BlockSDN-VC: A SDN-Based Virtual Coordinate-Enhanced Transaction Broadcast Framework for High-Performance Blockchains

Fuente: arXiv
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Main Authors: Jia, Wenyang, Wang, Jingjing, Lei, Kai
Format: Preprint
Published: 2025
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author Jia, Wenyang
Wang, Jingjing
Lei, Kai
author_facet Jia, Wenyang
Wang, Jingjing
Lei, Kai
contents Modern blockchains need fast, reliable propagation to balance security and throughput. Virtual-coordinate methods speed dissemination but rely on slow iterative updates, leaving nodes out of sync. We present BlockSDN-VC, a transaction-broadcast protocol that centralises coordinate computation and forwarding control in an SDN controller, delivering global consistency, minimal path stretch and rapid response to churn or congestion. In geo-distributed simulations, BlockSDN-VC cuts median latency by up to 62% and accelerates convergence fourfold over state-of-the-art schemes with under 3% control-plane overhead. In a real blockchain environment, BlockSDN-VC boosts confirmed-transaction throughput by 17% under adversarial workloads, requiring no modifications to existing clients.
format Preprint
id arxiv_https___arxiv_org_abs_2510_00306
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle BlockSDN-VC: A SDN-Based Virtual Coordinate-Enhanced Transaction Broadcast Framework for High-Performance Blockchains
Jia, Wenyang
Wang, Jingjing
Lei, Kai
Distributed, Parallel, and Cluster Computing
C.2.2; C.2.1; C.2.6; C.2.3; C.4
Modern blockchains need fast, reliable propagation to balance security and throughput. Virtual-coordinate methods speed dissemination but rely on slow iterative updates, leaving nodes out of sync. We present BlockSDN-VC, a transaction-broadcast protocol that centralises coordinate computation and forwarding control in an SDN controller, delivering global consistency, minimal path stretch and rapid response to churn or congestion. In geo-distributed simulations, BlockSDN-VC cuts median latency by up to 62% and accelerates convergence fourfold over state-of-the-art schemes with under 3% control-plane overhead. In a real blockchain environment, BlockSDN-VC boosts confirmed-transaction throughput by 17% under adversarial workloads, requiring no modifications to existing clients.
title BlockSDN-VC: A SDN-Based Virtual Coordinate-Enhanced Transaction Broadcast Framework for High-Performance Blockchains
topic Distributed, Parallel, and Cluster Computing
C.2.2; C.2.1; C.2.6; C.2.3; C.4
url https://arxiv.org/abs/2510.00306