A Decentralized Lightweight Blockchain Nodes Architecture Based on a Secure OpenFlow Protocol Controller Channel

Abstract

The Blockchain technology raises many concerns because all transactions must be verified by every node in the Blockchain network. Because of this the spread of Blockchain technology in all sectors has been very slow. This paper introduces Blockchain nodes and the difference between nodes and then our approach light node control node based on SDN that has a more secure routing mechanism than only light nodes or networks without full nodes and light nodes. In peer to peer networks nodes connect and disconnect all the time and some of these nodes are malicious and will cost the network security and scalability. We applied a technique that uses route packet information by making a table of the IP address with OpenFlow. We calculate our approach flow measurement performance using large scale simulations. The result showed that by using an IP table we can control the nodes connections and make more scalable, secure ones without the need of full nodes working all the time. The proposed model is a distributed architecture based on Blockchain and OpenFlow protocol technology that provides a low-cost, secure, intelligent, and simple approach in all types of computer network infrastructure.

Keywords

• blockchain
• lightweight node
• openflow
• P2P
• security