CN113271137A - Cooperative processing method and storage medium for space-based network heterogeneous computational power resources - Google Patents
Cooperative processing method and storage medium for space-based network heterogeneous computational power resources Download PDFInfo
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- CN113271137A CN113271137A CN202110412644.1A CN202110412644A CN113271137A CN 113271137 A CN113271137 A CN 113271137A CN 202110412644 A CN202110412644 A CN 202110412644A CN 113271137 A CN113271137 A CN 113271137A
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Abstract
The invention discloses a readable storage medium of a cooperative processing method of space-based network heterogeneous computational power resources, which establishes a heterogeneous computational power resource information base on a satellite, stores the heterogeneous computational power of the satellite in the heterogeneous computational power resource information base, and synchronizes the heterogeneous computational power of the satellite to adjacent satellite nodes, so that when a certain satellite node needs the heterogeneous computational power, the heterogeneous computational power of the shortest path meeting the processing task processing requirement can be obtained for task processing, and when the space-based node is insufficient in self computational power, the computing power required by a task can be met by other satellite nodes in a cooperative manner, thereby accelerating the intelligentization level of a space network and being beneficial to improving the transmission and processing efficiency of the network.
Description
Technical Field
The invention relates to the technical field of space networks, in particular to a cooperative processing method of space-based network heterogeneous computational power resources and a readable storage medium.
Background
The network formed by communication satellites which are distributed on high and low orbits and interconnected through inter-satellite links provides differentiated communication services for the global vertical industry, and becomes the focus of competitive development of various countries. Particularly, with the progress of the aerospace electronic technology, the satellite computing capacity, the storage capacity and the like are greatly improved, and the construction and the development of a space large-scale communication network are powerfully promoted and supported. The emerging network space for interconnecting the space-based network and the ground network greatly enables the industry form, the business form and the development mode of network connection. However, the existing satellite can only realize the computing power of a single node, but cannot be used for performing collaborative computing in combination with other satellite nodes, thereby causing the waste of the computing power of the satellite.
Disclosure of Invention
The invention provides a cooperation method of space-based network heterogeneous computing power resources and a readable storage medium, which aim to solve the problem of computing power resource waste caused by the fact that computing power between space satellite nodes cannot be coordinately controlled in the prior art.
In a first aspect, the present invention provides a cooperative processing method for space-based network heterogeneous computing power resources, including: establishing a heterogeneous computational power resource information base of a satellite node, wherein the heterogeneous computational power of the satellite node is stored in the heterogeneous computational power resource information base, and the heterogeneous computational power is the computational power of idle resources of the satellite node; the satellite nodes interact heterogeneous computational power of a heterogeneous computational power resource information base to the adjacent satellite nodes; when a certain satellite node needs heterogeneous computational power, paths from the certain satellite node to other satellite nodes are calculated, and the heterogeneous computational power of the shortest path meeting the processing task processing requirement is obtained for task processing.
Optionally, the heterogeneous computational power includes computational power, storage power to support the computation, and link bandwidth power.
Optionally, the heterogeneous computation power further includes link delay information between the satellite node and other satellite nodes, and energy information and heat consumption information available to the satellite node.
Optionally, the heterogeneous computing power resource information base has a heterogeneous computing power stored according to a preset data storage form, so as to facilitate identification and processing.
Optionally, the heterogeneous computational power resource information base stores data according to a requirement of a preset vector table, where a data storage sequence set by the preset vector table is: satellite ID, computing power type, idle computing power resources, idle storage resources, link bandwidth, link latency, energy information, and heat rate information.
Optionally, the method for the satellite node to interact heterogeneous computation power of the heterogeneous computation power resource information base with the adjacent satellite node includes:
the satellite nodes exchange heterogeneous computational power of the heterogeneous computational power resource information base to adjacent satellite nodes, and carry satellite node identifications corresponding to the heterogeneous computational power resource information base in the exchange process, wherein the satellite node identifications are used for identifying the satellite nodes to which the heterogeneous computational power resource information bases belong.
Optionally, after the satellite node receives the heterogeneous computational power of the heterogeneous computational power resource information base sent by other satellite nodes, a node grouping table is established, the satellite node identification of each satellite node, the heterogeneous computational power of the satellite node, link delay information, bandwidth information, energy information and heat consumption information are correspondingly recorded through the node grouping table, and the node grouping is updated in real time.
Optionally, when the satellite node monitors that the heterogeneous computation power of the satellite node changes, or monitors that the content of the node grouping table stored in the satellite node is updated, the updated node grouping table is sent to the adjacent satellite node.
Optionally, when a certain satellite node needs heterogeneous computational power, calculating a path from the certain satellite node to another satellite node, and obtaining the heterogeneous computational power of the shortest path that meets the task processing requirement to perform task processing, including:
when a certain satellite node needs heterogeneous computational power, the paths from the certain satellite node to other satellite nodes are calculated according to the node grouping table stored in the certain satellite node, and the heterogeneous computational power of the shortest path meeting the processing task processing requirement is obtained for task processing.
In a second aspect, the present invention provides a computer-readable storage medium, which stores a signal-mapped computer program, and when the computer program is executed by at least one processor, the computer program implements the cooperative processing method for the space-based network heterogeneous computational power resources described in any one of the above.
The invention has the following beneficial effects:
according to the invention, the heterogeneous computational power resource information base is established on the satellite, the heterogeneous computational power of the satellite is stored in the heterogeneous computational power resource information base, and the heterogeneous computational power of the satellite is synchronized to the adjacent satellite nodes, so that when a certain satellite node needs heterogeneous computational power, the heterogeneous computational power which meets the shortest path of processing task processing requirements can be obtained for task processing, and the computing power which meets the task requirements through cooperation of other satellite nodes can be realized when the self computational power of a space-based node is insufficient, thereby accelerating the improvement of the intelligent level of a spatial network, and being beneficial to the improvement of the transmission and processing efficiency of the network.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
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Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic flowchart of a cooperative processing method for heterogeneous computing resources of a space-based network according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a satellite node heterogeneous computing power facility according to a first embodiment of the present invention;
fig. 3 is a flowchart illustrating a method for establishing a heterogeneous computational resource information base according to a first embodiment of the present invention;
fig. 4 is a schematic diagram of a network heterogeneous computation force sensing framework according to a first embodiment of the present invention.
Detailed Description
Aiming at the problem of computing power resource waste caused by incapability of coordinated control of computing power among space satellite nodes, the invention establishes the heterogeneous computing power resource information base on the satellite, stores the heterogeneous computing power of the satellite in the heterogeneous computing power resource information base, and synchronizes the heterogeneous computing power of the satellite to adjacent satellite nodes, so that when a certain satellite node needs the heterogeneous computing power, the heterogeneous computing power of the shortest path meeting the processing task processing requirement can be obtained for task processing, and the computing power required by a task can be met by other satellite nodes in a cooperative manner when the computing power of a space-based node is insufficient, thereby accelerating the improvement of the intelligent level of a space network and being beneficial to improving the transmission and processing efficiency of the network. The present invention will be described in further detail below with reference to the drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
A first embodiment of the present invention provides a cooperative processing method for space-based network heterogeneous computational power resources, referring to fig. 1, the method includes:
s101, establishing a heterogeneous computational power resource information base of a satellite node, wherein the heterogeneous computational power of the satellite node is stored in the heterogeneous computational power resource information base, and the heterogeneous computational power is the computational power of idle resources of the satellite node;
it should be noted that, in the embodiment of the present invention, a heterogeneous computation power resource information base is established on each satellite node, and the heterogeneous computation power resource information base stores a heterogeneous computation power, that is, an idle computation power, which can be provided for other satellite nodes by itself.
In specific implementation, in order to facilitate identification and processing, the heterogeneous computational power of the heterogeneous computational power resource information base according to the embodiment of the present invention is stored according to a preset data storage form.
S102, the satellite nodes interact heterogeneous computing power of a heterogeneous computing power resource information base to the adjacent satellite nodes;
specifically, in the embodiment of the present invention, the heterogeneous computational power of the satellite node in the heterogeneous computational power resource information base is interacted with the adjacent satellite node, and a satellite node identifier corresponding to the own heterogeneous computational power resource information base is carried in the interaction process, where the satellite node identifier is used to identify the satellite node to which the heterogeneous computational power resource information base belongs.
When the satellite nodes receive the heterogeneous computational power of the heterogeneous computational power resource information base sent by other satellite nodes, a node grouping table is established, satellite node identification of each satellite node, the heterogeneous computational power of the satellite nodes, link time delay information, bandwidth information, energy information, heat consumption information and the like are correspondingly recorded through the node grouping table, and the node grouping is updated in real time.
That is to say, the node grouping table in the embodiment of the present invention further stores all relevant information of other satellite nodes, including heterogeneous computation power, link delay information, bandwidth information, and the like, and those skilled in the art may perform any setting as needed, which is not discussed in detail herein.
It should be noted that, since the storage method on the satellite is different from the storage form of the ground server, how to store various data and the node group table may be set according to the actual situation, and this is not discussed in detail in the embodiment of the present invention.
In addition, in specific implementation, each satellite node in the embodiment of the present invention needs to monitor the change of the own heterogeneous computation power, and also needs to monitor the change of the heterogeneous computation powers of other satellite nodes, and when the satellite node monitors that the own heterogeneous computation power changes or monitors that the contents of the node grouping table stored in the satellite node are updated, the updated node grouping table is sent to the adjacent satellite node.
For the change of other satellite nodes, the satellite node can be obtained based on the node grouping table sent by other satellite nodes, the node grouping table of the satellite node is updated according to the obtained node grouping table, and then the updated node grouping table is sent to other satellite nodes.
S103, when a certain satellite node needs heterogeneous computing power, paths from the certain satellite node to other satellite nodes are calculated, and the heterogeneous computing power of the shortest path meeting the task processing requirement is obtained for task processing.
Specifically, in the embodiment of the present invention, when a certain satellite node needs heterogeneous computation power, the path from the certain satellite node to another satellite node is calculated according to the node grouping table stored in the certain satellite node, and the heterogeneous computation power of the shortest path that meets the processing task processing requirement is obtained to perform task processing.
That is, the embodiment of the present invention can retrieve and complete the task processing by calculating and finding the appropriate heterogeneous computation power when the task is required.
Generally, the embodiment of the invention provides an active interactive method for sensing computing power resources with heterogeneous space-based networks aiming at the problem that computing power resources with heterogeneous space-based networks cannot be sensed mutually, so that the problems of discovery, matching and sharing of computing power resources distributed on satellite nodes of the space-based networks are solved.
The method according to the invention will be described below with reference to fig. 2-4, by way of a specific example:
the embodiment of the invention provides a space-based network heterogeneous computational power resource perception method based on active interaction, which comprises the following steps:
firstly, establishing a heterogeneous computational power resource information base of the satellite node.
As shown in fig. 2, the satellite node heterogeneous computation power of the embodiment of the present invention includes computation power, storage power for supporting computation, link bandwidth, and other capabilities. In the aspect of computing power, the satellite power computing facility mainly comprises a CPU, a GPU, a DSP, an FPGA, an ASIC chip and the like, wherein the CPU provides a power computing main logic intensive task, the GPU provides a power computing main large-scale matrix computing task, the DSP provides a power computing main computing intensive and data intensive task, the FPGA provides a power computing main signal intensive task and a parallel processing task, and the ASIC chip provides a special power computing service according to the customization characteristics of the ASIC chip.
In the aspect of constructing a heterogeneous computing power resource information base, the embodiment of the invention mainly provides idle computing power resources, idle storage resources and available link bandwidth resources in a current period of time according to different computing power types, and simultaneously comprises link delay information between nodes, available energy information, heat consumption information and the like. Therefore, in order to facilitate identification and processing, a vector table constructed by a quantitative information base is uniformly provided, and the specific representation of the vector table is < satellite ID, calculation power type, idle calculation power resource, idle storage resource, link bandwidth, link delay, energy information and heat consumption information >, wherein the calculation power type comprises CPU, GPU, DSP, FPGA, ASIC and the like, the calculation power resource respectively corresponds to necessary information such as CPU architecture, main frequency, core number, thread number and the like, GPU type, floating point operation residual capacity, DSP type, floating point operation residual capacity, FPGA type, floating point operation residual capacity, ASIC type, calculation residual capacity and the like. The storage resources comprise storage types such as RAM, FLASH and the like, storage residual capacity bits and the like, link bandwidth comprising transmission bit number per second, link delay millisecond, energy information watt and heat consumption information watt.
After the satellite node computing power facility is powered on and started and the operating system is initialized, a computing power resource information base is constructed according to the information vector table and maintained in the nonvolatile storage area.
As shown in fig. 3, the method for constructing a heterogeneous computational power resource information base according to the embodiment of the present invention includes: the satellite nodes inquire self computing facility, count computing resource conditions, count supporting computing resource conditions, construct computing resource information vectors and finally construct computing resource information base.
And step two, actively discovering neighbor nodes through inter-satellite links, and interacting node heterogeneous computational power resource information bases.
After the links among the satellite nodes are connected, the satellite nodes construct computing power groups, the computing power groups are sent through the links among the satellite nodes, and the computing power groups of the opposite side are received to calculate the round-trip link time delay. The computing power grouping is carried out, and the content comprises a node heterogeneous computing power resource information base and is sent along with the inter-satellite link as the payload content of the inter-satellite link frame.
The node receives the computing power grouping sent by the opposite party through the inter-satellite link, analyzes a heterogeneous computing power information base of the neighbor node, establishes and maintains a network heterogeneous computing power resource database of the node in a nonvolatile storage area based on the computing power information base of the neighbor node, and records various heterogeneous computing power resource information of each neighbor node in the database.
The node encapsulates a network heterogeneous computational power resource database discovered by the node into a group named as a node group table and other names, wherein the group can start with an identifier of a sender and is followed by a neighbor node list, and the list corresponds to each neighbor node and has link state information from the sender to the neighbor nodes, such as delay, bandwidth and the like. And then sending the packet to a nearby neighbor node through the self inter-satellite link of the node.
And thirdly, computing power paths to other satellite nodes to form a network heterogeneous power computing sensing model.
According to a network heterogeneous computational power resource database of the nodes, a Dijkstra algorithm is utilized to calculate the shortest path based on the hop number, a network heterogeneous computational power resource perception model is formed based on a network heterogeneous computational power perception framework shown in FIG. 4, network changes are automatically perceived, and information in the perception model is updated autonomously in real time.
Generally speaking, the embodiment of the invention designs a method for sensing the heterogeneous computing power of the neighbor nodes by the space-based network node and performing cooperative allocation, and designs a heterogeneous computing power resource information vector format and a network heterogeneous computing power sensing frame, so that when the computing power of the space-based node is insufficient, the problem required by a task can be cooperatively met by other nodes. The invention accelerates the improvement of the intelligent level of the space network and is beneficial to improving the transmission and processing efficiency of the network.
A second embodiment of the present invention provides a computer-readable storage medium, which stores a signal-mapped computer program, and when the computer program is executed by at least one processor, the computer program implements the cooperative processing method for space-based network heterogeneous computational resources according to any one of the first embodiments of the present invention. The relevant content of the embodiments of the present invention can be understood by referring to the first embodiment of the present invention, and will not be discussed in detail herein.
Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, and the scope of the invention should not be limited to the embodiments described above.
Claims (10)
1. A cooperative processing method for space-based network heterogeneous computational power resources is characterized by comprising the following steps:
establishing a heterogeneous computational power resource information base of a satellite node, wherein the heterogeneous computational power of the satellite node is stored in the heterogeneous computational power resource information base, and the heterogeneous computational power is the computational power of idle resources of the satellite node;
the satellite nodes interact heterogeneous computational power of a heterogeneous computational power resource information base to the adjacent satellite nodes;
when a certain satellite node needs heterogeneous computational power, paths from the certain satellite node to other satellite nodes are calculated, and the heterogeneous computational power of the shortest path meeting the processing task processing requirement is obtained for task processing.
2. The method of claim 1,
the heterogeneous computing power includes computing power, storage power to support the computing, and link bandwidth capability.
3. The method of claim 2,
the heterogeneous computational power also comprises link time delay information between the satellite node and other satellite nodes, and available energy information and heat consumption information of the satellite node.
4. The method of claim 1,
the heterogeneous computing power of the heterogeneous computing power resource information base is stored according to a preset data storage form, so that the recognition and the processing are convenient.
5. The method of claim 4,
the heterogeneous computational power resource information base stores data according to the requirements of a preset vector table, and the preset vector table sets the data storage sequence as follows: satellite ID, computing power type, idle computing power resources, idle storage resources, link bandwidth, link latency, energy information, and heat rate information.
6. The method of claim 1, wherein the step of the satellite node interacting the heterogeneous computational power of the heterogeneous computational power resource information base with the satellite nodes adjacent to the satellite node comprises:
the satellite nodes exchange heterogeneous computational power of the heterogeneous computational power resource information base to adjacent satellite nodes, and carry satellite node identifications corresponding to the heterogeneous computational power resource information base in the exchange process, wherein the satellite node identifications are used for identifying the satellite nodes to which the heterogeneous computational power resource information bases belong.
7. The method of claim 6,
when the satellite nodes receive the heterogeneous computational power of the heterogeneous computational power resource information base sent by other satellite nodes, a node grouping table is established, satellite node identification of each satellite node, the heterogeneous computational power of the satellite nodes, link time delay information, bandwidth information, energy information and heat consumption information are correspondingly recorded through the node grouping table, and the node grouping is updated in real time.
8. The method of claim 7,
and when the satellite node monitors that the self heterogeneous computing power is changed or the content of the node grouping table stored by the satellite node is updated, the updated node grouping table is sent to the adjacent satellite node.
9. The method of claim 7, wherein when a satellite node needs heterogeneous computational power, computing a path from the satellite node to another satellite node, and obtaining the heterogeneous computational power of the shortest path that meets task processing requirements for task processing, comprises:
when a certain satellite node needs heterogeneous computational power, the paths from the certain satellite node to other satellite nodes are calculated according to the node grouping table stored in the certain satellite node, and the heterogeneous computational power of the shortest path meeting the processing task processing requirement is obtained for task processing.
10. A computer-readable storage medium, storing a signal-mapped computer program, which when executed by at least one processor implements the method for cooperative processing of space-based network heterogeneous computational resources of any one of claims 1-9.
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