CN111107021A - Method, device, equipment and storage medium for determining information stream path - Google Patents
Method, device, equipment and storage medium for determining information stream path Download PDFInfo
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- CN111107021A CN111107021A CN201911157314.1A CN201911157314A CN111107021A CN 111107021 A CN111107021 A CN 111107021A CN 201911157314 A CN201911157314 A CN 201911157314A CN 111107021 A CN111107021 A CN 111107021A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
Abstract
The application discloses a method, a device, equipment and a storage medium for determining an information flow path, wherein the method comprises the following steps: s1, acquiring a signal source port, a signal sink port and a first port corresponding to power information to be transmitted in the power communication network; s2, judging whether the first port is a signal sink port, if so, taking a transmission path between the first port and the signal source port as an information flow path of the power information to be transmitted, and if not, executing a step S3; s3, judging whether the first port is a switch port, if so, determining a second port corresponding to the first port, and then executing a step S4; s4, acquiring a third port establishing a line connection relation with the second port, taking the third port as a new first port, returning to the step S2 until the new first port is a signal sink port, and taking a transmission path among the signal source port, the first port and the new first port as an information flow path, thereby solving the technical problem that the information flow path is not determined in the prior art when power information is transmitted.
Description
Technical Field
The present application relates to the field of power communication network technologies, and in particular, to a method, an apparatus, a device, and a storage medium for determining an information flow path.
Background
In the power communication network, the power information has an explicit transceiving relationship, namely, a determined transmitting device and a target receiving device. The information flow path for grasping the power information, that is, the transmission path of the power information between the transmitting device and the target receiving device, helps a person to design a power communication network or perform power information transmission.
However, in the conventional power communication network, it is generally only possible to know a source port (a transmission port of a transmission device) and a sink port (a reception port of a target reception device), that is, it is only possible to obtain a port from which power information is transmitted at first and finally arrives at. And the information flow path of the power information is not determined in the whole transmission process.
Disclosure of Invention
In view of the above, the present application provides a method, an apparatus, a device and a storage medium for determining an information flow path, which can determine the information flow path when a power communication network transmits power information.
A first aspect of the present application provides a method for determining an information flow path, including the steps of:
s1, acquiring an information source port and an information sink port corresponding to power information to be transmitted in the power communication network and a first port establishing a line connection relation with the information source port;
s2, judging whether the first port is the information sink port, if so, taking a transmission path between the first port and the information source port as an information flow path of the power information to be transmitted, and if not, executing a step S3;
s3, judging whether the first port is a switch port, if so, determining a second port corresponding to the first port, and then executing a step S4, wherein the second port is a switch port except the first port on a switch where the first port is located;
s4, obtaining a third port establishing a line connection relationship with the second port, and after the third port is used as a new first port, returning to step S2 until the new first port is the sink port, and using a transmission path among the source port, the first port, and the new first port as the information flow path.
Optionally, the number of sink ports is one.
Optionally, the number of sink ports is plural.
Optionally, step S4 is followed by:
s5, traversing all source ports in the power communication network to execute the steps S1 to S4, and obtaining all information flow paths corresponding to the power communication network.
A second aspect of the present application provides an apparatus for determining an information flow path, including:
the first acquisition unit is used for acquiring an information source port and an information sink port corresponding to power information to be transmitted in the power communication network and a first port establishing a line connection relation with the information source port;
a first judging unit, configured to judge whether the first port is the sink port, if so, use a transmission path between the first port and the source port as an information flow path of the to-be-transmitted power information, and if not, trigger a second judging unit;
the second judging unit is used for judging whether the first port is a switch port, if so, after determining a second port corresponding to the first port, triggering the return unit, wherein the second port is a switch port except the first port on a switch where the first port is located;
and the second acquiring unit is used for acquiring a third port establishing a line connection relationship with the second port, and triggering the first judging unit after the third port is used as a new first port until the new first port is the information sink port, and using a transmission path among the information source port, the first port and the new first port as the information flow path.
Optionally, the number of sink ports is one.
Optionally, the number of sink ports is plural.
Optionally, the method further comprises:
and the traversing unit is used for triggering the first acquiring unit, the first judging unit, the second judging unit and the second acquiring unit to traverse all the information source ports in the power communication network to obtain all the information flow paths corresponding to the power communication network.
A third aspect of the present application provides an apparatus for determining an information flow path, including: a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to perform the method for determining an information flow path according to the first aspect according to instructions of the program code.
A fourth aspect of the present application provides a storage medium for storing program code for executing the method for determining an information flow path according to the first aspect.
According to the technical scheme, the method has the following advantages:
the application provides a method for determining an information flow path, which comprises the following steps: s1, acquiring an information source port and an information sink port corresponding to power information to be transmitted in the power communication network and a first port establishing a line connection relation with the information source port; s2, judging whether the first port is the information sink port, if so, taking a transmission path between the first port and the information source port as an information flow path of the power information to be transmitted, and if not, executing a step S3; s3, judging whether the first port is a switch port, if so, determining a second port corresponding to the first port, and then executing a step S4, wherein the second port is a switch port except the first port on a switch where the first port is located; s4, obtaining a third port establishing a line connection relationship with the second port, and after the third port is used as a new first port, returning to step S2 until the new first port is the sink port, and using a transmission path among the source port, the first port, and the new first port as the information flow path.
In the application, for an information source port and an information sink port, namely, a start node and an end node of an information flow path, of power information to be transmitted in a power communication network, a first port, namely, a first intermediate node, which is connected to the information source port through a line is first found, whether the first port is the information sink port or not is judged, whether the intermediate node is the end node or not is judged, if yes, a transmission path between the first port and the information source port is used as the information flow path of the power information to be transmitted, if not, whether the first port is a switch port or not is further judged, if yes, a second port corresponding to the first port and a third port corresponding to the second port are determined, and then after the third port is used as a new first port, whether the new first port is the information sink port or not is returned to be judged until the new first port is the information sink port, and the information source port, the, The transmission path between the first port and the new first port is used as an information flow path, and the information flow path of the power information to be transmitted can be obtained through the process, so that the technical problem that the information flow path of the whole transmission process is not determined in the prior art when the power information is transmitted is solved.
Drawings
Fig. 1 is a schematic flowchart of a first embodiment of a method for determining an information flow path in an embodiment of the present application;
fig. 2 is a schematic flowchart of a second embodiment of a method for determining an information flow path in an embodiment of the present application;
fig. 3 is an application illustration diagram of a determination method of an information flow path in an embodiment of the present application;
fig. 4 is a schematic structural diagram of an embodiment of a device for determining an information flow path in an electric power communication network in an embodiment of the present application.
Detailed Description
The embodiment of the application provides a method, a device, equipment and a storage medium for determining an information flow path, and solves the technical problem that the information flow path in the whole transmission process is not determined in the prior art when power information is transmitted.
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For ease of understanding, a method for determining an information flow path in the present application is described in detail below.
Referring to fig. 1, fig. 1 is a schematic flowchart of a first embodiment of a method for determining an information flow path in an embodiment of the present application, which specifically includes:
It should be noted that, to determine an information flow path corresponding to power information to be transmitted, an information source port and an information sink port corresponding to the power information to be transmitted in the power communication network and a first port establishing a line connection relationship with the information source port are first obtained.
It is to be understood that the line connection relationship described in the present embodiment refers to a physical connection relationship connected by a wire, a transmission line, or the like.
And 102, judging whether the first port is a sink port, if so, executing a step 103, and otherwise, executing a step 104.
It should be noted that, when it is determined that the first port is the sink port, that is, it indicates that the information to be transmitted has been transmitted to the sink port, the transmission path between the source port and the first port may be used as an information flow path when the power information to be transmitted is transmitted, and if not, further determination is made.
And 103, taking the transmission path between the first port and the information source port as an information flow path of the power information to be transmitted.
And 104, judging whether the first port is a switch port, and if so, executing a step 105.
And 105, determining a second port corresponding to the first port, wherein the second port is a switch port except the first port on a switch where the first port is located.
It should be noted that, when the first port is not the sink port, when the to-be-transmitted power information reaches the first port, it is indicated that the to-be-transmitted power information is not transmitted to the sink port, the power information at this time is further transmitted, and if the first port is a switch port, the first port transmits the power information to other ports on the same switch, and then determines a second port corresponding to the first port.
And 106, acquiring a third port establishing a line connection relationship with the second port, taking the third port as a new first port, returning to the step 102 until the new first port is a sink port, and taking a transmission path among the information source port, the first port and the new first port as an information flow path.
When power information is transmitted through the second port, the power information is also transmitted through the line. Therefore, after acquiring the third port establishing the line connection relationship with the second port and taking the third port as the new first port, the process returns to step 102 to determine whether the new first port is the sink port.
In this embodiment, for an information source port and an information sink port, that is, a start node and a stop node of an information flow path, of power information to be transmitted in a power communication network, first of all, a first intermediate node is found, and then it is determined whether the first port is an information sink port, that is, whether the intermediate node is a stop node, if so, a transmission path between the first port and the information source port is used as the information flow path of the power information to be transmitted, if not, it is further determined whether the first port is a switch port, if so, a second port corresponding to the first port and a third port corresponding to the second port are determined, and then, after the third port is used as a new first port, it is determined whether the new first port is an information sink port until the new first port is an information sink port, and the information source port, the information sink port, and the information sink port are connected to the first intermediate node and the second port, The transmission path between the first port and the new first port is used as an information flow path, and the information flow path of the power information to be transmitted can be obtained through the process, so that the technical problem that the information flow path of the whole transmission process is not determined in the prior art when the power information is transmitted is solved.
The first embodiment of the method for determining an information flow path provided in the embodiments of the present application is described above, and the second embodiment of the method for determining an information flow path provided in the embodiments of the present application is described below.
Referring to fig. 2, a flowchart of a second embodiment of a method for determining an information flow path in an embodiment of the present application is shown, including:
It should be noted that, when information transmission is performed on one information source port for one piece of power information to be transmitted, one or more corresponding information sink ports may be provided.
It should be noted that step 202 is the same as step 102 in the first embodiment, and reference may be specifically made to the description of step 102, which is not described herein again.
And step 203, taking the transmission path between the first port and the information source port as an information flow path of the power information to be transmitted.
And step 205, determining a second port corresponding to the first port, wherein the second port is a switch port except the first port on a switch where the first port is located.
It should be noted that step 205 is the same as step 105 in the first embodiment, and reference may be specifically made to the description of step 105, which is not described herein again.
It should be noted that step 206 is the same as step 106 in the first embodiment, and reference may be specifically made to the description of step 106, which is not described herein again.
And step 207, traversing all the information source ports in the power communication network, and executing the steps 201 to 206 to obtain all the information flow paths corresponding to the power communication network.
It should be noted that, by performing the traversal from step 201 to step 206 on all source ports in the power communication network, all information flow paths of the whole power communication network when data is transmitted at different source ports can be obtained. In the traversal process, if the recorded information flow path number is equal to the number of the corresponding sink ports, it indicates that the information flow paths have been completely searched, and the traversal can be stopped.
In this embodiment, for an information source port and an information sink port, that is, a start node and a stop node of an information flow path, of power information to be transmitted in a power communication network, first of all, a first intermediate node is found, and then it is determined whether the first port is an information sink port, that is, whether the intermediate node is a stop node, if so, a transmission path between the first port and the information source port is used as the information flow path of the power information to be transmitted, if not, it is further determined whether the first port is a switch port, if so, a second port corresponding to the first port and a third port corresponding to the second port are determined, and then, after the third port is used as a new first port, it is determined whether the new first port is an information sink port until the new first port is an information sink port, and the information source port, the information sink port, and the information sink port are connected to the first intermediate node and the second port, The transmission path between the first port and the new first port is used as an information flow path, and the information flow path of the power information to be transmitted can be obtained through the process, so that the technical problem that the information flow path of the whole transmission process is not determined in the prior art when the power information is transmitted is solved.
In the second embodiment of the method for determining an information flow path provided in the embodiment of the present application, please refer to fig. 3 for an application example of the method for determining an information flow path in an electrical power communication network provided in the embodiment of the present application.
For the model of the 220kVD2-1 intelligent substation, the secondary wiring is simplified as shown in fig. 3.
In the figure, F1, F2, F3, F4, F5, F6, T1, T2 and S are all switches, wherein ports in each switch are numbered as shown in the figure, and a set of all switch ports is defined as a. Take GOOSE11 message (i.e. power information) of port No. 1 as an example. Its corresponding set of sink ports O1 ═ {2,29 }.
(1) Proceed to port 34, which is in line connection with port 1, forming path 1 → 34. Entering step (2) because of 34 ∈ A;
(2) proceeding to all other ports of the switch where 34 is located, the next port is reached 35, 36, 37. And then proceed to ports with line connections 35, 36, 37 to 2, 3, 75 respectively. To this end, all the routes are marked as pending routes, namely 1 → 34 → 35 → 2, 1 → 34 → 36 → 3, 1 → 34 → 37 → 75;
(3) for each port of the pending path: 2. 3, 75, respectively judging: because 2 belongs to O1, record the path 1 → 34 → 35 → 2 as the message path; because of the fact that
And is
Then port 3 in this pending path is not a sink port, delete pending path 1 → 34 → 36 → 3; because of the fact that
Port 75 is a port of a switch;
(4) repeating the step (2), and proceeding to all other ports of the switch where the port 75 is located, then reaching the ports 74, 76, 77, 78, 79, 80, 81, 82, 83, 84. And then proceeds to ports to which it is wired, respectively, to ports 51, 41, 45, 61, 55, 73, 30, 29, 69, 65, respectively. To this end, the routes that all pass are marked as the tentative routes 1 → 34 → 37 → 75 → 74 → 51, 1 → 34 → 37 → 75 → 41, 1 → 34 → 37 → 75 → 77 → 45, 1 → 34 → 37 → 75 → 78 → 61, 1 → 34 → 37 → 75 → 55, 1 → 34 → 37 → 80 → 73, 1 → 34 → 37 → 81 → 30, 1 → 34 → 37 → 75 → 82 → 29, 1 → 34 → 37 → 83 → 69, 1 → 34 → 37 → 84 → 65;
(5) repeating the step (3), and aiming at the port of each pending path: 51. 41, 45, 61, 55, 73, 30, 29, 69, 65, respectively: because 51, 41, 45, 61, 55 and 73 all belong to A, the method of step (2) is to be repeated; because of the fact that
And is
Then the port 30 in this pending path is not a sink port, delete pending path 1 → 34 → 37 → 75 → 81 → 30; because 29 ∈ O1, the recording path 1 → 34 → 37 → 75 → 82 → 29 is a message path. So far, the number of recorded message paths is 2, 1 → 34 → 37 → 75 → 82 → 29, 1 → 34 → 35 → 2, and is equal to the number 2 of elements in O1 ═ 2,29, so that the traversal is terminated, and the path table of GOOSE11 message shown in table 1 below is obtained.
TABLE 1
In the second embodiment of the method for determining an information flow path provided in the embodiment of the present application, please refer to fig. 4 for the second embodiment of the apparatus for determining an information flow path in an electrical power communication network provided in the embodiment of the present application.
A first obtaining unit 401, configured to obtain an information source port and an information sink port corresponding to power information to be transmitted in a power communication network, and a first port establishing a line connection relationship with the information source port;
a first determining unit 402, configured to determine whether the first port is a sink port, if so, use a transmission path between the first port and the source port as an information flow path of the to-be-transmitted power information, and if not, trigger a second determining unit 403;
a second judging unit 403, configured to judge whether the first port is a switch port, and if so, after determining a second port corresponding to the first port, trigger the returning unit 404, where the second port is a switch port on the switch where the first port is located, except for the first port;
a second obtaining unit 404, configured to obtain a third port that establishes a line connection relationship with the second port, and after the third port is used as a new first port, trigger the first determining unit until the new first port is a sink port, and use a transmission path between the source port, the first port, and the new first port as an information flow path.
Optionally, the number of sink ports is one.
Optionally, the number of sink ports is plural.
Optionally, the method further comprises:
the traversal unit 405 is configured to traverse the trigger acquisition unit 401, the first determination unit 402, the second determination unit 403, and the second acquisition unit 404 for all source ports in the power communication network to obtain all information flow paths corresponding to the power communication network.
In this embodiment, for an information source port and an information sink port, that is, a start node and a stop node of an information flow path, of power information to be transmitted in a power communication network, first of all, a first intermediate node is found, and then it is determined whether the first port is an information sink port, that is, whether the intermediate node is a stop node, if so, a transmission path between the first port and the information source port is used as the information flow path of the power information to be transmitted, if not, it is further determined whether the first port is a switch port, if so, a second port corresponding to the first port and a third port corresponding to the second port are determined, and then, after the third port is used as a new first port, it is determined whether the new first port is an information sink port until the new first port is an information sink port, and the information source port, the information sink port, and the information sink port are connected to the first intermediate node and the second port, The transmission path between the first port and the new first port is used as an information flow path, and the information flow path of the power information to be transmitted can be obtained through the process, so that the technical problem that the information flow path of the whole transmission process is not determined in the prior art when the power information is transmitted is solved.
The embodiment of the present application further provides a device for determining an information flow path, including: a processor and a memory; the memory is used for storing the program codes and transmitting the program codes to the processor; the processor is configured to execute the method for determining an information flow path according to the first embodiment or the second embodiment according to an instruction of the program code.
A fourth aspect of the present application provides a storage medium for storing a program code for executing the method for determining an information flow path of the first embodiment or the second embodiment.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another grid network to be installed, or some features may be omitted or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A method for determining an information stream path, comprising the steps of:
s1, acquiring an information source port and an information sink port corresponding to power information to be transmitted in the power communication network and a first port establishing a line connection relation with the information source port;
s2, judging whether the first port is the information sink port, if so, taking a transmission path between the first port and the information source port as an information flow path of the power information to be transmitted, and if not, executing a step S3;
s3, judging whether the first port is a switch port, if so, determining a second port corresponding to the first port, and then executing a step S4, wherein the second port is a switch port except the first port on a switch where the first port is located;
s4, obtaining a third port establishing a line connection relationship with the second port, and after the third port is used as a new first port, returning to step S2 until the new first port is the sink port, and using a transmission path among the source port, the first port, and the new first port as the information flow path.
2. The method of claim 1, wherein the number of sink ports is one.
3. The method of claim 1, wherein the number of sink ports is plural.
4. The method for determining the information flow path according to claim 1, wherein the step S4 is followed by further comprising:
s5, traversing all source ports in the power communication network to execute the steps S1 to S4, and obtaining all information flow paths corresponding to the power communication network.
5. An apparatus for determining an information flow path, comprising:
the first acquisition unit is used for acquiring an information source port and an information sink port corresponding to power information to be transmitted in a power communication network and a first port establishing a line connection relation with the information source port;
a first judging unit, configured to judge whether the first port is the sink port, if so, use a transmission path between the first port and the source port as an information flow path of the to-be-transmitted power information, and if not, trigger a second judging unit;
the second judging unit is used for judging whether the first port is a switch port, if so, after determining a second port corresponding to the first port, triggering the return unit, wherein the second port is a switch port except the first port on a switch where the first port is located;
and the second acquiring unit is used for acquiring a third port establishing a line connection relationship with the second port, and triggering the first judging unit after the third port is used as a new first port until the new first port is the information sink port, and using a transmission path among the information source port, the first port and the new first port as the information flow path.
6. The apparatus of claim 5, wherein the number of sink ports is one.
7. The apparatus of claim 5, wherein the number of sink ports is plural.
8. The apparatus for determining information flow path according to claim 5, further comprising:
and the traversing unit is used for triggering the first acquiring unit, the first judging unit, the second judging unit and the second acquiring unit to traverse all the information source ports in the power communication network to obtain all the information flow paths corresponding to the power communication network.
9. An apparatus for determining an information flow path, comprising: a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the method for determining an information flow path according to any one of claims 1 to 4 according to instructions of the program code.
10. A storage medium for storing a program code for performing the method of determining an information flow path according to any one of claims 1 to 4.
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| CN114900460A (en) * | 2022-07-13 | 2022-08-12 | 广东电网有限责任公司珠海供电局 | Method and device for searching information flow path in power network |
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| US20170118108A1 (en) * | 2015-10-27 | 2017-04-27 | Futurewei Technologies, Inc. | Real Time Priority Selection Engine for Improved Burst Tolerance |
| CN109768928A (en) * | 2019-03-29 | 2019-05-17 | 中山大学 | Source routing method based on agreement unaware forwarding and virtual topology |
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| CN114900460A (en) * | 2022-07-13 | 2022-08-12 | 广东电网有限责任公司珠海供电局 | Method and device for searching information flow path in power network |
| CN114900460B (en) * | 2022-07-13 | 2022-10-04 | 广东电网有限责任公司珠海供电局 | Method and device for searching information flow path in power network |
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