Disclosure of Invention
The invention aims to provide a method and a system for checking an optical path through an alarm, which solve the defects in the prior art.
The invention provides a method for checking an optical path through an alarm, which comprises the following steps:
Displaying an optical cross panel diagram formed by a plurality of network elements and a plurality of optical cross terminals at a user terminal;
selecting a corresponding optical cross terminal in an optical cross panel diagram at a user terminal to sequentially perform fiber pulling operation and fiber inserting operation;
When the alarm platform judges that one network element or optical cross terminal has the alarm and alarm recovery information of circuit disconnection, the alarm platform judges that the network element or optical cross terminal is connected with the optical cross terminal which is sequentially subjected to fiber pulling operation and fiber inserting operation;
Connecting a network element or an optical cross terminal with alarm and alarm recovery information of circuit disconnection with the optical cross terminal which is sequentially subjected to fiber pulling operation and fiber inserting operation;
And repeating the steps, sequentially performing fiber pulling operation and fiber inserting operation on each optical cross terminal, judging the network element or the optical cross terminal connected with each optical cross terminal, and connecting each optical cross terminal with the corresponding network element or the optical cross terminal to form an optical path topological graph.
In the above scheme, the network element includes ODF and OTN.
In the above scheme, the alarm platform installed at the user terminal is adopted to receive the fiber pulling operation information, and whether the network element or the optical cross terminal has an alarm of circuit disconnection is judged according to the fiber pulling operation information.
In the above scheme, when there is an alarm that the network element or the optical cross terminal has a circuit open, the optical cross terminal subjected to the fiber pulling operation in the optical cross panel diagram is subjected to fiber inserting operation at the user terminal.
In the above scheme, when the alarm platform judges that one network element has the alarm and alarm recovery information of circuit disconnection, the network element with the alarm and alarm recovery information of circuit disconnection is connected with the optical fiber terminal sequentially subjected to fiber pulling operation and fiber inserting operation through the ODF.
In the above scheme, in the process of connecting the network element with the alarm and alarm recovery information of circuit disconnection and the optical cross terminal which is sequentially subjected to fiber pulling operation and fiber inserting operation as the optical fiber, judging whether the optical cross panel diagram and the network element with the alarm and alarm recovery information of circuit disconnection exist in the optical cross panel diagram and the ODF of the machine room, and when judging that the corresponding ODF exists, automatically realizing the jump connection between the ODF and the network element with the alarm and alarm recovery information of circuit disconnection.
In the above scheme, the number of the ODFs and the OTNs is one or more.
In the above-mentioned scheme, the ODF and the OTN include a plurality of ports.
In the above scheme, the number of the optical cross terminals is a plurality of, and the plurality of optical cross terminals are arranged in one or more optical cable cross boxes.
The system for optical path checking through the alarm provided by the invention adopts the method for optical path checking through the alarm to carry out optical path checking, and the system comprises:
The optical cross panel diagram display module is used for displaying an optical cross panel diagram formed by a plurality of network elements and a plurality of optical cross terminals at a user terminal;
The fiber pulling and inserting operation module is used for sequentially carrying out fiber pulling operation and fiber inserting operation on the corresponding optical cross terminals in the optical cross panel diagram selected by the user terminal;
The connection judging module is used for judging that one network element or optical cross terminal is connected with the optical cross terminal which is sequentially subjected to fiber pulling operation and fiber inserting operation when the alarm platform simultaneously judges that the network element or the optical cross terminal has the alarm and alarm recovery information of circuit disconnection;
The connection module is used for connecting a network element or an optical cross terminal with the alarm and alarm recovery information of circuit disconnection with the optical cross terminal which is sequentially subjected to fiber pulling operation and fiber inserting operation;
the optical path topological graph forming module is used for sequentially carrying out fiber pulling operation and fiber inserting operation on each optical cross terminal, judging network elements or optical cross terminals connected with each optical cross terminal, and connecting each optical cross terminal with the corresponding network element or optical cross terminal to form an optical path topological graph.
The embodiment of the invention has the following advantages:
The method and the system for optical path checking through the alarm provided by the embodiment of the invention can eliminate the interference of the alarm with the circuit disconnection of the network element or the optical cross terminal which is not subjected to fiber pulling operation by judging the alarm with the circuit disconnection of the network element or the optical cross terminal and the alarm recovery information at the same time, have simple optical path checking operation and high efficiency, have precise network data, can greatly improve the difficulty of automatic opening of the service and fault repairing of the obstacle, and improve the customer perception.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1, the present invention provides a method for optical path verification by alarm, the method comprising the steps of:
Step S1: and displaying an optical cross panel diagram formed by the plurality of network elements and the plurality of optical cross terminals at the user terminal.
Specifically, the user terminal may use one or more of a mobile phone, a computer, a tablet, and the like.
Specifically, in the embodiment of the present invention, the network element includes an ODF and an OTN, where ODF (Optical Distribution Frame) is a network device for optical fiber communication, which is mainly used for connecting an optical cable and an optical fiber termination and ensuring reliable transmission of optical signals, and the ODF is generally used in a core or a convergence layer of a network, and can provide high-density, large-capacity optical fiber connection and support transmission of various rates and distances; OTN (Optical Transport Network) is a network based on optical transmission technology, mainly responsible for transmitting signals from one node to another.
Specifically, the ODF includes a plurality of ports, each corresponding to an optical fiber jumper, and the jumpers can connect different optical fiber terminals or optical cables, and the ODF is used as an optical fiber of the optical fiber terminals.
Specifically, a plurality of ports are included in the OTN.
In an embodiment of the present invention, the number of the ODF and the OTN is one or more, the number of the optical cross terminals is a plurality, and the plurality of optical cross terminals are disposed in one or more optical cable cross boxes, so that the ODF is connected with the OTN, and then the ODF is connected with the optical cross terminals to form an optical path.
Step S2: and selecting a corresponding optical cross terminal in the optical cross panel diagram at the user terminal to perform fiber drawing operation.
Specifically, in the embodiment of the present invention, the fiber pulling operation is mainly performed by disconnecting the ODF connected to the optical cross terminal or disconnecting the connection between the two optical cross terminals.
Step S3: and receiving the fiber pulling operation information by adopting an alarm platform arranged on the user terminal, and judging whether a network element or an optical cross terminal has an alarm of circuit disconnection according to the fiber pulling operation information.
Specifically, when the alarm platform installed on the user terminal receives the fiber drawing operation information, the alarm platform gives a circuit disconnection alarm according to the monitored circuit on-line state, and judges and determines an alarm generated by fiber drawing according to the area to which the alarm belongs and the area in which the fiber drawing operation is located.
Step S4: when the alarm that a network element or an optical cross terminal is provided with a circuit disconnection exists, the optical cross terminal which is subjected to the fiber pulling operation in the optical cross panel diagram is subjected to the fiber inserting operation in the user terminal, an alarm platform which is arranged on the user terminal receives the fiber inserting operation information, judges whether the network element or the optical cross terminal is provided with alarm recovery information according to the fiber pulling operation information, and when the alarm platform judges that one network element is provided with the alarm and alarm recovery information which are disconnected in a circuit, the alarm platform judges that the network element is connected with the optical cross terminal which is sequentially subjected to the fiber pulling operation and the fiber inserting operation through an ODF which is used as an optical fiber, and when the alarm platform judges that one optical cross terminal is provided with the alarm and alarm recovery information which are disconnected in a circuit, the alarm platform judges that the optical cross terminal is connected with the optical cross terminal which is sequentially subjected to the fiber pulling operation and the fiber inserting operation.
Specifically, by judging the alarm and the alarm recovery information of the circuit disconnection of one network element or the optical cross terminal at the same time, the interference of the alarm of the circuit disconnection of the network element or the optical cross terminal which does not perform fiber drawing operation can be eliminated.
Step S5: when the alarm platform judges that one network element has the alarm and alarm recovery information of circuit disconnection, the network element with the alarm and alarm recovery information of circuit disconnection is connected with the optical cross terminal which sequentially passes through fiber pulling operation and fiber inserting operation through the ODF as an optical fiber, and when the alarm platform judges that one optical cross terminal has the alarm and alarm recovery information of circuit disconnection, the optical cross terminal with the alarm and alarm recovery information of circuit disconnection is connected with the optical cross terminal which sequentially passes through fiber pulling operation and fiber inserting operation.
Specifically, in the process of connecting a network element with the alarm and alarm recovery information of circuit disconnection and an optical fiber cross terminal which is sequentially subjected to fiber pulling operation and fiber inserting operation by using the ODF as an optical fiber, judging whether the ODF is connected with the network element with the alarm and alarm recovery information of circuit disconnection and the ODF of a machine room in an optical fiber cross panel diagram, and when judging that the corresponding ODF exists, automatically realizing the jump connection between the ODF and the network element with the alarm and alarm recovery information of circuit disconnection.
Step S6: and repeating the steps, sequentially performing fiber pulling operation and fiber inserting operation on each optical cross terminal, judging the network element or the optical cross terminal connected with each optical cross terminal, and connecting each optical cross terminal with the corresponding network element or the optical cross terminal to form an optical path topological graph.
In the first embodiment of the present invention, three optical cable cross-boxes, four OTNs and three ODFs are adopted in the optical fiber cross-panel diagram, where the three optical cable cross-boxes include an optical cable cross-box 01, an optical cable cross-box 02 and an optical cable cross-box 04, the OTNs include an OTN01, an OTN02, an OTN03 and an OTN04, the ODFs include an ODF01, an ODF02 and an ODF03, each optical cable cross-box has 6 optical fiber cross-terminals, each OTN has two ports, and each ODF has two ports.
Specifically, the fiber pulling operation and the fiber inserting operation are performed on the optical fiber terminal 1 in the optical cable cross-connecting box 01, the alarm platform simultaneously judges that the 1 end of the OTN01 is provided with the alarm and alarm recovery information of circuit disconnection, the alarm platform judges that the 1 end of the OTN01 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 01, the alarm platform simultaneously judges that the optical fiber terminal 4 in the optical cable cross-connecting box 01 is provided with the alarm and alarm recovery information of circuit disconnection, and the alarm platform judges that the optical fiber terminal 4 in the optical cable cross-connecting box 01 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 01; then, carrying out fiber pulling operation and fiber inserting operation on the optical fiber terminal 1 in the optical cable cross-connecting box 02, wherein an alarm platform simultaneously judges that the optical fiber terminal 4 in the optical cable cross-connecting box 01 is in circuit breaking alarm and alarm recovery information, the alarm platform judges that the optical fiber terminal 4 in the optical cable cross-connecting box 01 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 02, and the alarm platform simultaneously judges that the optical fiber terminal 4 in the optical cable cross-connecting box 02 is in circuit breaking alarm and alarm recovery information, and the alarm platform judges that the optical fiber terminal 4 in the optical cable cross-connecting box 02 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 02; and finally, performing fiber pulling operation and fiber inserting operation on the optical fiber terminal 4 in the optical cable cross-connecting box 02, and simultaneously judging that the 1 end of the OTN02 has circuit breaking alarm and alarm recovery information by an alarm platform, wherein the alarm platform judges that the 1 end of the OTN02 is connected with the optical fiber terminal 4 in the optical cable cross-connecting box 02, the 1 end of the OTN01 is respectively connected with the 1 end of the optical fiber terminal 1 in the optical cable cross-connecting box 01 through the 1 end of the ODF01, the optical fiber terminal 1 in the optical cable cross-connecting box 01 is connected with the optical fiber terminal 4 in the optical cable cross-connecting box 01, the optical fiber terminal 1 in the optical cable cross-connecting box 02 is connected with the optical fiber terminal 4 in the optical cable cross-connecting box 02, and the optical fiber terminal 4 in the optical cable cross-connecting box 02 is connected with the 1 end of the OTN02 through the 1 end of the ODF02, so that an optical path topological graph shown in fig. 2 is formed.
Specifically, performing fiber pulling operation and fiber inserting operation on the optical fiber terminal 1 in the optical cable cross-connecting box 01, wherein an alarm platform simultaneously judges that the 1 end of the OTN03 is provided with alarm and alarm recovery information of circuit disconnection, the alarm platform judges that the 1 end of the OTN03 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 01, and simultaneously judges that the optical fiber terminal 5 in the optical cable cross-connecting box 01 is provided with alarm and alarm recovery information of circuit disconnection, and the alarm platform judges that the optical fiber terminal 5 in the optical cable cross-connecting box 01 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 01; then, carrying out fiber pulling operation and fiber inserting operation on the optical fiber terminal 1 in the optical cable cross-connecting box 02, wherein an alarm platform simultaneously judges that the optical fiber terminal 4 in the optical cable cross-connecting box 01 is in circuit breaking alarm and alarm recovery information, the alarm platform judges that the optical fiber terminal 4 in the optical cable cross-connecting box 01 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 02, and the alarm platform simultaneously judges that the optical fiber terminal 4 in the optical cable cross-connecting box 02 is in circuit breaking alarm and alarm recovery information, and the alarm platform judges that the optical fiber terminal 4 in the optical cable cross-connecting box 02 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 02; performing fiber pulling operation and fiber inserting operation on the optical fiber terminal 4 in the optical fiber cable cross connecting box 02, and simultaneously judging that the 1 end of the OTN02 has the alarm and alarm recovery information of circuit disconnection by an alarm platform, wherein the alarm platform judges that the 1 end of the OTN02 is connected with the optical fiber terminal 4 in the optical fiber cable cross connecting box 02; then, carrying out fiber pulling operation and fiber inserting operation on the optical fiber terminal 1 in the optical cable cross-connecting box 04, and simultaneously judging that the optical fiber terminal 5 in the optical cable cross-connecting box 01 has warning and warning recovery information of circuit disconnection by a warning platform, wherein the warning platform judges that the optical fiber terminal 5 in the optical cable cross-connecting box 01 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 04, and simultaneously judges that the optical fiber terminal 4 in the optical cable cross-connecting box 04 has warning and warning recovery information of circuit disconnection, and the warning platform judges that the optical fiber terminal 4 in the optical cable cross-connecting box 04 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 04; finally, performing fiber pulling operation and fiber inserting operation on the optical fiber terminal 4 in the optical cable cross connecting box 04, and simultaneously judging that the 1 end of the OTN04 has the alarm and alarm recovery information of circuit disconnection by an alarm platform, wherein the alarm platform judges that the 1 end of the OTN04 is connected with the optical fiber terminal 4 in the optical cable cross connecting box 04; the optical circuit topology shown in fig. 3 is formed by connecting the 1 end of OTN03 with the 1 end of optical fiber terminal 1 in optical cable cross-connecting box 01 through the 1 end of ODF01, connecting the 4 end of optical fiber terminal in optical cable cross-connecting box 01 with the 1 end of optical fiber terminal in optical cable cross-connecting box 02, connecting the 1 end of optical fiber terminal in optical cable cross-connecting box 02 with the 1 end of OTN02 through the 1 end of ODF02, connecting the 5 end of optical fiber terminal in optical cable cross-connecting box 01 with the 1 end of optical fiber terminal in optical cable cross-connecting box 04, connecting the 1 end of optical fiber terminal in optical cable cross-connecting box 04 with the 1 end of optical fiber terminal 4 in optical cable cross-connecting box 04, and connecting the 1 end of optical fiber terminal 4 in optical cable cross-connecting box 04 with the 1 end of OTN04 through the 1 end of ODF 03.
Specifically, since the 1 end of the OTN03 and the 1 end of the ODF01 are in the same machine room, and the 1 end of the OTN04 and the 1 end of the ODF03 are in the same machine room, the 1 end of the OTN03 and the optical cross terminal 1 in the optical cable cross box 01 are connected through the 1 end of the ODF01, the optical cross terminal 4 in the optical cable cross box 04 is connected through the 1 end of the ODF03 and the 1 end of the OTN04, when both ends of one ODF are optical paths of the OTN, if the OTNs at both ends are distributed in two different machine rooms, the jumper connection can be automatically created according to the judgment conditions of the same machine room.
In the second embodiment of the present invention, two optical cable cross boxes, two OTNs and two ODFs are adopted in the optical fiber cross panel diagram, the three optical cable cross boxes include an optical cable cross box 02 and an optical cable cross box 03, the OTNs include an OTN01 and an OTN02, the ODFs include an ODF01 and an ODF03, 4 optical cross terminals are in the optical cable cross box 02, 6 optical cross terminals are in the optical cable cross box 03, two ports are in each OTN, and two ports are in each ODF.
Specifically, performing fiber pulling operation and fiber inserting operation on an optical fiber terminal 1 in an optical cable cross-connecting box 02, wherein an alarm platform simultaneously judges that the 1 end of an OTN01 is provided with alarm and alarm recovery information of circuit disconnection, the alarm platform judges that the 1 end of the OTN01 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 02, and the alarm platform simultaneously judges that the optical fiber terminal 3 in the optical cable cross-connecting box 02 is provided with alarm and alarm recovery information of circuit disconnection, and the alarm platform judges that the optical fiber terminal 3 in the optical cable cross-connecting box 02 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 02; then, carrying out fiber pulling operation and fiber inserting operation on the optical fiber terminal 1 in the optical cable cross-connecting box 03, wherein an alarm platform simultaneously judges that the optical fiber terminal 3 in the optical cable cross-connecting box 02 has alarm and alarm recovery information of circuit disconnection, the alarm platform judges that the optical fiber terminal 3 in the optical cable cross-connecting box 02 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 03, and the alarm platform simultaneously judges that the optical fiber terminal 4 in the optical cable cross-connecting box 03 has alarm and alarm recovery information of circuit disconnection, and the alarm platform judges that the optical fiber terminal 4 in the optical cable cross-connecting box 03 is connected with the optical fiber terminal 1 in the optical cable cross-connecting box 03; and finally, performing fiber pulling operation and fiber inserting operation on the optical fiber terminal 4 in the optical cable cross-connecting box 03, and simultaneously judging that the 1 end of the OTN02 has circuit breaking alarm and alarm recovery information by an alarm platform, wherein the alarm platform judges that the 1 end of the OTN02 is connected with the optical fiber terminal 4 in the optical cable cross-connecting box 03, respectively connecting the 1 end of the OTN01 with the 2 end of the optical fiber terminal 1 in the optical cable cross-connecting box 02 through the ODF01, connecting the optical fiber terminal 1 in the optical cable cross-connecting box 02 with the optical fiber terminal 3 in the optical cable cross-connecting box 02, connecting the optical fiber terminal 3 in the optical cable cross-connecting box 02 with the optical fiber terminal 1 in the optical cable cross-connecting box 03, connecting the optical fiber terminal 1 in the optical cable cross-connecting box 03 with the 1 end of the OTN02 through the 2 end of the ODF02, and forming an optical path topological graph as shown in fig. 4.
Specifically, since the 1 end of the OTN01 and the 2 end of the ODF01 are the same machine room, the 1 end of the OTN02 and the 2 end of the ODF02 are the same machine room, the 1 end of the OTN01 is connected with the optical cross terminal 1 in the optical cable cross box 02 through the 2 end of the ODF01, the optical cross terminal 1 in the optical cable cross box 03 is connected with the 1 end of the OTN02 through the 2 end of the ODF02, when both ends of one ODF are optical paths of the OTN, if the OTNs at both ends are distributed in two different machine rooms, the jumper connection can be automatically created according to the judgment conditions of the same machine room.
As shown in fig. 5, the present invention provides a system for optical path verification by alerting, the system comprising:
The optical cross panel diagram display module is used for displaying an optical cross panel diagram formed by a plurality of network elements and a plurality of optical cross terminals at a user terminal;
The optical cross panel diagram display module is used for displaying an optical cross panel diagram formed by a plurality of network elements and a plurality of optical cross terminals at a user terminal;
The fiber pulling and inserting operation module is used for selecting a corresponding optical fiber terminal in the optical fiber panel diagram at the user terminal to conduct fiber pulling operation, receiving fiber pulling operation information by adopting an alarm platform arranged at the user terminal, judging whether a network element or an optical fiber terminal has a circuit disconnection alarm according to the fiber pulling operation information, when the network element or the optical fiber terminal has the circuit disconnection alarm, conducting fiber inserting operation on the optical fiber terminal which is subjected to fiber pulling operation in the optical fiber panel diagram at the user terminal, receiving fiber inserting operation information by adopting the alarm platform arranged at the user terminal, and judging whether the network element or the optical fiber terminal has alarm recovery information according to the fiber pulling operation information;
The connection judging module is used for judging that the network element is connected with an optical cross terminal which sequentially passes through fiber pulling operation and fiber inserting operation through an ODF as an optical fiber when the alarming platform simultaneously judges that one optical cross terminal has the alarming and alarming recovery information of circuit breaking, and judging that the optical cross terminal is connected with the optical cross terminal which sequentially passes through fiber pulling operation and fiber inserting operation when the alarming platform simultaneously judges that one optical cross terminal has the alarming and alarming recovery information of circuit breaking;
And the connection module is used for connecting the network element with the circuit-disconnected alarm and alarm recovery information with the optical cross terminal which sequentially passes through the fiber pulling operation and the fiber inserting operation through the ODF serving as the optical fiber when the alarm platform judges that one optical cross terminal has the circuit-disconnected alarm and alarm recovery information at the same time, and connecting the optical cross terminal with the circuit-disconnected alarm and alarm recovery information with the optical cross terminal which sequentially passes through the fiber pulling operation and the fiber inserting operation when the alarm platform judges that one optical cross terminal has the circuit-disconnected alarm and alarm recovery information at the same time.
The optical path topological graph forming module is used for sequentially carrying out fiber pulling operation and fiber inserting operation on each optical cross terminal, judging network elements or optical cross terminals connected with each optical cross terminal, and connecting each optical cross terminal with the corresponding network element or optical cross terminal to form an optical path topological graph.
It should be noted that the foregoing detailed description is exemplary and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly indicates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or groups thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways, such as rotated 90 degrees or at other orientations, and the spatially relative descriptors used herein interpreted accordingly.
In the above detailed description, reference is made to the accompanying drawings, which form a part hereof. In the drawings, like numerals typically identify like components unless context indicates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be utilized, and other changes may be made, without departing from the spirit or scope of the subject matter presented herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.