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Network delay optimization method of multi-alliance chain consensus algorithm

A technology of network delay and optimization method, which is applied in the field of blockchain to achieve the effect of network resource satisfaction and multiple benefits

Active Publication Date: 2021-09-07
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] There have been many works trying to optimize the delay of the consensus process from the consensus mechanism, but these works assume that the network layer routing and bandwidth resources are relatively stable

Method used

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  • Network delay optimization method of multi-alliance chain consensus algorithm
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  • Network delay optimization method of multi-alliance chain consensus algorithm

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Embodiment

[0053] figure 1 It is a flowchart of a network delay optimization method for a multi-consortium chain consensus algorithm of the present invention.

[0054] In this example, if figure 1 As shown, a network delay optimization method of a multi-consortium chain consensus algorithm of the present invention includes the following steps:

[0055] S1. In this embodiment, a 14-Node NSFNET topology is used as the physical topology. The number of nodes in the topology is 14, the number of connection edges is 20, and the available bandwidth on each connection edge is 5 to 10 Mbps. A total of 3 confederations will be deployed chain, such as figure 2 shown. Among them, alliance chain 1 includes nodes 1, 3, 4, 6, 8, 9, and 12, alliance chain 2 includes nodes 0, 3, 5, 7, 10, 12, and 13, and alliance chain 3 includes nodes 2, 4, and 7. , 8, 10, 11, and 13 nodes, the master node switches every 10 minutes.

[0056] S2. When the decision-making time slot T=5 seconds for routing change arr...

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Abstract

The invention discloses a network time delay optimization method for a multi-alliance chain consensus algorithm, and the method comprises the following steps: constructing a multicast tree for each alliance chain in a communication network topology by utilizing a reinforcement learning technology through a routing controller, wherein a main node of the alliance chain is taken as a root node of each multicast tree; constructing a multicast tree which ensures that the main node is communicated with all the auxiliary nodes, so that a block generated by the main node can be routed to all member nodes through the multicast tree; besides, enabling the routing controller to allocate bandwidth to each path on each multicast tree, wherein in the bandwidth allocation process, delay indexes of all alliance chains on each edge need to be considered, and the sum of bandwidth occupancy of all chains on the same edge cannot exceed the total available bandwidth of the link; and finally, enabling the routing controller to deploy the multicast tree routing and the bandwidth allocation result into the communication network, thereby completing the time delay optimization of the communication network.

Description

technical field [0001] The invention belongs to the technical field of block chains, and more specifically relates to a network delay optimization method of a multi-consortium chain consensus algorithm. Background technique [0002] As a typical representative of permissioned chains in blockchain technology, alliance chains have gradually gained widespread attention and use in recent years. The consortium chain is constructed by a consortium composed of multiple institutions, and the generation, consensus, and maintenance of its ledger are completed by members designated by the consortium. The most critical technology in the consortium chain is the consensus algorithm, which broadcasts blocks to the network. After receiving a large number of blocks, the nodes of the entire network sequentially carry out the consensus process to verify the content and form a ledger, that is, a set of blocks with a specific structure. For a business with an extremely large transaction volume,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/08H04W24/02H04W72/04G06N3/08
CPCH04W4/08H04W24/02H04W72/0453G06N3/08
Inventor 宋彤雨谈雪彬胡文昱董刘杨任婧王雄徐世中王晟
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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