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DNS data update method and system based on blockchain shared cache

A data update and shared cache technology, applied in digital transmission systems, transmission systems, user identity/authority verification, etc., can solve the problems of no solution migration, too simple data update process, etc., to ensure authenticity and credibility degree of effect

Active Publication Date: 2022-03-01
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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Problems solved by technology

However, the data update process of the existing scheme 2 is too simple and does not consider the above factors, so it does not have the mobility of the scheme

Method used

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  • DNS data update method and system based on blockchain shared cache
  • DNS data update method and system based on blockchain shared cache

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Embodiment Construction

[0021] The purpose of the present invention is to solve the above-mentioned prior art in the DNS recursive service based on the blockchain shared cache, which will cause a large number of recursive DNS servers to simultaneously initiate queries to the upper-level DNS server when the DNS resource records cached on the blockchain expire. For the problem, a data update method and system for DNS recursive service based on blockchain shared cache is proposed. Core technical content of the present invention comprises:

[0022] 1) The blockchain that the present invention relies on is not a completely decentralized public blockchain, but a multi-centralized blockchain, that is, only a limited number of blockchain management nodes can become block-producing nodes to participate in Consensus block production process, and each round of block production cycle has a globally known block production node to receive data, so that the management node can send the updated data and its digital si...

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Abstract

The present invention proposes a method for updating DNS data based on a blockchain shared cache, including: establishing an alliance blockchain, and deploying a smart contract to monitor DNS resource records cached in the alliance blockchain; when monitoring any DNS If the resource record meets the update conditions, multiple management nodes of the consortium chain are selected as update nodes, and the update operation is performed to obtain the update data of the DNS resource record; each update node generates a digital signature for the update data with a private key, and sends it to To the current block node of the consortium chain for verification, the block node selects the uplink data from all the updated data; through the block node, the uplink data generates a new block and chains it into the consortium blockchain . The present invention also proposes a DNS data update system based on a block chain shared cache, and a data processing device implementing the DNS data update method.

Description

technical field [0001] The invention relates to the technical field of computer network domain names, in particular to a method for updating DNS data based on a block chain shared cache. Background technique [0002] Domain Name System (Domain Name System, DNS) is a distributed network directory service of the Internet. It is mainly used to complete the mutual mapping between domain names and IP addresses, so that users can easily access specific websites through domain names without having to remember Complex and obscure IP addresses. The Domain Name System was created in 1983 as part of the ARPANET. With the rapid growth of the scale of the Internet, the important role of the domain name system to properly maintain the host name and address mapping is highlighted, and the design of the domain name system is also continuously increasing and optimizing functions with more and more complex Internet applications. [0003] Blockchain is a new application model of computer tec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L67/5682H04L67/10H04L61/4511H04L9/32
CPCH04L67/10H04L9/3247H04L61/4511H04L67/5682
Inventor 李晓东张玉军魏久麒
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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