KR19990042694A - How to maintain cross-connect object consistency by group in 10sec synchronous transmitter - Google Patents

Abstract

The present invention relates to a method for maintaining cross-connect object consistency by groups in a 10 Gbps synchronous transmission device. When a 10 Gbps branch-coupled optical transmission system is connected to a communication management network and acts as a delegate, the configuration management object unit is a standardized interface. It provides the function of displaying the configuration status in the network element through the system, and provides the administrator with the function to view and control the connection status of the system through the implementation of the cross-connected management object function recommended in the synchronous transmission standard. It is possible to maintain management unit signal and signal group data for each transmission channel and service if communication status is requested by the network management network manager. Therefore, communication management network will be maintained by maintaining standardized cross-connection management object in 10Gbps optical transmission system. Signal matched by the group connected to And the primary connections is possible.

Description

How to maintain cross-connect object consistency by group in 10sec synchronous transmitter

The present invention relates to a method for maintaining cross-link object consistency by group in a 10 Gbps synchronous transmitter. Specifically, the synchronous transmitter can maintain a signal connection object while allowing a synchronous transmitter to perform a standard cross-connection management function in a communication management network. By maintaining the association with the object that maintains the signal group data, cross-linking is possible for each management unit so that the signal connection required by the administrator can be performed consistently with the operation in hardware unit.

10Gbps Synchronous Digital Hierarchy (SDH) optical transmission system has been developed in Korea since 1993 as part of the HAN / B-ISDN project, a national research project of the Korea Electronics and Telecommunications Research Institute. When the transmission system acts as a proxy of the communication management network, the management information database is a repository of management objects that provide status for the management function of the communication management network while maintaining all information of the device in a standardized form.

In the prior art, cross-connection management has been operated on an individual signal basis. However, in order to keep the connection state of the device as inconsistent as possible, the objects that perform each management function in the delegate must accurately retain the necessary information by means of group objects and keep it free from loss. Therefore, even in the signal connection function performed by the transmitting device, the signal group object existing in the delegate is maintained as a management unit of hardware so that the standard information which provides the consistency of configuration information and guarantees the consistent state with the actual device as possible. Implementing the model is the goal of cross-connected configuration objects in 10Gbps branch-coupled devices. In addition, by matching the unique identifier of the group object with the identifier of the signal object corresponding to the initialization at the time of initialization can provide consistency of the connection state information.

Therefore, in order to solve the above-mentioned conventional problem, the present invention has introduced a group object for the signal connection required by the administrator to provide a group of signals in which a real cross connection is maintained. At this time, it checks whether the requested signal objects are cross-connected and checks whether they are already connected or the request is justified to prevent errors. When the manager requests to connect or disconnect the signal normally, the object representing the connection status is created or deleted and the corresponding response is made. At this time, the properties of the group and the signal object related to the operation result of the hardware are processed in a unit of work to maintain a consistent data. When the creation or deletion process of the cross-connected object is made, the purpose of this is to notify the administrator of the change by notifying the object creation or deletion.

1 is a structural diagram of a maintenance subsystem of a 10 Gbps optical transmission device;

2 is a block diagram of a management information base block in a 10 Gbps device delegate function for a TMN;

3A to 3E are flowcharts of performing cross-connect management object functions in a management information base block.

* Description of the symbols for the main parts of the drawings *

1: management processor (MP) 2: delegate processor (AP)

3: TMN Manager 4: Supervisory Control Subsystem (MCPS)

5: Admin User Interface Block 6: TMN Manager Connection Block

7: Management application block 8: Agent access block

9: data processing block 10: MDB

11: Manager access block 12: Agent processing block

13: Supervisory control access block 14: Agent information base block

15: MIB

In order to achieve the above object, a method of maintaining cross-connect object consistency by group in a 10Gbps synchronous transmission device requires a group object to maintain a consistent state by introducing a group object for a signal connection required by an administrator. Performing a first step of checking whether the connected signal objects are cross-connected to determine whether they are already connected or if the request is justified, thereby preventing an error; Performing a second step of creating or deleting an object indicating a connection state and making a corresponding response when a signal connection or disconnection request of the manager is normally performed; When creating or deleting a cross-connected object to maintain consistent data by processing the properties of the group and signal objects related to the operation result of the hardware as a unit of work, the administrator can be notified of the change by notifying the object creation or deletion. And performing a third step to maintain cross object matching by group.

The signal group object is maintained for each management unit of all transport channels. Therefore, group objects corresponding to signal channels that can be cross-connected exist, and information on connection requests specified by the administrator is maintained. In addition, cross-connected objects representing the actual state of connection are maintained with the group object. In the present invention, the relative unique name of the group object corresponding to the signal object is sequentially configured corresponding to the management unit. This allows administrators to request cross-connections to group objects. When a new cross-connected object is created or deleted by disconnection due to a report from hardware or an administrator's request, the administrator is notified of the object's creation and deletion, and the attributes in the signal and group objects are changed.

1 is a structural diagram of a maintenance subsystem of a 10 Gbps optical transmission apparatus. As shown in FIG. 1, a physical structure of a management subsystem for connecting to a Telecommunications Management Network (TMN) in a 10 Gbps optical transmission system provides a management application function. It consists of a management processor (hereinafter referred to as MP: Manager Processor) 1 and a delegate processor (hereinafter referred to as AP: Agent Processor) 2 which provides information of the management object to the management application. The MP 1 comprises a management user interface block 5 for application management processing, a management application block 7, a data processing block 9, and a TMN manager connection block 6 for communication connection with the TMN and the delegate. It consists of an Agent connection block 8. The data held in the MP 1 corresponds to the MDB 10. The AP 2 includes an agent processing block 12 and an agent information base block 14 for storing and processing management information required by a management processor, and a supervisory control access block 13 for interfacing with supervisory control; There is a Manager access block 11 for communication with a management processor. The data maintained in the AP 2 corresponds to the MIB 15. The TMN manager (3) represents the entity that the 10 Gbps optical transmission system will ultimately be connected to the TMN to perform the manager functions, and the actual information from the high-speed or subordinate maintenance and control processing subsystem (MCPS) of the 10 Gbps device (4) You get the status of the resource.

2 is a functional structure diagram of the delegate information base 16 performed in the AP 2 of the 10Gbps optical transmission maintenance system. The delegate information base includes a configuration management object unit 21 for configuration of a signal that can be accommodated in a 10Gbps optical transmission device, a failure management object unit 22 for diagnosing and recovering a network failure, and The performance management object unit 23 for performance management of the network and the network elements, and the support object unit 24 in charge of the support of the respective units (21, 22, 23). In the configuration management object unit 21, there are objects related to a signal that can be accommodated in a 10Gbps optical transmission device, and facilities and state control functions of hardware constituting the same. The failure management object unit 22 recognizes and reports a failure of a network and a network element, and performs a function related to diagnosis and recovery. The performance management object unit 23 has an evaluation and reporting function for the performance of the network and the network elements. The support object unit 24 is composed of objects of a function that supports the configuration, failure, performance management objects (21, 22, 23). The 10Gbps transmission device is connected to the communication management network and needs an information database composed of the above objects to perform standardized management functions as an agent. In particular, the configuration management object unit 21 enables cross-management of the branch-coupled 10Gbps device by maintaining the transmission signal object in the synchronous transmission device and the object for cross-connection management.

3 is a flowchart of performing a cross connection configuration object function related to a signal connection in a management information base block. The signal connection in the branched transmission may be branched to or coupled from the slave. High speed signals may also pass through as they are. Therefore, the cross connection object is implemented such that any signal connection operation is made and represented. When the operation of the 10 Gbps device is initiated, the delegate function is performed and the configuration management object is initialized while providing a unique identifier of the group signal object with the signal object for signal object correspondence (31).

When a table service connection service request is received from the communication management network manager or the MP 1 (32), it is first checked whether it is a cross connection request (33), and in the case of signal connection, the corresponding signal group is accessed (34). It checks whether the requested content is connectable (35) and gives an error notification (36) if it is already connected. Check if it is a request for release (37) to access the corresponding signal group (38) if it is a normal release request, and compare (39) if it is already released for a cross-connection release request. If it is already disconnected, an error notification is made (40) and a signal group object corresponding to the release is found (41). Examine whether the property state of the object is normal (42) and if the property value is abnormal (45), if the property value is normal (45), configure the corresponding down request message to the monitoring control unit (43) request message to the MCPS side Send (44). The response of the supervisory control unit is received (46) and the response to the connection request is compared (47). If the connection request response is confirmed as a result of success (48), and if the cross-connection of the hardware fails (49). If the cross link is successful, the cross link object is created (50), the cross link object property is specified (51), and the pointer property of the group signal object (52). It modifies the properties of the signal objects belonging to the group (53), notifies the administrator of the generated crosslinking object (54) and responds to the result of the normal crosslinking (55). If the message of the monitoring control unit crosses the connection disconnection response (56), if not the release response message error processing (57) and the release result is successful (58). If successful, specify the group signal object pointer property (60), specify the property of that signal object (61), and if the cross-link is successful, notify the deletion of the cross-connected object (62), and actually delete the cross-connected object. After (63) release success response (64). When a release failure response is received from the monitoring control unit, a failure is sent as a response (59).

When the cross-connection report is received from the high speed unit and the subordinate unit supervisory control unit (65), first, the corresponding hardware information is extracted (66), and the content of the report is compared with the connection notification (67). In the case of the connection report, a signal object corresponding to the hardware is found (68) and the access of the object is successful (69). In addition, if the property value of the object is normal is compared (71), if the property state value is abnormal, the property error processing (72). If the signal object access is successful, create a cross-link object (73), specify a property value to point the cross-link object to a relative object (74), specify the state property of the group object (75), and also the pointer property of the signal object. Reflect (76) and notify the creation of the cross-connected object (77). The monitoring control message is compared with the release notification (78), and if it is not the release notification, report error processing (79). In the case of the release notification, the signal and group object are accessed (80) and the object access is successful (81). If the access fails, error processing is performed (82). If the object is accessed, the property value is confirmed normal (83). . If the property value is normal, change the property of the group object (84), change the object property of the corresponding signal to match (85), and notify the administrator what object is being deleted (86); Delete the object (87). If the object property is not normal, error processing is also performed (88).

The configuration management object is performed permanently in the delegate process. If the termination signal is received from an operating system (OS) (89, FIG. 3A), the execution ends.

According to the present invention, the following effects can be obtained.

1) In 10Gbps branch-coupled optical transmission system, cross-connect data can be retained according to the standard model.

2) From the TMN manager, it is possible to perform a cross link request function in units of signal groups of a 10 Gbps optical transmission system.

3) It is possible to change and report the signal connection status of 10Gbps optical transmission system.

4) Notification of creation and deletion of cross-connected object data of 10Gbps devices is possible.

Claims (4)

In 10Gbps synchronous transmission device, the group object is introduced for the signal connection requested by the administrator, so that the group of signals that are actually cross-connected is checked for cross-connection of the signal objects required to maintain a consistent state. Verifying that the first step is to prevent errors; A second step of creating or deleting an object representing the connection state and responding accordingly when a request for connection or disconnection of the manager is normally made; When creating or deleting a cross-connected object to maintain consistent data by processing the properties of the group and signal objects related to the operation result of the hardware as a unit of work, the administrator can be notified of the change by notifying the object creation or deletion. A method for maintaining cross-connect object consistency by group in a 10 Gbps synchronous transmission device, characterized by maintaining cross-link object matching by group by performing a third step. The method of claim 1, The first step is, Determining whether it is a connection request or a release request when the management processor or the network manager requests the cross connection service, and accessing or disconnecting the corresponding signal group according to the request; A method for maintaining cross-connected object consistency by a group in a 10Gbps synchronous transmission device, comprising accessing a group belonging signal object and constructing a downlink request message when the object attribute state is normal. The method of claim 1, The second step, Determining a case of a connection response and a case of a release response based on a result message for a signal connection or release request of an administrator received from the monitoring control unit; If it is a connection request response, check that the result is successful, respond with an error if the cross connection of the hardware fails, create a cross connection object if the cross connection is successful, specify the properties of the cross connection object, and specify the pointer property of the group signal object. Modifying the attributes of the signal objects belonging to the group, notifying the administrator of the generated cross-connected object, and responding to the cross-linking result made normally; If it is a disconnected response, check that the release result is successful, specify the group signal object pointer properties, specify the properties of that signal object, and if the crosslink succeeds, notify the deletion of the cross-connected object and actually delete the cross-connected object. And then responding to the release success result. The method of claim 1, The third step, When receiving the cross-connection report from the high-speed unit and the sub-unit supervisory control unit, extracting corresponding hardware information and determining a case of a connection response and a release response if the contents of the report are a connection notification or a release notification; For connection notifications, create a cross-connected object by looking for a signal object that corresponds to hardware, verifying that the object access is successful, verifying that the property value of the object is normal, and assigning the property value to point the cross-connected object to a relative object. Designating a state attribute of the group object, changing the pointer attribute of the signal object to reflect the state, and notifying generation of the cross-connected object; In the case of a disconnect notification, access the signal and group objects, verify that the object access is successful, check that the property values are normal, change the properties of the group object, change the object properties of that signal to match, and what object will be deleted. And notifying the cognitive manager and deleting and notifying the cross-connected object.