Dynamically adding nodes in blockchain networks

Dynamically adding nodes in blockchain networks

The main method, system, device and specific implementation methods are introduced. The following are the core points of the document:

Background and purpose:

Background problem: The existing method of adding nodes in blockchain networks often leads to network interruption, affecting system stability and availability.

Purpose: To provide a method that can dynamically add new consensus nodes without interrupting the operation of the blockchain network, so as to improve the robustness and scalability of the blockchain network.

Core content:

Method overview: The current consensus node obtains a transaction request to add a new node, executes the transaction after consensus verification, and numbers the new node in the node list. Then the view change is implemented to enable the new node to participate in future consensus verification.

System and device: including a computer system for implementing the method, a non-transient computer-readable storage medium, and a device including multiple execution modules.

Key technical details:

First transaction: including a request to add a new node, which is verified and executed through the consensus mechanism in the blockchain network.

Node list: a list maintained locally by the consensus node, including information such as the node's identification, IP address, port number, etc., and sorted according to the node number.

View change: initiated when the node list is detected to be inconsistent with the current view, by broadcasting new view messages and renumbering, to ensure that all consensus nodes are in the same state.

Synchronization mechanism: The new node synchronizes the blockchain data to ensure consistency with the existing node data, so that it can smoothly participate in consensus verification.

Implementation and flowchart:

PBFT implementation: describes in detail how to dynamically add new nodes through transaction requests, consensus verification, view changes and other steps under the Practical Byzantine Fault Tolerance (PBFT) consensus mechanism.

Flowchart: The entire process of adding nodes is intuitively displayed through multiple flowcharts, including key steps such as request initiation, transaction execution, view change and synchronization.

Advantages:

Improved fault tolerance: By increasing the total number of consensus nodes, the tolerance of the blockchain network to malicious or faulty nodes is improved.

Avoid interruption: The method of dynamically adding nodes does not need to interrupt the normal operation of the blockchain network, ensuring the continuity and stability of the system.

Quick response: Through efficient synchronization mechanisms and view change processes, new nodes can quickly integrate into the blockchain network and participate in consensus verification.