구민재, 이중희,

Vol. 34, No. 6, pp. 1403-1414, 12월. 2024
10.13089/JKIISC.2024.34.6.1403, Full Text:
Keywords: Ethereum, scalability, Layer2, Optimistic Rollup, Optimization
Abstract

Optimistic Rollup-based Layer 2 networks have garnered attention as a significant solution to address Ethereum's scalability issues. However, the efficiency of operational costs acts as a critical factor for the sustainability and scalability of these networks. In this paper, we propose and experimentally validate a method to reduce operational costs by adjusting the rollup intervals and sizes in the Titan network. Specifically, we conducted experiments by modifying the rollup intervals of Transaction Batches and State Root Batches. The experimental results showed that we could reduce the operational costs of Transaction Batches by approximately 3.4% and State Root Batches by about 64%, achieving a total operational cost reduction of around 36%. This reduction was primarily due to the decrease in overhead gas costs associated with State Root Batches. Furthermore, we derived the optimal balance by considering the impact of rollup interval changes on service quality and user experience. This study provides practical guidelines for enhancing the operational efficiency of Optimistic Rollup networks and is expected to be valuable for future network design and operations.

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