CN115309743A - Multi-data center space situation awareness data sharing method, device and equipment - Google Patents
Multi-data center space situation awareness data sharing method, device and equipment Download PDFInfo
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Abstract
The invention provides a method, a device and equipment for sharing space situation awareness data of multiple data centers, and relates to the technical field of space situation awareness data sharing, wherein the method comprises the steps of constructing and expanding a uniform service registration center for space situation awareness data sharing application, wherein the uniform service registration center is formed by an UDDI (Universal description and discovery interface) data model; acquiring service information of at least one external data center, and registering on a unified service registration center according to the service information of each external data center; the method comprises the steps of obtaining a data sharing service request of a local data center, matching data information corresponding to the data sharing service request by using a unified service registration center, and then returning the data information to the local data center through the unified service registration center.
Description
Technical Field
The invention relates to the technical field of space situation awareness data sharing, in particular to a method, a device, equipment and a readable storage medium for sharing multi-data center space situation awareness data.
Background
At present, space situation awareness data and products are scattered in a plurality of data centers, and the space situation awareness data and the products cannot be completely converged into one center to provide unified service.
Disclosure of Invention
The invention aims to provide a multi-data center space situation awareness data sharing method, device and equipment and a readable storage medium, so as to solve the problems. In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the application provides a method for sharing space situation awareness data of multiple data centers, which includes: constructing and expanding a unified service registry for space situation awareness data sharing application, wherein the unified service registry is composed of a UDDI data model; acquiring service information of at least one external data center, and registering on the unified service registration center according to the service information of each external data center; and acquiring a data sharing service request of a local data center, matching data information corresponding to the data sharing service request by using the unified service registration center, and then returning the data information to the local data center through the unified service registration center.
In a second aspect, the present application further provides a multi-data center space situation awareness data sharing apparatus, including: the service center building unit is used for building and expanding a unified service registration center for space situation awareness data sharing application, and the unified service registration center is formed by a UDDI data model; the information registration unit is used for acquiring service information of at least one external data center and registering on the unified service registration center according to the service information of each external data center; and the demand matching unit is used for acquiring a data sharing service request of a local data center, matching data information corresponding to the data sharing service request by using the unified service registration center, and then returning the data information to the local data center through the unified service registration center.
In a third aspect, the present application further provides a multi-data center space situation awareness data sharing device, including:
a memory for storing a computer program;
a processor for implementing the steps of the multi-data center space situation awareness data sharing method when executing the computer program.
In a fourth aspect, the present application further provides a readable storage medium, where a computer program is stored, and the computer program, when executed by a processor, implements the steps of the above method for sensing data sharing based on space situation with multiple data centers.
The invention has the beneficial effects that:
1. according to the method and the device, the local data center does not need to store data resources of other external data centers, the requirements on the safety and the confidentiality of data of other external data centers are met, and the local data storage pressure is effectively reduced;
2. the method and the system adopt a service-oriented architecture, issue the service to the external center where the space situation awareness data is located, and perform calculation processing at the external center where the space situation awareness data is located, so that the calculation pressure of a local data center is effectively reduced, and the calculation power is more intensive and efficient.
3. The data structure of the UDDI registry is improved, so that the UDDI registry is suitable for sharing application of space situation awareness data products; and the service access speed is improved and the data sharing efficiency is improved by separating the data service and the data sharing service, establishing an indexer, establishing a multi-granularity service index and the like.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic flow chart of a multi-data center space situation awareness data sharing method according to an embodiment of the present invention;
FIG. 2 is an example of data encoding of a data center based on a binary tree structure according to an embodiment of the present invention;
FIG. 3 is a data encoding example of a data center based on a multi-way tree structure according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a multi-data center space situation awareness data sharing device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a multi-data center space situation awareness data sharing device according to an embodiment of the present invention.
The labels in the figure are: 1. a service center construction unit; 11. a service entity construction unit; 12. a metadata construction unit; 121. a first building element; 122. a second building element; 2. an information registration unit; 21. a data registration unit; 211. a second acquisition unit; 212. a first logic unit; 213. a second logic unit; 22. a perfecting unit; 23. an interface definition unit; 24. A service registration unit; 3. a demand matching unit; 31. a decomposition unit; 32. a third logic unit; 33. a fourth logic unit; 331. a retrieval unit; 332. a preferred unit; 333. a temporary backup unit; 800. multi-data center space situation awareness data sharing equipment; 801. a processor; 802. a memory; 803. a multimedia component; 804. an I/O interface; 805. and a communication component.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example 1:
the embodiment provides a method for sharing space situation awareness data of multiple data centers.
Referring to fig. 1, the method is shown to include steps S100, S200, and S300.
S100, constructing and expanding a unified service registry for space situation awareness data sharing application, wherein the unified service registry is formed by a UDDI data model.
Specifically, similar to the prior art, there are four data modules, namely businessEntity, businessense, bindingTemplate, and tModel. Specifically, steps S110 and S120 are included.
S110, constructing at least one service entity element, wherein each service entity module is used for describing an external data center and corresponding parameter information, and the parameter information comprises the name of the external data center, the identification of the external data center, the address of the external data center, the text description of the external data center and the service provided by the external data center.
Specifically, in the present application S110, a three-level data basic architecture, namely, businessEntity, businessense, and bindingTemplate, is constructed, wherein the following data expansion is performed on the space situation awareness data in the present application on the basis of the existing:
businessEntity is an entity for describing space situation awareness data providers (namely, external data centers for storing space situation awareness data) and description information thereof, and comprises the name of the external data centers, the identification of the external data centers, the address of the external data centers, the text description of the external data centers and the contained data of the external data centers;
businessessense describes services, data and related description information issued by a space situation awareness data provider entity, and comprises specific information such as names, identifications and descriptions of the services, names, identifications, descriptions, formats, time, dimensions, fields, languages, attributes, levels, membership and the like of the data;
the bindingTemplate provides service and data corresponding interface information for the space situation awareness data provider entity.
S120, metadata information is constructed and expanded, wherein the metadata information comprises a first metadata service used for a space situation awareness data service and a second metadata service used for a space situation awareness data sharing service, and the space situation awareness data sharing service is a data service which is additionally operated on the basis of space situation awareness data.
It should be noted that, in this application, the tModel is a step of constructing and expanding tModel. Specifically, in the present application, tModel is metadata information about space situation awareness data and space situation awareness data sharing services. I.e., tModel = { D, S }, where D is first metadata about a space situational awareness data service and S is second metadata about a space situational awareness data sharing service.
Specifically, the method is described. In the present application there is also an extension to the first metadata.
S121, a data retriever, an encapsulator and a receiver are constructed to serve as first metadata services, the data retriever is used for finding space situation awareness data corresponding to a data service request from data of an external data center, the encapsulator is used for encapsulating the found space situation awareness data and transmitting the encapsulated space situation awareness data to the corresponding receiver, and the receiver is used for transmitting the encapsulated space situation awareness data to a local data center.
The encapsulator encapsulates space situation awareness data and covers the whole process of encapsulating data required by an application layer into a data packet which can be transmitted in a network link according to a network transmission protocol; the receiver is used for receiving data, and covers the whole process of converting data packets transmitted by a network link into data required by an application layer. I.e., D = { indexer, wrapper, receiver }.
And S122, constructing a processing method retriever as a second metadata service, wherein the method retriever is used for retrieving at least one data additional processing method.
In the present application, data additional processing methods are classified into an encryption class, a modification class, and a visualization class. Namely S = { encryption, modification, visualization }, encryption = { key encryption, watermark encryption }, modification = { size clipping, time modification, reference conversion, attribute update, grade change }, visualization = { two-dimensional visualization, three-dimensional visualization }, key encryption = { key method 1, \8230: (key method n 1), watermark encryption = { watermark method 1, \8230;, watermark method n2}, size clipping = { clipping method 1, \8230: (attribute update method 1;, cropping method n3}, time modification = { modification method 1, \8230;, modification method n4}, reference conversion = { conversion method 1, \828282828230, conversion method n5}, attribute update = { update method 1, \\82308230, update method n6}, grade change = { change method 1,; (modification method 82307 }, two-dimensional visualization method 1, = { two-dimensional visualization 309; { visualization method, visualization method n 8; }, visualization method n 9;, three-dimensional visualization method =. Each of the above methods includes description information such as specific algorithm specification, expected efficiency and effect, and provides service registration options such as space situation awareness data range, scale, benchmark, attribute, level, and the like.
It should be noted that the indexer, the wrapper, the receiver, and the second metadata service constructed in S121 and S122 are all frame structures, and specific perfection thereof requires that data and a sharing service provided by an external data center corresponding to the indexer actually determine specific contents of the data and the sharing service.
S200, acquiring service information of at least one external data center, and registering on the unified service registration center according to the service information of each external data center.
Specifically, in the present application, the unified service registry registers businessEntity according to the name, address, text description of the external data center, and the type of the data and product contained in the data, and is given a unique identifier. And the data and the shared service in the data center are registered by combining the requirements of tModel and businessService.
Further, the process of registering the space situation awareness data service at the unified service registration center in the present application may include step S210, step S220, step S230 and step S240.
S210, registering the data name, format, time, size, scale, field, language, attribute, level, membership and other contents in the external data center, and giving a unique identifier according to an index structure of the data in the external data center.
Specifically, step S210 in the present application further includes step S211, step S212, and step S213.
S211, acquiring the data index structure condition of the external data center.
And S212, if the external data center has a data index structure, giving a unique code to each space situation awareness data in the external data center based on the data index structure of the external data center.
In the application, if the external data center adopts a specific data structure to structurally organize the space situation perception data, unique identification codes are given to data in the external data center according to the structure, and a data indexer is constructed by directly utilizing the index structure. An embodiment of data center data encoding based on binary tree structured organization is presented herein, as shown in fig. 2. And uniquely encoding the data in the external data center by using a binary tree structure, wherein the encoding form is binary tree encoding _ sequential encoding. The binary tree coding is coding of the node position in the binary tree where the data are located, and the sequence coding is the only coding of the data sequence in the node of the binary tree where the data are located. As shown in fig. 3, in the binary data tree structure, the binary tree code is 110 according to the position of the data node 2 in the binary tree, and the 1 st data code contained in the data node 2 is 110 \u1; similarly, all data may be given a unique identification, as shown in FIG. 2.
S213, if the external data center does not have a data index structure, sequentially constructing index nodes based on the scale, type and time of each space situation awareness data in the external data center, and endowing unique codes to the space situation awareness data included under each index node.
In the application, if the external central data does not adopt any structured organization form, a multi-level index is constructed according to the scale, type and time of the space situation perception data, and an index rule is defined. An embodiment based on a multi-way tree structure is presented here, as shown in fig. 3. And uniquely encoding the data in the external data center by using a multi-branch tree structure, wherein the encoding form is multi-branch tree encoding _ sequential encoding. Because the data nodes are all positioned at the leaves of the multi-way tree and the depths of the leaves are uniform, the data nodes are coded by adopting simplified multi-way tree coding, and the data nodes at the positions of the leaves of the multi-way tree in the figure 3 are sequentially coded to be 1, \8230; the sequential code is the only code of the data sequence in the data node of the multi-branch tree. The multi-branch tree constructed in fig. 3 is a structured organization of data of some external data center, the code of data node 1 at the leaf position of the multi-branch tree is 1, and the 1 st data code contained in the data node is 1 \u1, which has uniqueness; similarly, all data may be given a unique identification, as shown in FIG. 3.
And S220, perfecting the corresponding wrapper, receiver and indexer of each external data center.
It should be noted that, in the present application, the encapsulator, the receiver and the indexer are completed according to space situation awareness data provided by a specific external data center. The indexer is constructed and used for rapidly searching corresponding data, the indexer is constructed according to a data center data structured organization form, and an indexer indexing mechanism is mainly set. For the data center adopting the binary tree to organize data shown in the embodiment of fig. 2, an index mechanism combining the binary tree index and the traversal index is constructed, that is, data nodes are located by the binary tree index first, and then target data are located by data in the traversal data nodes; for the data center adopting the data organized by the multi-branch tree shown in the embodiment fig. 3, an index mechanism combining the multi-branch tree index and the traversal index is constructed, that is, the data node position is reversely pushed based on the ordering rule of the leaf node of the multi-branch tree, and then the target data is positioned by traversing the data in the data node. The encapsulator and the receiver are constructed according to a network transmission protocol. The encapsulator encapsulates data, and covers the whole process of encapsulating data required by an application layer into a data packet capable of being transmitted in a network link according to a network transmission protocol; the receiver is used for receiving data, and covers the whole process of converting data packets transmitted by a network link into data required by an application layer.
And S230, defining interface information of the data service according to the bindingTemplate.
The method comprises the steps of setting interfaces for various data of a wrapper, a receiver, an indexer and a data center. The interfaces of the wrapper, the receiver and the indexer are external interfaces and are used for data transmission and sharing application; various data interfaces of the data center are internal interfaces for the indexer to call.
S240, obtaining the shared service information of each external data center, and registering the shared service information if the external data center comprises the shared service information.
It should be noted that, in the present application, the shared service is an additional operation method for data.
Step S240 in the present application further includes the following step S241, step S242, and step S243.
And S241, registering the name of the shared service in the shared service information, the description of the shared service and the identification code of the shared service.
Meanwhile, in order to achieve the purpose of quickly identifying the shared service and accurately identifying and using the shared service when the shared service is used in a nested mode, the shared service relationship is divided from coarse to fine in the application. Namely, three special shared services of encryption, modification and visualization are defined. Each service may adopt different methods for different contents, and the necessary information such as the contents, methods, expected effects, applicable range, etc. of each shared service is illustrated and described. Meanwhile, according to the organization structure of various shared services with different contents and different methods by the tModel, a unique identification code is given to the shared service to be registered in a multi-branch tree structure mode, and the encoding form is service encoding-content encoding-method encoding. In this embodiment, the encryption service, the modification service, and the visualization service are sequentially encoded as 1, 2, and 3, the key encryption and the watermark encryption in the encryption service are sequentially encoded as 1 and 2, the size clipping, the time modification, the reference conversion, the attribute updating, and the level change in the modification service are sequentially encoded as 1 to 5, and the two-dimensional visualization and the three-dimensional visualization in the visualization service are sequentially encoded as 1 and 2. For example, the identification code of the data encryption service performed by the key encryption method 1 is 1 \u1, and the identification code of the two-dimensional visualization service performed by the two-dimensional visualization method 1 is 3 \u1.
S242, register an option to share the service.
It should be noted that, some operation objects of a specific sharing service, that is, a data addition operation method, are specific, and an optional item needs to be registered as needed to limit the operation objects. The selectable items of the data sharing service in the embodiment include data range, scale, benchmark, attribute and level, and include naming and description of the selectable items.
S243, according to the bindingTemplate, registering the sharing service interface.
Specifically, the present application includes interface settings for various shared services and options. The various shared service interfaces and the selectable interfaces are external interfaces and provide services for users; the selectable item also includes an interface to the indexer that enables it to add indexing conditions to the indexer.
S300, acquiring a data sharing service request of the local data center, matching data information corresponding to the data sharing service request by using the unified service registration center, and then returning the data information to the local data center through the unified service registration center.
It should be noted that, in the present application, the unified service registry and the external data center perform data retrieval through an interface, and the external data center also performs data additional processing on the space situation awareness data.
In the present application, step S300 further includes step S310, step S320 and step S330, so that the unified service registry matches the data information corresponding to the data sharing service request.
S310, decomposing the data sharing service request to obtain the data service and/or the sharing service.
The embodiment normalizes the data requirements by adopting conditional retrieval. For example, the local data requirement is satellite attitude data numbered 001 at 2020-12-1 day 12, and the required search conditions are: attitude data < time =2020-12-1 12, satellite number =001>. Similarly, the data requirements of the local data center can be unified as a retrieval condition. The indexer of the data center in this embodiment can perform retrieval conditionally, unify data requirements as retrieval conditions, and facilitate retrieval of data by the indexer. Firstly, a local data center indexer is utilized to carry out retrieval according to requirement conditions, and if proper data results can be retrieved from the local data center, the data need not be obtained from other data centers; otherwise, the combined service scheme is retrieved, namely the requirement decomposition task, and the data service and the sharing service are further planned.
It should be noted that, in the present application, the unified service registry searches the data service according to the index mechanism established in the previous stage. Different external data centers can search for qualified data quickly through indexers, and the indexers enable data services to be searched quickly in the unified service registry. Thus, the traversal data service searches for data results that match the demand by traversing each indexer. If the user demand is only data, then data services that are consistent or highly similar to the demand condition are matched by traversing the data services.
S320, if the data service request includes data service, traversing all the space situation awareness data by using a data indexer of the unified service registration center, searching matched space situation awareness data, and returning the matched space situation awareness data; and if the space situation perception data matched with the requirements do not exist, retrieving the combined service scheme.
It should be noted that, in this embodiment, for the numerical condition, the precise matching is performed through mathematical calculation; as for Semantic conditions, a DSSM method proposed by Huang Posesn et al in the article of Learning Deep Structured Semantic Models for Web Search using Clickthrough Data can be used for fuzzy matching. If no data result matching the requirement exists, further searching from the combination of the data service and the sharing service, and preferentially searching from the combination of the data service and the modification service.
S330, if the data service request comprises the shared service, searching the combined service scheme.
In the present application, step S330 includes step S331 and step S332.
S331, obtaining at least one combined service scheme according to matching retrieval of a method retriever of the unified service registration center, wherein the combined service scheme comprises space situation awareness data and related information of a data additional processing method, and the related information comprises a name of the data additional processing method, input information of each data additional processing method, output information of each data additional processing method and a complex coefficient corresponding to the data additional processing method.
It should be noted that the method of matching and searching in step S331 is the same as that in step S320. Since semantic matching is designed in the present application, a unique composite service scheme or a plurality of composite service schemes are returned in the present embodiment. In the application, the combination service with the optimal expected efficiency effect is selected through the complex coefficient corresponding to the data additional processing method; and if no matching result exists, returning to be empty.
And S332, calculating to obtain demand data corresponding to the data sharing service request according to the optimal combined service scheme, wherein the optimal combined service scheme is the scheme with the lowest complex coefficient of the data additional processing method in all combined service schemes.
For ease of understanding, the present embodiment is specifically described as follows: the first example: the local data center needs to be Q city remote sensing image data with P time covering a range of 20km × 20km, and the data can be obtained directly from an external data center or obtained by cutting data of the external data center. Thus, the composite service scheme is: { data service: remote sensing image < time = P, city = Q, range =20km × 20km > }. When the combined service scheme can not be directly searched, the method searcher directly returns a second combined service scheme of { data service: remote sensing image < time = P, city = Q >, sharing service: range clipping < range =20km × 20km }. The second example is: the local data center needs data of the Q city remote sensing image with P time covering a range of 20km × 20km under the B reference, and the data can be obtained by directly obtaining the data from an external data center through a reference conversion method B, or by cutting the data of the external data center and then obtaining the data through a reference conversion method B. Thus, the searcher returns two composite service schemes 1, { data service: remote sensing image < time = P, city = Q >, sharing service: reference conversion < conversion method B > and 2, { data service: remote sensing image < time = P, city = Q >, sharing service: range clipping < range =20km > and reference conversion < conversion method B >. Finally, the first variant is preferred.
It should be further noted that step S300 further includes step S340, where the unified service registry returns the data information to the local data center.
And S340, if the data information is obtained by the retrieval combination service scheme, the unified service registration center returns the processing result to the user in a Web page form, and stores the processing result in a local data center for temporary backup.
In the application, after the data obtained by the retrieval combined service scheme is backed up, the data can be used for updating data and products of the data center after later verification. In addition, in the embodiment, the data processing service is completed in the external data center, and only the processing result is returned to the user through the internet, so that the data processing pressure of the client is avoided, and the computing resources of each data center are reasonably utilized. In this embodiment, the encryption, modification, and visualization are all performed in the external data center matched to the registry. For example, a user proposes that 3-dimensional expression is performed on certain situation perception data by using 3D rendering, a matched data center processes the data by using a 3D rendering method, and a visualization result is returned to the user in a Web page form, and the data center where the user is located can obtain a 3-dimensional expression result meeting requirements without configuring a 3D rendering method.
Meanwhile, it should be noted that, in this embodiment, if the data information is not obtained by the combined search service scheme, the unified service registry transmits the data result to the user by using the encapsulator and the receiver through the internet.
Meanwhile, it can be understood that, in the present application, the retriever may also retrieve and return to null, that is, it means that the appropriate service is not found in this embodiment, the data result does not exist in the local data center, and the local data center is requested to check the correctness and rationality of the requirement; or further register for record so that the enrichment and perfection of each external data center is the data result.
Example 2:
as shown in fig. 4, this embodiment provides a multi-data center space situation awareness data sharing device, which includes:
the service center building unit 1 is used for building and expanding a unified service registration center for space situation awareness data sharing application, and the unified service registration center is formed by a UDDI data model.
And the information registration unit 2 is used for acquiring the service information of at least one external data center and registering on the unified service registration center according to the service information of each external data center.
And the requirement matching unit 3 is used for acquiring the data sharing service request of the local data center, matching the data information corresponding to the data sharing service request by using the unified service registration center, and then returning the data information to the local data center through the unified service registration center.
In some specific embodiments, the service center building unit 1 includes:
the service entity building unit 11 is configured to build at least one service entity element, where each service entity module is configured to describe an external data center and corresponding parameter information, and the parameter information includes a name of the external data center, an identifier of the external data center, an address of the external data center, a text description of the external data center, and a service provided by the external data center.
The metadata construction unit 12 is configured to construct and expand metadata information, where the metadata information includes a first metadata service used for a space situation awareness data service and a second metadata service used for a space situation awareness data sharing service, and the space situation awareness data sharing service is a data service that is additionally operated on the basis of space situation awareness data.
In some specific embodiments, the metadata construction unit 12 includes:
the first construction unit 121 is configured to construct a data retriever, an encapsulator, and a receiver as a first metadata service, where the data retriever is configured to search space situation awareness data corresponding to a data service request from data in an external data center, the encapsulator is configured to encapsulate the searched space situation awareness data and transmit the encapsulated space situation awareness data to the corresponding receiver, and the receiver is configured to transmit the encapsulated space situation awareness data to a local data center.
And a second construction unit 122 for constructing a processing method retriever as a second metadata service, the method retriever being for retrieving at least one data additional processing method.
In some specific embodiments, the information registering unit 2 includes:
the data registration unit 21 is configured to register contents such as data name, format, time, size, scale, domain, language, attribute, level, membership, and the like in the external data center, and assign a unique identifier according to an index structure of the data in the external data center.
And a perfecting unit 22 for perfecting the encapsulator, the receiver and the indexer corresponding to each external data center.
An interface definition unit 23, configured to define interface information of the data service according to the bindingTemplate.
The service registration unit 24 is configured to acquire shared service information of each external data center, and register the shared service information if the external data center includes the shared service information.
In some specific embodiments, the data registration unit 21 includes:
the second obtaining unit 211 is configured to obtain a data index structure of the external data center.
A first logic unit 212, configured to assign a unique code to each space situation awareness data in the external data center based on the data index structure of the external data center if the external data center has the data index structure.
The second logic unit 213 is configured to, if the external data center does not have a data index structure, sequentially construct index nodes based on the scale, type, and time of each piece of space situation awareness data in the external data center, and assign unique codes to the space situation awareness data included under each index node.
In some specific embodiments, the requirement matching unit 3 includes:
the decomposing unit 31 is configured to decompose the data sharing service request to obtain the data service and/or the sharing service.
And a third logic unit 32, configured to traverse all the space situation awareness data by using a data indexer of the unified service registration center, search for matched space situation awareness data, and return the matched space situation awareness data processed by the shared service if the data service request includes a data service. And if the space situation perception data matched with the requirements do not exist, retrieving the combined service scheme.
A fourth logic unit 33, configured to retrieve the composite service offering if the data service request includes the shared service.
In some specific embodiments, the fourth logic unit 33 includes:
the retrieval unit 331 is configured to obtain at least one composite service scheme through matching retrieval according to a method retriever of the unified service registry, where the composite service scheme includes space situation awareness data and related information of a data additional processing method, and the related information includes a name of the data additional processing method, input information of each data additional processing method, output information of each data additional processing method, and a complex coefficient corresponding to the data additional processing method.
The optimization unit 332 is configured to calculate demand data corresponding to the data sharing service request according to an optimal combined service scheme, where the optimal combined service scheme is a scheme with the lowest complexity coefficient of the data additional processing method in all combined service schemes.
And the temporary backup unit 333 is configured to, if the data information is obtained by the retrieval combination service scheme, return the processing result to the user in the form of a Web page by the unified service registration center, and store the processing result in the local data center for temporary backup.
It should be noted that, regarding the apparatus in the above embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be described in detail here.
Example 3:
corresponding to the above method embodiment, the present embodiment further provides a multi-data center space situation awareness data sharing device, and a multi-data center space situation awareness data sharing device described below and a multi-data center space situation awareness data sharing method described above may be referred to correspondingly.
Fig. 5 is a block diagram illustrating a multiple-data-center space situation aware data sharing device 800 in accordance with an exemplary embodiment. As shown in fig. 5, the multiple data center space situation awareness data sharing device 800 may include: a processor 801, a memory 802. The multiple data center space situation awareness data sharing device 800 may also include one or more of a multimedia component 803, an i/O interface 804, and a communications component 805.
The processor 801 is configured to control the overall operation of the multiple data center space situation awareness data sharing device 800, so as to complete all or part of the steps in the multiple data center space situation awareness data sharing method. The memory 802 is used to store various types of data to support operation of the multiple data center space situation awareness data sharing device 800, which may include, for example, instructions for any application or method operating on the multiple data center space situation awareness data sharing device 800, as well as application related data, such as contact data, transceived messages, pictures, audio, video, and so forth. The Memory 802 may be implemented by any type of volatile or non-volatile Memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically Erasable Programmable Read-Only Memory (EEPROM), erasable Programmable Read-Only Memory (EPROM), programmable Read-Only Memory (PROM), read-Only Memory (ROM), magnetic Memory, flash Memory, magnetic disk or optical disk. The multimedia components 803 may include screen and audio components. Wherein the screen may be, for example, a touch screen and the audio component is used for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving an external audio signal. The received audio signal may further be stored in the memory 802 or transmitted through the communication component 805. The audio assembly also includes at least one speaker for outputting audio signals. The I/O interface 804 provides an interface between the processor 801 and other interface modules, such as a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component 805 is used for wired or wireless communication between the multi-data center space situation awareness data sharing device 800 and other devices. Wireless communication, such as Wi-Fi, bluetooth, near Field Communication (NFC), 2G, 3G, or 4G, or a combination of one or more of them, so that the corresponding communication component 805 may include: wi-Fi module, bluetooth module, NFC module.
In an exemplary embodiment, the multiple data center space situational awareness data sharing Device 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the multiple data center situational awareness data sharing methods described above.
In another exemplary embodiment, a computer readable storage medium comprising program instructions which, when executed by a processor, implement the steps of the multi-data center space situation aware data sharing method described above is also provided. For example, the computer readable storage medium may be the memory 802 described above that includes program instructions executable by the processor 801 of the multiple data center space situation aware data sharing device 800 to perform the multiple data center space situation aware data sharing methods described above.
Example 4:
corresponding to the above method embodiment, a readable storage medium is also provided in this embodiment, and a readable storage medium described below and a multi-data center space situation awareness data sharing method described above may be referred to correspondingly.
A readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the multi-data center space situation aware data sharing method of the above method embodiments.
The readable storage medium may be a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and various other readable storage media capable of storing program codes.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A multi-data center space situation awareness data sharing method is characterized by comprising the following steps:
constructing and expanding a unified service registry for space situation awareness data sharing application, wherein the unified service registry is composed of a UDDI data model;
acquiring service information of at least one external data center, and registering on the unified service registration center according to the service information of each external data center;
and acquiring a data sharing service request of a local data center, matching data information corresponding to the data sharing service request by using the unified service registration center, and then returning the data information to the local data center through the unified service registration center.
2. The multi-data center space situation awareness data sharing method according to claim 1, wherein a unified service registry for space situation awareness data sharing applications is constructed and expanded, comprising:
constructing at least one service entity element, wherein each service entity module is used for describing an external data center and corresponding parameter information, and the parameter information comprises the name of the external data center, the identification of the external data center, the address of the external data center, the text description of the external data center and the service provided by the external data center;
the method comprises the steps of constructing and expanding metadata information, wherein the metadata information comprises a first metadata service used for a space situation awareness data service and a second metadata service used for a space situation awareness data sharing service, and the space situation awareness data sharing service is a data service which is additionally operated on the basis of space situation awareness data.
3. The method of claim 2 wherein building and extending a metadata hierarchy comprises:
a data retriever, an encapsulator and a receiver are constructed to serve as first metadata service, the data retriever is used for finding space situation awareness data corresponding to the data service request from data of an external data center, the encapsulator is used for encapsulating the found space situation awareness data and transmitting the encapsulated space situation awareness data to the corresponding receiver, and the receiver is used for transmitting the encapsulated space situation awareness data to the local data center;
and constructing a processing method retriever as a second metadata service, wherein the method retriever is used for retrieving at least one data additional processing method.
4. The multi-data center space situation awareness data sharing method according to claim 1, wherein registering on said unified service registry based on service information of each of said external data centers comprises:
acquiring the data index structure condition of an external data center;
if the external data center has a data index structure, each space situation awareness data in the external data center is endowed with a unique code based on the data index structure of the external data center;
if the external data center does not have a data index structure, sequentially constructing index nodes based on the scale, type and time of each space situation perception data in the external data center, and endowing the space situation perception data included under each index node with a unique code;
and if the data service request comprises the shared service, retrieving the combined service scheme.
5. A multi-data center space situation awareness data sharing device is characterized by comprising:
the service center building unit is used for building and expanding a unified service registration center for space situation awareness data sharing application, and the unified service registration center is formed by a UDDI data model;
the information registration unit is used for acquiring service information of at least one external data center and registering on the unified service registration center according to the service information of each external data center;
and the demand matching unit is used for acquiring a data sharing service request of a local data center, matching data information corresponding to the data sharing service request by using the unified service registration center, and then returning the data information to the local data center through the unified service registration center.
6. The multi-data center space situational awareness data sharing apparatus of claim 5, wherein said service center building unit comprises:
the service entity building unit is used for building at least one service entity element, each service entity module is used for describing one external data center and corresponding parameter information, and the parameter information comprises the name of the external data center, the identification of the external data center, the address of the external data center, the text description of the external data center and the service provided by the external data center;
the metadata construction unit is used for constructing and expanding metadata information, wherein the metadata information comprises a first metadata service used for a space situation awareness data service and a second metadata service used for a space situation awareness data sharing service, and the space situation awareness data sharing service is a data service which is additionally operated on the basis of space situation awareness data.
7. The multi-data center space situation awareness data sharing apparatus according to claim 6, wherein said metadata construction unit comprises:
the data service system comprises a first construction unit, a data retriever, an encapsulator and a receiver, wherein the first construction unit is used for constructing a data retriever, an encapsulator and a receiver as a first metadata service, the data retriever is used for finding out space situation sensing data corresponding to the data service request from data of an external data center, the encapsulator is used for encapsulating the found space situation sensing data and transmitting the encapsulated space situation sensing data to the corresponding receiver, and the receiver is used for transmitting the encapsulated space situation sensing data to the local data center;
and a second construction unit for constructing a processing method retriever as a second metadata service, the method retriever for retrieving at least one data additional processing method.
8. The multi-data center space situation awareness data sharing arrangement according to claim 5, wherein said information registering unit comprises:
the second unit is used for acquiring the data index structure condition of the external data center;
the space situation awareness data management system comprises a first logic unit, a second logic unit and a third logic unit, wherein the first logic unit is used for giving a unique code to each space situation awareness data in an external data center based on a data index structure of the external data center if the external data center has the data index structure;
and the second logic unit is used for sequentially constructing index nodes based on the scale, type and time of each space situation awareness data in the external data center if the external data center does not have a data index structure, and endowing unique codes to the space situation awareness data included under each index node.
9. A multi-data center space situation awareness data sharing device is characterized by comprising:
a memory for storing a computer program;
a processor for implementing the steps of the multiple data center space situation awareness data sharing method as claimed in any one of claims 1 to 4 when executing said computer program.
10. A readable storage medium, characterized by: the readable storage medium has stored thereon a computer program which, when executed by a processor, carries out the steps of the multi-data center space situational awareness data sharing method of any one of claims 1 to 4.
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| CN117149898A (en) * | 2023-10-31 | 2023-12-01 | 中科星图测控技术股份有限公司 | Mixed dimension space situation visualization system and method |
| CN117149898B (en) * | 2023-10-31 | 2024-03-26 | 中科星图测控技术股份有限公司 | Method based on mixed dimension space situation visualization system |
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