FRESCO: Fast and Reliable Edge Offloading with Reputation-based Hybrid Smart Contracts
Josip Zilic, Vincenzo de Maio, Shashikant Ilager, Ivona Brandic

TL;DR
FRESCO is a blockchain-based edge offloading framework that combines reputation tracking and formal modeling to ensure reliable, low-latency task offloading for QoS-sensitive applications in distributed environments.
Contribution
It introduces a hybrid smart contract system that securely manages reputation on-chain while enabling fast offloading decisions off-chain using SMT modeling.
Findings
Reduces response time by up to 7.86 times.
Minimizes QoS violations to 0.4%.
Saves energy by up to 5.4%.
Abstract
Mobile devices offload latency-sensitive application tasks to edge servers to satisfy applications' Quality of Service (QoS) deadlines. Consequently, ensuring reliable offloading without QoS violations is challenging in distributed and unreliable edge environments. However, current edge offloading solutions are either centralized or do not adequately address challenges in distributed environments. We propose FRESCO, a fast and reliable edge offloading framework that utilizes a blockchain-based reputation system, which enhances the reliability of offloading in the distributed edge. The distributed reputation system tracks the historical performance of edge servers, while blockchain through a consensus mechanism ensures that sensitive reputation information is secured against tampering. However, blockchain consensus typically has high latency, and therefore we employ a Hybrid Smart…
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Taxonomy
TopicsBlockchain Technology Applications and Security · FinTech, Crowdfunding, Digital Finance · Private Equity and Venture Capital
