CN111722926B - Safe and reliable edge cooperation method and system based on payment mechanism - Google Patents
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Abstract
The invention relates to the technical field of edge computing, in particular to a safe and reliable edge cooperation method and system based on a payment mechanism, aiming at solving the problem that the edge computing cannot meet the high-real-time service demand. The edge cooperation method of the invention comprises the following steps: the service providing edge node sends service providing information to the application cloud platform; the service request edge node sends service request information to the application cloud platform; the application cloud platform performs matching according to the service providing information and the service request information, and sends an ID number of the service providing edge node to the service request edge node according to a matching result; the service request edge node establishes connection with the service providing edge node according to the ID number; the service providing edge node executes corresponding service; and finally, the service request edge node pays the fee to the service providing edge node. The invention effectively reduces the time delay and meets the service requirement of high real-time.
Description
Technical Field
The invention relates to the technical field of edge computing, in particular to a safe and reliable edge cooperation method and system based on a payment mechanism.
Background
Mass data are generated along with the moment of the Internet of things, and cloud computing is induced. The cloud provides ubiquitous connectivity for a wide variety of user devices; depending on the highly reliable and robust cloud, developers provide high-quality cloud services for end users. The centralized cloud computing meets the computing and storage requirements of part of equipment to a certain extent, but the cloud computing gradually exposes short boards of the mass equipment: (1) The cloud computing is difficult to meet the high-real-time business requirements, such as unmanned driving, due to the large communication delay; (2) limited network bandwidth, such that data transmission is limited; (3) The data is easy to be stolen, threatens the confidentiality of the data, and is not beneficial to privacy protection.
In this context, edge computation has evolved. Edge computing is the processing of data near the data source and physically close edge node devices at the edge of the network will take on a lot of computation and storage. This new way of computation makes possible a low latency and is easy to keep secret. However, the edge node devices have limited computational power and storage, cannot have abundant resources like the cloud, and only rely on the resources of the edge node devices to face difficulties in processing some complex tasks, and require the cooperative processing of other edge node devices, so that the edge cooperation is an important problem of edge computing landing.
In a highly dynamic, complex edge environment, there is a huge amount of data that needs to be calculated, stored, and communicated over a network, but the resources are limited. At present, no mature and effective edge cooperative method and system are available to truly realize sinking of computation to the edge, and cannot meet the service requirement of high real-time.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a safe and reliable edge cooperation method and a safe and reliable edge cooperation system based on a payment mechanism, which effectively reduce time delay and meet the high real-time service requirement.
In a first aspect of the present invention, a secure trusted edge collaboration method based on a payment mechanism is provided, the method comprising:
step A10, a service providing edge node sends service providing information to an application cloud platform, wherein the service providing information comprises the following steps: the provided configuration parameter information and the first target price;
step a20, a service request edge node sends service request information to the application cloud platform, where the service request information includes: desired configuration parameter information, and a second target price;
step A30, the application cloud platform performs matching according to the service providing information and the service request information, and sends the ID number of the service providing edge node to the service request edge node according to a matching result;
Step A40, the service request edge node establishes connection with the service providing edge node according to the ID number of the service providing edge node;
step A50, the service providing edge node executes corresponding service;
step a60, the service requests the edge node to pay a fee to the service providing edge node.
Preferably, the provided configuration parameter information includes: device name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, rated power and network bandwidth;
the desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth, and location coordinates.
Preferably, before the "service providing edge node sends the service providing information to the application cloud platform" in step a10, the method further includes:
step A2, the service providing edge node generates the first target price through a pricing interface provided by the application cloud platform;
and step A4, the service request edge node generates the second target price through a pricing interface provided by the application cloud platform.
Preferably, the step of "the application cloud platform matches the service providing information with the service request information and sends the ID number of the service providing edge node to the service request edge node according to the matching result" in step a30 specifically includes:
Step A32, the application cloud platform generates a service providing edge node set meeting a first condition according to the principle that the second target price is not less than the first target price;
step A34, in the service providing edge node set meeting the first condition, generating a service providing edge node set meeting the second condition according to the main frequency, GPU performance, storage size and bandwidth size of the CPU in the configuration parameter information expected by the service requesting edge node and simultaneously meeting the main frequency, GPU performance, storage size and bandwidth size principles of the CPU in the configuration parameter information provided by the service providing edge node correspondingly;
step A36, if the set of service providing edge nodes meeting the second condition is not empty, calculating a distance according to the position coordinates of the service requesting edge node and the position coordinates of the service providing edge node, and sending the ID of the service providing edge node with the minimum distance to the service requesting edge node; otherwise, go to step a38;
step A38, pushing service providing information of a service providing edge node meeting expected configuration parameter information and service providing information of a service providing edge node meeting a second target price to the service requesting edge node respectively, and waiting for the service requesting edge node to adjust the expected second target price or the configuration parameter information; if an adjustment occurs, the process jumps to step A32.
Preferably, the method further comprises:
step A70, the application cloud platform acquires service start and end time, duration and payment transaction information from the service providing edge node or the service requesting edge node, and performs storage backup; or,
and step A80, the service providing edge node or the service requesting edge node stores the service start and end time, duration and payment transaction information through encryption, conversion and storage of the blockchain miner node.
Preferably, the pricing interface provided by the application cloud platform includes:
calculating an interface function of the unit duration cost:
P 0 ＝W×E b +B×I b
wherein W is power, B is network bandwidth, E b Is the preset unit electricity cost, I b The unit network bandwidth cost is preset;
calculating an interface function of the unit duration service rewards:
ΔP＝αP 0 ，α∈[0，1]
wherein, alpha is a unit duration service rewarding income weight factor, alpha is a parameter which continuously fluctuates according to actual conditions, and the influencing factors mainly comprise CPU, GPU, storage and market regulation of network bandwidth of the edge nodes and autonomous regulation of each edge node;
calculating an interface function for pricing the unit duration:
P＝P 0 +ΔP。
in a second aspect of the present invention, a secure trusted edge collaboration method based on a payment mechanism is provided, the method comprising:
Step B10, the application cloud platform acquires service providing information from the service providing edge node, wherein the service providing information comprises the following steps: the provided configuration parameter information and the first target price;
step B20, the application cloud platform obtains service request information from a service request edge node, where the service request information includes: desired configuration parameter information, and a second target price;
and step B30, the application cloud platform performs matching according to the service providing information and the service request information, and sends the ID number of the service providing edge node to the service requesting edge node according to a matching result so as to enable the service requesting edge node to establish service connection with the service providing edge node, thereby completing the requested task and paying the cost.
Preferably, the provided configuration parameter information includes: device name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, rated power and network bandwidth; the desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth, and location coordinates.
Preferably, before the "application cloud platform obtains the service providing information from the service providing edge node" in step B10, the method further includes:
And B5, providing a pricing interface by the application cloud platform so that the service providing edge node and the service requesting edge node respectively generate the first target price and the second target price according to the pricing interface.
Preferably, the step of "the application cloud platform matches the service providing information with the service request information and sends the ID number of the service providing edge node to the service request edge node according to the matching result" in step B30 specifically includes:
step B32, the application cloud platform generates a service providing edge node set meeting a first condition according to the principle that the second target price is not less than the first target price;
step B34, in the service providing edge node set meeting the first condition, generating a service providing edge node set meeting the second condition according to the main frequency, GPU performance, storage size and bandwidth size of the CPU in the configuration parameter information expected by the service requesting edge node and simultaneously meeting the main frequency, GPU performance, storage size and bandwidth size principles of the CPU in the configuration parameter information provided by the service providing edge node correspondingly;
step B36, if the set of service providing edge nodes meeting the second condition is not empty, calculating a distance according to the position coordinates of the service requesting edge node and the position coordinates of the service providing edge node, and sending the ID of the service providing edge node with the minimum distance to the service requesting edge node; otherwise, go to step B38;
Step B38, pushing service providing information corresponding to the service providing edge node meeting the expected configuration parameter information and service providing information corresponding to the service providing edge node meeting the second target price to the service requesting edge node respectively, and waiting for the service requesting edge node to adjust the second target price or the expected configuration parameter information; if an adjustment occurs, the process jumps to step B32.
Preferably, the method further comprises:
and step B40, the application cloud platform acquires service start and end time, duration and payment transaction information from the service providing edge node or the service requesting edge node, and performs storage backup.
Preferably, the pricing interface provided by the application cloud platform includes:
calculating an interface function of the unit duration cost:
P 0 ＝W×E b +B×I b
wherein W is power, B is network bandwidth, E b Is the preset unit electricity cost, I b The unit network bandwidth cost is preset;
calculating an interface function of the unit duration service rewards:
ΔP＝αP 0 ，α∈[0，1]
wherein, alpha is a unit duration service rewarding income weight factor, alpha is a parameter which continuously fluctuates according to actual conditions, and the influencing factors mainly comprise CPU, GPU, storage, network state and market regulation of edge nodes;
Calculating an interface function for pricing the unit duration:
P＝P 0 +ΔP。
in a third aspect of the present invention, a secure trusted edge collaboration system based on a payment mechanism is provided, the system comprising: the cloud platform and the edge nodes are applied;
the operation mode of each edge node comprises: a service providing mode and a service request mode;
in the service providing mode, the edge node is referred to as a service providing edge node;
in the service request mode, the edge node is referred to as a service request edge node;
the service edge providing node is configured to: sending service providing information to the application cloud platform, wherein the service providing information comprises: the provided configuration parameter information and the first target price;
the service request edge node is configured to: sending service request information to the application cloud platform; establishing connection with the service providing edge node according to the ID number of the service providing edge node sent by the application cloud platform, completing the task of requesting service and paying the cost; wherein the service request information includes: desired configuration parameter information, and a second target price;
the application cloud platform is configured to: and matching is carried out according to the service providing information and the service request information, and the ID number of the service providing edge node is sent to the service request edge node according to the matching result.
Preferably, each of the edge nodes comprises: the system comprises a central processing module, a service pricing module, a service publishing module, a service discovery module, a security execution module and a service account book module;
the central processing module is configured to: the service pricing module, the service publishing module, the service discovery module, the security execution module and the service account book module are controlled to complete corresponding operations;
the service pricing module is configured to: setting provided configuration parameter information in the service providing mode, and generating a first target price; setting expected configuration parameter information in the service request mode, and generating a second target price;
the service distribution module is configured to: in the service providing mode, sending the service providing information to the cloud application platform;
the service discovery module is configured to: in the service request mode, sending the service request information to the application cloud platform, and establishing service connection with the service providing edge node according to the ID number of the service providing edge node sent by the application cloud platform;
The secure execution module is configured to: creating a safe and reliable execution environment and executing service;
the service ledger module is configured to: transaction and billing are performed.
Preferably, each of the edge nodes further comprises: a system parameter module;
the system parameter module is configured to: acquiring system parameters of an edge node, wherein the system parameters comprise: the name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, power and network bandwidth of the hardware device;
the application cloud platform is further configured to: providing a pricing interface;
the service pricing module is specifically configured to: in the service providing mode, according to the configuration parameter information provided by the system parameter setting, accessing a pricing interface of the application cloud platform to generate a first target price; in the service request mode, setting expected configuration parameter information according to the system parameters, and accessing a pricing interface of the application cloud platform to generate a second target price;
the central processing module is further configured to: in the service providing mode, the provided configuration parameter information is sent to the application cloud platform; in the service request mode, sending the expected configuration parameter information to the application cloud platform;
Wherein,
the provided configuration parameter information comprises: device name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, rated power and network bandwidth;
the desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth, and location coordinates.
Compared with the closest prior art, the invention has the following beneficial effects:
the safe and reliable edge cooperative method and system based on the payment mechanism provided by the invention enable mass edge nodes, namely service providing edge nodes and service requesting edge nodes to cooperatively work based on the payment mechanism on the basis of an edge computing thought, comprehensively use cloud technology to apply, price and trade payment management to the edge nodes, use virtualization technologies such as containers and the like to create safe and reliable environments for task execution, and use blockchain technology to provide a high-reliability transaction means for cooperation. Meanwhile, the invention has universal applicability, can be used for the cooperative work of the edge nodes of different edge scenes, can effectively reduce time delay, meets the high-instantaneity service requirement, can fully release mass idle edge node resources, and creates value.
Drawings
FIG. 1 is a schematic diagram of the main steps of a first embodiment of a secure trusted edge collaboration method based on a payment mechanism of the present invention;
FIG. 2 is an example of communications between a plurality of service providing edge nodes, a plurality of service requesting edge nodes, and a cloud application platform in an embodiment of the present invention;
FIG. 3 is a schematic diagram of the major steps of a second embodiment of the secure trusted edge collaboration method based on a payment mechanism of the present invention;
FIG. 4 is a schematic diagram of a first embodiment of a secure trusted edge collaboration system based on a payment mechanism in accordance with the present invention;
fig. 5 is a schematic diagram of a second embodiment of the secure trusted edge collaboration system based on a payment mechanism.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms "first," "second," and the like are merely used for convenience of description and are not to be construed as limiting the invention as to the relative importance of the device, element or parameter being described or implied.
The following embodiments relate to an application cloud platform and a plurality of edge nodes; the mode of operation of each edge node includes: a service providing mode and a service request mode. In the service providing mode, the edge node is referred to as a service providing edge node; in service request mode, the edge node is referred to as a service request edge node. The service provided by the service providing edge node for the service request edge node comprises: computing power, storage, network communications, etc. Each edge node can register through the application cloud platform to acquire a unique ID number. And the application cloud platform manages the edge nodes, including installing, updating, uninstalling and the like of software in the edge nodes.
Fig. 1 is a schematic diagram of the main steps of a first embodiment of a secure trusted edge collaboration method based on a payment mechanism according to the present invention. As shown in fig. 1, the method of the present embodiment includes steps a10-a60:
in step a10, the service providing edge node sends service providing information to the application cloud platform.
Wherein the service providing information includes: configuration parameter information provided, and a first target price. The provided configuration parameter information comprises: device name, model, CPU main frequency parameters, GPU model, storage space size, position coordinates, rated power and network bandwidth.
In step a20, the service request edge node sends service request information to the application cloud platform.
Wherein the service request information includes: desired configuration parameter information, and a second target price. The desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth, and location coordinates.
In step a30, the application cloud platform performs matching according to the service providing information and the service request information, and sends the ID number of the service providing edge node to the service request edge node according to the matching result. Specifically comprises the steps of A32-A38:
in step a32, the application cloud platform generates a set of service providing edge nodes that satisfy the first condition according to the principle that the second target price is not less than the first target price (i.e., the first condition).
In step a34, in the service providing edge node set meeting the first condition, according to the CPU dominant frequency, GPU performance, storage size and bandwidth size in the configuration parameter information expected by the service requesting edge node, while meeting the CPU dominant frequency, GPU performance, storage size and bandwidth size principle (i.e. the second condition) in the configuration parameter information provided by the service providing edge node correspondingly, generating a service providing edge node set meeting the second condition;
In step a36, if the set of service providing edge nodes satisfying the second condition is not empty, calculating a distance according to the position coordinates of the service requesting edge node and the position coordinates of the service providing edge node, and transmitting the ID of the service providing edge node with the minimum distance to the service requesting edge node; otherwise, step a38 is performed.
In step a38, service providing information of the service providing edge node meeting the desired configuration parameter information (but not meeting the second target price) and service providing information of the service providing edge node meeting the second target price (but not meeting the desired configuration parameter information) are respectively pushed to the service requesting edge node, and the service requesting edge node waits for adjusting the second target price or the desired configuration parameter information; if an adjustment occurs, the process jumps to step A32.
In the above description, only the case that the service request edge node adjusts the second target price or the expected configuration parameter information is mentioned, and in practical application, the application cloud platform may notify the service providing edge node that meets the expected configuration parameter information to adjust the first target price so as to be equal to the second target price.
In step a40, the service requesting edge node establishes a connection with the service providing edge node according to the ID number of the service providing edge node.
In step a50, the service provides the edge node and performs the corresponding service.
In an actual usage scenario, the service request edge node generally sends an environmental parameter to the service providing edge node, so as to inform the opposite party under what environment to perform the service, and the service providing edge node needs to perform the corresponding service after being configured according to the received environmental parameter.
In step a60, the service requests the edge node to pay a fee to the service providing edge node.
The cost per unit time P of the transaction can be calculated according to the method shown in the formula (1) pay ：
P pay ＝P u +(P s -P u )/2 (1)
Wherein P is s For the first target price, P u Is the second target price.
And then calculating the payment cost according to the unit time length of the price to be delivered multiplied by the service time length.
In an alternative embodiment, steps A2-A4 may also be included prior to step A10:
in step A2, the service providing edge node generates a first target price through a pricing interface provided by the application cloud platform;
in step A4, the service request edge node generates a second target price through a pricing interface provided by the application cloud platform.
The pricing interface provided by the application cloud platform includes three interface functions as shown in formulas (2) - (4):
Calculating an interface function of the unit duration cost:
P 0 ＝W×E b +B×I b (2)
wherein W is power, B is network bandwidth, E b Is the preset unit electricity cost, I b Is the preset cost of unit network bandwidth.
Calculating an interface function of the unit duration service rewards:
ΔP＝αP 0 ，α∈[0，1] (3)
wherein, alpha is a unit duration service rewarding benefit weight factor, alpha is a parameter which continuously fluctuates according to actual conditions, and the influencing factors mainly comprise CPU, GPU, storage and market regulation of network bandwidth of the edge nodes and autonomous regulation of each edge node.
Calculating an interface function for pricing the unit duration:
P＝P 0 +ΔP (4)
thus, in step A2, the service providing edge node generates a first target price according to the formulas shown in (5) - (7):
P′ s ＝W s ×E b +B s ×I b (5)
ΔP s ＝α s ×P′ s ，α s ∈[0，1] (6)
P s ＝P′ s +ΔP s (7)
wherein W is s Providing rated power of edge node for service, B s Providing network bandwidth of edge nodes for services, E b Is the preset unit electricity cost, I b The unit network bandwidth cost is preset; p'. s Providing the unit duration cost calculated by the edge node for the service; ΔP s Providing service rewards per unit time calculated by the edge node for the service; alpha s The service rewards benefit weight factor per unit length of the service providing edge node may be autonomously adjusted by the service providing edge node, and α s ∈[0，1]；P s For the calculated first target price.
Similarly, in step A3, the service request edge node generates a second target price according to the formulas shown in (8) - (10):
P′ u ＝W u ×E b +B u ×I b (8)
ΔP u ＝α u ×P′ u ，α u ∈[0，1] (9)
P u ＝P′ u +ΔP u (10)
wherein W is u For dressService request edge node rated power, B u Requesting network bandwidth of edge node for service, E b Is the preset unit electricity cost, I b The unit network bandwidth cost is preset; p'. u The unit duration cost calculated for the service request edge node; ΔP u Service rewards and benefits for the unit time length calculated by the service request edge node; alpha u The benefit weight factor of the service rewards for the unit time length of the service request edge node can be adjusted automatically by the service request edge node, and alpha u ∈[0，1]；P u For the calculated second target price.
In another alternative embodiment, step a70 or a80 may be further included after step a 60:
in step a70, the application cloud platform obtains information such as service start and end time, duration, payment transaction, and the like from the service providing edge node or the service requesting edge node, and performs storage backup.
In step a80, the service providing edge node or the service requesting edge node stores the information such as the service start and end time, duration, payment transaction and the like through encryption conversion of the blockchain miner node.
FIG. 2 is an example of communication between a plurality of service providing edge nodes, a plurality of service requesting edge nodes, and a cloud application platform in an embodiment of the present invention. As shown in fig. 2, in an actual application scenario, a service providing edge node may establish a connection with one or more service requesting edge nodes according to its own resource status, and execute tasks of each service requesting edge node by creating a Docker mirror image and configuring a container environment, where each task is kept isolated by a container. In addition, a service requesting edge node may also establish a connection with one or more service providing edge nodes.
Fig. 3 is a schematic diagram of the main steps of a second embodiment of the secure trusted edge collaboration method based on a payment mechanism. As shown in fig. 3, the method of the present embodiment includes steps B10-B30:
in step B10, the application cloud platform obtains service providing information from the service providing edge node.
Wherein the service providing information includes: the provided configuration parameter information and the first target price; the provided configuration parameter information comprises: device name, model, CPU main frequency parameters, GPU model, storage space size, position coordinates, rated power and network bandwidth.
In step B20, the application cloud platform obtains service request information from the service request edge node.
Wherein the service request information includes: desired configuration parameter information, and a second target price; the desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth, and location coordinates.
In step B30, the application cloud platform performs matching according to the service providing information and the service request information, and sends the ID number of the service providing edge node to the service requesting edge node according to the matching result, so that the service requesting edge node and the service providing edge node establish service connection, complete the requested task and pay the fee. Specifically comprises the steps of B32-B38:
in step B32, the application cloud platform generates a set of service providing edge nodes that satisfy the first condition according to the principle that the second target price is not less than the first target price (i.e., the first condition).
In step B34, in the set of service providing edge nodes that satisfies the first condition, according to the CPU dominant frequency, GPU performance, storage size and bandwidth size in the configuration parameter information expected by the service requesting edge node while satisfying the CPU dominant frequency, GPU performance, storage size and bandwidth size principle (i.e. the second condition) that is not higher than the configuration parameter information provided by the service providing edge node correspondingly, the set of service providing edge nodes that satisfies the second condition is generated.
In step B36, if the set of service providing edge nodes satisfying the second condition is not empty, calculating a distance according to the position coordinates of the service requesting edge node and the position coordinates of the service providing edge node, and transmitting the ID of the service providing edge node with the minimum distance to the service requesting edge node; otherwise, step B38 is performed.
In step B38, pushing service providing information corresponding to the service providing edge node meeting the desired configuration parameter information and service providing information corresponding to the service providing edge node meeting the second target price to the service requesting edge node respectively, and waiting for the service requesting edge node to adjust the second target price or the desired configuration parameter information; if an adjustment occurs, the process jumps to step B32.
In practical application, the application cloud platform may also notify the service providing edge node that accords with the expected configuration parameter information to adjust the first target price so as to be equal to the second target price.
In an alternative embodiment, step B5 may be further included before step B10:
in step B5, the application cloud platform provides a pricing interface as shown in formulas (2) - (4) such that the service providing edge node and the service requesting edge node generate a first target price and a second target price, respectively, according to the pricing interface.
In another alternative embodiment, step B40 may be further included after step B30:
in step B40, the application cloud platform obtains information such as service start and end time, duration, payment transaction and the like from the service providing edge node or the service requesting edge node, and performs storage backup.
Although the steps are described in the above-described sequential order in the above-described embodiments, it will be appreciated by those skilled in the art that in order to achieve the effects of the present embodiments, the steps need not be performed in such order, and may be performed simultaneously (in parallel) or in reverse order, and such simple variations are within the scope of the present invention.
Based on the same technical conception as the method embodiment, the invention also provides an edge cooperative system, and the following detailed description is provided.
Fig. 4 is a schematic diagram of the main components of a first embodiment of the secure trusted edge collaboration system based on the payment mechanism of the present invention. The system of the present embodiment includes: a cloud platform and a plurality of edge nodes are applied. The mode of operation of each edge node includes: a service providing mode and a service request mode; in the service providing mode, the edge node is referred to as a service providing edge node; in service request mode, the edge node is referred to as a service request edge node. The dashed arrow in fig. 4 illustrates the communication relationship between the service providing edge node 1, the service requesting edge node 2 and the application cloud platform 3.
Wherein the service edge providing node 1 is configured to: sending service providing information to the application cloud platform 3; the service request edge node 2 is configured to: sending service request information to the application cloud platform, establishing connection with the service providing edge node according to the ID number of the service providing edge node sent by the application cloud platform, completing the task of requesting service and paying the cost; wherein the service providing information includes: the provided configuration parameter information and the first target price; the service request information includes: desired configuration parameter information, and a second target price. The application cloud platform 3 is configured to: and matching is carried out according to the service providing information and the service request information, and the ID number of the service providing edge node is sent to the service request edge node according to the matching result.
Each edge node includes: the system comprises a central processing module, a service pricing module, a service publishing module, a service discovery module, a security execution module and a service account book module.
The central processing module is configured to: and the communication connection is established with the application cloud platform and is used for calculating, storing and communicating, and controlling the service pricing module, the service publishing module, the service discovery module, the security execution module and the service account book module to complete corresponding operations, such as calculating, storing and communicating. The central processing module is also communicated with the application cloud platform and is used for managing the application of the edge service platform, including installation, updating, unloading and the like; the central processing module has the unique identification ID of the edge node, and for the service providing edge node and the service request edge node with the configuration parameter information and the target price matched, the central processing module establishes connection.
The service pricing module is configured to: setting provided configuration parameter information in a service providing mode, and generating a first target price; in the service request mode, desired configuration parameter information is set, and a second target price is generated.
The service release module is configured to: and in the service providing mode, sending service providing information to the cloud application platform.
The service discovery module is configured to: and in the service request mode, sending service request information to the application cloud platform, and establishing service connection with the service providing edge node according to the ID number of the service providing edge node sent by the application cloud platform.
The secure execution module is configured to: a secure trusted execution environment is created and services are executed.
The service ledger module is configured to: transaction and billing are performed.
In practical applications, the application cloud platform may be further configured to: managing (including installing, updating, uninstalling, etc.) the application program of the edge node, and publishing and managing the new application program; the new application may be released to the application platform by authorized developers, who may restrict the deployment of edge nodes by area and number. Each edge node obtains a unique identification ID through application cloud platform registration authentication, and obtains the latest application program.
Fig. 5 is a schematic diagram of a second embodiment of the secure trusted edge collaboration system based on a payment mechanism. As shown in fig. 5, in comparison with the first embodiment of the system in fig. 4, each edge node in the second embodiment further includes: and a system parameter module.
The system parameter module is configured to: acquiring system parameters of the edge node, wherein the system parameters comprise: the name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, power and network bandwidth of hardware equipment.
Compared to the first system embodiment, the application cloud platform in this embodiment is further configured to: providing a pricing interface; the service pricing module is specifically configured to: in a service providing mode, setting provided configuration parameter information according to system parameters, and accessing a pricing interface of an application cloud platform to generate a first target price; in a service request mode, setting expected configuration parameter information according to system parameters, and accessing a pricing interface of an application cloud platform to generate a second target price; the central processing module is further configured to: in a service providing mode, the provided configuration parameter information is sent to an application cloud platform; and in the service request mode, sending the expected configuration parameter information to the application cloud platform.
Wherein the provided configuration parameter information comprises: device name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, rated power, network bandwidth, etc.; the desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth and location coordinates, and the like.
In this application, the module division is performed on the edge collaboration system, which is only for better understanding of the functions related to the technical solution of the present invention, and in practice, the functions corresponding to these modules may be loaded and executed by a single hardware loader.
Those of skill in the art will appreciate that the various illustrative method steps, modules, and steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of functionality in order to clearly illustrate the interchangeability of electronic hardware and software. Whether such functionality is implemented as electronic hardware or software depends upon the particular application and design constraints imposed on the solution. Those skilled in the art may implement the described functionality using different approaches for each particular application, but such implementation is not intended to be limiting.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
Claims (9)
1. A secure trusted edge collaboration method based on a payment mechanism, the method comprising:
step A2, a service providing edge node generates a first target price through a pricing interface provided by an application cloud platform;
step A4, the service request edge node generates a second target price through a pricing interface provided by the application cloud platform;
the pricing interface provided by the application cloud platform comprises:
calculating an interface function of the unit duration cost:
P 0 ＝W×E b +B×I b
wherein W is power, B is network bandwidth, E b Is the preset unit electricity cost, I b The unit network bandwidth cost is preset;
calculating an interface function of the unit duration service rewards:
ΔP＝αP 0 ,α∈[0,1]
wherein, alpha is a unit duration service rewarding income weight factor, alpha is a parameter which continuously fluctuates according to actual conditions, and the influencing factors mainly comprise CPU, GPU, storage and market regulation of network bandwidth of the edge nodes and autonomous regulation of each edge node;
Calculating an interface function for pricing the unit duration:
P＝P 0 +ΔP；
step a10, the service providing edge node sends service providing information to the application cloud platform, where the service providing information includes: the provided configuration parameter information and the first target price;
step a20, the service request edge node sends service request information to the application cloud platform, where the service request information includes: desired configuration parameter information, and a second target price;
step A30, the application cloud platform performs matching according to the service providing information and the service request information, and sends the ID number of the service providing edge node to the service request edge node according to a matching result;
step A32, the application cloud platform generates a service providing edge node set meeting a first condition according to the principle that the second target price is not less than the first target price;
step A34, in the service providing edge node set meeting the first condition, generating a service providing edge node set meeting the second condition according to the main frequency, GPU performance, storage size and bandwidth size of the CPU in the configuration parameter information expected by the service requesting edge node and simultaneously meeting the main frequency, GPU performance, storage size and bandwidth size principles of the CPU in the configuration parameter information provided by the service providing edge node correspondingly;
Step A36, if the set of service providing edge nodes meeting the second condition is not empty, calculating a distance according to the position coordinates of the service requesting edge node and the position coordinates of the service providing edge node, and transmitting the ID of the service providing edge node with the minimum distance to the service requesting edge node; otherwise, go to step a38;
step A38, pushing service providing information of a service providing edge node meeting expected configuration parameter information and service providing information of a service providing edge node meeting a second target price to the service requesting edge node respectively, and waiting for the service requesting edge node to adjust the expected second target price or the configuration parameter information; if the adjustment occurs, jumping to the step A32;
step A40, the service request edge node establishes connection with the service providing edge node according to the ID number of the service providing edge node;
step A50, the service providing edge node executes corresponding service;
step a60, the service requests the edge node to pay a fee to the service providing edge node.
2. The secure trusted edge collaboration method based on a payment mechanism of claim 1,
The provided configuration parameter information comprises: device name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, rated power and network bandwidth;
the desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth, and location coordinates.
3. The payment mechanism-based secure trusted edge collaboration method of claim 1, wherein the method further comprises:
step A70, the application cloud platform acquires service start and end time, duration and payment transaction information from the service providing edge node or the service requesting edge node, and performs storage backup; or,
and step A80, the service providing edge node or the service requesting edge node stores the service start and end time, duration and payment transaction information through encryption, conversion and storage of the blockchain miner node.
4. A secure trusted edge collaboration method based on a payment mechanism, the method comprising:
step B5, providing a pricing interface by using the cloud platform so that a service providing edge node and a service requesting edge node respectively generate a first target price and a second target price according to the pricing interface;
The pricing interface provided by the application cloud platform comprises:
calculating an interface function of the unit duration cost:
P 0 ＝W×E b +B×I b
wherein W is power, B is network bandwidth, E b Is the preset unit electricity cost, I b The unit network bandwidth cost is preset;
calculating an interface function of the unit duration service rewards:
ΔP＝αP 0 ,α∈[0,1]
wherein, alpha is a unit duration service rewarding income weight factor, alpha is a parameter which continuously fluctuates according to actual conditions, and the influencing factors mainly comprise CPU, GPU, storage, network state and market regulation of edge nodes;
calculating an interface function for pricing the unit duration:
P＝P 0 +ΔP；
step B10, the application cloud platform obtains service providing information from the service providing edge node, where the service providing information includes: the provided configuration parameter information and the first target price;
step B20, the application cloud platform obtains service request information from a service request edge node, where the service request information includes: desired configuration parameter information, and a second target price;
step B30, the application cloud platform performs matching according to the service providing information and the service request information, and sends the ID number of the service providing edge node to the service requesting edge node according to a matching result so as to enable the service requesting edge node to establish service connection with the service providing edge node, thereby completing the requested task and paying the cost;
Step B32, the application cloud platform generates a service providing edge node set meeting a first condition according to the principle that the second target price is not less than the first target price;
step B34, in the service providing edge node set meeting the first condition, generating a service providing edge node set meeting the second condition according to the main frequency, GPU performance, storage size and bandwidth size of the CPU in the configuration parameter information expected by the service requesting edge node and simultaneously meeting the main frequency, GPU performance, storage size and bandwidth size principles of the CPU in the configuration parameter information provided by the service providing edge node correspondingly;
step B36, if the set of service providing edge nodes meeting the second condition is not empty, calculating a distance according to the position coordinates of the service requesting edge node and the position coordinates of the service providing edge node, and transmitting the ID of the service providing edge node with the minimum distance to the service requesting edge node; otherwise, go to step B38;
step B38, pushing service providing information corresponding to the service providing edge node meeting the expected configuration parameter information and service providing information corresponding to the service providing edge node meeting the second target price to the service requesting edge node respectively, and waiting for the service requesting edge node to adjust the second target price or the expected configuration parameter information; if an adjustment occurs, the process jumps to step B32.
5. The payment mechanism-based secure trusted edge collaboration method as defined in claim 4, wherein:
the provided configuration parameter information comprises: device name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, rated power and network bandwidth;
the desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth, and location coordinates.
6. The payment mechanism-based secure trusted edge collaboration method of claim 4, wherein said method further comprises:
and step B40, the application cloud platform acquires service start and end time, duration and payment transaction information from the service providing edge node or the service requesting edge node, and performs storage backup.
7. A secure trusted edge collaboration system based on a payment mechanism, the system comprising: the cloud platform and the edge nodes are applied;
the operation mode of each edge node comprises: a service providing mode and a service request mode;
in the service providing mode, the edge node is referred to as a service providing edge node;
In the service request mode, the edge node is referred to as a service request edge node;
the service providing edge node generates a first target price through a pricing interface provided by the application cloud platform;
the service request edge node generates a second target price through a pricing interface provided by the application cloud platform;
the pricing interface provided by the application cloud platform comprises:
calculating an interface function of the unit duration cost:
P 0 ＝W×E b +B×I b
wherein W is power, B is network bandwidth, E b Is the preset unit electricity cost, I b The unit network bandwidth cost is preset;
calculating an interface function of the unit duration service rewards:
ΔP＝αP 0 ,α∈[0,1]
wherein, alpha is a unit duration service rewarding income weight factor, alpha is a parameter which continuously fluctuates according to actual conditions, and the influencing factors mainly comprise CPU, GPU, storage and market regulation of network bandwidth of the edge nodes and autonomous regulation of each edge node;
calculating an interface function for pricing the unit duration:
P＝P 0 +ΔP；
the service providing edge node is configured to: sending service providing information to the application cloud platform, wherein the service providing information comprises: the provided configuration parameter information and the first target price;
the service request edge node is configured to: sending service request information to the application cloud platform; establishing connection with the service providing edge node according to the ID number of the service providing edge node sent by the application cloud platform, completing the task of requesting service and paying the cost; wherein the service request information includes: desired configuration parameter information, and a second target price;
The application cloud platform is configured to: matching is carried out according to the service providing information and the service request information, and the ID number of the service providing edge node is sent to the service request edge node according to the matching result;
the application cloud platform generates a service providing edge node set meeting a first condition according to the principle that the second target price is not smaller than the first target price;
the cloud platform first unit is applied, in the service providing edge node set meeting the first condition, according to the CPU main frequency, GPU performance, storage size and bandwidth size in the configuration parameter information expected by the service requesting edge node, the principle of not higher than the CPU main frequency, GPU performance, storage size and bandwidth size in the configuration parameter information correspondingly provided by the service providing edge node is simultaneously met, and the service providing edge node set meeting the second condition is generated;
if the service providing edge node set meeting the second condition is not empty, calculating a distance according to the position coordinates of the service requesting edge node and the position coordinates of the service providing edge node, and sending the ID of the service providing edge node with the minimum distance to the service requesting edge node by using the cloud platform second unit; otherwise, executing to push the service providing information of the service providing edge node meeting the expected configuration parameter information and the service providing information of the service providing edge node meeting the second target price to the service requesting edge node respectively, and waiting for the service requesting edge node to adjust the expected second target price or the configuration parameter information; if the adjustment occurs, jumping to the first unit of the application cloud platform.
8. The secure trusted edge collaboration system based on the payment mechanism of claim 7,
each of the edge nodes includes: the system comprises a central processing module, a service pricing module, a service publishing module, a service discovery module, a security execution module and a service account book module;
the central processing module is configured to: the service pricing module, the service publishing module, the service discovery module, the security execution module and the service account book module are controlled to complete corresponding operations;
the service pricing module is configured to: setting provided configuration parameter information in the service providing mode, and generating a first target price; setting expected configuration parameter information in the service request mode, and generating a second target price;
the service distribution module is configured to: in the service providing mode, sending the service providing information to the application cloud platform;
the service discovery module is configured to: in the service request mode, sending the service request information to the application cloud platform, and establishing service connection with the service providing edge node according to the ID number of the service providing edge node sent by the application cloud platform;
The secure execution module is configured to: creating a safe and reliable execution environment and executing service;
the service ledger module is configured to: transaction and billing are performed.
9. The payment mechanism based secure trusted edge collaboration system of claim 8, wherein each of said edge nodes further comprises: a system parameter module;
the system parameter module is configured to: acquiring system parameters of an edge node, wherein the system parameters comprise: the name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, power and network bandwidth of the hardware device;
the application cloud platform is further configured to: providing a pricing interface;
the service pricing module is specifically configured to: in the service providing mode, according to the configuration parameter information provided by the system parameter setting, accessing a pricing interface of the application cloud platform to generate a first target price; in the service request mode, setting expected configuration parameter information according to the system parameters, and accessing a pricing interface of the application cloud platform to generate a second target price;
the central processing module is further configured to: in the service providing mode, the provided configuration parameter information is sent to the application cloud platform; in the service request mode, sending the expected configuration parameter information to the application cloud platform;
Wherein the provided configuration parameter information includes: device name, model, CPU main frequency parameter, GPU model, storage space size, position coordinates, rated power and network bandwidth;
the desired configuration parameter information includes: desired CPU dominant frequency parameters, desired GPU model, desired memory size, desired network bandwidth, and location coordinates.
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