 is a detailed flowchart of an SPA board initialization operation procedure according to the present invention.

7 is a detailed flowchart of a DPA communication function operation procedure according to the present invention;

8 is a detailed flowchart of an OAM related service function operation procedure according to the present invention;

9 is a detailed flowchart of an NIA signal processing operation procedure according to the present invention.

10 is a detailed flowchart of an HSNA communication function operation procedure according to the present invention.

* Explanation of symbols for the main parts of the drawings

21: NIA 22: HSNA

23: SP 231: DPA

232: SPA

In order to achieve the above object, the present invention provides a service processing method applied to a subscriber network matching device of a large capacity communication processing system, after initializing hardware at system booting, outputting a system logo on a screen and initializing global variables. A first step of generating a prompt; A second step of initializing a time mailbox, a data processing module (DPA) reception queue and a network management apparatus (OAM) variable, initializing a local buffer, and initializing subscriber channel variables and protocol variables; A third step of initializing the SNAS board related variables, dividing a memory to be used when performing each service function, setting a timer, and initializing board shape related variables; A fourth step of initializing a data processing module (DPA) communication function, a network management device (OAM) related service function, a network matching module (NIA) signal processing function, and a high speed network matching device (HSNA) communication function; And a fifth step of switching to a state capable of providing a communication processing service, generating a service processing module (SPA) execution task, and performing a service related to a subscriber data transmission service and an internal network management function. .

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

1 is a block diagram of a mass communication processing system to which the present invention is applied.

The open mass communication processing system (ACPS) includes a public telecommunication network (PSTN) 11, an integrated telecommunication network (ISDN) 12, a packet switched data network (PSDN) 13, the Internet 14, and a frame relay network. Since it must accommodate various public networks such as (Frame Relay Network) 14, Asynchronous Transfer Mode (ATM) network 16, etc., it has a different structure from the conventional CPS, and has a universal network access interface function. This is necessary. A large capacity communication processing system (ACPS) should have a structure that can be easily expanded and reduced in order to provide service interworking between various networks. Network interworking scope is divided into subscriber side and information provider side. Currently, the network interworking with the subscriber side includes a public telecommunication network (PSTN) 11 and an integrated information network (ISDN) 12, and the network interworking with the information provider side includes a packet switched data network (PSDN) 13 and the Internet ( 14), frame relay network 15, asynchronous transfer mode (ATM) network 16 and the like.

The High Speed Switching Fabric (HSSF) subsystem 18 connects various types of network matching modules, service support modules, and communication processing modules constituting a large capacity communication processing system (ACPS) at high speed to each other. It provides the function of the internal high speed interworking network which is in charge of transporting traffic. A network matching device interworking with the subscriber side includes a Telephony Network Access Subsystem (TNAS) 111 and an INAS (ISDN Network Access Subsystem) 121. A network matching device interworking with an information provider side includes a PNAS (Packet Network Access Subsystem). 131, KNAS (KORNET Access Subsystem) 141, Frame Relay Network Access Subsystem (FNAS) 151, ATM Network Access Subsystem (ANAS) 161, and the like.

2 is a configuration diagram of a subscriber network matching device to which the present invention is applied, and a configuration diagram of a subscriber network matching device (SNAS) for providing various communication services of a large capacity communication processing system (ACPS) to a user connected to the subscriber network. to be.

A subscriber network matching device (SNAS) is a network interface assembly (NIA) module 21 for interfacing with a subscriber network and a high speed network adapter (HSNA) module for interfacing with a high speed switching architecture (HSSF) subsystem 18. (22), and a service processing module (SP) 23 for controlling these and processing services.

The service processing (SP) module 23 is responsible for service processing and control and data processing board assembly (DPA) 231 which processes functions such as subscriber modem speed determination, modem error detection, subscriber information transmission, reception, initialization, and self-diagnosis. The service processing board assembly (SPA) (232) is made up.

The SPA 232 interfaces with the HSNA 22 and the Main Processor System (MPS) bus. The SPA 232 serves as a bus requester / arbiter. The SPA 232 can also read / write 32/16 / 8-bit DTB slaves as DTB masters. The SPA 232 is an interrupt handler that handles interrupts of levels 1-7 required by the HSNA 22 via the MPS bus, and local interrupts of levels 6 and 7 required by the Multi-Function Peripheral (MFP) 1 and MFP2. Process. SPA 232 has two channels for data transmission with other redundant SPAs. The C channel is a bidirectional 8-bit parallel channel, and the D channel is a 32-bit parallel channel. The active SPA 232 can read / write the DRAM of the SPA that is waiting through the D channel. have. The SPA 232 has a fault monitoring input port and a hardware control output port. SPA 232 controls and monitors DPA 231, HSNA 22, and power alarms through the alarm port. The SPA 232 uses an InterProcessor Communications (IPC) dedicated communication processor for data communication with the DPA 231, and transmits data in an interrupt manner through a 1 M byte common memory. The processor for IPC communication communicates with three DPAs 231 through a serial communication bus, respectively.

3 is an explanatory diagram for a communication related task and a signal with a DPA according to the present invention.

The shape task 31 serves to remove the DPA reception control task 33 when a communication failure with the DPA 231 occurs.

The DPA Receive task 32 checks for DPA initialization, PM (Periodic Management) request check, X3 pad recall call, DCD status report, board alive check, data send, from the data send task on the DPA 231 board. It receives and processes signals such as interrupt transmission and reset transmission, and posts them to the DPA receive data queue and the DPA receive command queue according to the type of signals. The DPA receiving task 32 obtains a memory block to store data received from the instruction memory part, and generates a DPA reception control task when receiving the instruction signal.

The DPA reception control task 33 processes the signal by returning the DPA reception data queue and the DPA reception command control queue according to the type of signal, and returns the instruction memory part.

4 is an explanatory diagram of a task and a signal related to communication with NIA, OAM, and HSNA according to the present invention.

The OAM transfer task 41 is pending from the OAM transmit queue to transmit to the OAM and return the memory block.

The OAM emergency transmit task 42 is pending from the OAM emergency transmit queue to send to the OAM and return the memory block.

The NIA control task 43 performs NIA data (channel occupancy report, channel information transmission, trunk release report, NIA reset report), fault management (FM) data (failure report, fault status report), and PM data from the NIA 231. Receives signals such as event counter report, CPU load report), and CM (Configuration Management) data (blocking report, non-blocking report, service readiness report, signaling test report), acquires a memory block, stores the signal, and processes the processed signal Returns a block of memory.

Serial bus transfer task 44 holds the serial bus transfer queue to perform serial bus transfers and returns memory blocks.

The CM control task 45 holds the CM queue, obtains a block of memory, and accepts the start mailbox to start the service. The CM task creates an initial screen task and an informer table task and posts an informer table queue.

The FM control task 46 holds the FM cues and returns the memory blocks.

The PM control task 47 holds the PM queue and returns the memory block.

The Security Management (SM) control task 48 performs an SM service function by binding an SM queue.

Daemon task 49 posts a daemon mailbox and creates an input channel task 410.

The input channel task 410 holds the HSNA receive queue and acquires an HSNA memory part to perform data transfer with the HSNA 22. Input channel task 410 then posts the HSNA transmission queue and returns the HSNA memory part.

5 is an overall flowchart of an SPA service operation procedure according to the present invention.

The SPA communication module generates system resources such as tasks and queues for supporting communication between the SPA 232 and the DPA 231 and the HSNA 22 of the subscriber network matching device (SNAS), and is in charge of processing various services. .

First, hardware-related initialization is performed at system boot (51). After the hardware initialization, the system logo is displayed on the console screen (52), the global variables are initialized, and the system prompt (53) is generated (53).

In the SPA board initialization 54, the DPA communication function, the OAM related function, and the HSNA communication function supported by the SPA module are performed. Once the system initialization function is completed, the system switches to a state in which a full-fledged communication processing service can be provided (55), and generates a SPA execution task to start the service (56).

6 is a detailed flowchart of the SPA board initialization operation procedure according to the present invention, which is a detailed operation procedure of the SPA board initialization process 54 of FIG.

First, the time mailbox, the DPA reception queue, and the OAM variable are initialized (61), and the local buffer such as the PM event counter, the channel status report variable, the initial menu variable, the call prefix, and the like is initialized (62). Initialize the subscriber channel variable and the X3 protocol variable (63), and initialize the subscriber network matching device (SNAS) board related variables such as DPA, NIA, PNAS, and the like (64). The memory to be used when performing each service function is divided, a timer is set, and board shape related variables are initialized (65). Initialization of the DPA communication function 66, the OAM related service function 67, the NIA signal processing function 68, and the HSNA communication function 69 is performed.

7 is a detailed flowchart of a DPA communication function operation procedure according to the present invention, which is a detailed operation procedure of the DPA communication function initialization process 66 of FIG.

First, a dual port RAM (DPRAM) address, which is a common memory for IPC communication with a DPA, and a communication command flag of a DPA board are initialized (71), and a user defined interrupt service routine is registered (72). A task for controlling the DPA signal receiving task 73 and the DPA receiving command is generated 74. Initialize subscriber channel state variables, create a DPA receive data queue, and set an X3 pad parameter initial value (75). Set initial values of DPA related variables, execute signal command to initialize DPA (76), and check DPA status (77). If all three DPA boards managed by the SPA fail to initialize (78), the system resumes operation (79), and if any of the three DPAs operate, the operation procedure is terminated.

8 is a detailed flowchart of an OAM related service function operation procedure according to the present invention, which is a detailed operation procedure of the OAM related service function initialization process 67 of FIG.

First, event counter initial values such as an SPA-related event counter, a PNAS-related event counter, and a statistics counter are set (81). The OAM requests the OAM address, the subscriber network matching device (SNAS) address connected to the high speed switching architecture (HSSF) subsystem, the NIA configuration, the time loading, and the information provider loading table (82). The SPA restart and redundancy status is reported to the OAM (83), and the NIA shape related buffer is set to an initial value (84). Initialize the information provider table and information (85) and create an initial screen menu (86).

9 is a detailed flowchart of the NIA signal processing operation procedure according to the present invention, which is a detailed operation procedure of the NIA signal processing function initialization process 68 of FIG.

First, a transmission queue on the NIA interface is created (91), a transmission task on the NIA interface is generated (92), and a task for NIA control is generated (93). It processes 94 NIA messages such as occupancy of subscriber channel, channel information transfer, channel release, and the like. FM message processing function 95 to perform fault and statistics functions, PM message processing function 96 to perform event counters and CPU load measurement functions, blocking, non-blocking, service ready, NIA connection request, channel status Perform a CM message processing function 97 for performing such operations; Thereafter, the above NIA message processing process 94 is repeated.

10 is a detailed flowchart of the HSNA communication function operation procedure according to the present invention, which is a detailed operation procedure of the HSNA communication function initialization process 69 of FIG.

First, the routing table and the driver table are initialized (101). Initialize self information setup and driver resources (102) and generate a daemon process task (103). A task corresponding to each channel information is generated (104), and input call connection processing such as receiving a call request from a high speed switching structure (HSSF) interface, transmitting a call accept to a high speed switching structure (HSSF) interface, disconnecting, etc. ( 105). Data is transmitted to the PNAS through the connected call (106). When the transmission is completed, the channel is disconnected from the PNAS and the task is removed (107). Thereafter, the process is repeatedly performed from the task generation process 104 corresponding to the channel information.

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

The present invention as described above is a service processing method performed on an SPA module of a subscriber network matching device (SNAS) such as TNAS and INAS in a large capacity communication processing system (ACPS), which is executed in the SPA of a subscriber network matching device (SNAS). Information providers (IPs) through the Communication Processing System (CPS) provide useful information by providing the organization of resources such as tasks, queues and mailboxes for communication between tasks, and the operational procedures of the various functions provided by the SPA. It is possible to construct a system that can be easily delivered to those who need it, which will ultimately activate the information society.

Claims (7)

In the service processing method applied to subscriber network matching device of a large capacity communication processing system, A first step of initializing hardware at system booting, displaying a system logo on a screen, initializing global variables, and generating a system prompt; A second step of initializing a time mailbox, a data processing module (DPA) reception queue and a network management apparatus (OAM) variable, initializing a local buffer, and initializing subscriber channel variables and protocol variables; A third step of initializing the SNAS board related variables, dividing a memory to be used when performing each service function, setting a timer, and initializing board shape related variables; A fourth step of initializing a data processing module (DPA) communication function, a network management device (OAM) related service function, a network matching module (NIA) signal processing function, and a high speed network matching device (HSNA) communication function; And A fifth step of transitioning to a state in which a communication processing service can be provided, generating a service processing module (SPA) execution task, and performing a service related to a subscriber data transmission service and an internal network management function. Service processing method in subscriber network matching device comprising a. The method of claim 1, The local buffer of the second stage, And a periodic management (PM) event counter, a channel status report variable, an initial menu variable, and a call prefix. The method according to claim 1 or 2, The data processing module (DPA) communication function initialization process of the fourth step, Initializing a common memory address for internal processor communication (IPC) with a data processing module (DPA) and a communication instruction flag of the data processing module (DPA), and registering a user defined interrupt service routine; Generating a task for data processing module (DPA) signal receiving task and data processing module (DPA) receiving command control; Initializing a subscriber channel state variable, creating a data processing module (DPA) receive data queue and setting a pad parameter initial value; All data managed by the service processing module (SPA) by setting the initial value of the data processing module (DPA) related variables and executing signal instructions to initialize the data processing module (DPA) and then checking the data processing module (DPA) status. Determining whether the processing module DPA has failed to initialize; And If all fails, restarting the system operation, and if the operation is any one, ending the operation procedure. The method of claim 3, wherein The process of initializing a service function related to an OAM in the fourth step may include: After setting the event counter initial value, the network management unit (OAM) address, the subscriber network matching device (SNAS) address connected to the HSSF subsystem, the network matching module (NIA) configuration, time loading, and information provider loading. Requesting a table to a network management apparatus (OAM); Reporting a restart and duplication status of a service processing module (SPA) to the network management apparatus (OAM) and setting a network matching module (NIA) shape related buffer to an initial value; And And initializing the information provider table and the information and generating an initial screen menu. The method of claim 4, wherein The case counter, A service processing module (SPA) related event counter, a packet network access subsystem (PNAS) related event counter, characterized in that it comprises a statistics counter and the service processing method in a subscriber network matching device. The method of claim 4, wherein Initializing the network matching module (NIA) signal processing function of the fourth step, Generating a transmission queue and a transmission task on a network matching module (NIA) interface and generating a task for controlling the network matching module (NIA); Processing a network matching module (NIA) message such as occupancy of a subscriber channel, channel information transfer, and channel release; Processing a failure management (FM) message for performing failure and statistical functions, and processing a periodic management (PM) message for performing an event counter and a central processing unit (CPU) load measurement function; And And repeating the processing of the NIA message after processing a blocking, non-blocking, service preparation, NIA connection request, and a state management (CM) message for performing channel state. A service processing method in a subscriber network matching device, characterized in that. The method of claim 6, The high speed network matching device (HSNA) communication function initialization process of the fourth step, Initializing the routing table and the driver table, and generating a daemon process task after initializing self information setup and driver resources; Generating a task corresponding to each channel information, and performing input call connection processing such as receiving a call request from a high speed switching structure (HSSF) interface, transmitting a call accept to a high speed switching structure (HSSF) interface, and disconnecting; And Transmit data to packet network access subsystem (PNAS) through the connected call, and when the transmission is completed, release channel connection with the packet network access subsystem and remove the task, and then repeat the channel information task creation and call connection processing steps. Service processing method in a subscriber network matching device comprising the step of performing.