CN112995278A - Block chain device management method based on cloud computing platform and SDN controller - Google Patents
Block chain device management method based on cloud computing platform and SDN controller Download PDFInfo
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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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]
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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
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
Abstract
The invention provides a block chain device management method based on a cloud computing platform, which is used for an SDN controller, wherein the SDN controller is connected with a plurality of block chain devices based on the cloud computing platform through an SDN router, and the method comprises the following steps: acquiring a main manager and an auxiliary manager which are positioned in all block chain devices, and detecting the abnormal condition of the main manager after receiving a management request provided by a certain block chain device except the main manager and the auxiliary manager; wherein, the management request is hooking or detaching; and if the main manager is detected to be abnormal, the main manager is enabled to correspondingly manage the block chain device which provides the management request according to the received management request. By implementing the invention, accidents are avoided by establishing an effective management mechanism, so that the safety and the correctness of data can be ensured.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a block chain device management method based on a cloud computing platform and an SDN (Software-Defined Network) controller.
Background
The demand and application of the internet are more and more, and are relatively complex. In recent years, as the software architecture of cloud computing is too large, the demand for data security is increasing, and new cloud computing virtualization technology and block chain technology are developed, which can strengthen existing hardware and make data transmission more flexible and secure.
As shown in fig. 1, a cloud computing server contacts a plurality of wired devices (e.g., computers) with wireless devices (e.g., cell phones, aircraft) via an SDN router. At this time, as an SDN controller that controls SDN1 and SDN2 routers, management of SDN is determined; the SDN1 and the SDN2 routers are externally connected with wired devices and wireless devices according to interfaces of the equipment; BC 1-BC 7 (blockchain devices 1-7) are the built-in blockchain number codes of the nodes represented by the wired devices and the wireless devices for displaying each blockchain device.
However, the existing management method for the blockchain device cannot establish an effective management mechanism, so that accidents cannot be avoided, and the security and correctness of data cannot be guaranteed.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a block chain device management method and an SDN controller based on a cloud computing platform, which can avoid an accident by establishing an effective management mechanism, so as to ensure the security and correctness of data.
In order to solve the above technical problem, an embodiment of the present invention provides a method for managing a blockchain device based on a cloud computing platform, where the method is used in an SDN controller, and the SDN controller is connected to a plurality of blockchain devices based on the cloud computing platform through an SDN router, where the method includes:
acquiring a main manager and an auxiliary manager which are positioned in all blockchain devices, and detecting the abnormal condition of the main manager after receiving a management request provided by a certain blockchain device except the main manager and the auxiliary manager; wherein the management request is hooking or detaching;
and if the main manager is detected to be abnormal, the main manager is enabled to correspondingly manage the block chain device which provides the management request according to the received management request.
Wherein the method further comprises:
and if the main manager is detected to be abnormal, controlling the auxiliary manager to replace the main manager, and designating one blockchain device as the auxiliary manager in other blockchain devices except the main manager and the auxiliary manager.
If it is detected that the master supervisor is abnormal, the specific steps of enabling the master supervisor to correspondingly manage the block chain device which provides the management request according to the received management request include:
if the received management request is hanging connection, after the main manager establishes communication with the block chain device which provides the management request, the special intelligent contract number of the main manager is sent to the block chain device which provides the management request; and
and the master supervisor stores the personal code and the data to be output generated when the block chain device which provides the management request obtains the exclusive intelligent contract number of the master supervisor, and further distributes the personal code and the data to all block chain devices except the master supervisor and the block chain device which provides the management request.
If it is detected that the master supervisor is abnormal, the specific step of enabling the master supervisor to perform corresponding management on the block chain device which provides the management request according to the received management request further includes:
if the received management request is dismounted, further identifying a corresponding current dismounting mode, and enabling the main manager to correspondingly manage the block chain device which provides the management request according to the current dismounting mode; wherein the current tear-down mode is one of suspend, exit, and resume suspend.
Wherein, the specific step of making the master manager perform corresponding management on the blockchain device which makes the management request according to the current dismounting mode includes:
if the current removal mode is pause, after the main manager establishes communication with the block chain device which provides the management request, the authority of sending information of the block chain device which provides the management request is modified to pause, and only the authority of receiving information is reserved; and
and the master supervisor updates the authority information of the blockchain device which makes the management request on the master supervisor, and further distributes the authority information to all blockchain devices except the master supervisor and the blockchain device which makes the management request.
Wherein, the specific step of making the master manager perform corresponding management on the blockchain device which makes the management request according to the current dismounting mode further includes:
if the current removal mode is exit, after the main manager establishes communication with the block chain device which provides the management request, the permission of modifying the block chain device which provides the management request to send and receive information is both terminated; and
and the master supervisor deletes all the information of the blockchain device which makes the management request and updates the information, and further distributes the information to all the blockchain devices except the master supervisor and the blockchain device which makes the management request.
Wherein, the specific step of making the master manager perform corresponding management on the blockchain device which makes the management request according to the current dismounting mode further includes:
if the current removal mode is recovery suspension, after the main manager establishes communication with the block chain device which provides the management request, the authority of all block chain devices except the main manager and the block chain device which provides the management request is further detected; and
when the transmission information authority of at least one blockchain device is detected to be suspended, the main manager is enabled to recover the authority of each blockchain device, the suspended authority of each blockchain device is detected to be suspended, the authority information of each blockchain device after the authority is recovered is updated by the main manager, and the authority information is further issued to all blockchain devices except the main manager.
Wherein the method further comprises:
and if detecting that no information sending authority of any blockchain device is suspended, feeding back and discarding the information of the request for resuming the suspension and discarding the information.
An embodiment of the present invention further provides an SDN controller, which is connected to a plurality of blockchain devices based on a cloud computing platform through an SDN router, and includes:
the system comprises a request and detection unit, a first block chain device and a second block chain device, wherein the request and detection unit is used for acquiring a main manager and a secondary manager which are positioned in all block chain devices, and detecting the abnormal condition of the main manager after receiving a management request provided by a certain block chain device except the main manager and the secondary manager; wherein the management request is hooking or detaching;
and the device management unit is used for enabling the main manager to correspondingly manage the block chain device which provides the management request according to the received management request if the main manager is detected to be abnormal.
Wherein, still include: a primary and secondary supervisor replacing unit; wherein the content of the first and second substances,
and the main and auxiliary manager replacing unit is used for controlling the auxiliary manager to replace the main manager if the main manager is detected to be abnormal, and appointing a block chain device as the auxiliary manager in other block chain devices except the main manager and the auxiliary manager.
The embodiment of the invention has the following beneficial effects:
1. compared with the prior art, the invention avoids accidents by establishing an effective management mechanism (such as hooking and detaching), thereby ensuring the safety and correctness of data;
2. the invention further avoids accidents by constructing a mechanism that the auxiliary manager takes over all functions of the main manager when the main manager is abnormal, thereby ensuring the safety and the correctness of data.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
FIG. 1 is a prior art block chain device interconnection topology diagram based on a cloud computing platform;
fig. 2 is a flowchart of a block chain device management method based on a cloud computing platform according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an SDN controller according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2, in an embodiment of the present invention, a method for managing a blockchain device based on a cloud computing platform is provided, where the method is used for an SDN controller, and the SDN controller is connected to a plurality of blockchain devices based on a cloud computing platform through an SDN router, and specifically, refer to the topology structure diagram shown in fig. 1. In fig. 1, the configuration blockchain device BC2 is a master manager for controlling all records and management for requesting for entering and exiting chains, and the configuration blockchain device BC6 is a slave master manager for implementing the similar property of the master manager BC2, and is used for taking over the abnormal or non-functional master manager BC2, and the master manager BC2 and the slave master manager BC6 can periodically update and backup blockchain information. Meanwhile, the other blockchain devices BC1 to BC7 need to exhibit a point-to-point characteristic according to the provision of blockchains, and when one blockchain device (i.e., node) has information update, all other blockchain devices need to be propagated simultaneously. It should be noted that, in fig. 1, if a certain blockchain device initiates a new blockchain, it is regarded as the primary manager, and when more than one blockchain device is added to the new blockchain, one blockchain device is randomly allocated as the secondary primary manager.
At this time, the SDN controller may perform the following steps to manage the blockchain device, specifically as follows:
step S1, acquiring a primary manager and a secondary manager which are positioned in all the blockchain devices, and detecting the abnormal condition of the primary manager after receiving a management request provided by a certain blockchain device except the primary manager and the secondary manager; wherein the management request is hooking or detaching;
the specific process is that a primary manager BC2 and a secondary manager BC6 are found in fig. 1. If the management request from any block chain device BC other than the primary manager BC2 and the secondary manager BC6 is an attach or detach, after receiving the management request, it is necessary to detect an abnormal situation of the primary manager BC 2.
In one embodiment, the presence or absence of the primary manager is detected periodically (e.g., at intervals of Ttime) by detecting the flag. Similarly, the presence or absence of the sub-manager may also be detected periodically (e.g., at intervals of T) by detecting the flag.
Step S2, if it is detected that the master hypervisor is abnormal, the master hypervisor manages the blockchain device that provides the management request according to the received management request.
In the specific process, since the management request is classified as hanging or detaching, the main manager can refine the management mode of the blockchain device that provides the management request according to the two mechanisms, and the specific analysis is as follows:
(1) when the management request is an attach: if the received management request is hanging connection, after the main manager establishes communication with the block chain device which provides the management request, the special intelligent contract number of the main manager is sent to the block chain device which provides the management request; and
and the master supervisor stores the personal code and the data to be output generated when the block chain device which provides the management request obtains the exclusive intelligent contract number of the master supervisor, and further distributes the personal code and the data to all block chain devices except the master supervisor and the block chain device which provides the management request.
In one embodiment, an X blockchain device first requests to be attached to a management (BCm) blockchain. Then, after the master manager management (bcm) finds the X block chain device, it feeds back its own dedicated intelligent contract "number a" to the X block chain device to become the client (bcnew). At this time, the client (BCnew) also generates a set of its personal code "number B" and data to be outputted, and feeds them back to the management (BCm). In this process, management (bcm) will add the personal code "number B" of the client (bcnew) and the data to be output for storage, and certainly, the client (bcnew) will also add the information provided by the other party for storage. Finally, the management (bcm) issues the newly added client (bcnew) to all other blockchain devices on the blockchain.
(2) When the management request is a release, three release modes are available for release, so further detailed analysis is needed: if the received management request is dismounted, the corresponding current dismounting mode is further identified, and the main manager is enabled to correspondingly manage the block chain device which provides the management request according to the current dismounting mode; wherein the current tear-down mode is one of suspend, exit and resume suspend.
(21) The current tear down mode is suspend: if the current removal mode is pause, after the main manager establishes communication with the block chain device which provides the management request, the authority of sending information of the block chain device which provides the management request is modified to pause, and only the authority of receiving information is reserved; and enabling the master supervisor to update the authority information of the blockchain device which makes the management request, and further issuing the authority information to all blockchain devices except the master supervisor and the blockchain device which makes the management request.
In one embodiment, an X blockchain device client (BCquit) first makes a request for permission to send a message at management (BCm) blockchain pause (Stop). Then, after finding the X block chain device, the master manager management (bcm) extracts the personal code "number B" of the client (bcquit), and feeds back the disconnected + number B to the client (bcquit) to modify the permission of sending the information (TX) to be suspended, and only the permission of receiving the information (RX) is reserved, i.e. only the information (RX) can be received. In this process, management (bcm) stores the modified rights of the client (bcquit) under the personal code "number B" of the client (bcquit), and updates the modified rights, and certainly, the client (bcquit) also stores the modified rights information. Finally, the management (bcm) issues the authority information of the client (bcquit) to all other blockchain devices on the blockchain.
(22) The current tear-down mode is exit: if the current removal mode is exit, after the main manager establishes communication with the block chain device which provides the management request, the permission of modifying the block chain device which provides the management request to send and receive information is terminated; and enabling the master supervisor to delete and update all information of the blockchain device on which the management request is made, and further issuing the information to all blockchain devices except the master supervisor and the blockchain device which makes the management request.
In one embodiment, an X blockchain device client (BCquit) first requests a blockchain Exit (Exit) in management (BCm). Then, after finding the X block chain device, the master manager management (bcm) extracts the personal code "number B" of the client (bcquit), and feeds back the quit developer + number B to the client (bcquit) to modify the authority of both sending information (TX) and receiving information (RX). This process, management (bcm) will correspond to delete client (bcquit), which includes the personal code "number B" and all the information corresponding thereto, and certainly, the client (bcquit) will also delete all the information of the other party. Finally, the management (bcm) issues information that does not contain the client (bcquit) to all other blockchain devices on the blockchain.
(23) The current tear-down mode is resume suspended: if the current removal mode is the recovery pause mode, after the main manager establishes communication with the block chain device which provides the management request, the authorities of all the block chain devices except the main manager and the block chain device which provides the management request are further detected; when the transmission information authority of at least one blockchain device is detected to be suspended, the main manager restores the suspended authority of each blockchain device, updates the authority information of each blockchain device after the authority is restored, and further distributes the authority information to all blockchain devices except the main manager; or if detecting that no information sending authority of any blockchain device is suspended, feeding back and discarding the information of the request for resuming suspension and discarding the information.
In one embodiment, an X blockchain device first requests a Restore pause (Restore) in management (BCm) blockchain. Then, the authority of all the blockchain devices except the master manager (bcm) is detected, for example, after the master manager (bcm) finds the Y blockchain device client (bcrestore), the personal code "number C" of the client (bcrestore) is extracted, and the connection + number C is fed back to the client (bcrestore) to restore the authority of sending the information (TX). In this process, management (bcm) stores the modified rights of the client (bcrestore) under the personal code "number C" of the client (bcrestore) and updates the modified rights, and certainly, the client (bcrestore) also stores the modified rights information. Finally, the management (bcm) issues the authority information of the client (bcrestore) to all other blockchain devices on the blockchain.
In the embodiment of the invention, if the abnormality of the main manager is detected, the secondary manager is controlled to replace the main manager, and one blockchain device is designated as the secondary manager in other blockchain devices except the main manager and the secondary manager. Specifically, to avoid making an erroneous judgment for the network problem, as long as the inquiry and update information of the main management machine are not received within 3T consecutive times, the sub-management machine actively updates to replace the main management machine, and configures the next sub-management machine. The 3T times can be set arbitrarily, 2T times or 1T time.
It can be understood that the secondary supervisor performs data synchronization with the primary supervisor, and if the secondary supervisor does not exist, the previous secondary supervisor is cancelled, and a new secondary supervisor is randomly established.
As shown in fig. 3, in an embodiment of the present invention, an SDN controller connected to a plurality of blockchain devices based on a cloud computing platform through an SDN router is provided, including:
a request and detection unit 110, configured to obtain a primary manager and a secondary manager in all blockchain devices, and detect an abnormal condition of the primary manager after receiving a management request from a blockchain device except the primary manager and the secondary manager; wherein the management request is hooking or detaching;
the device management unit 120 is configured to, if it is detected that the master hypervisor is abnormal, enable the master hypervisor to perform corresponding management on the blockchain device that has made the management request according to the received management request.
Wherein, still include: a primary and secondary supervisor replacing unit; wherein the content of the first and second substances,
and the main and auxiliary manager replacing unit is used for controlling the auxiliary manager to replace the main manager if the main manager is detected to be abnormal, and appointing a block chain device as the auxiliary manager in other block chain devices except the main manager and the auxiliary manager.
The embodiment of the invention has the following beneficial effects:
1. compared with the prior art, the invention avoids accidents by establishing an effective management mechanism (such as hooking and detaching), thereby ensuring the safety and correctness of data;
2. the invention further avoids accidents by constructing a mechanism that the auxiliary manager takes over all functions of the main manager when the main manager is abnormal, thereby ensuring the safety and the correctness of data.
It should be noted that, in the above device embodiment, each included unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be achieved; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by relevant hardware instructed by a program, and the program may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A cloud computing platform-based blockchain device management method is used for an SDN controller, the SDN controller is connected with a plurality of blockchain devices based on a cloud computing platform through an SDN router, and the method is characterized by comprising the following steps:
acquiring a main manager and an auxiliary manager which are positioned in all blockchain devices, and detecting the abnormal condition of the main manager after receiving a management request provided by a certain blockchain device except the main manager and the auxiliary manager; wherein the management request is hooking or detaching;
and if the main manager is detected to be abnormal, the main manager is enabled to correspondingly manage the block chain device which provides the management request according to the received management request.
2. The cloud computing platform-based blockchain device management method of claim 1, the method further comprising:
and if the main manager is detected to be abnormal, controlling the auxiliary manager to replace the main manager, and designating one blockchain device as the auxiliary manager in other blockchain devices except the main manager and the auxiliary manager.
3. The method according to claim 1 or 2, wherein if it is detected that the master hypervisor is abnormal, the specific step of enabling the master hypervisor to perform corresponding management on the blockchain device that has made the management request according to the received management request includes:
if the received management request is hanging connection, after the main manager establishes communication with the block chain device which provides the management request, the special intelligent contract number of the main manager is sent to the block chain device which provides the management request; and
and the master supervisor stores the personal code and the data to be output generated when the block chain device which provides the management request obtains the exclusive intelligent contract number of the master supervisor, and further distributes the personal code and the data to all block chain devices except the master supervisor and the block chain device which provides the management request.
4. The method according to claim 1 or 2, wherein if it is detected that the master hypervisor is abnormal, the specific step of enabling the master hypervisor to perform corresponding management on the blockchain device that has made the management request according to the received management request further includes:
if the received management request is dismounted, further identifying a corresponding current dismounting mode, and enabling the main manager to correspondingly manage the block chain device which provides the management request according to the current dismounting mode; wherein the current tear-down mode is one of suspend, exit, and resume suspend.
5. The method as claimed in claim 4, wherein the step of enabling the master manager to perform corresponding management on the blockchain device making the management request according to the current tear-down mode includes:
if the current removal mode is pause, after the main manager establishes communication with the block chain device which provides the management request, the authority of sending information of the block chain device which provides the management request is modified to pause, and only the authority of receiving information is reserved; and
and the master supervisor updates the authority information of the blockchain device which makes the management request on the master supervisor, and further distributes the authority information to all blockchain devices except the master supervisor and the blockchain device which makes the management request.
6. The method as claimed in claim 4, wherein the step of enabling the master hypervisor to perform corresponding management on the blockchain device that made the management request according to the current tear-down mode further includes:
if the current removal mode is exit, after the main manager establishes communication with the block chain device which provides the management request, the permission of modifying the block chain device which provides the management request to send and receive information is both terminated; and
and the master supervisor deletes all the information of the blockchain device which makes the management request and updates the information, and further distributes the information to all the blockchain devices except the master supervisor and the blockchain device which makes the management request.
7. The method as claimed in claim 4, wherein the step of enabling the master hypervisor to perform corresponding management on the blockchain device that made the management request according to the current tear-down mode further includes:
if the current removal mode is recovery suspension, after the main manager establishes communication with the block chain device which provides the management request, the authority of all block chain devices except the main manager and the block chain device which provides the management request is further detected; and
when the transmission information authority of at least one blockchain device is detected to be suspended, the main manager is enabled to recover the authority of each blockchain device, the suspended authority of each blockchain device is detected to be suspended, the authority information of each blockchain device after the authority is recovered is updated by the main manager, and the authority information is further issued to all blockchain devices except the main manager.
8. The cloud computing platform-based blockchain device management method of claim 7, the method further comprising:
and if detecting that no information sending authority of any blockchain device is suspended, feeding back and discarding the information of the request for resuming the suspension and discarding the information.
9. An SDN controller connected to a plurality of blockchain devices based on a cloud computing platform through an SDN router, comprising:
the system comprises a request and detection unit, a first block chain device and a second block chain device, wherein the request and detection unit is used for acquiring a main manager and a secondary manager which are positioned in all block chain devices, and detecting the abnormal condition of the main manager after receiving a management request provided by a certain block chain device except the main manager and the secondary manager; wherein the management request is hooking or detaching;
and the device management unit is used for enabling the main manager to correspondingly manage the block chain device which provides the management request according to the received management request if the main manager is detected to be abnormal.
10. The SDN controller of claim 9, further comprising: a primary and secondary supervisor replacing unit; wherein the content of the first and second substances,
and the main and auxiliary manager replacing unit is used for controlling the auxiliary manager to replace the main manager if the main manager is detected to be abnormal, and appointing a block chain device as the auxiliary manager in other block chain devices except the main manager and the auxiliary manager.
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