Centralization means that the center determines the node. Nodes must rely on the center, without which they cannot survive. For example, we can only acquire knowledge by going to schools, such as primary schools, middle schools, universities and so on. Here, students are individuals, the school is the center, and everyone revolves around the school. This is centralization.
In a system with many nodes, each node is highly autonomous. Nodes can freely connect with each other to form a new connection unit. Any node may become the center of the stage, but it does not have the mandatory central control function.
The influence between nodes will form a nonlinear causal relationship through the network. This open, flat and equal institutional phenomenon or structure is called decentralization.
Decentralization, relative to the concept of "centralization", in the decentralized system network, every participant (node) is in an equal and free relationship, and no one depends on anyone. In a decentralized system, anyone is a node and anyone can be a center. Any center is not permanent, but phased, and any center is not mandatory for nodes.
The difference between centralization and decentralization
As far as the difference between the two is concerned, to make an image metaphor, "decentralization" is like a gathering of friends. Everyone is free and equal, and can speak freely. You can choose not to talk or leave halfway. No one's departure will affect the party.
And "centralization" is like a leadership meeting. Everything depends on the instructions and arrangements of the leadership center at the meeting. Once the leader leaves in the middle of the meeting, the meeting will be ruined immediately.