KR100674343B1 - Method for GUI of ATM PVC routing information - Google Patents

Abstract

The present invention provides an operator matching function by allowing network operators to easily recognize and use path information related to ATM permanent virtual connections by displaying path information of ATM permanent virtual connections to a network operator through a GUI (Graphic User Interface). By using the route information expressed as, it is possible to easily perform ATM performance and failure management functions related to PVC on the connection endpoint and trail endpoint that constitute the permanent virtual connection. According to the present invention, after selecting a specific permanent virtual connection during network operation, the random connection endpoint constituting the persistent virtual connection, performance data collection control, performance data threshold control, performance reporting cycle change, segment unit (segment, It is easy to perform end-to-end VP / VC OAM performance data collection control, and it is a continuity test and loopback which is a test function of fault management function in random connection endpoint, trail endpoint and interval unit on permanent virtual connection. Can be run on the GUI. As a result, the network operator can easily grasp the path information constituting the permanent virtual connection on any permanent virtual connection, and can easily perform the performance and fault management functions related to the permanent virtual connection through the path information.

Description

Operator matching method of ATM permanent virtual connection route information {Method for GUI of ATM PVC routing information}

1 is a block diagram showing a schematic configuration of a network management system (NMS) to which the present invention is applied.

2 is a GUI sub-network information unit selection button for displaying route information used in the present invention.

Figure 3 is a flow chart for querying the permanent virtual connection path information in accordance with the present invention.

Figure 4a is a implemented route information window showing the point-to-point ATM permanent virtual connection route information according to the present invention.

Figure 4b is a implemented route information window showing a point-to-multipoint ATM permanent virtual connection route according to the present invention.

5 is a flow chart for performing a performance management function on a permanent virtual connection according to the present invention.

6 is a flow chart for performing a failure management function on a permanent virtual connection according to the present invention.

<Description of Symbols for Main Parts of Drawings>

21: Direction of connection 22: Source select button

23: sink pushbutton

41: FM notebook 42: PM notebook

43: mouse navigation window 44: PVC route information display window

45: route information selection button

The present invention relates to an operator matching method of ATM PVC route information. More particularly, the present invention relates to a network operator by displaying route information of an ATM permanent virtual connection (PVC) to a network operator through a graphical user interface (GUI). A method for operator matching of ATM persistent virtual connection path information to easily perform ATM performance and fault management functions by providing an operator matching function for easily recognizing the route information related to ATM persistent virtual connection and using the information easily. will be.

In general, the route information of ATM permanent virtual connection is information of CTP (Connection Termination Point) and TTP (Trail Termination Point) constituting permanent virtual connection. Each node, port, logical port, Virtual Path Identifier (VPI), and Virtual Channel Identifier (VCI) of each of the exchanges that make up a Permanent Virtual Connection (PVC). Number). This information shows how virtual information persistent virtual connections are logically organized on the network elements of physical devices such as exchanges. And it is possible to know which permanent node is virtual path exchange at which switching node and virtual path / virtual channel exchange is performed at the same time. However, there are many persistent virtual connections in the network, and it is difficult for the network operator to query and recognize the path information constituting them.

In addition, performance data collection control for connection end point or trail end point that constitutes PVC, virtual path / virtual channel OAM performance data collection control, performance data threshold change, performance reporting cycle change and interval unit (segment, termination) In order to perform performance management functions related to PVC such as end-to-end) virtual path / virtual channel OAM performance data collection and control, after inquiring information about each connection end point and trail end point constituting permanent virtual connection Again, there is a difficulty in performing the performance management function using this information. Also, in order to perform continuity test (CC) and loopback, which is a test function among PVC failure management functions, the path information of the permanent virtual connection is inquired, and the failure test function is again used by using the connection end point and trail end point information. There is a difficulty to perform.

Moreover, if it is not expressed in order to form the connection for the inquired information, it is not easy to perform the function when performing the function by section, and even if the route information is known in sequence, the operator may It is not easy to recognize the order.

The present invention has been made to solve the conventional problems as described above, it is easy to recognize the path information of PVC through the GUI to the network operator, and the performance and failure management function related to PVC easily by using the displayed information The purpose is to provide an operator matching method for ATM persistent virtual path information.

In order to achieve the above object, the present invention includes a first step of querying the route information associated with the ATM permanent virtual connection; A second process of expressing the inquired PVC path information in a GUI (Graphic User Interface) so that an operator can easily recognize the PVC path information; Performing a performance management function on the permanent virtual connection path information represented by the GUI; And a fourth process of performing a failure management function on the persistent virtual connection path information represented by the GUI.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing a schematic configuration of a network management system (NMS) to which the present invention is applied. In the drawing, a dotted line (a) shows a management area of a network management system.

The network manager 11 and the network management system 12 for providing a terminal to the network operator, the ATM exchanger 14 constituting the network in the management area (a) of the network management system, necessary for network management of the network management system. It consists of a database 13 that stores information.

In addition, the permanent virtual connection provided by the ATM network can be divided into a virtual path (VP) and a virtual channel (VC), and are provided to the ATM management area (a) through the ATM exchanger (14). As shown in FIG. 1, a virtual path network and a virtual channel network are logically configured on an ATM switch. In this case, the virtual path network is composed of a VP link 20 configured between physical connections through the ports of the ATM switch 14 to provide a virtual path connection service through the VP link 20. The virtual path connection set at this time is composed of a virtual path network connection endpoint 17. The virtual path trail 16 shown in FIG. 1 is a VC link 18 for constructing a virtual channel network in the virtual channel network, and is composed of the virtual path connection endpoints 17 and the virtual path trail endpoints 15. A virtual path (VP) and a virtual channel (VC) connection can be configured through the virtual path network and the virtual channel network.

The physical network, the VP network, and the VC network are managed by the network management system 12, provide a permanent virtual connection service, and operate and manage.

FIG. 2 is a subnetwork information unit for GUI for expressing connection endpoint and trail endpoint, which are path information constituting a permanent virtual connection in the present invention. Where direction (21) indicates whether the connection is bidirectional or unidirectional, and the other terms are path information from the database 13 managed by the network management system 12. The virtual path identification number value and the virtual channel identification number value for the portid and the logical connection are shown, and whether the connection end point or the trailing end point is used using the background color thereof. The source 22 and sink 23 selection buttons are used to perform performance management and failure management functions related to the permanent virtual connection, and the subnetwork information acts as a selection button. This will be described with reference to FIGS. 4 and 5.

3 is a query for a persistent virtual connection that is set in the flow chart for querying the permanent virtual connection path information. And among the inquired connection, select the connection to know the route information. The path information on the selected connection is read from the database 13 of the network management system (S1). The read route information is converted into the GUI subnetwork information unit of FIG. 2. The background color of the subnetwork information unit button is changed according to the point type of the route information so that the user can easily distinguish the connection end point and the trail end point (S2).

The subnetwork information unit button configured as described above is represented as a GUI (Fig. 4) in the form of a tree according to the configuration order of the connection. Where the node id value is the same, the route information is in the same node, and if the node id value of the adjacent subnetwork route information is different, it also displays the link value on the GUI line with the link to another node (S3). .

4A illustrates path information for a point-to-point virtual path connection according to the present invention. This shows the configuration of the virtual path connection to the GUI subnetwork information unit button 45 (44). And the navigation (43) of the mouse was placed to make it easy to see the displayed route information. In addition, a notebook (42) related to the performance management function and a notebook (41) related to the fault management function were set up so that the items related to each function could be easily set.

4B illustrates path information for a point-to-multipoint virtual path connection according to the present invention.

Node ID, port ID, virtual path identification number, and virtual channel identification number are displayed for each connection end point constituting each connection through the GUI to easily understand how the connection is logically configured through a physical device. can do. The VC connection is also shown in the form as shown in Figs. 4a and 4b.

5 is a flowchart for performing a performance management function on the illustrated GUI path information. First, permanent virtual connection path information is obtained according to the flowchart of FIG. 3. PM shown in Fig. 4A is selected (S4). The PM function enables or disables virtual path / virtual channel OAM performance data reporting. Select the function to perform among activation / deactivation of performance data report, change of reporting period of performance data, and threshold value change of performance data.

If the virtual path / virtual channel OAM performance data reporting activation function is selected, select the block size and OAM direction required to execute this function. Then select two points of the route information related to the current connection. In this case, the same node id value, that is, it is not performed according to the performance management function requirement in the same node, and the connection endpoint is closer to the sender that established the connection by comparing two points selected from the connection endpoint information of the connection The A port is automatically assigned to the Z port, which is closer to the destination, and the sink and source designation for the A port and the Z port are selected according to the direction selection, and the OAM cell flow direction for each point. (downstream, upstream) Specify this automatically.

The network manager who operates the upper network management system to perform this function together with other network management areas outside the current network management range (the upper network management system that can know both current networks) According to the instruction, one point of the connection end point was selected and the sink and source can be designated for the selected point and the OAM cell flow direction, downlink and uplink can be designated for the current point (S5). Through this setting process, virtual path / virtual channel OAM performance management data reporting function is performed. And other performance management functions may be performed by selecting a random connection endpoint to be performed after selecting the function execution button (S6).

6 is a flow chart for performing a failure management function on the PVC according to the present invention. It is shown that the continuity test and loopback function, which are the test functions, are performed among the fault management functions related to persistent virtual connection. Here, the method (S7) for obtaining the permanent virtual connection path information is the same as that in S4 of FIG. After obtaining the PVC path information, the method of performing a continuity point of the failure management function on the GUI of FIGS. 4A and 4B is the same as the method of performing the VP / VC OAM performance data reporting function (S5) (S8).

If the section is set to end-to-end during loopback, select one of the subnetwork information unit buttons as the trailing end point, designate it as a source, and press the execute button (S9). . In the case of a segment, if two connection endpoints of routing information are selected and one of the two points is set as a source or a sink, the other one is automatically selected as the opposite of the first selection. After that, pressing the execution button is performed (S10).

 In addition, the continuity test, virtual path / virtual channel OAM performance data collection among the performance management function and the failure management function being performed are managed in the database 13 of the network management system so that an operator can disable the paths of FIGS. 4A and 4B. Inquiry in the information window displays the connection endpoint and trail endpoint information in the form of table that performance management and fault management function is currently performing on the permanent virtual connection in the form of table, and disables the function that is being performed on the table. Deactivation can be performed by selecting the corresponding connection endpoint and trail endpoint using the connection endpoint and trail endpoint information of the queried table.

As described in detail above, using the ATM permanent virtual connection path information network operator matching of the present invention, the network operator can easily know the permanent virtual connection path information (physical node id, port id and logical VPI, VCI value). On the other hand, this path information has the advantage of facilitating performance management and fault management functions related to persistent virtual connection, and it is easy to handle a series of actions when an error occurs related to persistent virtual connection. Entails.

In addition, various modifications, changes, additions, and the like may be made in the spirit and scope of the present invention in addition to the embodiments of the present invention, and such modifications and changes should be regarded as belonging to the following claims.

Claims (5)

delete A process of querying route information related to ATM permanent virtual connection; B process of visually displaying the inquiring virtual connection path information and outputting the GUI to the GUI; C process of performing a performance management function on the permanent virtual connection path information output to the GUI; And a process of performing a failure management function on the permanent virtual connection path information output to the GUI, The b process is Visualizing the inquired persistent virtual connection path information in a tree form using a subnetwork information unit; Visualizing the background color of the partial network information unit according to the connection end point and the trail end point of the inquiring virtual connection path information; And Operator matching method of ATM persistent virtual connection path information, characterized in that the step of visually distinguishing and displaying whether the path information in the same node or information belonging to another node according to the node ID value of the sub-network on the GUI. The method of claim 1, In step b, the permanent virtual connection path information is in units of partial network information. A directional (unidirectional, bidirectional) field of the connection; A node id and a port id field which are physical components of the connection; A port id, a virtual path identification number, and a virtual channel identification number field which are logical components of the connection; And And a selection field for selecting the source and the sink when performing the performance management and fault management functions. The method of claim 1, The c process is Inquiring whether the performance management function is activated and deactivated on the PVC path information when the performance management function is selected on the permanent virtual connection path information output to the GUI; If the performance management activation function is selected in the step, performing within the scope of the network management system; Performing with any permanent virtual connection path point (connection endpoint and trail endpoint) outside the scope of the network management system; Setting parameters required for the selected performance management at the time of activation and managing the activated performance management functions in a list in a database of the network management system; And Querying the activated performance management function and deactivating the activated performance management function. The method of claim 1, The d process may include inquiring whether the failure management function is activated and deactivated on the PVC path information when the failure management function is selected on the permanent virtual path information output to the GUI; If the failure management activation function is selected in the step, performing within the scope of the network management system, and performing any PVC path point (connection end point and trail end point) outside the range of the network management system; Setting parameters necessary for the selected failure management at the time of activation, and managing the activated failure management functions in a list in a database of the network management system; And Querying the activated fault management function and deactivating the activated fault management function.

Images