CN112911671B - Method and device for constructing topology networking architecture - Google Patents
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Abstract
The application relates to a method and a device for constructing a topology networking architecture, wherein the method comprises the following steps: acquiring an original topological networking architecture of the wireless mesh network; acquiring terminal father nodes with the number of the connected terminal leaf nodes exceeding a target value from the terminal original father nodes to obtain candidate paths, wherein the terminal leaf nodes are leaf nodes with the number of multiple hops reaching a threshold value in the original leaf nodes connected with the terminal original father nodes, and the candidate paths are paths from the terminal father nodes to the original root nodes; acquiring a target node of which the signal intensity reaches a signal intensity threshold value from an original father node included in the candidate path; and constructing a target topology networking architecture corresponding to the wireless mesh network by taking the target node as a target root node. The method and the device solve the technical problem that the reliability of the topological networking architecture in the related technology is low.
Description
Technical Field
The present application relates to the field of computers, and in particular, to a method and an apparatus for constructing a topology networking architecture.
Background
In the wireless mesh network, each device in the wireless mesh network can perform network communication by connecting the root node device with the router device, and the current method for constructing the topological networking architecture of the wireless mesh network is constructed based on the signal intensity of the device, so that the reference basis of the method is single, and the reliability of the constructed topological networking architecture of the wireless mesh network is low.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The application provides a method and a device for constructing a topology networking architecture, which are used for at least solving the technical problem of low reliability of the topology networking architecture in the related technology.
According to an aspect of an embodiment of the present application, a method for constructing a topology networking architecture is provided, including:
acquiring an original topology networking architecture of a wireless mesh network, wherein the original topology networking architecture comprises an original root node connected with a routing device, one or more layers of original father nodes connected with the original root node, and an original leaf node connected with the most tail end original father node in the one or more layers of original father nodes;
acquiring a terminal father node of which the node number of a connected terminal leaf node exceeds a target value from the terminal original father node to obtain a candidate path, wherein the terminal leaf node is a leaf node of which the multi-hop number reaches a multi-hop number threshold value in the original leaf nodes connected with the terminal original father node, and the candidate path is a path from the terminal father node to the original root node;
acquiring a target node of which the signal intensity reaches a signal intensity threshold value from an original parent node included in the candidate path;
and constructing a target topology networking architecture corresponding to the wireless mesh network by taking the target node as a target root node, wherein the target topology networking architecture comprises the target root node connected with the routing equipment, one or more layers of target parent nodes connected with the target root node, and a target leaf node connected with the target parent node at the tail end of the one or more layers of target parent nodes.
Optionally, obtaining, from the endmost original parent node, an end parent node of which the number of connected end leaf nodes exceeds a target value, and obtaining the candidate path includes:
acquiring the multi-hop number of each original leaf node connected with the original father node at the tail end;
determining the node number of the tail end leaf node connected with each tail end original father node according to the multi-hop number;
acquiring the tail end father nodes of which the number of the nodes exceeds the target numerical value from the tail end original father nodes;
determining a path from the end parent node to the original root node as the candidate path.
Optionally, the obtaining, from the original parent node included in the candidate path, a target node whose signal strength reaches a signal strength threshold includes:
acquiring a candidate father node of which the signal strength is higher than or equal to a signal strength threshold value from the original father node included in the candidate path;
determining one of the candidate parent nodes as the target node.
Optionally, determining one of the candidate parent nodes as the target node comprises:
determining the candidate parent node as the target node in case that only one parent node is included in the candidate parent node;
and in the case that the candidate parent node comprises a plurality of parent nodes, determining a parent node with the strongest signal strength in the plurality of parent nodes as the target node, or determining a random one of the plurality of parent nodes as the target node.
Optionally, after obtaining the original topology networking architecture of the wireless mesh network, the method further includes:
and displaying the original topological networking architecture on a client, wherein each device in the original topological networking architecture is displayed on the original topological networking architecture.
Optionally, displaying the original topology networking architecture on the client includes at least one of:
displaying each device in the original topology networking architecture according to the proportion of the actual distance between the devices;
displaying first prompt information on the original topological networking architecture, wherein the first prompt information is used for prompting the signal strength of one or more devices in the original topological networking architecture;
and displaying second prompt information on the original topological networking architecture, wherein the second prompt information is used for prompting equipment with signal strength higher than or equal to a signal strength threshold value in the original topological networking architecture.
Optionally, the obtaining of the original topology networking architecture of the wireless mesh network includes:
acquiring the primitive root node from the equipment included in the wireless mesh network;
and constructing or pre-estimating a topology networking architecture of the wireless mesh network based on the original root node to serve as the original topology networking architecture.
According to another aspect of the embodiments of the present application, there is also provided a device for constructing a topology networking architecture, including:
a first obtaining module, configured to obtain an original topology networking architecture of a wireless mesh network, where the original topology networking architecture includes an original root node connected to a routing device, one or more layers of original parent nodes connected to the original root node, and an original leaf node connected to an original parent node at a rearmost end of the one or more layers of original parent nodes;
a second obtaining module, configured to obtain, from the endmost original parent node, an end parent node whose node number of connected end leaf nodes exceeds a target value, to obtain a candidate path, where the end leaf node is a leaf node whose multi-hop number reaches a multi-hop number threshold in original leaf nodes connected to the endmost original parent node, and the candidate path is a path from the end parent node to the original root node;
a third obtaining module, configured to obtain, from an original parent node included in the candidate path, a target node whose signal strength reaches a signal strength threshold;
a building module, configured to build a target topology networking architecture corresponding to the wireless mesh network by using the target node as a target root node, where the target topology networking architecture includes the target root node connected to the routing device, one or more layers of target parent nodes connected to the target root node, and a target leaf node connected to a target parent node at an end of the one or more layers of target parent nodes.
According to another aspect of the embodiments of the present application, there is also provided a storage medium including a stored program which, when executed, performs the above-described method.
According to another aspect of the embodiments of the present application, there is also provided an electronic device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the above method through the computer program.
In the embodiment of the application, an original topology networking architecture for acquiring the wireless mesh network is adopted, wherein the original topology networking architecture comprises an original root node connected with a routing device, one or more layers of original father nodes connected with the original root node, and an original leaf node connected with the most tail end original father node in the one or more layers of original father nodes; acquiring terminal father nodes with the number of the connected terminal leaf nodes exceeding a target value from the terminal original father nodes to obtain candidate paths, wherein the terminal leaf nodes are leaf nodes with the number of multiple hops reaching a threshold value in the original leaf nodes connected with the terminal original father nodes, and the candidate paths are paths from the terminal father nodes to the original root nodes; acquiring a target node of which the signal intensity reaches a signal intensity threshold value from an original father node included in the candidate path; constructing a target topological networking architecture corresponding to the wireless mesh network by taking a target node as a target root node, wherein the target topological networking architecture comprises a target root node connected with a routing device, one or more layers of target father nodes connected with the target root node and a target leaf node connected with the final target father node in the one or more layers of target father nodes, the target topological networking architecture is obtained by taking the original topological networking architecture of the wireless mesh network, selecting the final father node from the final father nodes in the original topological networking architecture according to the number of the final leaf nodes connected with the final original father nodes, taking the path from the final father node to the original root node as a candidate path, and constructing the topological networking architecture for the wireless king network again by taking the target node with the signal intensity reaching the signal intensity threshold value in the original father nodes included in the candidate path as the target root node, therefore, a new topological networking architecture can be created by electing the root node according to the influence factors of multiple dimensions on the topological networking architecture, the purpose that the sub-equipment which is at a proper distance from the router and the remote sub-equipment and can ensure reliable connection can participate in election of the root node although the signal strength is slightly low is achieved, the technical effect of improving the reliability of the topological networking architecture is achieved, and the technical problem that the reliability of the topological networking architecture in the related technology is low is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic diagram of a hardware environment of a method for constructing a topology networking architecture according to an embodiment of the present application;
fig. 2 is a flowchart of an alternative method for constructing a topology networking architecture according to an embodiment of the present application;
fig. 3 is a schematic diagram of device connections for a wireless mesh network according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a re-election root node to build a topology networking architecture in accordance with an alternative embodiment of the present application;
fig. 5 is a schematic diagram of an alternative topology networking architecture construction apparatus according to an embodiment of the present application;
fig. 6 is a block diagram of an electronic device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, 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 partial embodiments of the present application, but not all 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.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an aspect of the embodiments of the present application, an embodiment of a method for constructing a topology networking architecture is provided.
Alternatively, in this embodiment, the above-described method for constructing a topology networking architecture may be applied to a hardware environment formed by the terminal 101 and the server 103 as shown in fig. 1. As shown in fig. 1, a server 103 is connected to a terminal 101 through a network, which may be used to provide services (such as game services, application services, etc.) for the terminal or a client installed on the terminal, and a database may be provided on the server or separately from the server for providing data storage services for the server 103, and the network includes but is not limited to: the terminal 101 is not limited to a PC, a mobile phone, a tablet computer, and the like. The method for constructing the topology networking architecture according to the embodiment of the present application may be executed by the server 103, or may be executed by the terminal 101, or may be executed by both the server 103 and the terminal 101. The method for the terminal 101 to construct the topology networking architecture according to the embodiment of the present application may be executed by a client installed thereon.
Fig. 2 is a flowchart of a method for constructing an alternative topology networking architecture according to an embodiment of the present application, and as shown in fig. 2, the method may include the following steps:
step S202, an original topology networking architecture of the wireless mesh network is obtained, wherein the original topology networking architecture comprises an original root node connected with a routing device, one or more layers of original father nodes connected with the original root node, and an original leaf node connected with the original father node at the tail end in the one or more layers of original father nodes;
step S204, acquiring a terminal father node of which the node number of a connected terminal leaf node exceeds a target value from the terminal original father node to obtain a candidate path, wherein the terminal leaf node is a leaf node of which the multi-hop number reaches a multi-hop number threshold value in original leaf nodes connected with the terminal original father node, and the candidate path is a path from the terminal father node to the original root node;
step S206, obtaining a target node with signal intensity reaching a signal intensity threshold from an original father node included in the candidate path;
step S208, with the target node as a target root node, constructing a target topology networking architecture corresponding to the wireless mesh network, where the target topology networking architecture includes the target root node connected to the routing device, one or more layers of target parent nodes connected to the target root node, and a target leaf node connected to a target parent node at the end of the one or more layers of target parent nodes.
Through the steps S202 to S208, the original topological networking architecture of the wireless mesh network is obtained, the end parent nodes are elected from the most terminal parent nodes of the original topological networking architecture according to the number of the end leaf nodes connected by each most terminal original parent node, the path between the end parent node and the original root node is used as a candidate path, the target node with the signal strength reaching the signal strength threshold value in the original parent nodes included in the candidate path is used as a target root node to construct the topological networking architecture for the wireless queen network again, so that the new topological networking architecture can be created by electing the root node by referring to the influencing factors of the topological networking architecture from multiple dimensions, and the purpose that the child devices which are moderate in distance from the router and the remote child devices and can ensure reliable connection can participate in election of the root node even though the signal strength is slightly low is achieved, therefore, the technical effect of improving the reliability of the topology networking architecture is achieved, and the technical problem that the reliability of the topology networking architecture is low in the related technology is solved.
In the technical solution provided in step S202, the wireless Mesh network may include, but is not limited to, a wireless Mesh network, which is also called a "multi-hop" network, and is a new wireless network technology completely different from a conventional wireless network. In a conventional Wireless Local Area Network (WLAN), each client accesses network users via a wireless link to an Access Point (AP), and if communication is to be performed with each other, a fixed access point must be accessed first, and this network structure is called a single hop network. In the wireless Mesh network, any wireless device node can simultaneously serve as an AP and a router, each node in the network can send and receive signals, and each node can directly communicate with one or more peer nodes. The greatest benefit of this architecture is that if the nearest AP is congested due to excessive traffic, the data can be automatically rerouted to a neighboring node with less traffic for transmission. And so on, the data packet can be further routed to the next node closest to the data packet according to the condition of the network for transmission until the final destination is reached. Such an access method is a multi-hop access.
Fig. 3 is a schematic diagram of device connection of a wireless Mesh network according to an embodiment of the present application, and as shown in fig. 3, there are three types of nodes of a Mesh network: root node, parent node and leaf node. The root node and the father node have a data forwarding function and can be connected with Mesh equipment to expand the network scale, the leaf nodes do not have the data forwarding function and do not have the network expansion function, and the Mesh network is connected with the router through the root node to access the Internet. The Mesh network has a tree topology, and the direction of the arrow shown in fig. 3 can represent the connection relationship. The root node is used as the only exit which can access the external network in the Mesh network, the signal strength of the root node and the router can be higher, so that reliable Wi-Fi connection is kept, and the sub-equipment under the root node can successfully interact data with the Internet.
Optionally, in this embodiment, the original topological networking architecture of the wireless mesh network may be, but is not limited to, a topological networking architecture including first networking of the wireless mesh network, or may also be an estimated topological networking architecture of the wireless mesh network.
As an alternative embodiment, in the step S202, the original topology networking architecture of the wireless mesh network may be obtained by, but is not limited to, the following manners:
s11, acquiring the primitive root node from the device included in the wireless mesh network;
s12, constructing or estimating the topology networking architecture of the wireless mesh network as the original topology networking architecture based on the original root node.
Optionally, in this embodiment, the original root node selected by the original topological networking architecture may be, but is not limited to, a device with the highest signal strength, that is, the original root node may be selected according to the signal strength, and the original topological networking architecture may be estimated, or networking may be performed for the first time to obtain the original topological networking architecture.
In the technical solution provided in step S204, the end leaf node is a leaf node whose multi-hop count reaches a multi-hop count threshold value in original leaf nodes connected to an end-most original parent node, where the multi-hop count threshold value may be, but is not limited to, the maximum multi-hop count of the wireless mesh network, and may also be, but is not limited to, less than the maximum multi-hop count, and the maximum multi-hop count of the wireless mesh network may be, but is not limited to, a preset parameter that defines how many levels at most can be in the wireless mesh network.
Optionally, in this embodiment, the original parent node whose node number of the connected end leaf node exceeds the target value is used as the end parent node, so that a path where a node with uneven multi-hop count exists in the nodes can be found as a candidate path to reselect the root node, thereby improving the uneven multi-hop count.
As an alternative embodiment, in the step S204, the candidate path may be obtained by, but not limited to, obtaining the end parent node whose number of connected end leaf nodes exceeds the target value from the end original parent node by the following manner:
s21, acquiring the multi-hop number of each original leaf node connected with the original father node at the tail end;
s22, determining the node number of the end leaf node connected with each end original father node according to the multi-hop number;
s23, acquiring the tail end father node with the node quantity exceeding the target value from the tail end original father node.
Optionally, in this embodiment, the target value may be, but is not limited to, determined by wifi mesh chip performance, and may be, for example, 3.
Alternatively, in the present embodiment, the maximum number of multi-hops may refer To, but is not limited To, the number of multi-hops of a device with the minimum TTL (Time To Live) in the wireless mesh network.
Optionally, in this embodiment, when there is an original parent node whose number of connected end leaf nodes exceeds a target value, it may be determined that the wireless mesh network needs to perform reselection of the root node, and a reselection request may be generated and sent to all nodes to notify the operation of reselection, where the reselection request may be, but is not limited to, initiated by the original root node and sent to all nodes by broadcasting.
In the technical solution provided in step S206, the condition that the signal strength reaches the signal strength threshold may be, but is not limited to, set as the strongest signal strength, or the signal strength is higher than a certain strength value, and so on.
Optionally, in this embodiment, the original parent node on the candidate path is a child device that has a moderate distance from the router and a remote child device in the network and can ensure reliable connection, and a device with stronger or strongest signal strength is selected from such child devices as a new root node to construct the network, so that it can be ensured that the hierarchical relationship in the network is more uniform and the reliability is stronger.
Optionally, in this embodiment, the number of end leaf nodes connected to the parent node and the signal strength of the candidate parent node are simultaneously referred to select a new root node, so that it can be avoided that spatially remote from the router and bundled child devices are largely simultaneously located at the end layer and connected to the same parent node, and under the condition that the load of each parent node of the link is too large and the number of hops of the leaf nodes is large, the throughput performance is greatly reduced, and the throughput performance of the network can be effectively improved.
As an alternative embodiment, in step S206, a target node whose signal strength reaches the signal strength threshold may be obtained from the original parent node included in the candidate path, but is not limited to the following manner:
s31, obtaining candidate father nodes with signal intensity higher than or equal to the signal intensity threshold value from the original father nodes included in the candidate paths;
s32, determining one of the candidate parent nodes as the target node.
Optionally, in this embodiment, all the mesh sub-devices broadcast and transmit the signal strengths of the mesh sub-devices and the router, where the first type of sub-devices and the second type of sub-devices are included, the first type of sub-devices and the second type of sub-devices are far away from the router or the physical grid causes excessive signal attenuation. In a general wifi network, the first type of sub-device cannot be normally connected to use the wifi function in the scene, and the second type of sub-device can use the wifi function but has different communication quality. The candidate parent node may be, but is not limited to, a device of the second type of child device having a signal strength greater than or equal to a signal strength threshold.
Alternatively, in the present embodiment, the signal strength may refer to, but is not limited to, signal reception strength (Rx), and the unit may be dBm. The signal strength threshold may be, but is not limited to, -75dBm, and the like.
As an alternative embodiment, in the step S206, one parent node of the candidate parent nodes may also be determined as the target node by, but not limited to:
s41, determining the candidate parent node as the target node if only one parent node is included in the candidate parent node;
s42, when the candidate parent node includes a plurality of parent nodes, determining a parent node with the strongest signal strength among the plurality of parent nodes as the target node, or determining a random one of the plurality of parent nodes as the target node.
Optionally, in this embodiment, if there is only one candidate parent node, it is directly determined as the target node, and if there are multiple candidate parent nodes, one of the candidate parent nodes may be selected as the target node. The selection mode may be to select the parent node with the highest signal strength as the target node according to the signal strength, or may be randomly selected.
In the technical solution provided in step S208, after the target node is obtained, the target node may be directly used as a target root node to construct a target topology networking architecture corresponding to the wireless mesh network. Alternatively, it can be provided to the user as a reference, and the user decides whether to reconstruct the topology networking architecture.
Optionally, in this embodiment, after the original topology networking architecture is obtained, the original topology networking architecture may be displayed to a user through a client.
As an alternative embodiment, after the step S202, the original topology networking architecture may be shown by, but not limited to, the following ways:
s51, displaying the original topology networking architecture on the client, wherein each device in the original topology networking architecture is displayed on the original topology networking architecture.
Alternatively, in this embodiment, a client having a function of constructing a topology networking architecture may be provided, the original topology networking architecture is displayed on the client, and whether to perform the networking again is confirmed by a user.
As an alternative embodiment, at least one of the following contents may be displayed on the original topology networking architecture, but not limited to:
s61, displaying each device in the original topology networking architecture according to the proportion of the actual distance between the devices;
s62, displaying first prompt information on the original topology networking architecture, wherein the first prompt information is used for prompting the signal strength of one or more devices in the original topology networking architecture;
and S63, displaying second prompt information on the original topology networking architecture, wherein the second prompt information is used for prompting the equipment with the signal intensity higher than or equal to the signal intensity threshold value in the original topology networking architecture.
Optionally, in this embodiment, the proportion of the actual distance between the devices can intuitively show the density of the devices in the network, so as to provide more referential networking information for the user.
Optionally, in this embodiment, the first prompting information is used to prompt signal strength of one or more devices in the original topology networking architecture, and may prompt signal strength of each device, or prompt signal strength of a part of devices, where the part of devices may be displayed at a position corresponding to the device, or may be added to a display form corresponding to the device (for example, the device is displayed in a card form, and the first prompting information is displayed on a device card as a prompting item).
Optionally, in this embodiment, the second prompting information is used to prompt a device in the original topology networking architecture, where the signal strength is higher than or equal to the signal strength threshold, and a user may select a new root node for networking according to a requirement.
In an optional embodiment, an application software-based root node election process is provided, all Mesh sub-devices can be displayed through an intelligent terminal App, and a user is allowed to select a root node according to knowledge of spatial distance and device density. The signal strength information of the equipment can be returned on the page, and the judgment of the user is assisted by numerical value display or icons or character descriptions with the numerical value size capable of being compared, for example, the sub-equipment in the target interval is marked with a recommendation root node. After the first topology is formed, the topology information is uploaded to the server and then transmitted to the APP, and a card corresponding to the device is formed for election.
Fig. 4 is a schematic diagram of a topology networking architecture constructed by re-electing a root node according to an optional embodiment of the present invention, and as shown in fig. 4, after an estimated topology is formed (i.e., after the hierarchy of each sub-device is determined and associated), networking is not performed directly, but analysis is performed according to a path in the estimated topology. Or the analysis can be carried out according to the path in the network immediately after the topology is formed for the first time and the networking is finished. Taking the first topology as an example, the original root node has complete topology information, and determines whether there is a case where the multi-hop number is uneven, that is, there are more than N (where N may be determined according to the wifi mesh chip performance, for example, 3) most hops (where the most hops refer to the multi-hop number with the minimum TTL in this network, and it is assumed that TTL1 is W) child devices are simultaneously connected to a parent node, and TTL2 is W +1 of the parent node. When the condition exists, the path of the father node is locked, the root node is reselected, and a reselection request can be initiated by the original root node and is broadcast and sent to all nodes. At this time, the second type of sub-devices may be divided into a first interval and a second interval according to the signal strength (Rx, in dBm) between the device and the router, and the sub-devices with Rx in the first interval (Rx > -75) are qualified to be elected as root nodes, which are called candidate nodes. At this time, the child devices in the first interval do not compare Rx any more and are considered as equivalent candidate nodes. And if one or more father nodes in the locked path have father nodes in the first interval, selecting the father nodes to create a target topological networking architecture for the new target root node.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
Through the above description of the embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but the former is a better implementation mode in many cases. Based on such understanding, the technical solutions of the present application may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling an electronic device (such as a mobile phone, a computer, a server, or a network device) to execute the method according to the embodiments of the present application.
According to another aspect of the embodiment of the present application, there is also provided a device for constructing a topology networking architecture, which is used for implementing the method for constructing a topology networking architecture. Fig. 5 is a schematic diagram of an alternative topology networking architecture construction apparatus according to an embodiment of the present application, and as shown in fig. 5, the apparatus may include:
a first obtaining module 52, configured to obtain an original topology networking architecture of a wireless mesh network, where the original topology networking architecture includes an original root node connected to a routing device, one or more layers of original parent nodes connected to the original root node, and an original leaf node connected to an original parent node at a rearmost end of the one or more layers of original parent nodes;
a second obtaining module 54, configured to obtain, from the endmost original parent node, an end parent node whose node number of connected end leaf nodes exceeds a target value, to obtain a candidate path, where the end leaf node is a leaf node whose multi-hop number reaches a multi-hop number threshold in original leaf nodes connected to the endmost original parent node, and the candidate path is a path from the end parent node to the original root node;
a third obtaining module 56, configured to obtain, from an original parent node included in the candidate path, a target node whose signal strength reaches a signal strength threshold;
a constructing module 58, configured to construct a target topology networking architecture corresponding to the wireless mesh network, with the target node as a target root node, where the target topology networking architecture includes the target root node connected to the routing device, one or more layers of target parent nodes connected to the target root node, and a target leaf node connected to an endmost target parent node of the one or more layers of target parent nodes.
It should be noted that the first obtaining module 52 in this embodiment may be configured to execute step S202 in this embodiment, the second obtaining module 54 in this embodiment may be configured to execute step S204 in this embodiment, the third obtaining module 56 in this embodiment may be configured to execute step S206 in this embodiment, and the constructing module 58 in this embodiment may be configured to execute step S208 in this embodiment.
It should be noted here that the modules described above are the same as the examples and application scenarios implemented by the corresponding steps, but are not limited to the disclosure of the above embodiments. It should be noted that the modules described above as a part of the apparatus may operate in a hardware environment as shown in fig. 1, and may be implemented by software or hardware.
Through the modules, the original topological networking architecture of the wireless mesh network is obtained, the terminal father nodes are selected from the father nodes at the tail ends of the original topological networking architecture according to the number of the node of the tail end leaf node connected with each tail end original father node, the path between each terminal father node and each original root node is used as a candidate path, the target node with the signal intensity reaching the signal intensity threshold value in the original father nodes included in the candidate paths is used as the target root node to construct the topological networking architecture for the wireless Wangzang network again, so that the new topological networking architecture can be created by selecting the root node according to the influence factors of multiple dimensions on the topological networking architecture, the purpose that the children devices which are in proper distance with a router and remote children devices and can be reliably connected can participate in the selection of the root node although the signal intensity is slightly low is achieved, and the technical effect of improving the reliability of the topological networking architecture is achieved, and the technical problem of lower reliability of a topological networking architecture in the related technology is solved.
As an alternative embodiment, the second obtaining module includes:
a first obtaining unit, configured to obtain a multi-hop number of each original leaf node to which the original parent node at the end is connected;
a first determining unit, configured to determine, according to the multi-hop number, a node number of the end leaf node to which each end-most original parent node is connected;
a second obtaining unit, configured to obtain, from the endmost original parent node, the end parent node whose number of nodes exceeds the target value;
a second determining unit, configured to determine a path from the end parent node to the root node as the candidate path.
As an alternative embodiment, the third obtaining module includes:
a third obtaining unit, configured to obtain, from an original parent node included in the candidate path, a candidate parent node whose signal strength is higher than or equal to a signal strength threshold;
a third determining unit configured to determine one of the candidate parent nodes as the target node.
As an alternative embodiment, the third determining unit is configured to:
determining the candidate parent node as the target node in case that only one parent node is included in the candidate parent node;
and in the case that the candidate parent node comprises a plurality of parent nodes, determining a parent node with the strongest signal strength in the plurality of parent nodes as the target node, or determining a random one of the plurality of parent nodes as the target node.
As an alternative embodiment, the apparatus further comprises:
the display module is configured to display an original topology networking architecture of the wireless mesh network after acquiring the original topology networking architecture, where each device in the original topology networking architecture is displayed on the original topology networking architecture.
As an alternative embodiment, the display module is used for at least one of:
displaying each device in the original topology networking architecture according to the proportion of the actual distance between the devices;
displaying first prompt information on the original topological networking architecture, wherein the first prompt information is used for prompting the signal strength of one or more devices in the original topological networking architecture;
and displaying second prompt information on the original topological networking architecture, wherein the second prompt information is used for prompting equipment with signal strength higher than or equal to a signal strength threshold value in the original topological networking architecture.
As an alternative embodiment, the first obtaining module includes:
a fourth obtaining unit, configured to obtain the primitive root node from a device included in the wireless mesh network;
and the processing unit is used for constructing or estimating a topology networking architecture of the wireless mesh network as the original topology networking architecture based on the original root node.
It should be noted here that the modules described above are the same as the examples and application scenarios implemented by the corresponding steps, but are not limited to the disclosure of the above embodiments. It should be noted that the modules described above as a part of the apparatus may be operated in a hardware environment as shown in fig. 1, and may be implemented by software, or may be implemented by hardware, where the hardware environment includes a network environment.
According to another aspect of the embodiment of the present application, there is also provided an electronic apparatus for implementing the method for constructing a topology networking architecture.
Fig. 6 is a block diagram of an electronic device according to an embodiment of the present application, and as shown in fig. 6, the electronic device may include: one or more processors 601 (only one of which is shown), a memory 603, and a transmission 605. as shown in fig. 6, the electronic apparatus may further include an input-output device 607.
The memory 603 may be configured to store software programs and modules, such as program instructions/modules corresponding to the method and apparatus for constructing a topology networking architecture in the embodiment of the present application, and the processor 601 executes various functional applications and data processing by running the software programs and modules stored in the memory 603, that is, implements the above-described method for constructing a topology networking architecture. The memory 603 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 603 may further include memory located remotely from the processor 601, which may be connected to the electronic device through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The above-mentioned transmission device 605 is used for receiving or sending data via a network, and may also be used for data transmission between a processor and a memory. Examples of the network may include a wired network and a wireless network. In one example, the transmission device 605 includes a Network adapter (NIC) that can be connected to a router via a Network cable and other Network devices to communicate with the internet or a local area Network. In one example, the transmission device 605 is a Radio Frequency (RF) module, which is used for communicating with the internet in a wireless manner.
Among them, the memory 603 is used to store an application program, in particular.
The processor 601 may call the application stored in the memory 603 through the transmission device 605 to perform the following steps:
acquiring an original topology networking architecture of a wireless mesh network, wherein the original topology networking architecture comprises an original root node connected with a routing device, one or more layers of original father nodes connected with the original root node, and an original leaf node connected with the most tail end original father node in the one or more layers of original father nodes;
acquiring a terminal father node of which the node number of a connected terminal leaf node exceeds a target value from the terminal original father node to obtain a candidate path, wherein the terminal leaf node is a leaf node of which the multi-hop number reaches a multi-hop number threshold value in the original leaf nodes connected with the terminal original father node, and the candidate path is a path from the terminal father node to the original root node;
acquiring a target node of which the signal intensity reaches a signal intensity threshold value from an original parent node included in the candidate path;
and constructing a target topology networking architecture corresponding to the wireless mesh network by taking the target node as a target root node, wherein the target topology networking architecture comprises the target root node connected with the routing equipment, one or more layers of target parent nodes connected with the target root node, and a target leaf node connected with the target parent node at the tail end of the one or more layers of target parent nodes.
By adopting the embodiment of the application, a scheme for constructing a topology networking architecture is provided. By obtaining an original topological networking architecture of the wireless mesh network, electing terminal father nodes from the most terminal father nodes of the original topological networking architecture according to the number of the terminal leaf nodes connected with each most terminal original father node, taking the paths between the terminal father nodes and the original root nodes as candidate paths, and establishing a topological networking architecture for the wireless Wangzhe network again by taking a target node with signal intensity reaching a signal intensity threshold value in the original father nodes included in the candidate paths as a target root node, a new topological networking architecture can be established by electing the root node by referring to influence factors of multiple dimensions on the topological networking architecture, the purpose that the child devices which are in moderate distances from a router and remote child devices and can be reliably connected can participate in election of the root node although the signal intensity is slightly low is achieved, and the technical effect of improving the reliability of the topological networking architecture is achieved, and the technical problem of lower reliability of a topological networking architecture in the related technology is solved.
Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment is not described herein again.
It will be understood by those skilled in the art that the structure shown in fig. 6 is merely an illustration, and the electronic device may be a smart phone (e.g., an Android phone, an iOS phone, etc.), a tablet computer, a palm computer, and a Mobile Internet Device (MID), a PAD, etc. Fig. 6 is a diagram illustrating a structure of the electronic device. For example, the electronic device may also include more or fewer components (e.g., network interfaces, display devices, etc.) than shown in FIG. 6, or have a different configuration than shown in FIG. 6.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by a program for instructing hardware associated with an electronic device, where the program may be stored in a computer-readable storage medium, and the storage medium may include: flash disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
Embodiments of the present application also provide a storage medium. Optionally, in this embodiment, the storage medium may be used to execute a program code of a method for constructing a topology networking architecture.
Optionally, in this embodiment, the storage medium may be located on at least one of a plurality of network devices in a network shown in the above embodiment.
Optionally, in this embodiment, the storage medium is configured to store program code for performing the following steps:
acquiring an original topology networking architecture of a wireless mesh network, wherein the original topology networking architecture comprises an original root node connected with a routing device, one or more layers of original father nodes connected with the original root node, and an original leaf node connected with the most tail end original father node in the one or more layers of original father nodes;
acquiring a terminal father node of which the node number of a connected terminal leaf node exceeds a target value from the terminal original father node to obtain a candidate path, wherein the terminal leaf node is a leaf node of which the multi-hop number reaches a multi-hop number threshold value in the original leaf nodes connected with the terminal original father node, and the candidate path is a path from the terminal father node to the original root node;
acquiring a target node of which the signal intensity reaches a signal intensity threshold value from an original parent node included in the candidate path;
and constructing a target topology networking architecture corresponding to the wireless mesh network by taking the target node as a target root node, wherein the target topology networking architecture comprises the target root node connected with the routing equipment, one or more layers of target parent nodes connected with the target root node, and a target leaf node connected with the target parent node at the tail end of the one or more layers of target parent nodes.
Optionally, the specific examples in this embodiment may refer to the examples described in the above embodiments, and this embodiment is not described herein again.
Optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
The integrated unit in the above embodiments, if implemented in the form of a software functional unit and sold or used as a separate product, may be stored in the above computer-readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a storage medium, and including instructions for causing one or more computer devices (which may be personal computers, servers, network devices, or the like) to execute all or part of the steps of the method described in the embodiments of the present application.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed client may be implemented in other manners. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, 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, units or modules, and may be in an electrical 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 foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A method for constructing a topology networking architecture is characterized by comprising the following steps:
acquiring an original topology networking architecture of a wireless mesh network, wherein the original topology networking architecture comprises an original root node connected with a routing device, one or more layers of original father nodes connected with the original root node, and an original leaf node connected with the most tail end original father node in the one or more layers of original father nodes;
acquiring a terminal father node of which the node number of a connected terminal leaf node exceeds a target value from the terminal original father node to obtain a candidate path, wherein the terminal leaf node is a leaf node of which the multi-hop number reaches a multi-hop number threshold value in the original leaf nodes connected with the terminal original father node, and the candidate path is a path from the terminal father node to the original root node;
acquiring a target node of which the signal intensity reaches a signal intensity threshold value from an original parent node included in the candidate path;
and constructing a target topology networking architecture corresponding to the wireless mesh network by taking the target node as a target root node, wherein the target topology networking architecture comprises the target root node connected with the routing equipment, one or more layers of target parent nodes connected with the target root node, and a target leaf node connected with the target parent node at the tail end of the one or more layers of target parent nodes.
2. The method of claim 1, wherein obtaining end parent nodes from the end original parent nodes, the end parent nodes having the number of connected end leaf nodes exceeding a target value, and obtaining the candidate path comprises:
acquiring the multi-hop number of each original leaf node connected with the original father node at the tail end;
determining the node number of the tail end leaf node connected with each tail end original father node according to the multi-hop number;
acquiring the tail end father nodes of which the number of the nodes exceeds the target numerical value from the tail end original father nodes;
determining a path from the end parent node to the original root node as the candidate path.
3. The method of claim 1, wherein obtaining a target node with a signal strength reaching a signal strength threshold from the original parent nodes included in the candidate path comprises:
acquiring a candidate father node of which the signal strength is higher than or equal to a signal strength threshold value from the original father node included in the candidate path;
determining one of the candidate parent nodes as the target node.
4. The method of claim 3, wherein determining one of the candidate parent nodes as the target node comprises:
determining the candidate parent node as the target node in case that only one parent node is included in the candidate parent node;
and in the case that the candidate parent node comprises a plurality of parent nodes, determining a parent node with the strongest signal strength in the plurality of parent nodes as the target node, or determining a random one of the plurality of parent nodes as the target node.
5. The method of claim 1, wherein after obtaining the original topology networking architecture of the wireless mesh network, the method further comprises:
and displaying the original topological networking architecture on a client, wherein each device in the original topological networking architecture is displayed on the original topological networking architecture.
6. The method of claim 5, wherein displaying the original topology networking architecture on a client comprises at least one of:
displaying each device in the original topology networking architecture according to the proportion of the actual distance between the devices;
displaying first prompt information on the original topological networking architecture, wherein the first prompt information is used for prompting the signal strength of one or more devices in the original topological networking architecture;
and displaying second prompt information on the original topological networking architecture, wherein the second prompt information is used for prompting equipment with signal strength higher than or equal to a signal strength threshold value in the original topological networking architecture.
7. The method of claim 1, wherein obtaining an original topology networking architecture of the wireless mesh network comprises:
acquiring the primitive root node from the equipment included in the wireless mesh network;
and constructing or pre-estimating a topology networking architecture of the wireless mesh network based on the original root node to serve as the original topology networking architecture.
8. A device for constructing a topology networking architecture is characterized by comprising:
a first obtaining module, configured to obtain an original topology networking architecture of a wireless mesh network, where the original topology networking architecture includes an original root node connected to a routing device, one or more layers of original parent nodes connected to the original root node, and an original leaf node connected to an original parent node at a rearmost end of the one or more layers of original parent nodes;
a second obtaining module, configured to obtain, from the endmost original parent node, an end parent node whose node number of connected end leaf nodes exceeds a target value, to obtain a candidate path, where the end leaf node is a leaf node whose multi-hop number reaches a multi-hop number threshold in original leaf nodes connected to the endmost original parent node, and the candidate path is a path from the end parent node to the original root node;
a third obtaining module, configured to obtain, from an original parent node included in the candidate path, a target node whose signal strength reaches a signal strength threshold;
a building module, configured to build a target topology networking architecture corresponding to the wireless mesh network by using the target node as a target root node, where the target topology networking architecture includes the target root node connected to the routing device, one or more layers of target parent nodes connected to the target root node, and a target leaf node connected to a target parent node at an end of the one or more layers of target parent nodes.
9. A storage medium, characterized in that the storage medium comprises a stored program, wherein the program when executed performs the method of any of the preceding claims 1 to 7.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the method of any of the preceding claims 1 to 7 by means of the computer program.
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| CN114143205B (en) * | 2021-12-01 | 2023-08-01 | 杭州联芯通半导体有限公司 | Control method and device of network topology, electronic equipment and storage medium |
| CN114928544B (en) * | 2022-05-19 | 2024-07-26 | 上海联虹技术有限公司 | Method, device and processor for determining network topology |
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