KR100301293B1 - A searching method of transmitting data for optical communication system - Google Patents

Abstract

The present invention relates to SDH155, which is a synchronous digital hierarchy (SDH) optical communication transmission device, and more particularly, to quickly retrieve information (Data) generated and transmitted from each network element or terminal device (NE) on a network, The present invention relates to a method of searching for easy identification by a user, wherein the centralized management device of the synchronous optical signal transmission apparatus searches for authorized information, and analyzes the authorized information to classify the name, name, and uniqueness of the depth 1. A first process of determining whether a number exists, a second process of determining whether a class, a name, and a unique number of depth 2 exist, extracting a target ID, and setting the depth to 3, and the depth set in the second process A third process of determining whether a class of X and Y exists, and determining whether a name and a unique number of the depth set in the second process are present, and the name A fourth process of searching for a corresponding table of unique numbers and extracting information, and a fifth process of returning to the third process after adding 1 to the current depth if it is determined whether there is a substructure of the depth according to the process. It is included and configured, so that even if the hardware configuration of the equipment is changed, the program can be easily modified and maintained, debugging is easy even in the event of a program failure, and the contents of the information table are modified. By itself, there is an effect that can be immediately applied to other optical communication products.

Description

Transmission information retrieval method of optical signal transmission equipment {A SEARCHING METHOD OF TRANSMITTING DATA FOR OPTICAL COMMUNICATION SYSTEM}

The present invention relates to SDH155, which is a synchronous digital hierarchy (SDH) optical communication transmission device, and more particularly, information (Data) generated and transmitted from each network element or a terminal device (NE) on a network. The present invention relates to a method of quickly searching for a search so that an operator or a user can easily check.

SDH155 synchronous data optical communication equipment used in the present invention is capable of communicating at a transmission speed of 155Mbps using one optical communication line, and when compared with a telephone subscriber line, telephone subscribers of up to about 1,900 lines can talk simultaneously. Corresponds to the capacity.

Therefore, a 36Mbps VC3 (Virtual Container 3) line has a capacity of three lines, a 2.048Mbps VC12 (Virtual Container 12) line has a capacity of 63 lines, and the remaining bits are used as an overhead. Therefore, one optical communication line can be used as VC3 class 3 line or VC12 class 63 line or VC3 class 1 line and VC12 class 42 line capacity or VC3 class 2 line and VC12 class 21 line.

In general, in the communication line operation method, two optical lines are used, one line is used for transmission, another line is used for reception, and a spare line may be secured as necessary.

In general, copper wires, which are used as telephone lines, are not only susceptible to moisture but also have a high risk of data distortion or loss due to induction of static electricity, while optical communication lines do not have such problems, and about 2,000 wires are used in one line. There is an advantage of being able to replace the capacity of the copper telephone communication line of the degree that the use is gradually increasing.

However, when an error occurs in one optical communication line or a terminal device NE, communication failure of many subscriber lines occurs at the same time, so the maintenance problem of the optical communication line has become one of very important things.

Hereinafter, a transmission data analysis method of an optical signal transmission device according to the related art will be described with reference to the accompanying drawings.

1 is a diagram illustrating a general connection state of an optical communication system, and FIG. 2 is a diagram illustrating a connection structure of a terminal device function unit according to an embodiment.

Referring to the accompanying drawings, the configuration of the synchronous digital optical communication transmission equipment, a linear connection mode in which a terminal device or a network element (NE) is arranged in a straight line in the form of a point-to-point connection ( 10) and the annular connection mode 20 of the ring connection type, which is connected in a circular manner, and the endless connection, and the linear connection mode 10 and the annular connection mode 20 are connected and managed by a local area network (LAN). And an EMS (Element Management System) 30, which is a central management system for controlling and controlling.

In the linear and annular connection modes 10 and 20, each network element (NE) has a different name depending on its position.

In one embodiment, the ends of the linear connection mode 10, i.e., the NEs located at both ends, are called terminal multiplexers (TM) 12 network elements (NEs), with the middle NEs being an add-drop multiplexer. It is called (ADM: Add Drop Multiplexor) 14.

In addition, each NE in a ring type connection mode 20 is called a ring multiplexer (RM) 23. Therefore, the TM 12, the ADM 14, and the RM 23 are all kinds of terminal devices or network elements NE of the optical communication signal transmission apparatus, and there are differences in the configuration and operation method depending on the installed position.

Each of the NEs 12, 14, and 23 is connected to an element management system (EMS) 30, which is a management system, through a local area network (LAN), and the EMS 30 is connected to each NE (12). By monitoring all operation information and alarm information generated in the communication system (14,23), it manages the normal operation status of the optical communication line and each NE (12,14,23), and for quick and accurate maintenance It consists of a computer that can check and control.

The EMS 30 checks the operation status of each NE 12, 14, 23, and satisfies the TN (Telecommunication Management Network) standard, which is an international standard communication standard. Managed Objects (MO) or Managed Object Instances (MOIs), which indicate information such as failure status, line status, channel status, etc., are sequentially gathered and managed by name binding (MIB). Information Base) is transmitted to the EMS 30 which is the central management system.

Referring to FIG. 2 attached above, at depth 1, an optical communication network SDH1551 (15) representing a system,

Depth 2, which is a network element NE of the system 10, sdhNE SystemTitle ID 25 indicating an installation location, a device name, etc.,

Depth 3, which represents the position of the Self Level function units of the system title ID 25, and stores an Optical SPI TTP that accumulates an alarm signal generated in an optical signal transmission part. (Trade Termination Point) (33), Regeneration Section TTP (32) for checking the occurrence of a failure in the overhead B1 code in the regenerator section of the received signal, electrical signal transmission Protocol for recording electrical SPI TTP 34 which accumulates alarm signals generated from the part, and network element 25 which is the system title, separately distinguishing states of working or standby. TTP (35), msTTP (Multiplex Section TTP) 31 for checking the occurrence of a failure in the Overhead B2 code in the multiplexing section of the received signal,

Depth 4, which, in one embodiment, belongs to the msTTP 31 and represents performance as a Card or Unit level, and the msTTP 31 is in working or Unprotected TTP (41) for distinguishing and recording the state of the Standby (Standby), msCurrentData 15M (43) for storing the data examined by the msTTP (31) in 15 minutes (Minute), msTTP (31) MsCurrentData 1D (45) which keeps inspected data in unit of 1 day,

Depth 5, msHistoryData 15M 51 storing history data of the msCurrentData 15M 43 and msHistoryData 1D storing history data of the msCurrentData 1D 45. 53) It is composed of

The depth may be expressed as a layer, and the depth may be large or small according to the configuration of each NE.

Hereinafter, with reference to the accompanying Figures 1 to 2 described above, the operation by the prior art will be described.

As an example, when history information is transmitted from the msHistoryData 15M 51 to the EMS 30, a managed object (MO), which is history information of the msHistory 15M 51, may store the msCurrentData 15M 43. Since the name must be bound to the information (MO) of the msCurrentData 15M (43), and also must pass through the msTTP (31), it is Name Binding with the MO of the msTTP (31). In addition, since the network element must pass through the sdhNE SystemTitle ID (25), and the name of the MO of the sdhNE SystemTitle (25) (Name Binding), and must pass again through the network SDH1551 (15), the network SDH1551 (15) ), The name binding with the MO is repeated repeatedly.

That is, the information of the MO group (MIB: Management Information Base) that is in the name-bound state as described above is' network SDH1551 (15) '+' sdhNE SystemTitle ID (25) '+' msTTP (31) '+' msCurrentData 15M ( 43) '+' msHistory Data 15M (51) 'is applied to the EMS (30).

In order to analyze the MIB which is the MO group as described above, the EMS 30 analyzes the MO information 'network SDH1551 (15) of depth 1 (Depth 1) using an analysis program, thereby performing SDH1551 (15) among multiple networks. Analyze and confirm that the MO is authorized from the network.

The EMS 30 again analyzes the 'sdhNE SystemTitle ID 25', which is the MO information of the Depth 2, with a dedicated program, thereby applying the MO applied from the sdhNE 25, which is a network element having a specific name (ID). Analyze and confirm that

In addition, by analyzing the 'msTTP 31', which is the MO of Depth 3, with the corresponding dedicated program, it is possible to confirm that the MO is applied from the msTTP 31 Self, and to the MO of Depth 4 By analyzing 'msCurrentData 15M (43)' with the corresponding dedicated program, it is confirmed that the MO is authorized from the msCurrentData 15M (43) card or unit, and 'msHistoryData 15M (51)' of depth 5 (Depth 5) is checked. The necessary information is retrieved by performing a process of verifying the history data of the msHistoryData 15M 51 by analyzing the corresponding program.

Therefore, the EMS 30 can analyze the history data of ms (Multiplex Section) for 15 minutes.

Each of the NEs 12, 14, and 23 of the optical communication equipment differs according to the purpose for which the NEs 12, 14, and 23 are connected and used, and the functions thereof are TM 12, ADM 14, and RM 23, respectively. Even in the same ADM 14, the number of communication lines to be added may be different, and the number of communication lines to be dropped may be different. Therefore, all NE configurations are considered to have different configurations. Can be.

Therefore, in order to analyze the information on the operating status of each component or alarm information, etc., a corresponding analysis program for each case (Case by Case) is required.

Therefore, in order to analyze the MIB to be applied, the EMS 30 should be provided with a large number of corresponding programs capable of analyzing all the various cases corresponding to each depth, and a lot of time is required to analyze the information. Due to the large number of programs, it is difficult to maintain due to the large number of programs, and there is a complicated and difficult problem to check the function of a program even when trying to modify a specific part of the program. An error occurs in the program. Even when trying to debug, there is a problem that many programs must be checked and verified, and there is a problem that the program cannot be applied to other products because it is not universal.

In addition, each network element NE may have a hardware change in which a specific card and a specific function of a specific shelf are added or deleted due to various reasons such as capacity change, function change, or location shift. From the corresponding hardware change part of the name-bound MIB, there was a problem that all the corresponding dedicated programs had to be modified.

It is an object of the present invention to provide a retrieval method in which a user or an operator of an optical signal transmission system can quickly and easily retrieve and confirm information of a system by using a system retrieval table.

In order to achieve the above object, the present invention provides a method for retrieving authorized information from a centralized management device of a synchronous optical signal transmission apparatus. A first process of determining whether a number exists, a second process of determining whether a class, a name, and a unique number of depth 2 exist, extracting a target ID, and setting the depth to 3, and the depth set in the second process A third process of determining whether a class of U exists and a fourth process of determining whether a name and a unique number of the depth set in the second process exist, and searching for a corresponding table of the name and the unique number to extract information; If it is determined whether there is a substructure of the depth according to the process, by adding a 1 to the current depth and comprises a fifth process of feedback to the third process Lure which is characterized by transmitting information search method in a transmission optical signal devices.

1 is a general connection state diagram of an optical communication system,

2 is a diagram illustrating a connection structure of a terminal unit function unit according to an embodiment;

3 is an information retrieval function diagram according to an embodiment of the present invention;

4 is a table lookup diagram according to an embodiment of the present invention;

5 is a table search flowchart according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: linear connection mode 12,14,23,25: network element

15: system group 20: annular connection mode

30: centralized management device 21, 32, 33, 34, 35: configuration of depth 3

41,43,45: Depth 4 configuration 51,53: Depth 5 configuration

55: MIB 59, 60, 70, 80, 90: table

Hereinafter, a transmission information retrieval method of an optical signal transmission device according to the present invention will be described with reference to the accompanying drawings.

3 is a functional information search function diagram according to an embodiment of the present invention, Figure 4 is a table search configuration diagram according to an embodiment of the present invention, Figure 5 is a table search flow chart according to an embodiment of the present invention.

Referring to the present invention with reference to the accompanying drawings as described above, the centralized management device (EMS: Element Management System) of the device for transmitting the optical signal synchronously is transmitted from the corresponding network element (NE), the authorized information In the method for searching,

The EMS 30 analyzes the MIB (Management Information Base) information (Data) transmitted and applied from the network element (NE), so that a class of Depth 1 is defined as the EMS 30 database ( Determining whether a table exists in a table (S10);

In step S10, if the class does not exist in the table, the process ends. If the class exists, the name of the depth 1 Distinguished Name (DN) and uniqueness A first process comprising a step S20 of determining whether a number (ID: Identification NO.) Exists;

Determining whether a class of depth 2 exists in the table of the EMS database (S30);

In step S30, if the class does not exist in the table, the process ends. If the class exists, the name DN and the unique number ID of the depth 2 are present. Determining whether S is present in the table (S40),

If the corresponding name (DN) and the unique number (ID) does not exist in the table (S40) in the step (S40) and ends, if the corresponding name (DN) and the unique number (ID) exists in the table The information of the target ID (TID: Target ID) is extracted from the ID (Data) corresponding to the depth 2 of the information (Data) received from the network device (NE), and the depth (Depth) is 3. A second process consisting of the step (S50) of setting to,

Determining whether the information (Data) of the class (Depth 3) set in the second process is present in the table of the EMS (30) database (S60),

If there is no information of the class (Class) in the table in the step (S60), the third step consisting of extracting the information from the attribute of the current class (S70) and ends (S70),

When the class of the depth 3 exists in the table of the EMS 30 database in the step S60, determining whether the name and the unique number ID of the depth 3 exist (S80);

In the above step (S80), if the name and the unique number of depth 3 exists in the table of the EMS (30) database, search the contents of the table of the name and depth of the depth 3 from the table (Search) ( S90),

Extracting information corresponding to the name and the unique number of depth 3 from the contents of the searched table (S100);

Analyzing the information applied from the network device NE to determine whether there is a substructure of depth 3 (S110);

If there is no substructure in step S110, the method returns to step S70, and if there is a substructure, adding a '1' to a current depth value and setting a new depth value (S120). The fifth process consisting of

After the above step (S120), it is made of a configuration for feeding back to the step (S60) of the third process.

Hereinafter, the operation of the transmission information retrieval method of the optical signal transmission device according to the present invention will be described in detail with reference to FIGS.

When information corresponding to the MIB 55 is input from a network element NE to the EMS 30 for operation and maintenance of the synchronous optical communication signal transmission system, the EMS 30 stores information on the table 59 stored in the database. Search for and determine whether there is a class (Class) representing the optical communication equipment group of depth 1, the name and a unique number (S10, S20).

If there is no corresponding information in the above determination result table, the process is terminated to stop further analysis and retrieval of the MIB information 55. If the information exists, the corresponding network element NE representing the next Depth 2 is displayed. Search the table 60 for Class, Name, and Unique Number, and if the table 60 contains the corresponding information, a TID (Target ID) or COT1 (Central Office Terminal 1) which is a unique number of depth 2 Extract the information and set the depth to 3 (S30, S40, S50).

Search the table 70 for depth 3 to determine if there is a class, if not, extract information of the current class, and if there is a class, determine if there is a name and a unique number of depth 3 If the corresponding name and unique number are in the table 70, the corresponding table is searched to extract information corresponding to the unique number, as an embodiment, such as 'HSU1.A', and It is determined whether there is a structure (S80, S90, S100, S110).

If there is a substructure, a new depth value is set by adding '1' to the value '3' set in the step S50 (S120), and proceeding to the step S60 of the third process. Feed back and repeat until there is no infrastructure.

Therefore, as an example, the depth 4 extracts information of 'Current Data 15 Minute (CD 15M)' representing the past 15 minutes, and the depth 5 indicates the information based on the attribute as 'CV: 12, ES: 1'. Extracts information such as SES: 1 and UAS: 1 '(100), and ends because there is no substructure below depth 5.

The MIB information can be easily retrieved by the information of the basic program shown in FIG. 5 and the table stored in the EMS 30 database, and the hardware structure of the corresponding network element NE of the optical communication system. Even if is changed, only the contents of the table need to be modified, and the information (Data) that changes from time to time, such as the information contents of the tables (80, 90), is updated whenever the contents of the information are updated (up-date). New information may be transmitted and updated in an area storing the information of 90).

Therefore, the information retrieval time is very small, the program is simple, it is very easy to modify, debug and maintain, and only by modifying the contents of the table, it is a universal optical communication that can be easily applied to changes of hardware configuration and other products Transmission information retrieval method of the system.

The present invention forms an information table for each functional unit of the synchronous optical communication device in a database of a simple program and a centralized management device, so that the program can be easily modified and maintained even when the hardware configuration of the optical communication device is changed. It is effective to debug in the event of a failure in the program, and also to modify the information table, so that the transmission information retrieval method of the universal optical signal transmission device can be immediately applied to other optical communication products. It is effective to provide.

Claims (1)

In the method for the centralized management device of the synchronous optical signal transmission device is transmitted to retrieve the authorized information, A first process of analyzing the authorized information to determine whether a class, name, and unique number of depth 1 exist; A second process of determining whether the class, name, and unique number of depth 2 exists, extracting the target unique number, and setting the depth to 3; A third process of determining whether a class of depth set in the second process is present; A fourth process of determining whether a name and a unique number of a depth set in the second process exists, searching for a corresponding table of the name and the unique number, and extracting information; If it is determined whether there is a substructure of the depth according to the process, the transmission information search of the optical signal transmission equipment comprising a fifth process of adding 1 to the current depth and then feeding back to the third process Way.