KR100258240B1 - No7 network management distributed control method - Google Patents

Abstract

PURPOSE: A method is provided to allow a plurality of Number-7(No.7) devices to manage and control a network based on S7MG(signaling No.7 ST group management), by allowing the No.7 devices and the S7MG in a plurality of access switching subsystems to be distributed for separate management. CONSTITUTION: A No.7 network management part in a certain access switching subsystem is operated. Simultaneously, a No.7 network management part in another access switching subsystem is operated, which is consisted of an inner processor communication and a physical distributed structure. An error is occurred in the No.7 network management part in the certain access switching subsystem. Upon the occurrence of the error, the No.7 network management part in the access switching subsystem is operated in lieu of the error part to allow No.7 signaling between stations. By the distributed network control, the No.7 signaling is performed.

Description

No.7 Network Management Distributed Control Method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a full electronic telephone exchange, and in particular, a plurality of NO.7 devices and network management blocks, respectively, in a plurality of access switching subsystems (abbreviated as ASS). (Signalling No. 7 ST Group Management: hereinafter abbreviated as S7MG) The present invention relates to a distributed control method of NO. 7 network management that enables network management and control after distribution.

In general, an electrical exchanger includes an ASS and an Interconnection Network Subsystem (hereinafter referred to as INS) and a Central Control Subsystem (hereinafter referred to as CCS).

ASS is equipped with subscriber and relay signal service matching (Local Service Interface), time switch, Frame Relay Handler, optical subscriber access device, various signaling devices, packet handler, etc. It performs its own operation and maintenance function, and if necessary, it has a horizontally distributed structure as it increases in units of ASS.

INS connects between ASS, or between ASS and CCS, and performs the function of generating and distributing system clocks by providing number translation, route control, space switch network control and network synchronizer. Fiber between INS and ASS It is connected to an external subscriber using a link or data link.

CCS is a device that performs overall operation and maintenance of the system, and performs network management, test and measurement, billing statistics, I / O device control, and dialogue with other systems.

As described above, in an electronic switch having ASS, INS, and CCS, each block having an IPC path between ASS and INS is composed of cross redundancy, so that when one problem occurs, internal processor communication (Inter Processor) Communication (hereinafter abbreviated as IPC) is a device that provides a route.

S7MG is used to network manage multiple NO.7 devices in the ASS, and this S7MG can be distributedly controlled through IPC communication with S7MG in another ASS.

Here, S7MG is not distributed only to a plurality of ASS blocks, but may exist in INS blocks and CCS blocks.

Conventionally, the NO.7 network management block exists only in the dedicated protocol ASS for NO.7, and many NO.7 devices exist only in the dedicated protocol ASS for NO.7. ), There was a problem that the whole system does not work.

SUMMARY OF THE INVENTION The present invention has been made to solve this problem, and its object is to distribute and manage a plurality of NO.7 devices and S7MGs in a plurality of access exchange subsystems, respectively, and thus, a plurality of distributed NO.7 devices. Provides NO.7 network management decentralized control method which enables network management and control by S7MG.

The present invention for achieving this object relates to a NO.7 network management distributed control method comprising the steps of: operating the NO.7 network management block in any access exchange system; Operating a network management block in another access switching subsystem, wherein the network management block is operated at the same time and is composed of inter-processor communication and is physically distributed; Generating an error in the NO.7 network management block in any access exchange system; If an error occurs in the NO.7 network management block, replacing the network management block in another access exchange subsystem that is physically connected to perform inter-NO.7 signaling; And NO.7 signaling can be continuously performed by distributed control of the NO.7 network management block.

1 is an overall block diagram of a method for distributed control of network management according to the present invention;

Figure 2 is a detailed flow chart of the present invention for the NO.7 network management distributed control method.

<Description of the symbols for the main parts of the drawings>

1,2: ASS 10,50: NO.7 device controller

20,60: SMH_TP 30,70: S7MG

40a to 40n, 80a to 80n: NO.7 device

Hereinafter, the objects and features of the present invention will be described in more detail with reference to the accompanying drawings so that the objects and features of the present invention can be more clearly understood.

1 is a block diagram of a method for distributed control of network management according to the present invention, wherein the ASS (1) (2), the NO.7 device controller unit 10 (50), and signaling message handling are performed. (Hereinafter abbreviated as SMH) Telephony Processor (hereinafter abbreviated as TP) 20, 60 and Signaling NO.7 ST Group Management: abbreviated as S7MG 30 and 70, and N NO.7 devices 40a to 40n and 80a to 80n.

The ASS (1) (2) includes subscriber and relay signal service matching (Local Service Interface), time switch, frame relay handler, optical subscriber access device, various signaling devices, packet handler, and the like. Most call processing functions and self-operation and maintenance functions are performed, and if necessary, the system is horizontally distributed as it is increased in units of ASS. Internally, N NO.7 devices (40a to 40n, 80a to 80n) are used. ) And S7MG (30, 70), respectively.

INS (3) is the function of generating and distributing the system clock between the ASS mutually or between a number of ASS (1,2) and the CCS, with number translation, route control, space switch network control and network device In this case, the INS and the ASS include an interconnection network processor that connects to an external subscriber using a fiber link or a data link, and performs discovery and management with a call using a space switch internally. In addition, S7MG (30, 70) also includes a distributed structure to perform network management.

CCS is a subsystem that performs overall operation and maintenance of the system, and performs network management, test and measurement, billing statistics, I / O device control, and dialogue with other systems.

As described above, in an electronic switch having an ASS and an INS and a CCS, a plurality of ASSs are connected by a single INS and a data link, and the plurality of ASSs are subsystems for data transmission with the CCS through the INS, in particular, In each ASS, the NO.7 device controller unit 10 (50), SMH_TP (20) 60, N NO.7 devices (40a-40n, 80a-80n), S7MG (30) (70). ).

The NO.7 device controller units 10 and 50 manage the N NO.7 devices 40a to 40n and 80a to 80n through the L-bus.

In addition, the NO.7 device controller unit 10 (50) communicates with the SMH_TP (20) 60 mounted on the TP via the HIT bus.

Here, the HIT-bus is a communication path in the form of a high data link control having a speed of up to 2 Mbps. When the NO.7 device controller unit 10 or 50 receives 32 signal terminals, it is 2 Mbps. This bus requires bandwidth.

In addition, the L-bus is multiplexed with 16-bit address and 16-bit data to output an address for a predetermined time, and then outputs data. There are 24 device selection signals independently, which can be used up to 64Kbps in one device. L-bus is also redundant because the L-bus controller of the chip dedicated to the L-bus is used and the NO.7 device controllers 10 and 50 are configured in redundancy. This bus is used as a communication path between the three.

The N NO.7 devices 40a to 40n and 80a to 80n are signal terminals that handle the layer 2 protocol of NO.7 and provide control from the NO.7 device controller units 10 and 50 via the L-bus. Receive.

The SMH_TP (20) 60 is mounted in the TP, and is a NO.7 device controller that manages S7MG (30) 70, which is a signal network management block, and N NO.7 devices (40a-40n, 80a-80n). It is responsible for the interface with the unit 10, 50, and performs a part of the SCCP (Signaling Connection Control Part: abbreviated as SCCP) function.

S7MG (30) 70 is a NO.7 signaling network management block mounted on the main processor, and is responsible for the message transfer part of the NO.7 protocol and the SCCP function, Direct processing or signal network management, and when the network management is distributed, a main main processor goes down and another main processor proceeds to perform NO.7 signaling with physically connected power stations in case of failure. It will take over and continue to perform.

The SMH_TP (20) 60 and the S7MG (30) 70 each block having internal processor communication (hereinafter referred to as IPC) is composed of cross redundancy. When a problem occurs, the other side provides the IPC path so that the network can be managed normally.

The overall block diagram of the NO.7 network management distributed control method according to the present invention configured as described above has been described, and FIG. 2 illustrates a detailed flowchart of the present invention for the NO.7 network management distributed control method.

First, in the access exchange subsystem (ASS) 1 (2), in particular the network management blocks (S7MG) 30, 70 and SMH_TP (20) 60, each IPC in each access exchange system It will be described in a state that is configured to communicate.

A network management block in an arbitrary access exchange system operates (step 200) and is simultaneously configured in a mutual IPC and physically connected, and in a distributed structure, a network management block in another access switching subsystem operates (step 201).

If an error occurs in the network management block in any access switching system while operating as described above (step 202), the network management block in another access switching subsystem that is physically connected to perform NO.7 signaling between the stations is replaced. It operates (step 203).

NO.7 signaling is continuously performed by the distributed control of the network management block S7MG (step 204).

In conclusion, N NO.7 devices and S7MG are distributed in each ASS so that NO.7 signaling can be continuously performed even in down of specific N NO.7 devices or down of the main processor. .

As described above, the present invention described above can control the N NO.7 devices distributed in the ASS system and the network management block (S7MG) for controlling the N NO.7 devices. Network management can be performed by distributing N NO.7 devices and S7MG in each ASS so that NO.7 signaling can be continuously performed even when the NO.7 device is down or the main processor is down. It works.

Claims (1)

In the NO.7 network management distributed control method having any connection exchange subsystem and internal processor communication, Operating a NO.7 network management block in the random access exchange system; Operating the network management block in another access exchange subsystem, wherein the NO.7 network management block operates simultaneously with the internal processor communication, and is configured in a physically distributed structure; Generating an error in the NO.7 network management block in the random access exchange system; If an error occurs in the NO.7 network management block, replacing the network management block in another access exchange subsystem that is physically connected to perform NO.7 signaling between powers; And NO.7 signaling can be continuously performed by distributed control of the NO.7 network management block.

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