WO2020168666A1

WO2020168666A1 - Data deployment method based on dht network, node device, data deployment system and storage medium

Info

Publication number: WO2020168666A1
Application number: PCT/CN2019/093045
Authority: WO
Inventors: 王立新
Original assignee: 深圳市网心科技有限公司
Priority date: 2019-02-22
Filing date: 2019-06-26
Publication date: 2020-08-27
Also published as: CN109885533A

Abstract

Disclosed are a data deployment method based on a DHT network, a node device, a data deployment system and a storage medium. A first node device stores predeployed data. The data deployment method comprises: sending a first data notification to a second node device; detecting whether a first data request is received, wherein the first data request is sent to the first node device by the second node device in response to the first data notification; and if the first data request is received, sending first request deployment data to the second node device in response to the first data request. Data in a second node device is uniformly deployed and distributed by means of a first node device, such that the bandwidth of the second node device can be efficiently utilized, and a data storm caused by disordered deployment of the data in the second node device is avoided.

Description

A data deployment method, node equipment, data deployment system and storage medium based on DHT network

Technical field

The present invention relates to the field of communication technology, and in particular to a data deployment method, node equipment, data deployment system and storage medium based on a DHT network.

Background technique

With the development of the network, information has exploded. Storage systems such as P2P based on Distributed Hash Table (DHT) technology have high scalability and can support large-scale data storage.

In P2P and other types of storage systems, a piece of continuous data is divided into several blocks and stored in one or more nodes of the system. Each node can send data to the node in the routing information of the DHT network. Due to the disorder of data deployment between nodes, the node equipment bandwidth resources and storage resources are wasted, and it is easy to cause data storms.

Therefore, how to realize the orderly and rapid deployment of data between node devices is a technical problem to be solved urgently by those skilled in the art.

technical problem

The main purpose of the present invention is to provide a data deployment method, node equipment, data deployment system and storage medium based on a DHT network, aiming to solve the technical problem of disordered data deployment in the existing DHT network.

Technical solutions

The present invention provides a data deployment method based on a DHT network, which is applied to a first node device, the first node device stores pre-deployed data, and the data deployment method includes: sending a first data notification to the second node Device, wherein the first node device and the second node device are in communication connection, the first data notification includes information about the first pre-deployed data pre-deployed by the first node device on the second node device, and the first node device A piece of pre-deployed data is all or part of the pre-deployed data; it is detected whether a first data request is received, and the first data request is sent to the second node device in response to the first data notification The first node device, the first data request includes information that the second node device requests the first node device to deploy the first requested deployment data to be deployed on the second node device, and the first requested deployment data is the first All or part of the data of a pre-deployed data; if the first data request is received, the first requested deployment data is sent to the second node device in response to the first data request.

Preferably, before the sending the first data notification to the second node device, the data deployment method further includes: obtaining node information of the second node device, wherein the node information includes address information.

Preferably, after sending the first requested deployment data to the second node device in response to the first data request, the data deployment method further includes: detecting whether the data deployment of the second node device is received Feedback; if the deployment feedback of the second node device is received, a second data notification is sent to the third node device, so that the third node device responds to the second data notification to the first node device And the second node device to issue a second data request, where the second data notification includes information about the second pre-deployment data pre-deployed on the third node device by the first node device and the second node device Information about the third pre-deployment data that is pre-deployed on the third node device, the second pre-deployment data is all or part of the pre-deployment data, and the third pre-deployment data is the first request for deployment data All data or part of the data; detecting whether a second data request is received, the second data request includes the information of the second request deployment data that the third node device requests the first node device to be deployed on the third node device, and the third node The device requests the second node device for information about the third requested deployment data deployed on the third node device, where the second requested deployment data includes all or part of the second pre-deployed data, and the third requested deployment data is All or part of the data of the third pre-deployment data; if the second data request is received, the second data request for deployment is sent to the third node device in response to the second data request.

To achieve the above objective, the present invention also provides a data deployment method based on a DHT network, which is applied to a second node device, and the second node device is in communication connection with the first node device. The data deployment method includes: detecting whether to receive To the first data notification, the first data notification is sent to the second node device after the first node device receives the pre-deployed data, wherein the first data notification includes that the first node device is pre-deployed in Information about the first pre-deployment data of the second node device, where the first pre-deployment data is all or part of the pre-deployment data; determine whether to respond to the first data notification; The first data notification is to send a first data request to the first node device, and the first data request includes the first request deployment of the second node device to the first node device to deploy to the second node device Data information, so that the first node device sends the first requested deployment data to the second node device in response to the first data request, wherein the first requested deployment data is the data of the first pre-deployed data All or part of the data.

Preferably, determining whether it is necessary to respond to the first data notification includes: determining whether the second node device stores first pre-deployment data; if the second node device does not store the first pre-deployment data, determining all Whether the storage space of the second node device is greater than the set threshold; if the storage space of the second node device is greater than the set threshold, it is determined that the first data notification needs to be responded to.

Preferably, determining whether the second node device needs to respond to the first data notification includes: determining whether the storage space of the second node device is greater than a set threshold; if the storage space of the second node device is greater than a set threshold, Threshold, it is determined whether the second node device stores the first pre-deployment data; if the second node device does not store the first pre-deployment data, it is determined that the first data notification needs to be responded to.

Preferably, the second node device is in communication connection with the third node device, and the data deployment method further includes: detecting whether a second data request is received, and the second data request is the third node device responding to the second The data notification is sent to the two-node device and the first node device; wherein the second data notification includes the information of the second pre-deployment data pre-deployed on the third node device by the first node device and the second Information about the third pre-deployment data that the node device is pre-deployed on the third node device, the second pre-deployment data is all or part of the pre-deployment data, and the third pre-deployment data is the first requested deployment All data or part of the data; the second data request includes the third node device's request to the first node device to be deployed on the third node device's second request to deploy data and the third node device's request to the second node device Information about the third requested deployment data deployed on the third node device, the second requested deployment data includes all or part of the second pre-deployed data, and the third requested deployment data is all or part of the third pre-deployed data part of data. If the second data request is received, the third requested deployment data is sent to the third node device in response to the second data request.

To achieve the above objective, the present invention provides a data deployment method based on a DHT network, which is applied to a data deployment system. The data deployment system includes a first node device and a second node device communicatively connected with the first node device. The first node device stores pre-deployed data, and the data deployment method includes: the first node device sends a first data notification to the second node device, wherein the first data notification includes the first node The device is pre-deployed in the information of the first pre-deployment data of the second node device, the first pre-deployment data is all or part of the pre-deployment data; the second node device determines whether it needs to respond to the The first data notification; if it is necessary to respond to the first data notification, the second node device sends a first data request to the first node device, and the first data request includes the second node device to the first The node device requests information about the first requested deployment data that is deployed on the second node device, where the first requested deployment data is all or part of the first pre-deployed data; the first node device detects whether it has received The first data request; if the first data request is received, the first request deployment data is sent to the second node device in response to the first data request.

Preferably, the data deployment system further includes a third node device, the third node device is in communication connection with the first node device and the second node device, and in response to the first data request, the third node device After a request for deployment data is sent to the second node device, the data deployment method further includes: whether the first node device receives the data deployment feedback of the second node device; if the second node device is received Device deployment feedback, a second data notification is sent to the third node device, where the second data notification includes information about the second pre-deployment data pre-deployed by the first node device on the third node device Information and information of the third pre-deployment data that the second node device is pre-deployed on the third node device, the second pre-deployment data is all or part of the pre-deployment data, and the third pre-deployment data is The first request to deploy all the data or part of the data; the third node device determines whether it needs to respond to the second data notification; if it needs to respond to the second data notification, then the first node device and the second node device The node device sends a second data request, and the second data request includes information that the third node device requests the first node device to be deployed on the third node device and the third node device requests the second node device to deploy data. Information about the third requested deployment data deployed on the third node device, where the second requested deployment data includes all or part of the second pre-deployed data, and the third requested deployment data is all of the third pre-deployed data Data or part of data; the first node device and the second node device detect whether a second data request is received; if the first node device and the second node device receive the second data request, Then, the first node device sends the second request deployment data to the third node device in response to the second data request, and the second node device sends the third request to the third node device in response to the second data request. The deployment data is sent to the third node device.

To achieve the above objective, the present invention provides a node device, the node device includes: a memory, the memory is used to store a computer executable data deployment method program; and a processor, the processor calls the data deployment method During the program, execute the aforementioned data deployment method.

To achieve the above objective, the present invention provides a data deployment system based on a DHT network. The data deployment system includes: a first node device and a second node device communicatively connected to the first node device; wherein, the first node The device includes a memory for storing a computer-executable data deployment method program; and a processor that executes the aforementioned data deployment method when the processor invokes the data deployment method program.

In order to achieve the foregoing objective, the present invention provides a storage medium on which a data deployment method program is stored, and the data deployment method program can be executed by one or more processors to implement the aforementioned data deployment method.

Beneficial effect

Compared with the existing design, the present invention provides a data deployment method, node device, data deployment system and storage medium based on DHT network. Among them, the first node device of the data deployment system stores pre-deployed data through the first node The device sends a data notification to a second node device that is in communication with the first node device, and the second node device can respond to the data notification sent by the first node device to pull the data required by the second node device from the first node device, where: There is at least one second node device, and the data in the second node device is uniformly deployed and distributed by the first node device, so that the bandwidth of the second node device can be efficiently used, and the disordered deployment of data between the second node devices can avoid data storm.

Description of the drawings

FIG. 1 is a flowchart of the steps of a data deployment method based on a DHT network provided by the first embodiment of the present invention;

2A is a structural frame diagram of a data deployment system based on a DHT network provided by the second embodiment of the present invention;

2B is a schematic diagram of data deployment between node devices of a data deployment system based on a DHT network provided by the second embodiment of the present invention;

3A is a flowchart of steps of a method for data deployment based on a DHT network provided by a modified embodiment of the first embodiment of the present invention;

3B is a flowchart of steps of a method for data deployment based on a DHT network provided by another modified embodiment of the first embodiment of the present invention;

4 is a flow chart of the steps of a method for data deployment based on a DHT network provided by the third embodiment of the present invention;

FIG. 5A is a step flow chart of a specific implementation manner of step S22 in FIG. 4;

FIG. 5B is a flowchart of another specific implementation manner of step S22 in FIG. 4;

6 is a flowchart of steps of a data deployment method based on a DHT network provided by the fourth embodiment of the present invention;

FIG. 7 is a structural block diagram of a node device provided by five embodiments of the present invention.

The realization, functional characteristics, and advantages of the purpose of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Embodiments of the invention

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, without having to use To describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments described herein can be implemented in an order other than the content illustrated or described herein. In addition, the terms "including" and "having" and any variations of them are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to the clearly listed Those steps or units may include other steps or units that are not clearly listed or are inherent to these processes, methods, products, or equipment.

It should be noted that the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. . Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Is not within the protection scope of the present invention.

The present invention provides a data deployment method, node equipment, data deployment system and storage medium based on a DHT network, wherein a first node device of the data deployment system stores pre-deployed data, and a data notification is sent to the first node device through the first node device. The second node device to which the node device is communicatively connected, the second node device can respond to the data notification sent by the first node device to pull the data required by the second node device from the first node device, wherein there is at least one second node device, The data in the second node device is uniformly deployed and distributed by the first node device, so that the bandwidth of the second node device can be efficiently used, and the data storm caused by the disorderly deployment of data between the second node devices can be avoided.

Further, after the data of the second node device is successfully deployed, the first node device may notify the third node device to pull data from the first node device and the second node device in an orderly manner, thereby speeding up the speed of data pulling and deployment.

1 and 2A, the present invention provides a DHT network-based data deployment method, which is applied to the first node device 10 of the DHT network-based data deployment system 100. The DHT network-based data deployment system 100 includes a first node device 10 A node device 10, a second node device 20 communicatively connected with the first node device 10, wherein the first node device 10 stores pre-deployed data, and the first node device 10 may be one or more, and the second node device 20 It can also be one or more, which is not limited here.

Please refer to Figure 1. The data deployment method includes steps S11-S14.

Step S11: Send a first data notification to the second node device, where the first node device and the second node device are in communication connection, and the first data notification includes that the first node device is pre-deployed in the second node device. Information about the first pre-deployment data of the node device, where the first pre-deployment data is all or part of the pre-deployment data.

Specifically, the pre-deployed data is uploaded to the designated storage location of the first node device 10 by the user through a terminal device such as a mobile phone or a personal computer, or it may be pre-pulled by the first node device from the data server and stored in the designated storage location. data. The pre-deployed data can be data pieces or complete data. When the first node device 10 receives the pre-deployment data, it generates or updates the pre-deployment data task list, and deploys the pre-deployment data according to the pre-deployment data task list.

As shown in FIG. 2B, the first node device 10 stores pre-deployed data A, B, C, and D.

When deploying pre-deployed data, the first node device 10 sends a first data notification to the second node device 20. Wherein, the first node device 10 and the second node device 20 are communicatively connected via a DHT network, and the first data notification includes information about the first pre-deployment data that the first node device 10 is pre-deployed to the second node device 20, and the first pre-deployment data The deployment data is all or part of the pre-deployment data.

During the deployment of pre-deployment data, the first node device 10 sends a first data notification to the second node device 20 to inform the second node 20 that the first node device 10 pre-sends deployment data A, B to the second node device 20 , C, D.

Step S12: Detect whether a first data request is received. The first data request is sent by the second node device to the first node device in response to the first data notification, and the first data request includes the The second node device requests the first node device for information about the first requested deployment data deployed on the second node device, where the first requested deployment data is all or part of the first pre-deployed data.

The first node device 10 detects whether a first data request is received. The first data request is sent to the first node device by the second node device 20 in response to the first data notification, and the first data request includes the second node device 20 A request is made to the first node device 10 for the information of the first requested deployment data deployed on the second node device 20 and the size of the first requested deployment data. The first requested deployment data may be all or part of the first pre-deployed data. .

Step S13: If the first data request is received, send the first requested deployment data to the second node device in response to the first data request.

If the first node device 10 receives the first data request of the second node device 10 in response to the first data information, the first node device 10 responds to the first data request and sends the first requested deployment data to the second node device 20, The deployment of the pre-deployment data on the second node device 20 has been completed.

As shown in FIG. 2B, the second node device 20 responds to the first data notification and sends a first data request to the first node device 10, if the second node device 20 has pre-deployed data A and B already stored. In the first data request issued, the first node device 10 is requested to send the pre-deployment data C and D to the second node device 20 to complete the deployment of the pre-deployment data A, B, C, and D on the second node device 20.

If the second node device 20 has pre-deployed data A, B, and C already stored. In the first data request issued, the first node device 10 is requested to send the pre-deployment data D to the second node device 20 to complete the deployment of the pre-deployment data A, B, C, and D on the second node device 20.

Referring to FIG. 3A, in some embodiments, before step S11, the data deployment method further includes step S10.

Step S10: Obtain node information of the second node device, where the node information includes address information.

Specifically, in the DHT network, when the second node device 20 establishes a communication connection with the first node device 10, the first node device 10 updates the routing information table, and the routing information table records the corresponding node of each node device in the DHT network Information, the node information includes at least address information or IP addresses corresponding to each node device, and the first node device 10 can accurately find each node device in the DHT network through the node information. The respective node devices may be one or more second node devices 20 or other node devices other than the second node devices 20.

As shown in FIG. 2B, the first node device 10 obtains node information of at least one second node device 20 in the DHT network to send a first data notification to the second node device 20 to inform the second node 20 that the first node The device 10 sends deployment data A, B, C, and D to the second node device 20 in advance.

Referring to FIG. 3B, in some embodiments, after step S13, the data deployment method further includes steps S14-S17.

Wherein, step S14: detecting whether the data deployment feedback of the second node device is received.

The first node device 10 detects whether the data deployment feedback of the second node device 20 is received. The data deployment feedback is sent to the first node device 10 after the second node device 20 completes the storage of the first request data, and the first node device 10 After receiving the data deployment feedback of the second node device 20, the data information stored in the second node device 20 can be learned, and the data information stored in the second node device 20 can be recorded.

Step S15: If the data deployment feedback of the second node device is received, a second data notification is sent to the third node device, so that the third node device responds to the second data notification to the first node device And the second node device to issue a second data request, where the second data notification includes information about the second pre-deployment data pre-deployed on the third node device by the first node device and the second node device Information about the third pre-deployment data that is pre-deployed on the third node device, the second pre-deployment data is all or part of the pre-deployment data, and the third pre-deployment data is the first request for deployment data All or part of the data.

Specifically, if the first node device 10 receives the data deployment feedback of the second node device 20, it sends a second data notification to the third node device 30, and the third node device 30 interacts with the first node device 10 and the second node device 30. The device 20 is in communication connection, so that the third node device 30 responds to the second data notification and sends a second data request to the first node device 10 and the second node device 20.

The second data notification includes information about the second pre-deployment data that the first node device 10 is pre-deployed on the third node device 30 and information about the third pre-deployment data that the second node device 20 is pre-deployed on the third node device 30. , The size of the second requested deployment data and the size of the third requested deployment data, the second pre-deployed data is all or part of the pre-deployed data, and the third pre-deployed data is all or part of the first requested deployment data .

The third node device 30 may be one or more, which is not limited here.

Step S16: Detect whether a second data request is received, and the second data request includes information that the third node device requests the first node device to deploy the second request to deploy data on the third node device, and the third node device sends the second data request to the first node device. The second-node device requests information about the third-requested deployment data to be deployed on the third-node device, where the second-requested deployment data includes all or part of the second pre-deployment data, and the third requested deployment data is the third pre-deployment data. All or part of the deployment data.

The first node device 10 detects whether a second data request is received. The second data request includes information about the second request deployment data that the third node device 30 requests to be deployed on the third node device 30 and the third node device 30. The node device 30 requests the second node device 20 for information about the third requested deployment data deployed on the third node device 30, where the second requested deployment data includes all or part of the second pre-deployed data, and the third requested deployment The data is all or part of the third pre-deployed data.

As shown in FIG. 2B, the third node device 30 sends a second data request to the first node device 10 and the second electronic device 20 in response to the second data notification.

If the third node device 20 has pre-deployed data A already stored. In the second data request issued, the first node device 10 and the second node device 20 are requested to send the pre-deployed data B, C, and D to the third node device 30 to complete the pre-deployed data A, B, C, and D. Deployment of the device 20 at the third node.

If the third node device 20 has pre-deployed data A and B already stored. In the second data request issued, the first node device 10 and the second node device 20 are requested to send the pre-deployment data C and D to the third node device 30 to complete the pre-deployment data A, B, C, and D in the first Deployment of the three-node device 20.

Step S17: If the second data request is received, send the second requested deployment data to the third node device in response to the second data request.

If the first node device 10 receives the second data request, it responds to the second data request and sends the second requested deployment data to the third node device 30 to complete the deployment of the pre-deployment data in the third node device 30.

Please refer to Figure 4, Figure 4 is a DHT-based data deployment method provided by the present invention, applied to a data deployment system, the data deployment system includes a first node device and a second node device communicatively connected with the first node device, so The data deployment method includes steps S21-S25.

Step S21: Send a first data notification to the second node device, where the first data notification includes information about the first pre-deployed data that the first node device is pre-deployed on the second node device, and The first pre-deployment data is all or part of the pre-deployment data.

The first node device 10 stores pre-deployment data. When the first node device 10 pre-deploys the pre-deployment data, it sends a first data notification to the second node device 20, where the first data notification includes the first node device 10 Information about the first pre-deployment data pre-deployed in the second node device 20, where the first pre-deployment data is all or part of the pre-deployment data.

Step S22: The second node device determines whether it needs to respond to the first data notification.

Referring to FIG. 5A, in some embodiments, step S22 specifically includes steps S221a-S223a.

Step S221a: The second node device judges whether the second node device stores first pre-deployment data.

The second node device 20 compares the first pre-deployed data information of the first node device 10 pre-deployed to the second node device in the first data notification and the data information stored by the second node device 20 itself, thereby determining the second Whether the node device stores the first pre-deployment data.

Step S222a: If the second node device does not store the first pre-deployment data, determine whether the storage space of the second node device is greater than a set threshold.

If the second node device 20 determines that it has stored the first pre-deployment data, it will feed back the stored feedback of the second node device 20 to the first node device 10 and end the data deployment method flow.

If it is determined that the first pre-deployment data is not stored by itself, it is determined whether the storage space of the second node device 20 is greater than the set threshold.

Step S223a: If the storage space of the second node device is greater than the set threshold, it is determined that the first data notification needs to be responded to.

Referring to Fig. 5B, in some embodiments, step S22 specifically includes steps S221b-S223b.

Step S221b: The second node device determines whether the storage space of the second node device is greater than a set threshold.

Step S222b: If the storage space of the second node device is greater than the set threshold, determine whether the second node device stores the first pre-deployment data.

If the second node device 20 determines that its storage space is less than or equal to the set threshold, it will feed back to the first node device 10 that the storage space of the second node device 20 is insufficient, and end the data deployment method flow.

If it is determined that the storage space of the second node device 20 is greater than the set threshold, then it is determined whether the second node device 20 stores the first pre-deployment data.

Step S223b: If the second node device does not store the first pre-deployment data, it is determined that a response to the first data notification is required.

Step S23: If it is necessary to respond to the first data notification, the second node device sends a first data request to the first node device, and the first data request includes the second node device requesting the first node device Information about the first requested deployment data deployed on the second node device, wherein the first requested deployment data is all or part of the first pre-deployed data.

Step S24: The first node device detects whether the first data request is received.

Step S25: If the first data request is received, send the first requested deployment data to the second node device in response to the first data request.

In some embodiments, before step S21, the data deployment method further includes:

The first node device obtains node information of the second node device, where the node information includes address information.

This step is the same as step S10 in FIG. 3B, and will not be repeated here.

In some embodiments, the data deployment system 100 further includes a third node device 30, and the third node device 30 is in communication connection with the first node device 10 and the second node device 20 as shown in FIG. 2A.

After step S25, the data deployment method further includes:

Whether the first node device receives the data deployment feedback of the second node device;

If the deployment feedback of the second node device is received, a second data notification is sent to the third node device, where the second data notification includes that the first node device is pre-deployed to the third node Information of the second pre-deployment data of the device and information of the third pre-deployment data of the second node device pre-deployed on the third node device, where the second pre-deployment data is all or part of the pre-deployed data Data, the third pre-deployed data is all or part of the data of the first requested deployment data;

Determining whether the third node device needs to respond to the second data notification;

If it is necessary to respond to the second data notification, a second data request is sent to the first node device and the second node device, and the second data request includes the third node device requesting the first node device to deploy on the third node device. Information about the second deployment data requested by the node device and information about the third deployment data requested by the third node device to be deployed on the third node device from the second node device, wherein the second deployment data requested includes the second pre-deployment All data or part of the data, the third requested deployment data is all or part of the third pre-deployed data;

The first node device and the second node device detect whether a second data request is received;

If the first node device and the second node device receive the second data request, the first node device sends the second requested deployment data to the second data request in response to the second data request. A three-node device, where the second node device sends the third requested deployment data to the third node device in response to the second data request.

In some embodiments, determining whether the third node device needs to respond to the second data notification includes:

Judging by the third node device whether the storage space of the third node device is greater than a set threshold;

If the storage space of the third node device is greater than the set threshold, determining whether the third node device stores third pre-deployment data, and the second pre-deployment data includes the third pre-deployment data;

If the third node device does not store third pre-deployment data, it is determined that the second data notification needs to be responded to.

Determining, by the third node device, whether the third node device stores third pre-deployment data, and the second pre-deployment data includes the third pre-deployment data;

If the second node device does not store the third pre-deployment data, determining that the storage space of the third node device is greater than a set threshold;

If the storage space of the third node device is greater than the set threshold, it is determined that a response to the second data notification is required.

The present invention also provides a data deployment method based on the DHT network, which is applied to the second node device 20 of the data deployment system, and the second node device 20 is in communication connection with the first node device 10.

Please refer to Fig. 6, the data deployment method includes steps S40-S42.

Step S40: Detect whether a first data notification is received, the first data notification is sent by the first node to the second node device, and the first data notification includes that the first node device is pre-deployed in the Information about the first pre-deployment data of the second node device, where the first pre-deployment data is all or part of the pre-deployment data.

Step S41: Determine whether to respond to the first data notification.

In some embodiments, the determining whether to respond to the first data notification specifically includes:

Determining, by the second node device, whether the second node device stores first pre-deployment data;

If the second node device does not store the first pre-deployment data, determining whether the storage space of the second node device is greater than a set threshold;

If the storage space of the second node device is greater than the set threshold, it is determined that a response to the first data notification is required.

Exemplarily, the second node device 20 compares the first pre-deployed data information of the first node device 10 pre-deployed to the second node device in the first data notification and the data information stored by the second node device 20 itself, thereby It is determined whether the second node device 20 stores the first pre-deployment data.

Determining, by the second node device, whether the storage space of the second node device is greater than a set threshold;

If the storage space of the second node device is greater than the set threshold, determining whether the second node device stores the first pre-deployment data;

If the second node device does not store the first pre-deployment data, it is determined that a response to the first data notification is required.

Exemplarily, if the second node device 20 determines that its own storage space is less than or equal to the set threshold, it will feed back the insufficient storage space of the second node device 20 to the first node device 10, and end the data deployment method flow.

If it is determined that the storage space of the second node device 20 is greater than the set threshold, then it is determined whether the second node device 20 stores the first pre-deployed data;

Step S42: If it is necessary to respond to the first data notification, send a first data request to the first node device, and the first data request includes the second node device requesting the first node device to deploy to the second node device. Information about the first requested deployment data of the node device, so that the first node device sends the first requested deployment data to the second node device in response to the first data request, where the first requested deployment data is all Describe all or part of the first pre-deployed data.

After step S42, the data deployment method further includes:

It is detected whether a second data request is received, and the second data request is sent by the third node device to the second node device and the first node device in response to the second data notification; wherein, the second data notification includes all The information of the second pre-deployment data that the first node device is pre-deployed on the third node device and the information of the third pre-deployment data that the second node device is pre-deployed on the third node device, the second pre-deployment data The deployment data is all or part of the pre-deployed data, and the third pre-deployment data is all or part of the data in the first request for deployment;

The second data request includes information that the third node device requests the first node device to deploy the second request to deploy data on the third node device, and the third node device requests the second node device to deploy the first data deployed on the third node device. 3. Information about the requested deployment data, the second requested deployment data includes all or part of the second pre-deployed data, and the third requested deployment data is all or part of the third pre-deployed data;

If the second data request is received, the third requested deployment data is sent to the third node device in response to the second data request.

Exemplarily, the second node device 20 detects whether a second data request is received, and the second data request is sent by the third node device 30 to the second node device 20 and the first node device 10 in response to the second data notification. The second data notification is that after the first node device 10 receives the deployment feedback that the second node device 20 completes the first requested data deployment, it obtains the node information of the third node device 30 in the DHT network and sends it to the third node device. Node device 30 sends. The second data notification includes information about the second pre-deployment data pre-deployed by the first node device 10 on the third node device 30 and information about the third pre-deployment data pre-deployed by the second node device 20 on the third node device 30, The second pre-deployment data is all or part of the pre-deployment data, and the third pre-deployment data is all or part of the data of the first deployment data request.

The second data request includes information that the third node device 30 requests the first node device 10 to be deployed on the third node device 30 and the third node device 30 requests the second node device 20 to be deployed on the third node. The third requested deployment data information of the device 30, the second requested deployment data includes all or part of the second pre-deployed data, and the third requested deployment data is all or part of the third pre-deployed data.

Referring to FIG. 7, in some embodiments, the first node device 10 includes a memory 101, a processor 101 and a bus 103. The memory 101 is connected to the processor 102 through a bus 103.

The memory 101 includes at least one type of readable storage medium, and the readable storage medium includes flash memory, hard disk, multimedia card, card-type memory (for example, SD or DX memory, etc.), magnetic memory, magnetic disk, optical disk, etc. The memory 101 may be an internal storage unit of the terminal device 10 in some embodiments, such as a hard disk of the node device. In other embodiments, the memory 101 may also be an external storage device of the node device, such as a plug-in hard disk equipped with the node device, a smart memory card (Smart Media Card, SMC), Secure Digital (SD) card, Flash Card, etc. Further, the memory 101 may also include both an internal storage unit of the node device and an external storage device. The memory 101 can be used not only to store application software and various data installed in the node device, such as computer-readable program codes.

For example, the memory 101 stores a computer executable program corresponding to the data deployment method, so that when the processor 102 invokes the computer-executable data deployment method program, the first node device 10 can execute the data deployment method.

The processor 102 may be a central processing unit (Central Processing Unit) in some embodiments. Processing Unit (CPU), a controller, a microcontroller, a microprocessor, or other data processing chips are used to run program codes or process data stored in the memory 101, such as executing computer-readable programs.

The bus 103 may be a peripheral component interconnection standard (peripheral Component interconnect (PCI for short) bus or extended industry standard architecture (EISA for short) bus, etc. The bus can be divided into address bus, data bus, control bus, etc.

It can be understood that the second node device 20 and the third node device 30 may also have the same structure as the first node device 10, that is, have a memory and a processor. The memory stores a computer executable program corresponding to the data deployment method, so that when the processor invokes the computer executable data deployment method program, the node device can execute the data deployment method.

The above are only the preferred embodiments of the present invention, and do not limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related technical fields , The same reason is included in the scope of patent protection of the present invention.

To

Claims

A data deployment method based on a DHT network is applied to a first node device, and the first node device stores pre-deployed data, wherein the data deployment method includes:

Send a first data notification to the second node device, where the first node device and the second node device are in communication connection, and the first data notification includes the pre-deployment of the first node device on the second node device Information about the first pre-deployment data, where the first pre-deployment data is all or part of the pre-deployment data;

Detect whether a first data request is received, the first data request is sent to the first node device by the second node device in response to the first data notification, and the first data request includes the second node The device requests the first node device for information on the first requested deployment data deployed on the second node device, where the first requested deployment data is all or part of the first pre-deployed data;

If the first data request is received, the first request deployment data is sent to the second node device in response to the first data request.
The data deployment method according to claim 1, wherein before the sending the first data notification to the second node device, the data deployment method further comprises: obtaining node information of the second node device, wherein The node information includes address information.
The data deployment method according to claim 1 or 2, wherein after sending the first requested deployment data to the second node device in response to the first data request, the data deployment method further comprises :

Detecting whether the data deployment feedback of the second node device is received;

If the deployment feedback of the second node device is received, a second data notification is sent to the third node device, so that the third node device responds to the second data notification and sends a notification to the first node device and all nodes. The second node device sends a second data request, where the second data notification includes information about the second pre-deployment data of the first node device pre-deployed on the third node device and the second node device pre-deployment Information about the third pre-deployed data on the third node device, the second pre-deployed data is all or part of the pre-deployed data, and the third pre-deployed data is all the data of the first requested deployment data Or part of the data;

Detect whether a second data request is received, and the second data request includes information that the third node device requests the first node device to be deployed on the third node device, and the third node device sends the second node device to the second node device. Information about the third requested deployment data requested to be deployed on the third node device, where the second requested deployment data includes all or part of the second pre-deployed data, and the third requested deployment data is the third pre-deployed data All or part of the data;

If the second data request is received, the second request deployment data is sent to the third node device in response to the second data request.
A data deployment method based on a DHT network is applied to a second node device, and the second node device is in a communication connection with a first node device, wherein the data deployment method includes:

It is detected whether a first data notification is received, the first data notification is sent by the first node device to the second node device, and the first data notification includes that the first node device is pre-deployed in the Information about the first pre-deployment data of the second node device, where the first pre-deployment data is all or part of the pre-deployment data;

Determine whether to respond to the first data notification;

If it needs to respond to the first data notification, send a first data request to the first node device, and the first data request includes the second node device requesting the first node device to deploy on the second node device. First request deployment data information, so that the first node device sends the first request deployment data to the second node device in response to the first data request, wherein the first request deployment data is the first All or part of the pre-deployed data.
The data deployment method according to claim 4, wherein: determining whether to respond to the first data notification comprises:

Determining whether the second node device stores first pre-deployment data;

If the second node device does not store the first pre-deployment data, determining whether the storage space of the second node device is greater than a set threshold;

If the storage space of the second node device is greater than the set threshold, it is determined that a response to the first data notification is required.
The data deployment method according to claim 4, wherein: determining whether to respond to the first data notification comprises:

Judging whether the storage space of the second node device is greater than a set threshold;

If the storage space of the second node device is greater than the set threshold, determining whether the second node device stores the first pre-deployment data;

If the second node device does not store the first pre-deployment data, it is determined that a response to the first data notification is required.
The data deployment method according to claim 4, wherein the second node device is in communication connection with the third node device, wherein the data deployment method further comprises:

It is detected whether a second data request is received, and the second data request is sent by the third node device to the second node device and the first node device in response to the second data notification; wherein, the second data notification includes all The information of the second pre-deployment data that the first node device is pre-deployed on the third node device and the information of the third pre-deployment data that the second node device is pre-deployed on the third node device, the second pre-deployment data The deployment data is all or part of the pre-deployed data, and the third pre-deployment data is all or part of the data in the first request for deployment;

The second data request includes information that the third node device requests the first node device to deploy the second request to deploy data on the third node device, and the third node device requests the second node device to deploy the first data deployed on the third node device. Three requests for information about deployment data, the second requested deployment data includes all or part of the second pre-deployed data, and the third requested deployment data is all or part of the third pre-deployed data.

If the second data request is received, the third requested deployment data is sent to the third node device in response to the second data request.
A data deployment method based on a DHT network is applied to a data deployment system. The data deployment system includes a first node device and a second node device communicatively connected with the first node device, and the first node device stores pre-deployment Data, characterized in that the data deployment method includes:

The first node device sends a first data notification to the second node device, where the first data notification includes information about the first pre-deployment data pre-deployed by the first node device on the second node device Information, the first pre-deployment data is all or part of the pre-deployment data;

Determining whether the second node device needs to respond to the first data notification;

If it is necessary to respond to the first data notification, the second node device sends a first data request to the first node device, and the first data request includes the second node device requesting the first node device to deploy on the first node device. Information about the first deployment data request of the two-node device, where the first deployment data request is all or part of the first pre-deployment data;

The first node device detects whether the first data request is received;

If the first data request is received, sending the first requested deployment data to the second node device in response to the first data request.
8. The data deployment method according to claim 8, wherein the data deployment system further comprises a third node device, and the third node device is in communication connection with the first node device and the second node device, After sending the first requested deployment data to the second node device in response to the first data request, the data deployment method further includes:

Whether the first node device receives the data deployment feedback of the second node device;

If the deployment feedback of the second node device is received, a second data notification is sent to the third node device, where the second data notification includes that the first node device is pre-deployed to the third node Information of the second pre-deployment data of the device and information of the third pre-deployment data of the second node device pre-deployed on the third node device, where the second pre-deployment data is all or part of the pre-deployed data Data, the third pre-deployed data is all or part of the data of the first requested deployment data;

Determining whether the third node device needs to respond to the second data notification;

If it is necessary to respond to the second data notification, a second data request is sent to the first node device and the second node device, and the second data request includes the third node device requesting the first node device to deploy on the third node device. Information about the second deployment data requested by the node device and information about the third deployment data requested by the third node device to be deployed on the third node device from the second node device, wherein the second deployment data requested includes the second pre-deployment All data or part of the data, the third requested deployment data is all or part of the third pre-deployed data;

The first node device and the second node device detect whether a second data request is received;

If the first node device and the second node device receive the second data request, the first node device sends the second requested deployment data to the second data request in response to the second data request. A three-node device, where the second node device sends the third requested deployment data to the third node device in response to the second data request.
A node device, characterized in that the node device includes:

A memory for storing a computer-executable data deployment method program; and

The processor, when the processor invokes the data deployment method program, executes the data deployment method according to any one of claims 1-7.

11. A data deployment system based on a DHT network, characterized in that the data deployment system includes:

A first node device and a second node device communicatively connected with the first node device;

Wherein, the first node device includes a memory, and the memory is used to store a computer-executable data deployment method program; and

The processor, when the processor invokes the data deployment method program, executes the data deployment method according to any one of claims 1-7.

12. A storage medium, characterized in that: a data deployment method program is stored on the storage medium, and the data deployment method program can be executed by one or more processors to implement any one of claims 1-9 The data deployment method described in the item.