KR20010056287A - Method for implementing high-leveled system of V5 interface in access network - Google Patents

Abstract

PURPOSE: A method for embodying an upper-level system of a V5 interface in an access network is provided to configure an upper-level V5 interface required to embody a protocol stack associated module, composed of LAPV5-EF, LAPV5-DL, CTRL(Control), BCC(Bearer Channel Connection), PTCN(Protection), LKCT(Link Control), LKCT-FSM(Finite State Machine), SM(V5.1 System Management), SM2(V5.2 System Management), SPORT-FSM(V5.1 Link Status FSM), S2PORT-FSM(V5.2 Link Status FSM), PPORT-FSM(PSTN Port Status FSM), BRPORT-FSM(ISDN Basic Rate Port Status FSM), etc., and a system resource module, composed of operation and management interfacing, configuration management and fault management, in an access network. CONSTITUTION: Control associated tasks(301) execute a board driver function. A user port associated task(302) for a layer-1 executes a PPORT-FSM function, a BRPORT-FSM function, and a PRPORT-FSM function. A service port FSM associated task(303) for the layer-1 executes a SPORT-FSM function and an S2PORT-FSM function. A task(304) executes an LAPV5-EF. A task(305) executes an LAPV5-DL function. A task(306) executes a PSTN signaling protocol function and a CTRL protocol function. A task(307) executes a BCC protocol function, a PTCN protocol function, an LKCT protocol function. An L4 task(308) executes a V5.1 system management function. An L42 task(309) covers V5.2 system management, BCC resource management, and the transmitting and receiving of V5.2 internal messages. A task(310) executes an agent interface function for V5 provision, configuration and faults.

Description

How to implement high-leveled system of V5 interface in access network

The present invention relates to a high level system implementation method of the V5 interface, and in particular, LAPV5-EF, LAPV5-DL, PSTN, CTRL (Control), BCC, PTCN (Protection), LKCT (Link Control), LKCT-FSM (Link Control Finite State Machine, SM (V5.1 System Management), SM2 (V5.2 System Management), SPORT-FSM (V5.1 Link Status FSM), S2PORT-FSM (V5.2 Link Status FSM), PPORT- Implement a protocol stack related module consisting of PSTN Port Status FSM (FSM) and BRPORT-ISDN Basic Rate Port Status FSM (FSM) and a system resource module consisting of operation management matching, configuration management, and fault management in the access network. In order to implement the required V5 system.

In a conventional access network, a method for implementing a higher level system of the V5 interface is a switch related interface configuration method, and there is no method for implementing a higher level V5 interface in the access network yet.

The present invention has been made to solve the problems of the prior art, LAPV5-EF, LAPV5-DL, PSTN, CTRL (Control), BCC, PTCN (Protection), LKCT (Link Control), LKCT in the access network -Link Control Finite State Machine (FSM), V5.1 System Management (SM), V5.2 System Management (SM2), SPORT-FSM (V5.1 Link Status FSM), S2PORT-FSM (V5.2 Link Status FSM ), The network stack related modules consisting of PSTNPort Status FSM (PPORT-FSM) and ISDN Basic Rate Port Status FSM (BRPORT-FSM), and system resource modules consisting of management management matching, configuration management, and fault management. Its purpose is to provide a high-level V5 interface configuration method required to be implemented in.

1 is a configuration diagram of a V5 protocol stack related module and supporting module to which the present invention is applied;

2 is a block diagram of an H / W device and an S / W device for realizing a V5 system in an access network according to an embodiment of the present invention.

FIG. 3 is a task diagram illustrating a V5 protocol stack related module and a supporting module in a S / W block for realizing a V5 system in an access network.

FIG. 4 is a diagram illustrating a message header for mutual communication between a V5 protocol stack related module and a supporting module in a S / W block for realizing a V5 system in an access network according to an embodiment of the present invention.

5A to 5D are module structure diagrams of a V5 protocol stack related module and a supporting module in an S / W block for realizing a V5 system in an access network according to an embodiment of the present invention.

According to the present invention for achieving the object as described above, the task configuration for the V5 protocol stack-related modules and supporting modules in the software block for realizing the V5 system in the access network, the module structure diagram and the message header for inter-module communication Provided is a method for implementing a V5 interface high level system in an access network.

In the following, with reference to the accompanying drawings, a preferred embodiment according to the present invention will be described in detail.

1 is a configuration diagram of a V5 protocol stack related module and a supporting module to which the present invention is applied and shows a functional structure of a V5 interface.

The V5 functional architecture is based on the Layer 1 FSM capabilities of the user and service ports, the LAPV5 Layer 2 functionality, and the Layer 3 functionality of the PSTN signaling protocol, protection protocol, BCC protocol, control protocol, and link control protocol, and the V5 system. It consists of functions of the application layer of management.

The PSTN User Port, ISDN BA User Port, ISDN PA User Port, and V5 Service Port functional blocks in the functional structure mean physical ports for subscriber and service nodes connected to the access network, and are not included in the functional structure of V5. The LAPV5 function block includes the frame relay (FR) function of the LAPV5-DL, LAPV5-EF, and ISDN D-channels, and a corresponding function between these functions. In addition, LAPV5-EF sublayer functions that perform bit stuffing and de-stamping functions for LAPV5-DL frames, ISDN D / F / Ds frames, and FCS check and generation are replaced with functions handled by HDLC controllers. It is not included in the functional structure of V5. This will be described in more detail as follows.

The LAPV5 protocol module 101, 102 provides EF address checking and LAPV5-DL or ISDN FR functions in addition to bit stuffing and de-stamping functions for LAPV5-DL frames, ISDN D / F / Ds frames, and FCS check and generation. LAPV5-EF sublayer that functions as an interface to the LAPV5-DL sublayer that establishes a data link for reliable transmission of protocol (PSTN, control, etc.) information and performs control functions to detect abnormal conditions It consists of.

The CTRL (Control) protocol module 103 performs a user port control function such as blocking and unblocking a user port, and an information transfer function related to an interface identifier and a common control function such as identification or reprovision of a variant.

The PSTN signaling protocol module 104 performs a control related information transfer function for a telephone service call via an access network.

The bearer channel connection (BCC) protocol module 105 performs on-demand information transfer of a bearer channel between a user port and a service port for aggregation of a V5.2 service call.

The bearer channel connection resource management (BCC-RM) module 106 performs resource management functions such as allocation and release of connection resources in order to perform the BCC protocol.

The Link Control protocol module (107, 108) provides the ability to identify V5.2 E1 links in order to confirm the correspondence between the access network and the exchange-period signaling links and the blocking of V5.2 E1 links that occur in operation. Perform information transfer to support unblocking. To this end, it consists of two sub-modules: Link Control FSM (LKCT-FSM) and Link Control Protocol (LKCT).

The PTCN (Protection) protocol module 109 performs a transfer related information transfer function to operate a reliable physical C channel of the V5.2 signal link.

The system management modules 110 and 111 request management of user ports and service ports, initialization of provisioning data, and setting up data links for overall management of the V5 system, and system management (SM) for the V5.1 interface. And two sub-modules of system management (SM2) for the V5.2 interface.

Agent adapter (AGT) module 112 performs provisioning, configuration and failure matching functions of the V5 (12).

PPORT-FSM (PSTN Port Status FSM, 113), BRPORT-FSM (ISDN Basic Rate Port Status FSM, 114), PRPORT-FSM (ISDN Primary Rate Port Status FSM, 115), SPORT-FSM (V5.1 Link Status FSM 116), S2PORT-FSM (V5.2 Link Status FSM, 117) are modules that manage the status FSM for PSTN port, ISDN BRI and PRI ports, and V5.1 and V5.2 E1 links, respectively.

2 is a configuration diagram of an H / W device and an S / W device for realizing a V5 system in an access network according to an embodiment of the present invention.

S / W device consists of mainV5 block 201 composed of V5 protocol stack related module and system resource module composed of operation management matching, configuration management and fault management, and NOM block dedicated to operation and management of MAIN system. And the remaining blocks are included in the H / W device 211.

The CU block 202 of the H / W device converts a voice or analog signal of 300 Hz to 3400 Hz into a digital signal or performs the reverse process, and the LIE block 203 receives a signal received from a PSTN or an ISDN-BRI card. Is converted into an E1 frame form and generated as an AAL-1 type ATM cell to perform constant bit rate service, or the reverse process, the LIF block 204 between the MAIN-OLT and MAIN-ONU The ATM cell is transmitted and received through the STM-4c interface, and the LIC block 210 performs a subscriber side board function of connecting the MAIN-OLT to a service node such as a B-ISDN exchange.

In addition, the MXS block 209 performs a multiplexing function between the switching block (MSW) of the cross connection and the LIC block, the MSW block 208 performs a switching cell based switching function to support the cross connection, and the LIB block 207 performs a service node side board function for connecting the MAIN-OLT to a service node such as a B-ISDN switch, and the MXL block 206 performs a function of matching an E1 signal and an ATM cell signal, and a LIL block ( 205) connects the MAIN-OLT to the PSTN or N-ISDN exchange.

FIG. 3 is a task diagram illustrating a V5 protocol stack related module and a supporting module in a S / W block for realizing a V5 system in an access network.

These tasks include control-related tasks 301 that perform board driver functions, PSTN Port Status FSM (PPORT-FSM), ISDN Basic Rate Port Status FSM (BRPORT-FSM), and ISDN Primary Rate Port Status FSM (PRPORT-FSM). User port-related tasks 302 for Layer 1, which perform), and services for Layer 1, which perform V5.1 Link Status FSM (SPORT-FSM) and V5.2 Link Status FSM (S2PORT-FSM) functions. Performs functions of port FSM related task 303, task 304 performing LAPV5-EF function, task 305 performing LAPV5-DL function, PSTN signaling protocol and CTRL (Control) protocol. Task 306 to perform the functions of the BCC (Bearer Channel Connection) protocol, Link Control protocol, and PTCN (Protection) protocol, and L4 to perform the V5.1 system management function. Task 308, V5.2 system management, BCC resource management, and V5.2 internal message transmission and reception. Being consists of L42 task 309, a task to perform, such as agents for the matching function of the V5 provisioning, configuration, and fault 310.

Meanwhile, in the case of the L42 task 309, when a message is transmitted to one of its own modules during the processing of a message received from another module, the L42 task 309 sends a message to the queue assigned to the own task. The L2-DL task 304 uses only one common queue for various LAPV5-DL users (PSTN signaling protocols, control protocols, BCC protocols, link control protocols, and protection protocols). It reflects the process of creating an internal message to discard only the messages of the message and sending it to its own queue.

FIG. 4 is a diagram illustrating a message header for mutual communication between a V5 protocol stack related module and a supporting module in a S / W block for realizing a V5 system in an access network according to an embodiment of the present invention. And an indication number, a user data length, a message identifier, a receiving module identifier, a receiving node identifier, a transmitting module identifier, and a transmitting node identifier.

This message header is a header structure commonly used for communication in the mainV5 block or communication between the mainV5 block and other blocks. In the communication inside the mainV5 block, the transmitting node identifier is not used and the indication number is used to communicate with the NOM block. A type of transaction identifier used. The user data length is set from 0 to 360 in consideration of the size of the V5 provisioning information.

5A to 5D are module structure diagrams of a V5 protocol stack related module and a supporting module in an S / W block for implementing a V5 system in an access network according to an embodiment of the present invention.

FIG. 5A shows a module in which LAPV5-EF, LKCT-FSM, BCC-RM, SM, SPORT-FSM, S2PORT-FSM, PPORT-FSM, and BRPORT-FSM modules each include a controller unit 501 and an encoder unit 502. 5B shows a module structure in which the LAPV5-DL, PSTN, CTRL, BCC, PTCN, and LKCT modules are composed of a controller unit 503, an encoder unit 504, and an interpreter unit 505, respectively, and FIG. 5C. The SM2 module includes a controller unit 506, an encoder unit 518, an internal controller unit 507, an internal encoder unit 519, a quick alignment unit 508, a DL failure unit 509, and an L2 activation unit 510. , Link confirmation unit 511, re-provisioning unit 512, restart unit 513, start-up unit 517, PPORT management unit 515, BRPORT management unit 514, SPORT management unit 516 5D shows that the agent matching module includes a controller unit 520, an encoder unit 523, a failure management controller unit 521, The module structure constituted by the failure management encoder unit 524, the configuration management controller and the encoder unit 522 is shown.

The detailed description of each unit is as follows.

The controller units 501, 503, 506, 520 are responsible for the overall logic of the module operation and call up the necessary units.

The interpreter unit 505 interprets messages received from other modules and checks for errors.

The encoder unit 504 encodes according to a mutually defined message structure for sending a message to another module.

The internal controller unit 507 confirms a message transmitted and received between internal units of the SM2 module and calls a related process.

The internal encoder unit 519 encodes according to a mutually defined message structure for transmitting a message to an internal unit of the SM2 module.

The quick sort unit 508 performs a quick sort on the user port.

The DL failure unit 509 performs setting of a corresponding data link when a data link fails during system operation.

The L2 activation unit 510 performs setting of a corresponding data link during interface startup.

The link confirmation unit 511 performs identification on the corresponding E1 link. The reprovisioning unit 512 performs reprovisioning, and the restarting unit 513 performs restarting for PSTN ports.

The PPORT management unit 515 performs management on PSTN ports, the BRPORT management unit 514 performs management on ISDN-BR ports, and the S2PORT management unit 516 performs a V5.2 E1. Perform management of links.

The fault management controller unit 521 is responsible for the overall logic of the submodule operation in the fault management submodule, and calls the fault management encoder unit 524.

The failure management encoder unit 524 encodes according to a mutually defined message structure in order to transmit a message from the failure management submodule to the operation management block of the system.

The configuration management controller and encoder unit 522 is responsible for the overall logic and encoding of submodule operations in the configuration management submodule.

The present invention as described above is recorded on a computer-readable recording medium, and can be processed by a computer.

As described in detail above, the present invention relates to LAPV5-EF, LAPV5-DL, PSTN, CTRL (Control), BCC, PTCN (Protection), LKCT (Link Control), LKCT-FSM (Link Control Finite State Machine), V5.1 System Management (SM), V5.2 System Management (SM2), SPORT-FSM (V5.1 Link Status FSM), S2PORT-FSM (V5.2 Link Status FSM), PPORT-FSM (PSTN Port Status FSM Protocol stack related modules composed of ISDN Basic Rate Port Status FSM (BRPORT-FSM) and system resource modules composed of operation management matching, configuration management, and fault management. It provides a technical effect on how the V5 interface is configured.

The technical spirit of the present invention has been described above with reference to the accompanying drawings, but this is by way of example only and not by way of limitation to the present invention. In addition, it is obvious that any person with ordinary skill in the art may make various modifications and imitations without departing from the scope of the technical idea of the present invention.

Claims (3)

The upper level of the V5 interface in the access network, which consists of a task structure for the V5 protocol stack related modules and supporting modules in the software block for realizing the V5 system in the access network, and a module structure diagram and a message header structure for inter-module communication. How to implement the system. The method of claim 1, The task, User port related tasks for Layer 1 performing PSTN Port Status FSM (PPORT-FSM), ISDN Basic Rate Port Status FSM (BRPORT-FSM), and ISDN Primary Rate Port Status FSM (PRPORT-FSM) functions; Tasks related to service port FSM for layer 1 performing SPORT-FSM (V5.1 Link Status FSM) and S2PORT-FSM (V5.2 Link Status FSM) functions; Tasks to perform LAPV5-EF functions; Tasks for performing the functions of LAPV5-DL; Tasks for performing functions of the PSTN signaling protocol and the CTRL (Control) protocol; Tasks that perform the functions of a Bearer Channel Connection (BCC) protocol, a Link Control protocol, and a PTCN (Protection) protocol; L4 tasks that perform V5.1 system administration functions; L42 tasks responsible for V5.2 system management, BCC resource management, and V5.2 internal message transmission and reception; And A method of implementing a high-level system of a V5 interface in an access network, comprising tasks for performing provisioning, configuration, and agent matching functions for failures. The method of claim 1, The message header for the intercommunication between the V5 protocol stack related modules and supporting modules in the S / W block for realizing the V5 system in the access network, A method of implementing a high level system of a V5 interface in an access network, wherein each related module is commonly used for internal and external communication.