CN116599972A - Edge cloud aggregation and dispersion method oriented to high-mobility environment - Google Patents
Edge cloud aggregation and dispersion method oriented to high-mobility environment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H—ELECTRICITY
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Abstract
The invention discloses an edge cloud aggregation cloud powder method facing a high-mobility environment, which is characterized in that when a local server group node is started, a single-node edge cloud is independently constructed according to the connection condition with a neighboring server group node in a network, or a multi-node edge cloud is added; performing role configuration on nodes in the edge cloud, and loading an edge cloud management control module group corresponding to the roles; when the local server group node works, according to the connection condition of the adjacent server group nodes in the network, the new server group node is added, or the combined multi-node edge cloud is added, or the server group node exits through the cooperation of the edge cloud management control module groups among all roles in the edge cloud. Under the high maneuvering condition of the edge environment, the node composition of the edge cloud server group can be built and adjusted by self-organization according to the connection condition and real-time change of the adjacent server group in the network, and a new edge cloud is correspondingly and dynamically built in the form of single-node edge cloud and multi-node edge cloud.
Description
Technical Field
The invention relates to a communication technology, in particular to an edge cloud aggregation and dispersion method facing a high-mobility environment.
Background
With the rapid development of the fields of the Internet of things, the Internet of vehicles, the ship networking, the femto networking and the like, the edge computing technology is broken through continuously, various cloud services extend to the edge, the information system scale and the complexity are further improved, and challenges are brought to the service organization and application of the edge environment.
A large number of server type devices are used for building various information systems in the comprehensive military and civil markets in the edge environment, but software and hardware resources of the devices are uneven, the performance is different or even worse, wherein terminal devices are particularly prominent, and limited computing, storage and network resources can restrict functional services which can be integrated and deployed and used in various places. In order to bring more services with guaranteed quality to various end devices, the edge cloud can be constructed by intensively using server resources in the edge environment, the service capability of leading to the cloud extends to the network edge, and the cloud and the edge service are provided for the end nearby. Furthermore, the server resources of motor vehicles, ships, planes and the like can be properly utilized and the service system is suitable for supporting, so that the application requirements of high-mobility scenes are met, the resource utilization efficiency and the system availability are both improved, the method can be applied to the edge cloud aggregation and dispersion technology under the high-mobility condition of the edge environment, and the method becomes a necessary consideration factor in the overall planning of the information system software service platform.
At present, a dynamic construction and adjustment method for the edge cloud under the high maneuvering condition of the edge environment is not available, so that dynamic self-organization of the edge cloud under the maneuvering communication network condition is designed for the purpose of overall planning, and the weak connection of the resources such as the physical distribution edge cloud data, the service and the like is supported for high availability, so that the application risk of the information system caused by hardware faults of a server, network communication disconnection, software system problems and human error operation is reduced, and the method becomes an urgent need for the construction of the current information system.
Disclosure of Invention
The invention aims to: aiming at the defects, the invention provides an edge cloud aggregation and dispersion method which is adaptively constructed and faces to a high maneuvering environment.
The technical scheme is as follows: in order to solve the problems, the invention adopts an edge cloud aggregation and dispersion method facing to a high-mobility environment, which comprises the following steps:
(1) When a local server group node is started, dynamically constructing an edge cloud according to the connection condition with a neighboring server group node in a network, wherein the method comprises the following steps: the local server group node independently builds a single-node edge cloud or joins a multi-node edge cloud;
(2) Performing role configuration on nodes in the edge cloud, and loading an edge cloud management control module group corresponding to the roles; the node roles in the edge cloud comprise management nodes, management successor nodes and working nodes; the work node is used for executing tasks, the management node is used for executing tasks and the total control scheduling of the edge cloud, and the management successor node is used for executing tasks and becomes a management node when the management node is lost;
(3) When the local server group node works, according to the connection condition of the adjacent server group node in the network obtained in real time, the dynamic adjustment of the edge cloud is realized through the cooperation of the edge cloud management control module group among all roles in the edge cloud; the dynamic adjustment includes: adding a new server group node, or adding a combined multi-node edge cloud, or exiting the server group node to reconstruct into a new single-node edge cloud or multi-node edge cloud.
Further, the working node is a service node which is allocated with task execution in the edge cloud, the edge cloud management control module group loaded by the working node comprises a node status report monitoring module, and the node status report monitoring module is used for reporting the working status of the node to a management node in the edge cloud in real time and receiving a response of the management node.
Further, the management node comprises a function of a working node and a total control scheduling capability of the edge cloud, and the edge cloud management control module group loaded by the management node comprises an edge cloud node composition management module, an edge cloud node state monitoring module, an edge cloud expansion authentication module and an adjacent edge cloud search module; wherein:
the edge cloud node composition management module is used for managing an edge cloud node composition list, and the edge cloud node composition list comprises IP addresses and role information of all nodes;
the edge cloud node state monitoring module is used for monitoring the working states of all working nodes in the edge cloud in real time;
the edge cloud expansion authentication module is used for monitoring and authenticating the network access of the edge cloud new node and the network connection of other edge clouds;
the adjacent edge cloud searching module is used for searching other adjacent edge clouds in the network in real time.
Further, the management successor node comprises a function of a working node, and the management node directly becomes a management node for adjusting the back edge cloud after the management node is disabled and loses connection; the edge cloud management control module group for managing the loading of the successor node comprises a node state report monitoring module and a backup handover module formed by the edge cloud; the edge cloud composition backup and handover module is used for receiving and recording all node information of edge cloud composition issued by the edge Yun Naguan management node and for the transition and handover of the edge cloud management node.
Further, in the step (1), the connection condition of the nodes of the neighboring server group in the network is obtained, specifically, in the network neighboring environment detection time rangeIn the internal, the local server group node is at the time sequence +.>Upward timing network access application to adjacent broadcast transmitting nodes; if overtime, i.e.)>No network access permission has been received, indicating network neighborsIn the near environment, no edge cloud can be added at the moment, and a single-node edge cloud is independently built by the local server group node; if the network access permission is received, the local server group node is authenticated and can join the adjacent edge cloud.
Further, in the step (2), a single-node edge cloud independently constructed for the local server group node is set as a management node; adding a multi-node edge cloud to a local server group node: when receiving the network access permission, indicating that the local server group node passes authentication and is used as a working node role to join the adjacent edge cloud, and setting the local server group node as the working node; if the edge cloud added by the local server group node is the single-node edge cloud, the local server group node is set to be the management successor node, and the management node of the edge cloud changes the role of the network access node in the edge cloud node composition list into the management successor node through the edge cloud node composition management module.
Further, when an edge cloud expansion authentication module of the edge Yun Naguan management node monitors authentication and discovers that a server group node which is not connected with the network exists nearby in the network, the edge cloud dynamically adjusts the joining of the new server group node; the method specifically comprises the following steps:
(3.11) the edge cloud expansion authentication module monitors an external server group node network access application through a network, and verifies a system verification code attached to the application when the network access application is monitored;
(3.12) after the verification code of the system passes the authentication, newly adding the server group node of the network access application to an edge cloud node composition list as a working node role, recording the IP address and role information of the server group node, replying to the network access permission to the server group node of the network access application, and setting the server group node as the working node role when receiving the network access permission;
(3.13) if the edge cloud added by the local server group node is preceded by a single-node edge cloud, setting the local server group node as a management successor node, and loading an edge cloud management control module group for managing the successor node;
and (3.14) the newly constructed management node of the edge cloud transmits the edge cloud node composition list to the management successor node, and the information of the backup storage edge cloud node composition list is received by the edge cloud node composition backup and handover module of the management successor node.
Further, when the adjacent edge cloud search module of the edge Yun Naguan processing node searches and discovers other adjacent edge clouds in the network, the edge clouds dynamically adjust the added combination multi-node edge clouds; the method specifically comprises the following steps:
(3.21) the adjacent edge cloud searching module inquires whether other edge clouds exist adjacent to the network or not at regular time, and submits the response to the edge cloud expansion authentication module to answer the attached system verification code when receiving the response of the other edge clouds; the edge cloud expansion authentication module verifies the system verification code;
and (3.22) after the verification code of the system passes the authentication, calculating the merging relation between the edge clouds, wherein the calculation formula is as follows:
，
wherein ,representing the number of nodes formed by the edge cloud A; />Representing the number of nodes consisting of the edge cloud B; />Representing the IP address characterization value of the edge cloud A management node; />Representing the IP address characterization value of the edge cloud B management node;representing edge cloud a as a merger; />Representing edge cloud a as the merged party;
(3.23) carrying out edge cloud merging according to the obtained edge cloud merging relation, acquiring an edge cloud node composition list from an edge cloud node composition management module by the management node of the merged Fang Bianyuan cloud, and sending edge cloud node composition list information to an adjacent edge cloud search module of the cloud management node of the merging side edge;
(3.24) when the management node of the merging Fang Bianyuan cloud receives the edge cloud node composition list of the merged Fang Bianyuan cloud, the management module is handed over all the nodes of the merged party as work node roles to the edge cloud node composition management module to merge the edge cloud node composition list, and if the edge clouds of the merged party and the merged party before merging are both single-node edge clouds, the role of the management node of the merged party is changed into management successor node;
and (3.25) the newly constructed management node of the edge cloud transmits the edge cloud node composition list to the management successor node, and the information of the backup storage edge cloud node composition list is received by the edge cloud node composition backup and handover module of the management successor node.
Further, an edge cloud node state monitoring module of the edge Yun Naguan processing node monitors that the working state of the working node is abnormal or the working state is not received overtime, and the edge cloud performs dynamic adjustment of exiting the reconstruction of the server group node; the method specifically comprises the following steps:
(3.31) all working nodes in the edge cloud report the working state of the node to an edge cloud node state monitoring module of the management node at regular time, and correspondingly receive the response of the management node;
(3.32) when the management node receives the abnormal working state of any working node or management successor node or fails to receive the working state in a time-out manner, indicating that the corresponding working node or management successor node exits the edge cloud; when the management successor node overtime does not receive the response of the management node, the management node is indicated to exit the edge cloud;
(3.33) when the working node in the edge cloud exits, deleting the exiting working node to reconstruct into a new edge cloud; the management node of the edge cloud deletes the exited working node from the edge cloud node composition list through the edge cloud node composition management module, and issues the modified edge cloud node composition list to the management successor node, and the edge cloud node composition backup handover module of the management successor node receives the information of the backup storage edge cloud node composition list;
(3.34) when the management successor node in the edge cloud exits, deleting the exiting management successor node and replacing the management successor node to reconstruct as a new edge cloud;
(3.35) when the management node in the edge cloud exits, the management successor node is replaced with the management node to reconstruct into a new edge cloud.
Further, the specific steps of reconstructing the new edge cloud in the step (3.34) are as follows:
(3.341) the management node of the edge cloud deleting the withdrawn management successor node from the edge cloud node composition list through the edge cloud node composition management module;
(3.342) selecting a new management successor node, wherein the selection calculation formula is:
，
wherein ,representing the number of working nodes in the edge cloud; />Representing that all working nodes forming a list from the edge cloud nodes randomly select one; />Representing the position number of the selected management successor node in all working nodes, +.>Representing edge Yun Moguan reason for node;
(3.343) after the management successor node of the edge cloud is determined: the management node changes the role of the corresponding node in the edge cloud node composition list to be a management successor node, meanwhile, the management node and the management successor node information in the edge cloud node composition list are issued to all working nodes, and the node state report monitoring module of all the working nodes receives and updates the management node and the management successor node information recorded by the node, wherein the working node matched with the IP address of the management successor node changes the role of the management successor node to be the role of the management successor node; the management node issues an edge cloud node composition list to manage the successor node, and the edge cloud node composition backup handover module of the management successor node receives information of the backup storage edge cloud node composition list;
the specific steps of reconstructing the new edge cloud in the step (3.35) are as follows:
(3.351) the management successor node of the edge cloud changes its own role, sets its own role as the management node, and sends management node successor notifications to all working nodes of the original edge cloud through the backup handover module composed of the edge cloud nodes;
(3.352) after receiving the management node succession notice, when the management node succession notice is confirmed to be the original management succession node recorded by the node state report monitoring module, replying receipt confirmation to the backup handover module formed by the edge cloud nodes of the existing management node;
(3.353) after receiving the receipt acknowledgement of all the working nodes in turn, the present management node newly adds the corresponding node as the role of the working node to the edge cloud node composition list and records the IP address and role information of the node;
(3.354) resetting the management successor node according to steps (3.342) and (3.343).
The beneficial effects are that: compared with the prior art, the method has the remarkable advantages that under the condition of high maneuvering of the edge environment, the node composition of the edge cloud server group can be self-organized and established according to the connection condition and real-time change of the adjacent server group in the network, and the new edge cloud can be dynamically constructed in the form of single-node edge cloud and multi-node edge cloud. The method not only supports the dynamic high-availability construction of the edge cloud, but also realizes the scene application of the edge cloud construction oriented to the high-mobility environment, so that the method can be more practical in service information systems such as motor vehicles, ships, airplanes and the like, and simultaneously, the organization supporting the edge cloud computing platform environment applying the method is applied to provide more data and services with guaranteed quality for various end devices, thereby being beneficial to improving the stability and efficiency of the edge service of the system.
Drawings
Fig. 1 is a schematic diagram of an application scenario of the edge cloud aggregation and dispersion method of the present invention.
FIG. 2 is a schematic diagram of an edge cloud initiated build in accordance with the present invention.
FIG. 3 is a schematic diagram of the process of initial creation of an edge cloud in the present invention.
Fig. 4 is a schematic diagram of an edge cloud initial aggregation process in the present invention.
FIG. 5 is a schematic diagram of edge cloud operation adjustment in the present invention.
FIG. 6 is a schematic diagram of an edge cloud node extension process according to the present invention.
FIG. 7 is a schematic diagram of the process of edge cloud proximity merge in the present invention.
Fig. 8 is a schematic diagram of a process of exiting an edge cloud node in the present invention.
Description of the embodiments
As shown in fig. 1, the edge cloud aggregation and dispersion method facing to the high-mobility environment in the embodiment includes the following steps:
first, edge cloud starting construction: as shown in fig. 2, when the local server group node is started, an edge cloud is dynamically built according to the connection condition with the adjacent server group node in the network, or a single-node edge cloud is independently built, or a multi-node edge cloud is added.
(1.1) obtaining connection conditions of adjacent server group nodes in a network, specifically:
detecting time ranges in a network proximity environmentIn which the local server group node (referring to all local computer servers as integral nodes for external communication and services) is in time sequence +.>Upper timing (interval is set to +.>Detecting and counting as) Network broadcasting mode is used for applying to adjacent sending nodes, namely, whether edge cloud which can be added exists in the network adjacent environment or not is detected; the application incidental information comprises a local IP address and a system verification code;
if overtime, namelyWhen the network access permission is not received yet, indicating that no joinable edge cloud exists in the network adjacent environment at the moment, namely, the local is the first local server group node started in the network, and at the moment, confirming that the local server group node alone constructs a single-node edge cloud; the initial construction of the edge cloud is achieved as shown in fig. 3.
If the network access permission is received, the local server group node is authenticated and can join the adjacent edge cloud. When any other local server group node than the first local server group node in the network is started, the other local server group node is added into the created edge cloud, so that all the server group nodes in the adjacent network are initially aggregated to form the same edge cloud, and the process is shown in fig. 4. When an edge cloud expansion authentication module adjacent to an edge cloud management node monitors a server group node networking application outside the edge cloud through a network, whether a verification code additionally submitted by the verification application is consistent with a unified identification code of a system or not is verified, the verification code and the unified identification code are consistent, the network application is indicated to pass through, an application party node is added to an edge cloud node composition list of the edge cloud node composition management module as a working node role at the moment, IP addresses and role information of the node are recorded, and then the node networking permission is replied to the application party according to a destination IP address.
And secondly, adaptively configuring roles in the edge cloud as management nodes, management successor nodes and working nodes, and loading corresponding edge cloud management control module groups according to the roles.
(2.1) a single-node edge cloud built by local server group nodes alone: setting a local server group node as a management node role, loading an edge cloud management control module group required by configuration management nodes, wherein the edge cloud management control module group comprises an edge cloud node composition management module (used for mainly managing an edge cloud node composition list and comprising IP addresses and role information of all nodes), an edge cloud node state monitoring module (used for collecting working states of all nodes in edge clouds in real time), an edge cloud expansion authentication module (used for monitoring and authenticating new nodes of the edge cloud to access the network and other edge cloud grid connection), an adjacent edge cloud search module (used for searching adjacent other edge clouds in the network in real time), and then adding the management node serving as a first node of the composition list to the edge cloud node composition management module, and recording the IP addresses and the role information of the nodes.
(2.2) the local server farm node joins the multi-node edge cloud: when receiving the network access permission, the local server group node for applying the node access confirms that the local server group node is used as a working node to join the corresponding edge cloud, and at the moment, the local server group node is set as a working node role, and an edge cloud management control module group required by the role configuration is loaded and comprises a node state report monitoring module (used for reporting the working state of the node to the edge cloud management node in real time, receiving a management node response and the like).
(2.21) managing acknowledgement of successor nodes: the management node detects the nodes at the first position in the edge cloud node composition list, when the nodes are found to be not management successor nodes, the management successor nodes of the edge cloud are indicated to be not confirmed by the edge cloud temporarily, the management successor nodes of the edge cloud are obtained through calculation according to a preset strategy, and a calculation formula for selecting the management successor nodes is specifically as follows:
，
wherein ,representing the number of working nodes in the edge cloud; />Representing randomly selecting one from the list of working nodes; />Representing the position of the selected management successor node in the working node list, +.>Representing the unmanaged successor node of the edge cloud (which is a single-node edge cloud).
(2.22) managing the adjustment of successor nodes: changing roles of nodes at corresponding positions in an edge cloud node composition list into management successor nodes, adjusting the nodes (if the nodes are not at the first position) to the first position of the list, and then issuing all working nodes (including the management successor nodes) according to destination IP addresses by using management successor relations of edge clouds, namely management nodes and management successor node information in the edge cloud node composition list;
(2.23) manage successor relationship reserve: when the node state report monitoring module of all the working nodes receives the management successor relation of the management node, updating the edge cloud management successor relation recorded by the node, namely the IP address information of the management node and the management successor node for standby;
(2.24) manage successor node configuration: the IP address of the local server group node is found to be consistent with the management successor node of the management successor relation, and the local server group node is confirmed to be the management successor node of the edge cloud, at the moment, the local server group node is set to be the management successor node role, namely, the node state report monitoring module required by the working node is loaded, the edge cloud management control module group required by the configuration management successor node is loaded, and the backup handover module is composed of the edge cloud nodes (used for receiving and recording all node information of the edge cloud composition and the transition handover of the edge cloud management node issued by the edge cloud management node);
(2.25) edge cloud nodes make up a backup: and the management node issues the list of the edge cloud nodes according to the destination IP address, and the backup handover module is formed by the edge cloud nodes of the management successor node to receive and store the list information.
Thirdly, edge cloud operation adjustment: as shown in fig. 5, after the local server group node starts to work, according to the connection condition of the adjacent server group node in the network obtained in real time, the dynamic adjustment of the edge cloud is realized through the cooperation of the management control module groups among the roles in the edge cloud, or a new (or re-joining) server group node is added, or a combined multi-node edge cloud is added, or the exiting server group node is reconstructed into a new single-node edge cloud or multi-node edge cloud. Comprising the following steps:
(3.1) edge cloud node augmentation: when the edge cloud monitoring authentication discovers that a local server group node exists nearby in the network (generally under the conditions of starting up and restarting a server and the like), the edge cloud component node is added into the server group node in an expansion mode to reconstruct the edge cloud. The process is shown in fig. 6 (same as fig. 4), and the detailed steps are as follows:
(3.11) the edge cloud expansion authentication module monitors an external server group node network access application through a network, and verifies a system verification code attached to the application when the network access application is monitored;
(3.12) after the verification code of the system passes the authentication, newly adding the server group node of the network access application to an edge cloud node composition list as a working node role, recording the IP address and role information of the server group node, replying to the network access permission to the server group node of the network access application, and setting the server group node as the working node role when receiving the network access permission;
(3.13) if the edge cloud added by the local server group node is preceded by a single-node edge cloud, setting the local server group node as a management successor node, and loading an edge cloud management control module group for managing the successor node;
and (3.14) the newly constructed management node of the edge cloud transmits the edge cloud node composition list to the management successor node, and the information of the backup storage edge cloud node composition list is received by the edge cloud node composition backup and handover module of the management successor node.
(3.2) edge cloud proximity merging: when the edge cloud search authentication finds that other edge clouds exist in the network nearby (generally under the condition that a bearing platform of one edge cloud such as a vehicle is in a network communication range of the other edge cloud, and the like), one party selects to join and merge into the other party according to a preset strategy to reconstruct the edge cloud. The process is shown in fig. 7, and the detailed steps are as follows:
(3.21) adjacent edge cloud interrogation: one party edge cloud is timed by the neighboring edge cloud search module of the management node (interval set to) Sending a neighboring edge cloud query to the neighboring (if any) edge cloud in a network broadcasting manner, wherein the query is used for querying whether other edge clouds exist in the neighboring in the network, and the query incidental information comprises a local (namely edge cloud management node) IP address and a system verification code;
(3.22) proximity edge cloud response: when an edge cloud expansion authentication module of a management node of the other adjacent edge cloud monitors whether an adjacent edge cloud outside the edge cloud exists or not through a network, verifying whether a verification code submitted by the inquiry is consistent with a unified identification code of a system, inquiring Fang Bianyuan cloud authentication is passed if the verification code submitted by the inquiry is consistent with the unified identification code, recording an IP address and role information of the management node of the inquiry Fang Bianyuan cloud to the edge cloud to be combined, and replying an adjacent edge cloud response to an adjacent edge cloud search module of an inquiring party according to a destination IP address, wherein the response incidental information comprises an edge cloud node composition list of the response Fang Bianyuan cloud; (the step (3.21) and the step (3.22) are simultaneous mutual inquiry response of the edge clouds of the two.
(3.23) merging adjacent edge Yun Liebiao: when the adjacent edge cloud search module of any one side edge cloud receives an adjacent edge cloud response of the other side, the edge cloud merging relation is calculated according to a preset strategy, and a calculation formula of the edge cloud merging relation is specifically as follows:
，
wherein ,representing the number of nodes formed by the edge cloud A; />Representing the number of nodes consisting of the edge cloud B; />Representing the IP address characterization value of the edge cloud A management node; />The IP address characterization value (namely four numbers of the IP address are used as integers after combination conversion from high to low byte) of the edge cloud B management node; />Representing edge cloud a as a merger; />Representing edge cloud a as the merged party. At this time, the edge cloud is the party waiting to be merged; the present edge Yun Fang initiates edge cloud merging for the beginning of the merging party.
(3.24) carrying out edge cloud merging according to the obtained edge cloud merging relation, and enabling all nodes of the merged party to serve as working node roles by the merging party to be handed over by an edge cloud node composition management module to finish sequential addition merging of an edge cloud node list; if the edge clouds of the merging party and the merged party before merging are single-node edge clouds, the role of the management node of the merged party is changed into a management successor node;
(3.25) after merging, carrying out management successor node confirmation: the management node detects the node of the first position in the list formed by the edge cloud nodes, when the node is not the management successor node, the edge cloud is indicated that the management successor node is not confirmed temporarily, the role of the working node corresponding to the original management node of the merged party in the list is changed into the management successor node, the node (if not in the first position) is adjusted to the first position of the list, and then the management successor relationship of the edge cloud, namely the management node and the management successor node information in the list formed by the edge cloud nodes, issues all the working nodes (including the management successor node) according to the destination IP address;
(3.26) manage successor relationship reserve: when the node state report monitoring module of all the working nodes receives the management successor relation of the management node, updating the edge cloud management successor relation recorded by the node, namely the IP address information of the management node and the management successor node for standby;
(3.27) manage take over node configuration: the local IP address is found to be consistent with the management successor node of the management successor relationship, and the local IP address is confirmed to be the management successor node of the edge cloud, at the moment, the role of the local management successor node is set, namely, the node state report monitoring module required by the working node is loaded, the edge cloud management control module group required by the configuration management successor node is loaded, and the edge cloud management control module group comprises an edge cloud node composition backup and handover module (used for receiving and recording all node information of the edge cloud composition issued by the edge cloud management node and the transition and handover of the edge cloud management node);
(3.28) edge cloud nodes make up a backup: and the management node issues the list of the edge cloud nodes according to the destination IP address, and the backup handover module is formed by the edge cloud nodes of the management successor node to receive and store the list information.
(3.3) edge Yun Jiedian exit: and (3) when the edge cloud search state monitoring (generally under the conditions that a server in the edge cloud is shut down or restarted, a fault is dropped or stopped, a bearing platform is far away from a network communication range and the like) finds that a node in the edge cloud exits, reconstructing the edge cloud. The process is shown in fig. 8, and the detailed steps are as follows:
(3.31) reporting the edge cloud node state: all working nodes of the edge cloud and managing successor node timing (interval set to) Reporting the working state information of the node to an edge cloud node state monitoring module of the management node according to the destination IP address, wherein the working state information comprises a local IP address and the working state of the node, the working state is divided into normal and abnormal (such as failure stopping, shutdown restarting and the like), and then waiting for receiving a state report response of the management node;
(3.32) edge Yun Jiedian anomaly declares: when the management node receives that the working state reported by any working node or management successor node is abnormal or the working state of the node cannot be received overtime, the corresponding working node or management successor node exits the edge cloud, otherwise, the state report response is replied to the corresponding working node or management successor node according to the destination IP address, and when the management successor node cannot receive the response of the management node overtime, the management node exits the edge cloud;
(3.33) when the working node in the edge cloud exits, the reconstruction of the edge cloud specifically comprises:
(3.331) exit node delete: the management node of the edge cloud deletes the withdrawn non-management successor working node from the edge cloud node composition list through the edge cloud node composition management module;
(3.332) edge cloud nodes make up a backup: and the management node issues the list of the edge cloud nodes according to the destination IP address, and the backup handover module is formed by the edge cloud nodes of the management successor node to receive and store the list information.
(3.34) when the management successor node in the edge cloud exits, the reconstruction of the edge cloud specifically includes:
(3.341) exit node delete: the edge cloud management node deletes the withdrawn management succession node from the edge cloud node composition list through the edge cloud node composition management module;
(3.342) manage take over node acknowledgements: selecting a new management successor node according to a preset strategy, wherein the management successor node selection calculation formula specifically comprises:
，
wherein ,representing the number of working nodes in the edge cloud; />Representing that all working nodes forming a list from the edge cloud nodes randomly select one; />Representing the position of the selected management successor node in the edge cloud node composition list, +.>Representing the unmanaged successor node of the edge cloud (which is a single-node edge cloud).
(3.43) if there is a management successor node, changing the role of the corresponding position node in the edge cloud node composition list into the management successor node, adjusting the node (if not in the first position) to the first position of the list, and then issuing all working nodes (including the management successor node) according to the destination IP address by the management successor relationship of the edge cloud, namely the management node and the management successor node information in the edge cloud node composition list; when the node state report monitoring module of all the working nodes receives the management successor relation of the management node, updating the edge cloud management successor relation recorded by the node, namely the IP address information of the management node and the management successor node for standby;
(3.344) manage successor node configuration: the working node matched with the IP address of the management successor node sets the role change of the working node as the role of the management successor node; the management node issues an edge cloud node composition list to manage the successor node, and the edge cloud node composition backup handover module of the management successor node receives information of the backup storage edge cloud node composition list;
and (3.35) when the management node in the edge cloud exits, the reconstruction of the edge cloud specifically comprises the following steps:
(3.351) the management successor node of the edge cloud changes its own role, sets its own role as the management node, and sends management node successor notifications to all non-management successor working nodes of the original edge cloud according to the destination IP address through the edge cloud node composition backup handover module;
(3.352) manage succession handoffs: after receiving the management node successor notice, all the non-management successor working nodes reply the management successor notice to the backup handover module according to the destination IP address when confirming the node state report monitoring module records the original management successor node;
(3.353) management node list update: after receiving management reception acknowledgement of all working nodes in turn, the current reception management node adds the corresponding node as a working node role to an edge cloud node composition list and records IP address and role information of the node;
(3.354) manage take over node acknowledgement: the management successor node is reset according to steps (3.342) to (3.344).
Claims (10)
1. The edge cloud aggregation cloud powder method for the high maneuver environment is characterized by comprising the following steps of:
(1) When a local server group node is started, dynamically constructing an edge cloud according to the connection condition with a neighboring server group node in a network, wherein the method comprises the following steps: the local server group node independently builds a single-node edge cloud or joins a multi-node edge cloud;
(2) Performing role configuration on nodes in the edge cloud, and loading an edge cloud management control module group corresponding to the roles; the node roles in the edge cloud comprise management nodes, management successor nodes and working nodes; the work node is used for executing tasks, the management node is used for executing tasks and the total control scheduling of the edge cloud, and the management successor node is used for executing tasks and becomes a management node when the management node is lost;
(3) When the local server group node works, according to the connection condition of the adjacent server group node in the network obtained in real time, the dynamic adjustment of the edge cloud is realized through the cooperation of the edge cloud management control module group among all roles in the edge cloud; the dynamic adjustment includes: adding a new server group node, or adding a combined multi-node edge cloud, or exiting the server group node to reconstruct into a new single-node edge cloud or multi-node edge cloud.
2. The high mobility environment oriented edge cloud aggregation and dispersion method according to claim 1, wherein the working node is a service node allocated with task execution in an edge cloud, the edge cloud management control module group loaded by the working node comprises a node status report monitoring module, and the node status report monitoring module is used for reporting the working status of the node to a management node in the edge cloud in real time and receiving a management node response.
3. The edge cloud aggregation and clouding method for high maneuver environment according to claim 2, wherein the management node comprises a function of a working node and a total control scheduling capability of edge cloud, and the edge cloud management control module group loaded by the management node comprises an edge cloud node composition management module, an edge cloud node state monitoring module, an edge cloud expansion authentication module and an adjacent edge cloud search module; wherein:
the edge cloud node composition management module is used for managing an edge cloud node composition list, and the edge cloud node composition list comprises IP addresses and role information of all nodes;
the edge cloud node state monitoring module is used for monitoring the working states of all working nodes in the edge cloud in real time;
the edge cloud expansion authentication module is used for monitoring and authenticating the network access of the edge cloud new node and the network connection of other edge clouds;
the adjacent edge cloud searching module is used for searching other adjacent edge clouds in the network in real time.
4. The high mobility environment oriented edge cloud aggregation cloud computing method of claim 3, wherein the management successor node comprises a function of a working node, and directly becomes a management node of the adjusted edge cloud after the management node is disabled; the edge cloud management control module group for managing the loading of the successor node comprises a node state report monitoring module and a backup handover module formed by the edge cloud; the edge cloud composition backup and handover module is used for receiving and recording all node information of edge cloud composition issued by the edge Yun Naguan management node and for the transition and handover of the edge cloud management node.
5. The high-facing surface of claim 4The method for collecting cloud by edge cloud of maneuvering environment is characterized in that in the step (1), the connection condition of adjacent server group nodes in the network is obtained, specifically, the connection condition is detected in the network adjacent environment detection time rangeIn the internal, the local server group node is at the time sequence +.>Upward timing network access application to adjacent broadcast transmitting nodes; if overtime, namelyThe network access permission is not received yet, and the condition that no joinable edge cloud exists in the network adjacent environment at the moment is indicated, so that the local server group node alone constructs a single-node edge cloud; if the network access permission is received, the local server group node is authenticated and can join the adjacent edge cloud.
6. The high mobility environment-oriented edge cloud aggregation cloud powder method according to claim 5, wherein in the step (2), a single-node edge cloud independently constructed for a local server group node is set as a management node; adding a multi-node edge cloud to a local server group node: when receiving the network access permission, indicating that the local server group node passes authentication and is used as a working node role to join the adjacent edge cloud, and setting the local server group node as the working node; if the edge cloud added by the local server group node is the single-node edge cloud, the local server group node is set to be the management successor node, and the management node of the edge cloud changes the role of the network access node in the edge cloud node composition list into the management successor node through the edge cloud node composition management module.
7. The edge cloud aggregation and clouding method for high maneuver environment as defined in claim 6, wherein when the edge cloud expansion authentication module of the edge Yun Naguan management node monitors and authenticates that there is a server group node which is not connected to the network in the vicinity of the network, the edge cloud performs dynamic adjustment of joining a new server group node; the method specifically comprises the following steps:
(3.11) the edge cloud expansion authentication module monitors an external server group node network access application through a network, and verifies a system verification code attached to the application when the network access application is monitored;
(3.12) after the verification code of the system passes the authentication, newly adding the server group node of the network access application to an edge cloud node composition list as a working node role, recording the IP address and role information of the server group node, replying to the network access permission to the server group node of the network access application, and setting the server group node as the working node role when receiving the network access permission;
(3.13) if the edge cloud added by the local server group node is preceded by a single-node edge cloud, setting the local server group node as a management successor node, and loading an edge cloud management control module group for managing the successor node;
and (3.14) the newly constructed management node of the edge cloud transmits the edge cloud node composition list to the management successor node, and the information of the backup storage edge cloud node composition list is received by the edge cloud node composition backup and handover module of the management successor node.
8. The edge cloud aggregation and dispersion method facing high maneuver environment as defined in claim 6, wherein when the adjacent edge cloud search module of the edge Yun Naguan processing node searches for adjacent other edge clouds in the network, the edge cloud performs dynamic adjustment of joining in the combined multi-node edge cloud; the method specifically comprises the following steps:
(3.21) the adjacent edge cloud searching module inquires whether other edge clouds exist adjacent to the network or not at regular time, and submits the response to the edge cloud expansion authentication module to answer the attached system verification code when receiving the response of the other edge clouds; the edge cloud expansion authentication module verifies the system verification code;
and (3.22) after the verification code of the system passes the authentication, calculating the merging relation between the edge clouds, wherein the calculation formula is as follows:
，
wherein ,representing the number of nodes formed by the edge cloud A; />Representing the number of nodes consisting of the edge cloud B; />Representing the IP address characterization value of the edge cloud A management node; />Representing the IP address characterization value of the edge cloud B management node; />Representing edge cloud a as a merger; />Representing edge cloud a as the merged party;
(3.23) carrying out edge cloud merging according to the obtained edge cloud merging relation, acquiring an edge cloud node composition list from an edge cloud node composition management module by the management node of the merged Fang Bianyuan cloud, and sending edge cloud node composition list information to an adjacent edge cloud search module of the cloud management node of the merging side edge;
(3.24) when the management node of the merging Fang Bianyuan cloud receives the edge cloud node composition list of the merged Fang Bianyuan cloud, the management module is handed over all the nodes of the merged party as work node roles to the edge cloud node composition management module to merge the edge cloud node composition list, and if the edge clouds of the merged party and the merged party before merging are both single-node edge clouds, the role of the management node of the merged party is changed into management successor node;
and (3.25) the newly constructed management node of the edge cloud transmits the edge cloud node composition list to the management successor node, and the information of the backup storage edge cloud node composition list is received by the edge cloud node composition backup and handover module of the management successor node.
9. The edge cloud aggregation and clouding method for high maneuver environment as defined in claim 6, wherein the edge cloud node state monitoring module of the edge Yun Naguan processing node monitors that the working state of the working node is abnormal or the working state is not received over time, and the edge cloud performs dynamic adjustment of exiting the server group node reconstruction; the method specifically comprises the following steps:
(3.31) all working nodes in the edge cloud report the working state of the node to an edge cloud node state monitoring module of the management node at regular time, and correspondingly receive the response of the management node;
(3.32) when the management node receives the abnormal working state of any working node or management successor node or fails to receive the working state in a time-out manner, indicating that the corresponding working node or management successor node exits the edge cloud; when the management successor node overtime does not receive the response of the management node, the management node is indicated to exit the edge cloud;
(3.33) when the working node in the edge cloud exits, deleting the exiting working node to reconstruct into a new edge cloud; the management node of the edge cloud deletes the exited working node from the edge cloud node composition list through the edge cloud node composition management module, and issues the modified edge cloud node composition list to the management successor node, and the edge cloud node composition backup handover module of the management successor node receives the information of the backup storage edge cloud node composition list;
(3.34) when the management successor node in the edge cloud exits, deleting the exiting management successor node and replacing the management successor node to reconstruct as a new edge cloud;
(3.35) when the management node in the edge cloud exits, the management successor node is replaced with the management node to reconstruct into a new edge cloud.
10. The high maneuver environment oriented edge cloud computing method as defined in claim 9 wherein the specific steps of reconstructing into a new edge cloud in step (3.34) are:
(3.341) the management node of the edge cloud deleting the withdrawn management successor node from the edge cloud node composition list through the edge cloud node composition management module;
(3.342) selecting a new management successor node, wherein the selection calculation formula is:
，
wherein ,representing the number of working nodes in the edge cloud; />Representing that all working nodes forming a list from the edge cloud nodes randomly select one; />Representing the location numbers of the selected management successor node among all the working nodes,representing edge Yun Moguan reason for node;
(3.343) after the management successor node of the edge cloud is determined: the management node changes the role of the corresponding node in the edge cloud node composition list to be a management successor node, meanwhile, the management node and the management successor node information in the edge cloud node composition list are issued to all working nodes, and the node state report monitoring module of all the working nodes receives and updates the management node and the management successor node information recorded by the node, wherein the working node matched with the IP address of the management successor node changes the role of the management successor node to be the role of the management successor node; the management node issues an edge cloud node composition list to manage the successor node, and the edge cloud node composition backup handover module of the management successor node receives information of the backup storage edge cloud node composition list;
the specific steps of reconstructing the new edge cloud in the step (3.35) are as follows:
(3.351) the management successor node of the edge cloud changes its own role, sets its own role as the management node, and sends management node successor notifications to all working nodes of the original edge cloud through the backup handover module composed of the edge cloud nodes;
(3.352) after receiving the management node succession notice, when the management node succession notice is confirmed to be the original management succession node recorded by the node state report monitoring module, replying receipt confirmation to the backup handover module formed by the edge cloud nodes of the existing management node;
(3.353) after receiving the receipt acknowledgement of all the working nodes in turn, the present management node newly adds the corresponding node as the role of the working node to the edge cloud node composition list and records the IP address and role information of the node;
(3.354) resetting the management successor node according to steps (3.342) and (3.343).
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