CN116506452B - Multi-cloud data storage method, device, equipment and storage medium - Google Patents

Multi-cloud data storage method, device, equipment and storage medium Download PDF

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CN116506452B
CN116506452B CN202310720526.6A CN202310720526A CN116506452B CN 116506452 B CN116506452 B CN 116506452B CN 202310720526 A CN202310720526 A CN 202310720526A CN 116506452 B CN116506452 B CN 116506452B
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information
storage
blockchain
cloud server
stored
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CN116506452A (en
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陈海锋
丁鼎
李朝霞
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China United Network Communications Group Co Ltd
Unicom Digital Technology Co Ltd
Unicom Cloud Data Co Ltd
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Unicom Digital Technology Co Ltd
Unicom Cloud Data Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/22—Payment schemes or models
    • G06Q20/28—Pre-payment schemes, e.g. "pay before"
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0283—Price estimation or determination
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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Abstract

The application provides a multi-cloud data storage method, a device, equipment and a storage medium, and relates to the technical field of cloud servers, wherein in the method, cloud server nodes issue and store white paper information on a blockchain; acquiring a storage requirement on a blockchain, and storing data to be stored corresponding to the storage requirement, wherein the storage requirement is initiated in the blockchain by a user node and issued in an intelligent contract mode, the data to be stored is uploaded to the blockchain by the user node when the storage requirement is initiated, and the storage requirement comprises storage service level protocol requirement information and pre-payment information of a cloud server; and releasing storage information on the blockchain so that after receiving the storage information, the blockchain miner node determines at least one signing cloud server for the user node according to the storage white book information and the storage requirements of all cloud server nodes uploading the storage information, and deducts the cost of the user node according to the price information to pay to the signing cloud server.

Description

Multi-cloud data storage method, device, equipment and storage medium
Technical Field
The present application relates to the field of cloud servers, and in particular, to a method, an apparatus, a device, and a storage medium for storing multi-cloud data.
Background
As single-cloud storage environments increasingly expose single-point failures and single-point locking, more and more users prefer to migrate file blocks to storage in multiple cloud service providers. Cloud computing (JointCloud Computing) is based on open collaboration among cloud service providers, and through deep fusion of multi-party cloud resources, developers can customize cloud services in a software definition mode conveniently, cloud value is created, and a new generation cloud computing mode of 'no service boundary, collaboration among clouds, easy sharing of resources and switchable value' is achieved.
Inter-cloud computing has begun to be applied to the field of data storage, where inter-cloud computing refers to the realization of sharing and scheduling of data and computing resources among multiple clouds to improve overall performance and reliability of a system. Inter-cloud computing enables virtualized resources among different clouds to provide services externally like a unified resource pool by connecting the virtualized resources. At present, a user selects two different cloud servers as public clouds, selects two different cloud servers as private clouds, the four cloud servers form an inter-cloud computing resource pool to provide services for the user, interconnection does not exist among the cloud servers, the user stores public data into the public servers, and private data is stored into the private servers.
However, the multi-cloud data storage method in the prior art has high data storage cost, cannot realize efficient sharing of server resources, and cannot overcome the problem of single-point failure.
Disclosure of Invention
The application provides a multi-cloud data storage method, a device, equipment and a storage medium, which are used for solving the technical problems that the multi-cloud data storage method in the prior art is high in data storage cost, cannot realize efficient sharing of server resources and cannot overcome single-point faults.
In a first aspect, the present application provides a multi-cloud data storage method, applied to a cloud server node, including:
issuing stored white paper information on a blockchain, wherein the stored white paper information comprises storage service level protocol information and price information of a cloud server;
acquiring a storage requirement on a blockchain, and storing data to be stored corresponding to the storage requirement, wherein the storage requirement is initiated in the blockchain by a user node and issued in an intelligent contract manner, the data to be stored is uploaded to the blockchain by the user node when the storage requirement is initiated, and the storage requirement comprises storage service level protocol requirement information and pre-payment information of a cloud server;
And releasing storage information on the blockchain so that after receiving the storage information, the blockchain miner node determines at least one signing cloud server for the user node according to the stored white paper book information and the storage requirements of all cloud server nodes uploading the storage information, and deducts the cost of the user node according to the price information to pay to the signing cloud server.
The cloud server node in the blockchain firstly distributes own stored white book information to the blockchain, after a user node distributes storage requirements in the blockchain, the cloud server node actively stores data in a resource pool of the user node and distributes storage information, and the blockchain miner node judges and automatically realizes deduction payment from a user account.
Optionally, after the publishing of the stored information on the blockchain, the method further includes:
if the cloud server node is a subscription cloud server, acquiring a query request on a blockchain, wherein the query request is issued by the user node on the blockchain;
according to the query request, querying the stored data to be stored to obtain query information;
and uploading the query information to a blockchain so that the user node performs information verification according to the query information.
After signing with the user node, the cloud server node not only supports the user to acquire the stored data, but also supports the query request of the user, and the user node can verify the security of the cloud server through the feedback result of the query request, so that the security and the reliability of resource sharing are further improved.
Optionally, after the publishing of the stored information on the blockchain, the method further includes:
and if the cloud server node is not a subscription cloud server, deleting the stored data to be stored.
After the cloud server node determines that the cloud server node does not sign up with the user node, the data to be stored corresponding to the user node which does not sign up can be directly deleted, so that the storage space is saved, the resource utilization rate is further improved, and the cost of data storage is reduced.
Optionally, after the publishing of the stored information on the blockchain, the method further includes:
and issuing price reduction information on the blockchain so that the blockchain miner node determines whether to update the contracted cloud server list according to the price reduction information.
Here, the cloud server node can issue the price reduction information after price reduction, and the blockchain miner node can redetermine the contracted cloud server of the user node according to the information to determine whether to replace the cloud server, so that the data storage cost is further saved, and the user experience is improved.
In a second aspect, the present application provides a multi-cloud data storage method, applied to a user node, the method comprising:
the method comprises the steps that a storage demand is initiated in a blockchain, the storage demand is issued in an intelligent contract mode, data to be stored is uploaded to the blockchain, a cloud server node obtains the storage demand on the blockchain, the data to be stored corresponding to the storage demand is stored, storage information is issued on the blockchain, the storage demand comprises storage service level agreement requirement information and pre-payment information of a cloud server, the storage information is used for the blockchain miner node to determine at least one signing cloud server for the user node according to storage white paper information and the storage demand of all cloud server nodes uploading the storage information after receiving the storage information, and payment of cost of the user node to the signing cloud server is deducted according to the price information, the storage white paper information is issued on the blockchain by the cloud server node, and the storage white paper information comprises storage service level agreement information and price information of the cloud server.
The application provides a cloud computing-based multi-cloud data storage method for cloud computing, which takes a blockchain as an entrance for connecting multi-cloud storage, when a user needs to realize data storage through cloud computing, a cloud server node in the blockchain can automatically store data to be stored and release storage information, so that a blockchain miner node determines a contracted cloud server for the user node through automatic screening.
Optionally, the uploading the data to be stored to the blockchain includes:
and encrypting the data to be stored to obtain encrypted data, and uploading the encrypted data to a blockchain.
When the data to be stored is uploaded to the blockchain, the method firstly encrypts the data to be stored, and further improves the security of data storage.
Optionally, the method further comprises:
Issuing a query request on a blockchain, so that a cloud server node corresponding to a contracted cloud server obtains the query request on the blockchain, querying stored data according to the query request to obtain query information, and uploading the query information to the blockchain;
and acquiring the query information from the block chain, and performing information verification according to the query information.
In order to ensure that all cloud servers truly store data, the user node can periodically initiate inquiry in the blockchain, and determine whether the data is safely and reliably stored or not through feedback of the signed cloud server, so that the safety and reliability of data storage are further improved, and the data safety is improved.
In a third aspect, the present application provides a multi-cloud data storage method applied to a multi-cloud data storage system, the system including a cloud server node, a user node, and a blockchain miner node, the method comprising:
the cloud server node issues stored white paper information on a blockchain, wherein the stored white paper information comprises storage service level protocol information and price information of the cloud server;
the method comprises the steps that a user node initiates a storage requirement in a blockchain, issues the storage requirement in an intelligent contract mode, and uploads data to be stored to the blockchain, wherein the storage requirement comprises storage service level agreement requirement information and pre-payment information of a cloud server;
The cloud server node acquires a storage requirement on a block chain and stores data to be stored corresponding to the storage requirement;
the cloud server node issues storage information on a blockchain;
after receiving the storage information, the blockchain miner node determines at least one signing cloud server for the user node according to the stored white paper book information and the storage requirement of all cloud server nodes uploading the storage information, and deducts the cost of the user node according to the price information to pay to the signing cloud server.
In a fourth aspect, the present application provides a multi-cloud data storage apparatus for use in a cloud server node, the apparatus comprising:
the system comprises a first issuing module, a second issuing module and a third issuing module, wherein the first issuing module is used for issuing and storing white paper information on a blockchain, and the stored white paper information comprises storage service level protocol information and price information of a cloud server;
the first processing module is used for acquiring a storage demand on a blockchain and storing data to be stored corresponding to the storage demand, wherein the storage demand is initiated in the blockchain by a user node and issued in an intelligent contract mode, the data to be stored is uploaded to the blockchain by the user node when the storage demand is initiated, and the storage demand comprises storage service level protocol requirement information and pre-payment information of a cloud server;
And the second release module is used for releasing the storage information on the blockchain so that after receiving the storage information, the blockchain miner node determines at least one signing cloud server for the user node according to the storage white paper book information and the storage requirement of all cloud server nodes uploading the storage information, and deducts the cost payment of the user node to the signing cloud server according to the price information.
Optionally, after the second publishing module is configured to publish the stored information on the blockchain, the apparatus further includes a query processing module configured to:
if the cloud server node is a subscription cloud server, acquiring a query request on a blockchain, wherein the query request is issued by the user node on the blockchain;
according to the query request, querying the stored data to be stored to obtain query information;
and uploading the query information to a blockchain so that the user node performs information verification according to the query information.
Optionally, after the second publishing module is configured to publish the stored information on the blockchain, the apparatus further includes a deleting module configured to:
And if the cloud server node is not a subscription cloud server, deleting the stored data to be stored.
Optionally, after the second publishing module is configured to publish the storage information on the blockchain, the apparatus further includes an updating module configured to:
and issuing price reduction information on the blockchain so that the blockchain miner node determines whether to update the contracted cloud server list according to the price reduction information.
In a fifth aspect, the present application provides a multi-cloud data storage apparatus for application to a user node, the apparatus comprising:
the system comprises an initiation module, a block chain management module and a user node, wherein the initiation module is used for initiating a storage requirement in the block chain, issuing the storage requirement in an intelligent contract mode, uploading data to be stored to the block chain, enabling the cloud server node to acquire the storage requirement on the block chain, storing the data to be stored corresponding to the storage requirement, and issuing storage information on the block chain, wherein the storage requirement comprises storage service level agreement requirement information and pre-payment information for a cloud server, the storage information is used for the block chain miner node to determine at least one signing cloud server for the user node according to the storage white paper information and the storage requirement of all cloud server nodes uploading the storage information after receiving the storage information, deducting the cost payment of the user node to the signing cloud server according to the price information, and the storage white paper information is issued on the block chain by the cloud server node and comprises the storage service level agreement information and the price information of the cloud server.
The initiation module is specifically configured to:
and encrypting the data to be stored to obtain encrypted data, and uploading the encrypted data to a blockchain.
Optionally, the above device further includes a query initiation module, configured to:
issuing a query request on a blockchain, so that a cloud server node corresponding to a contracted cloud server obtains the query request on the blockchain, querying stored data according to the query request to obtain query information, and uploading the query information to the blockchain;
and acquiring the query information from the block chain, and performing information verification according to the query information.
In a sixth aspect, the present application provides a multi-cloud data storage apparatus comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executes the computer-executable instructions stored by the memory, causing the at least one processor to perform the multi-cloud data storage method as described above in the first aspect and the various possible designs of the first aspect.
In a seventh aspect, the present application provides a multi-cloud data storage apparatus comprising: at least one processor and memory;
The memory stores computer-executable instructions;
the at least one processor executes the computer-executable instructions stored by the memory, causing the at least one processor to perform the multi-cloud data storage method as described above in the second aspect and the various possible designs of the second aspect.
In an eighth aspect, the present application provides a computer readable storage medium, in which computer executable instructions are stored, which when executed by a processor, implement the multi-cloud data storage method according to the first aspect and the various possible designs of the first aspect.
In a ninth aspect, the present application provides a computer readable storage medium, in which computer executable instructions are stored, which when executed by a processor, implement the multi-cloud data storage method according to the above second aspect and the various possible designs of the second aspect.
In a tenth aspect, the present application provides a computer program product comprising a computer program which, when executed by a processor, implements the multi-cloud data storage method according to the first aspect and the various possible designs of the first aspect.
In an eleventh aspect, the present application provides a computer program product comprising a computer program which, when executed by a processor, implements the multi-cloud data storage method according to the above second aspect and the various possible designs of the second aspect.
According to the multi-cloud data storage method, the device, the equipment and the storage medium, wherein the method is based on the blockchain technology, cloud server nodes in the blockchain firstly issue own stored white book information to the blockchain, after user nodes issue storage demands in the blockchain, the cloud server nodes actively store data in own resource pools and issue the stored information, and the blockchain miner nodes judge and automatically realize deduction payment from user accounts.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a multi-cloud data storage system architecture according to an embodiment of the present application;
fig. 2 is a flow chart of a multi-cloud data storage method according to an embodiment of the present application;
fig. 3 is a flow chart of another multi-cloud data storage method according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a multi-cloud data storage device according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a multi-cloud data storage device according to an embodiment of the present application.
Specific embodiments of the present disclosure have been shown by way of the above drawings and will be described in more detail below. These drawings and the written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the disclosed concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terms "first," "second," "third," and "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that, the user information (including but not limited to user equipment information, user personal information, etc.) and the data (including but not limited to data for analysis, stored data, presented data, etc.) related to the present application are information and data authorized by the user or fully authorized by each party, and the collection, use and processing of the related data need to comply with related laws and regulations and standards, and provide corresponding operation entries for the user to select authorization or rejection.
Because of the problem of platform locking of single cloud, the concept of inter-cloud computing appears, but the realization of inter-cloud computing is still lack of a complete scheme at present. Users are gradually considering accessing cloud resources of multiple cloud service providers, such as a company, and in order to improve data security, reduce risk of interruption of data access, and avoid monopoly by one enterprise, two public clouds are selected, and two private clouds are selected. The traditional multi-cloud access mode has the problems of overhigh cost, opaque data access, difficult resource sharing of different service providers, difficult resource pool mutual scheduling, poor compatibility of different service provider products and the like, and the problem of single-point locking of access still exists if a new cloud server provides multi-cloud access. Therefore, the multi-cloud data storage method in the prior art has high data storage cost, cannot realize efficient sharing of server resources, and cannot overcome the problem of single-point failure.
In order to solve the technical problems, the embodiment of the application provides a multi-cloud data storage method, a device, equipment and a storage medium. And a plurality of cloud servers form a storage blockchain, and release own service grade and cost on the blockchain, so that a storage user joins the blockchain and puts forward a storage service request and stored data. The cloud server meeting the requirements actively stores the data in the own resource pool, and when the address and the access authority of the data storage are released, the blockchain miner node judges and automatically deducts the stored expense from the user account.
Optionally, fig. 1 is a schematic diagram of a multi-cloud data storage system architecture according to an embodiment of the present application. As shown in fig. 1, the above architecture includes: a first cloud server node 101, a second cloud server node 102, a third cloud server node 103, a user node 104, and a blockchain miner node 105.
Wherein the blockchain miner node 105 may be a processor of a server providing blockchain services.
The cloud server nodes are also called cloud service providers, cloud servers and cloud storage service providers.
It will be appreciated that the number and specific structure of the cloud server nodes, the user nodes, and the blockchain miner nodes may be determined according to practical situations, and fig. 1 is only schematic, and the number of the nodes is not specifically limited in the embodiment of the present application.
The nodes are all nodes connected in the blockchain network, the nodes can be cloud servers, servers or terminal equipment, and the like, and any two nodes can communicate through the blockchain network.
The cloud server node, the user node and the blockchain miner node can be arranged on a server or terminal equipment, and the cloud server node, the user node and the blockchain miner node can also be the server or the terminal equipment.
It will be appreciated that the architecture illustrated by embodiments of the present application does not constitute a specific limitation on the architecture of a multi-cloud data storage system. In other possible embodiments of the present application, the architecture may include more or less components than those illustrated, or some components may be combined, some components may be split, or different component arrangements may be specifically determined according to the actual application scenario, and the present application is not limited herein. The components shown in fig. 1 may be implemented in hardware, software, or a combination of software and hardware.
In addition, the network architecture and the service scenario described in the embodiments of the present application are for more clearly describing the technical solution of the embodiments of the present application, and do not constitute a limitation on the technical solution provided by the embodiments of the present application, and as a person of ordinary skill in the art can know, with evolution of the network architecture and occurrence of a new service scenario, the technical solution provided by the embodiments of the present application is also applicable to similar technical problems.
The following description of the present application is given by taking several embodiments as examples, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 2 is a flow chart of a multi-cloud data storage method provided by the embodiment of the present application, where the embodiment of the present application may be applied to any cloud server node in fig. 1, where the cloud server node may be a server or a terminal device, and a specific execution body may be determined according to an actual application scenario. As shown in fig. 2, the method comprises the steps of:
s201: white book information is published and stored on the blockchain.
The stored white paper information comprises storage service level agreement information and price information of the cloud server.
Optionally, the cloud storage service provider A, B, C joins the inter-cloud computing-oriented storage blockchain to obtain the first cloud server node 101, the second cloud server node 102 and the third cloud server node 103 in fig. 1, and the first cloud server node 101, the second cloud server node 102 and the third cloud server node 103 issue their public keys and blockchain identifiers to the blockchain network for first registration in a broadcast message manner of private key signature in the blockchain. The user also joins the blockchain to obtain the user node 104, the user node 104 issues its own public key and blockchain identification to the blockchain network for first registration in the broadcasting message mode of private key signature in the blockchain, and the user node 104 performs multi-cloud storage of data through the blockchain.
The first cloud server node 101, the second cloud server node 102 and the third cloud server node 103 issue own stored white paper in a broadcast message mode of private key signature in a blockchain, including a storage service level agreement (Service Level Agreement, SLA), price information and the like.
S202: and acquiring the storage requirement on the block chain, and storing the data to be stored corresponding to the storage requirement.
The storage requirement is initiated by the user node in the blockchain and issued in an intelligent contract mode, and the data to be stored is uploaded to the blockchain by the user node when the storage requirement is initiated.
Wherein the storage requirements include storage service level agreement requirement information and pre-pay information for the cloud server.
Optionally, in response to a storage requirement sent by a user node on the blockchain, the first cloud server node 101, the second cloud server node 102 and the third cloud server node 103 may actively acquire data encrypted by the user node and store the data in their own storage pools, and the first cloud server node 101, the second cloud server node 102 and the third cloud server node 103 issue an access address and an access right of the data storage in a manner of signing a broadcast message by a private key in the blockchain.
S203: and releasing storage information on the blockchain so that after receiving the storage information, the blockchain miner node determines at least one signing cloud server for the user node according to the storage white book information and the storage requirements of all cloud server nodes uploading the storage information, and deducts the cost of the user node according to the price information to pay to the signing cloud server.
Wherein the stored information includes an access address and an access right.
Optionally, after publishing the stored information on the blockchain, further comprising: and if the cloud server node is not the signing cloud server, deleting the stored data to be stored.
After the cloud server node in the embodiment of the application determines that the cloud server node is not signed with the user node, the data to be stored corresponding to the user node which is not signed can be directly deleted, so that the storage space is saved, the resource utilization rate is further improved, and the cost of data storage is reduced.
Optionally, the blockchain miner node 105 determines a subscription cloud server according to the stored white book information and the storage requirement in the published access address and authority cloud storage service provider, automatically deducts the related storage cost from the user account and completes the transfer.
Assuming that the storage demand sent by the user node includes willing to pay for the top-ranked 2 cloud storage facilitator, and that the price cloud storage facilitator a of the cloud server node < cloud storage facilitator B < cloud storage facilitator C, the cloud storage facilitator a and cloud storage facilitator B will be subscribers, the cloud storage facilitator C will not obtain the user's data storage fee.
Alternatively, the cloud service provider C who does not obtain the transfer may select to delete the corresponding storage content at any time, or may also reserve the storage content.
Optionally, if deleted, a broadcast message is signed by a private key in the blockchain to issue a delete announcement.
The embodiment of the application provides a cloud data storage method based on a blockchain for inter-cloud computing, which comprises the steps that a cloud server node in the blockchain firstly distributes own stored white book information to the blockchain, after a user node distributes storage requirements in the blockchain, the cloud server node actively stores data in a resource pool of the user node and distributes the storage information, and the blockchain miner node judges and automatically realizes deduction payment from a user account.
Optionally, after publishing the stored information on the blockchain, further comprising:
If the cloud server node is a subscription cloud server, acquiring a query request on a blockchain, wherein the query request is issued by a user node on the blockchain; according to the query request, querying the stored data to be stored to obtain query information; and uploading the query information to the blockchain so that the user node can perform information verification according to the query information.
After signing with the user node, the cloud server node in the embodiment of the application not only supports the user to acquire the stored data, but also supports the query request of the user, and the user node can verify the security of the cloud server through the feedback result of the query request, so that the security and the reliability of resource sharing are further improved.
Optionally, after publishing the stored information on the blockchain, further comprising: and issuing price reduction information on the blockchain so that the blockchain miner node determines whether to update the subscription cloud server list according to the price reduction information.
Optionally, when the price of the cloud storage service provider A, B, C changes, for example, after the storage price of the cloud storage service provider C decreases, C < a < B, the cloud storage service provider C may issue a price decrease notification in a manner of signing a broadcast message by a private key in the blockchain, and then the blockchain miner node may automatically transfer the subsequent storage fee to the cloud storage service provider C, where the cloud storage service provider B will not obtain the subsequent storage fee. This always ensures that the user has a copy of the data at the cloud server of the blockchain and is stored at the lowest price.
Here, the cloud server node in the embodiment of the application can issue the price reduction information after price reduction, and the blockchain miner node can redetermine the contracted cloud server of the user node according to the information to determine whether to replace the cloud server, so that the data storage cost is further saved, and the user experience is improved.
Optionally, fig. 3 is another multi-cloud data storage method provided by the embodiment of the present application, where the embodiment of the present application may be applied to the user node 104 in fig. 1, where the user node 104 may be a server or a terminal device, and the specific execution body may be determined according to an actual application scenario. As shown in fig. 3, the method comprises the steps of:
s301: and initiating a storage requirement in the blockchain, issuing the storage requirement in an intelligent contract mode, uploading data to be stored to the blockchain, so that the cloud server node acquires the storage requirement on the blockchain, saves the data to be stored corresponding to the storage requirement, and issuing storage information on the blockchain.
The storage requirement comprises storage service level agreement requirement information and pre-payment information of the cloud server, the storage information is used for the blockchain miner node to determine at least one signing cloud server for the user node according to storage white paper information and storage requirement of all cloud server nodes uploading the storage information after receiving the storage information, the payment of the user node is deducted to the signing cloud server according to price information, the storage white paper information is issued by the cloud server node on the blockchain, and the storage white paper information comprises the storage service level agreement information and the price information of the cloud server.
The embodiment of the application provides a cloud computing-oriented multi-cloud data storage method based on a blockchain, which takes the blockchain as an entrance for connecting multi-cloud storage, when a user needs to realize data storage through cloud computing, the cloud server nodes in the blockchain can automatically store data to be stored and release storage information, so that the blockchain miner nodes determine a contracted cloud server for the user nodes through automatic screening.
Optionally, uploading the data to be stored to the blockchain includes: and encrypting the data to be stored to obtain encrypted data, and uploading the encrypted data to a blockchain.
When the embodiment of the application uploads the data to be stored to the blockchain, the data to be stored is firstly encrypted, so that the security of data storage is further improved.
Optionally, the method further comprises: issuing a query request on the blockchain, so that a cloud server node corresponding to the signing cloud server obtains the query request on the blockchain, querying the stored data to be stored according to the query request to obtain query information, and uploading the query information to the blockchain; and acquiring query information on the block chain, and performing information verification according to the query information.
Optionally, in order to ensure that all cloud service providers actually store data, the user node may periodically initiate a query in the blockchain, for example, require that the value of the nth byte be provided, and if the value provided by one cloud service provider is inconsistent with other service providers and the service provider is a subscription cloud server, determine that the subscription cloud server has a security problem.
Optionally, the blockchain miner node may automatically deduct or deduct more fees from the subscribed cloud server that has security issues.
Optionally, the user node may also provide a certain incentive to cloud server nodes that are not subscribed but always provide data storage services.
In order to ensure that all cloud servers truly store data, the user node can periodically initiate inquiry in the blockchain, and determine whether the data is safely and reliably stored or not through feedback of the signed cloud server, so that the safety and reliability of data storage are further improved, and the data safety is improved.
The embodiment of the application also provides a multi-cloud data storage method which is applied to a multi-cloud data storage system, wherein the system comprises a cloud server node, a user node and a blockchain miner node, and the method comprises the following steps:
Step one: the cloud server node publishes and stores white book information on the blockchain.
The stored white paper information comprises storage service level agreement information and price information of the cloud server.
Step two: the user node initiates a storage requirement in the blockchain, issues the storage requirement in an intelligent contract mode, and uploads data to be stored to the blockchain.
Wherein the storage requirements include storage service level agreement requirement information and pre-pay information for the cloud server.
Step three: and the cloud server node acquires the storage requirement on the block chain and stores the data to be stored corresponding to the storage requirement.
Step four: the cloud server node publishes the stored information on the blockchain.
Step five: after receiving the storage information, the blockchain miner node determines at least one signing cloud server for the user node according to the stored white book information and the storage requirement of all cloud server nodes uploading the storage information, and deducts the cost of the user node according to the price information to pay to the signing cloud server.
Fig. 4 is a schematic structural diagram of a multi-cloud data storage device according to an embodiment of the present application, which is applied to a cloud server node, as shown in fig. 4, where the device according to the embodiment of the present application includes: a first issue module 401, a first processing module 402, and a second issue module 403. The multi-cloud data storage apparatus herein may be a server or a terminal device, or a chip or an integrated circuit implementing the functions of the server or the terminal device. Here, the division of the first issue module 401, the first process module 402, and the second issue module 403 is just a division of a logic function, and both may be integrated or independent physically.
The system comprises a first issuing module, a second issuing module and a storage module, wherein the first issuing module is used for issuing and storing white paper information on a blockchain, and the stored white paper information comprises storage service level protocol information and price information of a cloud server;
the first processing module is used for acquiring a storage demand on the blockchain and storing data to be stored corresponding to the storage demand, wherein the storage demand is initiated in the blockchain by a user node and issued in an intelligent contract mode, the data to be stored is uploaded to the blockchain by the user node when the storage demand is initiated, and the storage demand comprises storage service level protocol requirement information and pre-payment information of a cloud server;
and the second release module is used for releasing the storage information on the blockchain so that after receiving the storage information, the blockchain miner node determines at least one signing cloud server for the user node according to the storage white paper book information and the storage requirement of all cloud server nodes uploading the storage information, and deducts the cost of the user node according to the price information to pay to the signing cloud server.
Optionally, after the second publishing module is configured to publish the stored information on the blockchain, the apparatus further includes a query processing module configured to:
If the cloud server node is a subscription cloud server, acquiring a query request on a blockchain, wherein the query request is issued by a user node on the blockchain;
according to the query request, querying the stored data to be stored to obtain query information;
and uploading the query information to the blockchain so that the user node can perform information verification according to the query information.
Optionally, after the second publishing module is configured to publish the stored information on the blockchain, the apparatus further includes a deletion module configured to:
and if the cloud server node is not the signing cloud server, deleting the stored data to be stored.
Optionally, after the second publishing module is configured to publish the stored information on the blockchain, the apparatus further includes an updating module configured to:
and issuing price reduction information on the blockchain so that the blockchain miner node determines whether to update the subscription cloud server list according to the price reduction information.
The embodiment of the application also provides another multi-cloud data storage device which is applied to the user node, and the device comprises: and an initiating module. The multi-cloud data storage apparatus herein may be a server or a terminal device, or a chip or an integrated circuit implementing the functions of the server or the terminal device. It should be noted that the division of the initiation module is just a division of a logic function, and both may be integrated or independent physically.
The initiation module is used for initiating a storage demand in the blockchain, issuing the storage demand in an intelligent contract mode, uploading data to be stored to the blockchain so that a cloud server node obtains the storage demand on the blockchain, storing the data to be stored corresponding to the storage demand, issuing storage information on the blockchain, wherein the storage demand comprises storage service level protocol requirement information and pre-payment information of the cloud server, the storage information is used for determining at least one signing cloud server for the user node according to the storage white book information and the storage requirement of all cloud server nodes uploading the storage information after the storage information is received by the blockchain miner node, deducting the cost payment of the user node to the signing cloud server according to the price information, wherein the storage white book information is issued by the cloud server node on the blockchain, and the storage white book information comprises the storage service level protocol information and the price information of the cloud server.
The initiating module is specifically used for:
and encrypting the data to be stored to obtain encrypted data, and uploading the encrypted data to a blockchain.
Optionally, the above device further includes a query initiation module, configured to:
Issuing a query request on the blockchain, so that a cloud server node corresponding to the signing cloud server obtains the query request on the blockchain, querying the stored data to be stored according to the query request to obtain query information, and uploading the query information to the blockchain;
and acquiring query information on the block chain, and performing information verification according to the query information.
Referring to fig. 5, a schematic diagram of a structure of a multi-cloud data storage device 500 suitable for use in implementing embodiments of the present disclosure is shown, where the multi-cloud data storage device 500 may be a terminal device or a server. The terminal device may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a personal digital assistant (Personal Digital Assistant, PDA for short), a tablet (Portable Android Device, PAD for short), a portable multimedia player (Portable Media Player, PMP for short), an in-vehicle terminal (e.g., an in-vehicle navigation terminal), and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. The multi-cloud data storage device shown in fig. 5 is merely an example, and should not impose any limitations on the functionality and scope of use of embodiments of the present disclosure.
As shown in fig. 5, the multi-cloud data storage apparatus 500 may include a processing device (e.g., a central processor, a graphics processor, etc.) 501 that may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 502 or a program loaded from a storage device 508 into a random access Memory (Random Access Memory, RAM) 503. In the RAM 503, various programs and data required for the operation of the multi-cloud data storage apparatus 500 are also stored. The processing device 501, the ROM 502, and the RAM 503 are connected to each other via a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
In general, the following devices may be connected to the I/O interface 505: input devices 506 including, for example, a touch screen, touchpad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 507 including, for example, a liquid crystal display (Liquid Crystal Display, abbreviated as LCD), a speaker, a vibrator, and the like; storage 508 including, for example, magnetic tape, hard disk, etc.; and communication means 509. The communication means 509 may allow the multi-cloud data storage device 500 to communicate wirelessly or by wire with other devices to exchange data. While fig. 5 illustrates a multi-cloud data storage apparatus 500 having various means, it should be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may be implemented or provided instead.
In particular, according to embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flowcharts. In such an embodiment, the computer program may be downloaded and installed from a network via the communication means 509, or from the storage means 508, or from the ROM 502. The above-described functions defined in the methods of the embodiments of the present disclosure are performed when the computer program is executed by the processing device 501.
It should be noted that the computer readable medium described in the present disclosure may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this disclosure, a computer-readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present disclosure, however, the computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
The computer readable medium may be contained in the multi-cloud data storage device; or may exist alone without being assembled into the multi-cloud data storage device.
The computer-readable medium carries one or more programs which, when executed by the multi-cloud data storage device, cause the multi-cloud data storage device to perform the methods shown in the above embodiments.
Computer program code for carrying out operations of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a local area network (Local Area Network, LAN for short) or a wide area network (Wide Area Network, WAN for short), or it may be connected to an external computer (e.g., connected via the internet using an internet service provider).
In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of elements is merely a logical functional division, and there may be additional divisions of actual implementation, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (11)

1. A multi-cloud data storage method, applied to a cloud server node, comprising:
issuing stored white paper information on a blockchain, wherein the stored white paper information comprises storage service level protocol information and price information of a cloud server;
acquiring a storage requirement on a blockchain, and storing data to be stored corresponding to the storage requirement, wherein the storage requirement is initiated in the blockchain by a user node and issued in an intelligent contract manner, the data to be stored is uploaded to the blockchain by the user node when the storage requirement is initiated, and the storage requirement comprises storage service level protocol requirement information and pre-payment information of a cloud server;
releasing storage information on a blockchain so that a blockchain miner node can determine at least one signing cloud server for the user node according to the storage white book information and the storage requirement of all cloud server nodes uploading the storage information after receiving the storage information of at least one cloud server node, and deducting the cost payment of the user node to the signing cloud server according to the price information; the storage information comprises an access address and an access right;
After the publishing of the stored information on the blockchain, further comprising:
and issuing price reduction information on the blockchain so that the blockchain miner node determines whether to update the contracted cloud server list according to the price reduction information.
2. The method of claim 1, further comprising, after said publishing the stored information on the blockchain:
if the cloud server node is a subscription cloud server, acquiring a query request on a blockchain, wherein the query request is issued by the user node on the blockchain;
according to the query request, querying the stored data to be stored to obtain query information;
and uploading the query information to a blockchain so that the user node performs information verification according to the query information.
3. The method of claim 1, further comprising, after said publishing the stored information on the blockchain:
and if the cloud server node is not a subscription cloud server, deleting the stored data to be stored.
4. A method of multi-cloud data storage, for application to a user node, the method comprising:
initiating a storage requirement in a blockchain, issuing the storage requirement in an intelligent contract manner, uploading data to be stored to the blockchain, enabling a cloud server node to acquire the storage requirement on the blockchain, storing the data to be stored corresponding to the storage requirement, and issuing storage information on the blockchain, wherein the storage requirement comprises storage service level agreement requirement information and pre-payment information for a cloud server, the storage information is used for determining at least one signing cloud server for the user node according to storage white paper information of all cloud server nodes uploading the storage information and the storage requirement after the blockchain miner node receives the storage information, deducting cost payment of the user node to the signing cloud server according to price information, and determining whether to update a signing cloud server list according to the price reduction information after the blockchain miner node receives the price reduction information; the stored white paper information is issued by a cloud server node on a blockchain, and comprises storage service level protocol information and price information of the cloud server.
5. The method of claim 4, wherein uploading the data to be stored to a blockchain comprises:
and encrypting the data to be stored to obtain encrypted data, and uploading the encrypted data to a blockchain.
6. The method according to claim 4 or 5, further comprising:
issuing a query request on a blockchain, so that a cloud server node corresponding to a contracted cloud server obtains the query request on the blockchain, querying stored data according to the query request to obtain query information, and uploading the query information to the blockchain;
and acquiring the query information from the block chain, and performing information verification according to the query information.
7. A multi-cloud data storage method, characterized by being applied to a multi-cloud data storage system, the system comprising a cloud server node, a user node and a blockchain miner node, the method comprising:
the cloud server node issues stored white paper information on a blockchain, wherein the stored white paper information comprises storage service level protocol information and price information of the cloud server;
the method comprises the steps that a user node initiates a storage requirement in a blockchain, issues the storage requirement in an intelligent contract mode, and uploads data to be stored to the blockchain, wherein the storage requirement comprises storage service level agreement requirement information and pre-payment information of a cloud server;
The cloud server node acquires a storage requirement on a block chain and stores data to be stored corresponding to the storage requirement;
the cloud server node issues storage information on a blockchain;
after receiving the storage information, the blockchain miner node determines at least one signing cloud server for the user node according to the stored white paper book information and the storage requirements of all cloud server nodes uploading the storage information, and deducts the cost of the user node according to the price information to pay to the signing cloud server;
and after receiving the price reduction information, the blockchain miner node determines whether to update the contracted cloud server list according to the price reduction information.
8. A multi-cloud data storage device, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the multi-cloud data storage method of any of claims 1 to 3.
9. A multi-cloud data storage device, comprising:
At least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the multi-cloud data storage method of any of claims 4 to 6.
10. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are for implementing a multi-cloud data storage method as claimed in any of claims 1 to 3.
11. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are for implementing a multi-cloud data storage method as claimed in any of claims 4 to 6.
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