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Data transmission method and device and network node

A data transmission method and node technology, applied in the field of communication, can solve the problem that the interests of data or service providers cannot be truly protected, and achieve the effects of less transmission delay, improved security and reliability, and improved security

Active Publication Date: 2019-08-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this model, there are two main problems: on the one hand, the provider of data and services is subject to a monopoly platform, and the interests of the provider of data or services cannot be truly protected

Method used

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  • Data transmission method and device and network node
  • Data transmission method and device and network node
  • Data transmission method and device and network node

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0191] This embodiment uses intelligent shared equipment and / or shared big data as technical scenarios to illustrate the technical solutions of the present application. This application scenario is only an example for understanding the technical solutions of the present invention, and the present invention includes but is not limited thereto. .

[0192] Such as image 3 As shown, the application scenario may include the following devices: node U1 (representing UE1), node N1 (representing Node1), node D (representing data source node Data source), one or more blockchains, and each blockchain has It consists of several blockchain nodes. This embodiment uses the above scenario as an example to illustrate the content of the invention, but the method provided in this embodiment includes but is not limited to the above scenario.

[0193] This embodiment provides a data access method, which specifically includes the following steps:

[0194] Step 301: A first node (for example, nod...

Embodiment 2

[0278] This embodiment provides a data transmission method, which can be used for nodes that do not apply for data access for the first time, for example, the first node initiates a process of data access to the blockchain network. This method can also be executed on the basis of Embodiment 1, that is, after the first node applies for accessing data for the first time, the first node in this embodiment initiates an access request for the same data. In addition, this method can also be executed independently, and the first node initiates a data access request to the blockchain node.

[0279] This embodiment describes in detail the first node's request to access the same data based on the method steps of the first node's first request to access data in Embodiment 1.

[0280] First, according to the description of Embodiment 1, the first blockchain is used to record key information of data. Specifically, the key information of the data has been recorded in the first blockchain a...

Embodiment 3

[0341] This embodiment also provides a data transmission method, see Figure 5 , the method includes three parts of the process, which are part A, part B and part C, wherein the method of part A describes the process of the first node (U1) requesting access to data, and the method of part B describes the process of the second node (U2) requesting access to data The process of , part C method describes the process of the third node (U3) requesting access to the data.

[0342] Among them, these three parts of the method flow can be executed independently, or combined in pairs, such as the combination of part A and part B, the combination of part B and part C, or the combination of part A, part B and part C. This is not limited.

[0343] The following describes and introduces the method steps of each part of the process in this embodiment.

[0344] Part A process

[0345] The method flow in part A describes the process of the first node U1 requesting access to data.

[0346] ...

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Abstract

The invention discloses a data transmission method and device and a network node. The method comprises: enabling a first node to obtain data information and secret key information of data recorded ona first block chain; obtaining encrypted data according to the data information, and obtaining a secret key according to the secret key information of the data; and decrypting the encrypted data by using the key to obtain data. According to the method, the characteristic of data sharing on the block chain is utilized, so that the first node of the requester can directly obtain the data informationfrom any block chain node of the block chain, the burden of repeated transmission of the data information between a core network or a plurality of routes is further reduced, and the transmission delay is reduced.

Description

technical field [0001] The present application relates to the communication field, and in particular to a data transmission method, device and network node. Background technique [0002] In the current communication system, in order to reduce the delay for users to obtain services, a method of mobile edge computing is proposed. That is, data is stored close to users (such as base stations or routers) to provide services to users, but the provision of services or data is still subject to a monopoly third party. [0003] In addition, the basic idea of ​​Content Delivery Network (CDN) is to avoid bottlenecks and links on the Internet that may affect the speed and stability of data transmission as much as possible, so as to make content transmission faster and more stable. By placing a layer of intelligent virtual network based on the existing Internet based on node servers placed everywhere in the network, the CDN system can real-time according to the network traffic and the c...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L9/32G06Q20/38
CPCH04L63/06H04L63/10H04L63/1458H04L9/3236H04L9/3278G06Q20/3827G06Q20/3829H04L9/32H04L9/40
Inventor 张亮亮张向东常俊仁冯淑兰
Owner HUAWEI TECH CO LTD
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