"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."
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.
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