CN112887384A - Data storage transmission medium based on cloud computing and stable transmission method - Google Patents
Data storage transmission medium based on cloud computing and stable transmission method Download PDFInfo
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- CN112887384A CN112887384A CN202110067762.3A CN202110067762A CN112887384A CN 112887384 A CN112887384 A CN 112887384A CN 202110067762 A CN202110067762 A CN 202110067762A CN 112887384 A CN112887384 A CN 112887384A
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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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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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
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/568—Storing data temporarily at an intermediate stage, e.g. caching
Abstract
The invention discloses a data storage transmission medium and a stable transmission method based on cloud computing, and relates to the technical field of data storage and transmission based on cloud computing; in order to solve the problems; the transmission medium comprises an index server, a storage server and a client node, and the method comprises a data uploading method for uploading data by the client node, a data downloading method for downloading data by the client node and a data backup method for cooperatively transmitting backup by the client node. The invention divides the transmission medium into an index server, a storage server and a client node, takes the index server, the storage server and the client node as the basic structure of the whole medium, realizes the whole data storage function, can well solve the data transmission between the user and the storage service, and completely saves the whole database.
Description
Technical Field
The invention relates to the technical field of data storage and transmission based on cloud computing, in particular to a data storage transmission medium and a stable transmission method based on cloud computing.
Background
According to the current trend of data generation, IDC estimates that the amount of data generated globally by 2012 will be 5 times that of 2008, and users need to not only store the data reliably, but also need to access everywhere, that is, the data can be accessed from anywhere through a network. As users demand more and more reliable storage of data, storage services are more desirable for applications in the cloud for many users.
From the above analysis, it can be seen that the core problem caused by the uncontrollable characteristic of the storage service in the wide area network is that the task period of data transmission between the user and the storage service is infinitely prolonged, and even a failed task may be possible. A user may not be successful in uploading data to the storage server and no complete copy of the data may exist in the system, such a system is not available. The user may also be unsuccessful in downloading the data from the server, and although the data is still stored in the storage server, there is no guarantee at all that the data is available, at which point the system is very unreliable.
Therefore, how to reliably realize the data integrity between the user and the server and the reliability of data transmission is the problem to be solved by the invention.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a data storage transmission medium and a stable transmission method based on cloud computing.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cloud computing-based data storage transmission medium comprising:
the index server: the system is mainly responsible for managing storage service in the Internet, maintaining and storing relevant information of the Internet, and simultaneously storing user storage file information and index information mapped by file slices and the storage service;
a storage server: the system is composed of idle storage servers in a network, mainly stores data which a user wants to store and effective redundant backup data, and manages file slices of the user in an attachment form;
a client node: the response of user behavior operation can be timely and correctly ensured; colleagues can also implement network transport protocols, file encoders and file fragmentation algorithms for transmitting data that a user wants to store into the network.
Preferably: in the index server, the related information of the internet comprises spatial information, service quality information, using times information, user account information, grade information and private spatial information.
Further: the storage server adopts mailbox storage services, including but not limited to Google mailbox, yahoo mailbox, cybercai mailbox, groom mailbox, and QQ mailbox.
On the basis of the scheme: in the client node, the behavior operation of the user comprises login operation, downloading operation, uploading operation, searching operation, pinning operation and the like.
The better scheme in the scheme is as follows: the client node comprises a flex interface and an ActiveX plug-in, wherein the flex interface is provided with a good and customizable system entrance for users, the system can be conveniently accessed in a web liquid level, and the ActiveX plug-in is a bridge for the index server to communicate with the flex interface.
As a further scheme of the invention: the system also comprises a cache server, wherein the cache server consists of a plurality of data storage servers, is organized in a centralized management mode and is used for the most initial temporary file redundancy backup processing of the system, and the specific steps are as follows:
s1: the user nodes are organized by utilizing the broadband and the resources of the client nodes and applying a DHT-based structural mode, so that the user nodes can share data with each other;
s2: and selecting a super node group and a cooperative transmission group from the underlying network according to corresponding algorithms for a replication backup strategy of the system.
Meanwhile, the system also comprises a P2P network layer, wherein the P2P network layer is composed of super nodes which can provide services for other client nodes and become cooperative transmission nodes, and the super nodes can be ordinary online client nodes or special servers.
As a preferable aspect of the present invention: the system also comprises a node organizing and managing module, a data transmission module and a data caching service module.
A stable transmission method for data storage based on cloud computing comprises a data uploading method for uploading data by a client node, a data downloading method for downloading data by the client node and a data backup method for cooperatively transmitting backup by the client node.
As a more preferable scheme of the invention: the data uploading method comprises the following specific steps:
a1: after the user node is on line, self-evaluation and self-statistics are carried out on the performance of the user node, when the performance reaches a super node threshold value set by a system, the user node is added into a coverage network, and meanwhile, node information is reported to a cache server periodically, so that the cache server can conveniently carry out cooperative transmission node selection;
a2: the user node selects a file to be uploaded from a local directory;
a3: the user node requests a network storage server to the index server, wherein the network storage server comprises account information, a network transmission protocol and the like, and the index server selects storage resources capable of providing services to return to the user node according to the use condition of the network storage server in the current system;
a4: the user node uploads a copy of effective redundant backup data to a cache server;
a5: the user node uploads files to a network storage server according to a corresponding network transmission protocol, and the files store user data;
a6: the user node counts the success or failure information uploaded to the network storage server and feeds the information back to the index server, so that the system can conveniently copy data;
the data downloading method comprises the following specific steps:
b1: the user node selects a file which is desired to be downloaded;
b2: the user node selects whether to cover the inquiry file in the network or not according to the type of the downloaded file, if the file which the user wants to download exists at the client, the file is preferentially selected to be downloaded at the client, if the whole downloading is successful, the downloading process is ended, and if the whole downloading is failed, the process is turned to B3;
b3: the user node judges the file downloading progress of the user node and selectively requests a corresponding file piece storage position from the index server;
b4: the user node downloads the file from the network storage server, if the whole file is successfully downloaded, the downloading process is ended, and if the whole file is failed, the process is switched to B5;
b5: the user node requests uncompleted data pieces from the cache server according to the number of the downloaded file pieces;
b6: the user node feeds back the successful or failed downloading information to the index server according to the downloading condition, so that the system can conveniently copy data;
the data backup method comprises the following specific steps:
c1: the index server informs the cache server of the file names and the backup numbers to be backed up according to the system statistical information;
c2: the cache server selects relatively stable and idle nodes to form the cooperative transmission node group according to the node information, and transmits backup data and the backup number to the cooperative node group;
c3: the user node requests network storage resources from the index server, and the index server returns corresponding storage resource information;
c4: the user node uploads the file to a network storage server according to a corresponding network transmission protocol;
c5: and the user node counts the success or failure information uploaded to the network storage server and feeds the information back to the index server, so that the system can conveniently copy the data again.
The invention has the beneficial effects that:
1. the invention divides the transmission medium into an index server, a storage server and a client node, takes the index server, the storage server and the client node as the basic structure of the whole medium, realizes the whole data storage function, can well solve the data transmission between users and storage service, and completely stores the whole database.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a cloud computing-based data storage transmission medium comprising:
the index server: the system is mainly responsible for managing storage service in the Internet, maintaining and storing relevant information of the Internet, and simultaneously storing user storage file information and index information mapped by file slices and the storage service;
a storage server: the system is composed of idle storage servers in a network, mainly stores data which a user wants to store and effective redundant backup data, and manages file slices of the user in an attachment form;
a client node: the response of user behavior operation can be timely and correctly ensured; colleagues can also implement network transport protocols, file encoders and file fragmentation algorithms for transmitting data that a user wants to store into the network.
In the index server, the related information of the internet comprises spatial information, service quality information, using times information, user account information, grade information and private spatial information.
The storage server adopts mailbox storage services, including but not limited to Google mailbox, yahoo mailbox, cybercai mailbox, groom mailbox, and QQ mailbox.
In the client node, the behavior operation of the user comprises login operation, downloading operation, uploading operation, searching operation, pinning operation and the like.
The client node comprises a flex interface and an ActiveX plug-in, wherein the flex interface is provided with a good and customizable system entrance for users, and the system can conveniently access in the web liquid level, and the ActiveX plug-in is a bridge for the index server to communicate with the flex interface.
Example 2:
a cloud computing-based data storage transmission medium comprising:
the index server: the system is mainly responsible for managing storage service in the Internet, maintaining and storing relevant information of the Internet, and simultaneously storing user storage file information and index information mapped by file slices and the storage service;
a storage server: the system is composed of idle storage servers in a network, mainly stores data which a user wants to store and effective redundant backup data, and manages file slices of the user in an attachment form;
a client node: the response of user behavior operation can be timely and correctly ensured; colleagues can also implement network transport protocols, file encoders and file fragmentation algorithms for transmitting data that a user wants to store into the network.
In the index server, the related information of the internet comprises spatial information, service quality information, using times information, user account information, grade information and private spatial information.
The storage server adopts mailbox storage services, including but not limited to Google mailbox, yahoo mailbox, cybercai mailbox, groom mailbox, and QQ mailbox.
In the client node, the behavior operation of the user comprises login operation, download operation, upload operation, search operation, pin operation and the like
The client node comprises a flex interface and an ActiveX plug-in, wherein the flex interface is provided with a good and customizable system entrance for users, and the system can conveniently access in the web liquid level, and the ActiveX plug-in is a bridge for the index server to communicate with the flex interface.
The system also comprises a cache server, wherein the cache server consists of a plurality of data storage servers, is organized in a centralized management mode and is used for the most initial temporary file redundancy backup processing of the system, and the specific steps are as follows:
s1: the user nodes are organized by utilizing the broadband and the resources of the client nodes and applying a DHT-based structural mode, so that the user nodes can share data with each other;
s2: and selecting a super node group and a cooperative transmission group from the underlying network according to corresponding algorithms for a replication backup strategy of the system.
Example 3:
a cloud computing-based data storage transmission medium comprising:
the index server: the system is mainly responsible for managing storage service in the Internet, maintaining and storing relevant information of the Internet, and simultaneously storing user storage file information and index information mapped by file slices and the storage service;
a storage server: the system is composed of idle storage servers in a network, mainly stores data which a user wants to store and effective redundant backup data, and manages file slices of the user in an attachment form;
a client node: the response of user behavior operation can be timely and correctly ensured; colleagues can also implement network transport protocols, file encoders and file fragmentation algorithms for transmitting data that a user wants to store into the network.
In the index server, the related information of the internet comprises spatial information, service quality information, using times information, user account information, grade information and private spatial information.
The storage server adopts mailbox storage services, including but not limited to Google mailbox, yahoo mailbox, cybercai mailbox, groom mailbox, and QQ mailbox.
In the client node, the behavior operation of the user comprises login operation, download operation, upload operation, search operation, pin operation and the like
The client node comprises a flex interface and an ActiveX plug-in, wherein the flex interface is provided with a good and customizable system entrance for users, and the system can conveniently access in the web liquid level, and the ActiveX plug-in is a bridge for the index server to communicate with the flex interface.
The system also comprises a cache server, wherein the cache server consists of a plurality of data storage servers, is organized in a centralized management mode and is used for the most initial temporary file redundancy backup processing of the system, and the specific steps are as follows:
s1: the user nodes are organized by utilizing the broadband and the resources of the client nodes and applying a DHT-based structural mode, so that the user nodes can share data with each other;
s2: and selecting a super node group and a cooperative transmission group from the underlying network according to corresponding algorithms for a replication backup strategy of the system.
The system also comprises a P2P network layer, wherein the P2P network layer is composed of super nodes which have the capability of providing services for other client nodes and becoming cooperative transmission nodes, and the super nodes can be common online client nodes or special servers.
Example 4:
a cloud computing-based data storage transmission medium comprising:
the index server: the system is mainly responsible for managing storage service in the Internet, maintaining and storing relevant information of the Internet, and simultaneously storing user storage file information and index information mapped by file slices and the storage service;
a storage server: the system is composed of idle storage servers in a network, mainly stores data which a user wants to store and effective redundant backup data, and manages file slices of the user in an attachment form;
a client node: the response of user behavior operation can be timely and correctly ensured; colleagues can also implement network transport protocols, file encoders and file fragmentation algorithms for transmitting data that a user wants to store into the network.
In the index server, the related information of the internet comprises spatial information, service quality information, using times information, user account information, grade information and private spatial information.
The storage server adopts mailbox storage services, including but not limited to Google mailbox, yahoo mailbox, cybercai mailbox, groom mailbox, and QQ mailbox.
In the client node, the behavior operation of the user comprises login operation, download operation, upload operation, search operation, pin operation and the like
The client node comprises a flex interface and an ActiveX plug-in, wherein the flex interface is provided with a good and customizable system entrance for users, and the system can conveniently access in the web liquid level, and the ActiveX plug-in is a bridge for the index server to communicate with the flex interface.
The system also comprises a cache server, wherein the cache server consists of a plurality of data storage servers, is organized in a centralized management mode and is used for the most initial temporary file redundancy backup processing of the system, and the specific steps are as follows:
s1: the user nodes are organized by utilizing the broadband and the resources of the client nodes and applying a DHT-based structural mode, so that the user nodes can share data with each other;
s2: and selecting a super node group and a cooperative transmission group from the underlying network according to corresponding algorithms for a replication backup strategy of the system.
The system also comprises a P2P network layer, wherein the P2P network layer is composed of super nodes which have the capability of providing services for other client nodes and becoming cooperative transmission nodes, and the super nodes can be common online client nodes or special servers.
It still includes the core function module, the core function module includes:
the node organization and management module: the method manages all online user nodes, maintains all user node information, adds the user node information into a priority queue, determines the node priority according to the statistical online time, the node network bandwidth, the resource occupancy rate and the service capacity of the user nodes, and divides the nodes in the priority queue into two types of super nodes and common nodes. The super nodes are established according to the KAD algorithm, the cache data and bandwidth capacity of the nodes are fully utilized, the behavior of frequently accessing a storage server in the system is reduced, the super nodes and common nodes can be mutually converted according to the change of the statistical information of the nodes, the processes of transferring the common nodes attached to the super nodes and the like can be transparent, information can be communicated with a data cache service module, the information of the super nodes is sent to the cache service module in real time, and the preparation work is prepared for the cache service module to perform cooperative group node selection;
a data transmission module: the method can establish different data transmission strategies aiming at different user operations, ensure that all data transmission is a transparent process for users, perfectly link the data transmission modes among different objects, for example, when a complete file is downloaded, an uploaded client is down, the transmission module can correct the downloading mode in time, calculate the granularity of the downloaded file, use other channels to continuously finish the data downloading, verify the data transmitted each time according to the file code and realize the data retransmission in time, and report the successful or failed information of all data transmission to the index server in time, thereby facilitating the system to copy and backup the files.
The data cache service module: the method comprises the steps of managing redundant backup of all files, including organizing the files newly transmitted to a system and processing the files finally deleted, uniformly managing stored node information by using a linked list, updating and deleting nodes in time, performing backup work for the system through a cooperative node scheduling algorithm, transmitting data needing backup to the cooperative nodes in time, and searching and selecting a new node to perform retransmission scheduling when the cooperative nodes do not complete a cooperative transmission backup function for some reason.
Example 5:
a stable transmission method for data storage based on cloud computing comprises a data uploading method for uploading data by a client node, a data downloading method for downloading data by the client node and a data backup method for cooperatively transmitting backup by the client node.
The data uploading method comprises the following specific steps:
a1: after the user node is on line, self-evaluation and self-statistics are carried out on the performance of the user node, when the performance reaches a super node threshold value set by a system, the user node is added into a coverage network, and meanwhile, node information is reported to a cache server periodically, so that the cache server can conveniently carry out cooperative transmission node selection;
a2: the user node selects a file to be uploaded from a local directory;
a3: the user node requests a network storage server to the index server, wherein the network storage server comprises account information, a network transmission protocol and the like, and the index server selects storage resources capable of providing services to return to the user node according to the use condition of the network storage server in the current system;
a4: the user node uploads a copy of effective redundant backup data to a cache server;
a5: the user node uploads files to a network storage server according to a corresponding network transmission protocol, and the files store user data;
a6: the user nodes count the success or failure information uploaded to the network storage server and feed the information back to the index server, so that the system can conveniently copy data.
The data downloading method comprises the following specific steps:
b1: the user node selects a file which is desired to be downloaded;
b2: the user node selects whether to cover the inquiry file in the network or not according to the type of the downloaded file, if the file which the user wants to download exists at the client, the file is preferentially selected to be downloaded at the client, if the whole downloading is successful, the downloading process is ended, and if the whole downloading is failed, the process is turned to B3;
b3: the user node judges the file downloading progress of the user node and selectively requests a corresponding file piece storage position from the index server;
b4: the user node downloads the file from the network storage server, if the whole file is successfully downloaded, the downloading process is ended, and if the whole file is failed, the process is switched to B5;
b5: the user node requests uncompleted data pieces from the cache server according to the number of the downloaded file pieces;
b6: and the user node feeds back the information of success or failure of downloading to the index server according to the downloading condition, so that the system can conveniently copy data.
The data backup method comprises the following specific steps:
c1: the index server informs the cache server of the file names and the backup numbers to be backed up according to the system statistical information;
c2: the cache server selects relatively stable and idle nodes to form the cooperative transmission node group according to the node information, and transmits backup data and the backup number to the cooperative node group;
c3: the user node requests network storage resources from the index server, and the index server returns corresponding storage resource information;
c4: the user node uploads the file to a network storage server according to a corresponding network transmission protocol;
c5: and the user node counts the success or failure information uploaded to the network storage server and feeds the information back to the index server, so that the system can conveniently copy the data again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A cloud computing-based data storage transmission medium, comprising:
the index server: the system is mainly responsible for managing storage service in the Internet, maintaining and storing relevant information of the Internet, and simultaneously storing user storage file information and index information mapped by file slices and the storage service;
a storage server: the system is composed of idle storage servers in a network, mainly stores data which a user wants to store and effective redundant backup data, and manages file slices of the user in an attachment form;
a client node: the response of user behavior operation can be timely and correctly ensured; colleagues can also implement network transport protocols, file encoders and file fragmentation algorithms for transmitting data that a user wants to store into the network.
2. The cloud-computing-based data storage and transmission medium according to claim 1, wherein the internet-related information in the index server includes spatial information, quality of service information, usage number information, user account information, class information, and private spatial information.
3. The cloud computing-based data storage transmission medium of claim 1, wherein the storage server employs mailbox storage services including, but not limited to, Google mailbox, yahoo mailbox, cyberco mailbox, groom mailbox, and QQ mailbox.
4. The cloud computing-based data storage transmission medium according to claim 1, wherein the user behavior operations in the client node include login operation, download operation, upload operation, search operation, and pinning operation.
5. The cloud-computing-based data storage transport medium of claim 1, wherein the client node comprises a flex interface and an ActiveX plug-in that provide a user with a good, customizable system portal and that allow convenient access to the system within the web-level, the ActiveX plug-in being a bridge for the index server to communicate with the flex interface.
6. The cloud computing-based data storage transmission medium according to claim 1, further comprising a cache server, wherein the cache server is composed of a plurality of data storage servers, and is organized in a centralized management manner, and is used in the most initial temporary file redundancy backup process of the system, and the specific steps are as follows:
s1: the user nodes are organized by utilizing the broadband and the resources of the client nodes and applying a DHT-based structural mode, so that the user nodes can share data with each other;
s2: and selecting a super node group and a cooperative transmission group from the underlying network according to corresponding algorithms for a replication backup strategy of the system.
7. The cloud computing-based data storage transport medium of claim 1, further comprising a P2P network layer, wherein the P2P network layer is composed of super nodes capable of serving other client nodes and becoming cooperative transport nodes, and wherein the super nodes can be either normal online client nodes or dedicated servers.
8. The cloud computing-based data storage transmission medium of claim 1, further comprising a node organization and management module, a data transmission module, and a data caching service module.
9. A stable transmission method for data storage based on cloud computing is characterized by comprising a data uploading method for uploading data by a client node, a data downloading method for downloading data by the client node and a data backup method for cooperatively transmitting backup by the client node.
10. The stable transmission method for data storage based on cloud computing according to claim 9, wherein the specific steps of the data uploading method are as follows:
a1: after the user node is on line, self-evaluation and self-statistics are carried out on the performance of the user node, when the performance reaches a super node threshold value set by a system, the user node is added into a coverage network, and meanwhile, node information is reported to a cache server periodically, so that the cache server can conveniently carry out cooperative transmission node selection;
a2: the user node selects a file to be uploaded from a local directory;
a3: the user node requests a network storage server to the index server, wherein the network storage server comprises account information, a network transmission protocol and the like, and the index server selects storage resources capable of providing services to return to the user node according to the use condition of the network storage server in the current system;
a4: the user node uploads a copy of effective redundant backup data to a cache server;
a5: the user node uploads files to a network storage server according to a corresponding network transmission protocol, and the files store user data;
a6: the user node counts the success or failure information uploaded to the network storage server and feeds the information back to the index server, so that the system can conveniently copy data;
the data downloading method comprises the following specific steps:
b1: the user node selects a file which is desired to be downloaded;
b2: the user node selects whether to cover the inquiry file in the network or not according to the type of the downloaded file, if the file which the user wants to download exists at the client, the file is preferentially selected to be downloaded at the client, if the whole downloading is successful, the downloading process is ended, and if the whole downloading is failed, the process is turned to B3;
b3: the user node judges the file downloading progress of the user node and selectively requests a corresponding file piece storage position from the index server;
b4: the user node downloads the file from the network storage server, if the whole file is successfully downloaded, the downloading process is ended, and if the whole file is failed, the process is switched to B5;
b5: the user node requests uncompleted data pieces from the cache server according to the number of the downloaded file pieces;
b6: the user node feeds back the successful or failed downloading information to the index server according to the downloading condition, so that the system can conveniently copy data;
the data backup method comprises the following specific steps:
c1: the index server informs the cache server of the file names and the backup numbers to be backed up according to the system statistical information;
c2: the cache server selects relatively stable and idle nodes to form the cooperative transmission node group according to the node information, and transmits backup data and the backup number to the cooperative node group;
c3: the user node requests network storage resources from the index server, and the index server returns corresponding storage resource information;
c4: the user node uploads the file to a network storage server according to a corresponding network transmission protocol;
c5: and the user node counts the success or failure information uploaded to the network storage server and feeds the information back to the index server, so that the system can conveniently copy the data again.
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| CN114968100A (en) * | 2022-05-19 | 2022-08-30 | 威海海洋职业学院 | User data stable storage equipment based on cloud computing |
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