Researchers at Chiba University developed a lightweight peer-selection algorithm that substantially reduces data propagation delays in IoT-blockchain networks without increasing resource usage on IoT devices. The work identifies that disorganised peer-to-peer communication patterns and overall network topology, rather than blockchain protocols themselves, drive latency that impedes time-sensitive IoT applications. The research analyzes the impact of different network topologies on blockchain performance in IoT contexts and introduces a peer-selection method to streamline node interactions and maintain efficient data movement. The approach targets low-latency secure data sharing across sensors, autonomous vehicles, and industrial equipment while preserving constrained computational and energy resources.
"The primary cause of this sluggishness was not the blockchain protocol itself, according to the university researchers, but the disorganised way the nodes within peer-to-peer networks communicate. They also noted that previous research has ignored how the overarching shape of these connections - referred to as the 'network topology' - affects speed in IoT-blockchain systems."
"To address this knowledge gap, a research team led by Kien Nguyen, associate professor at the Institute for Advanced Academic Research/Graduate School of Informatics at Chiba University in Japan, investigated how to streamline operations in IoT-blockchain networks. Their study, published in the journal IEEE transactions on network and service management, investigated how the structure of peer-to-peer blockchain networks affects IoT-blockchain performance, examining the impact of different network topologies on performance and introducing a new method to keep data moving efficiently."
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