HEAL: Resilient and Self-* Hub-based Learning

Fuente: arXiv
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Hauptverfasser: Legheraba, Mohamed Amine, Galkiewicz, Stefan, Potop-Butucaru, Maria Gradinariu, Tixeuil, Sébastien
Format: Preprint
Veröffentlicht: 2026
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author Legheraba, Mohamed Amine
Galkiewicz, Stefan
Potop-Butucaru, Maria Gradinariu
Tixeuil, Sébastien
author_facet Legheraba, Mohamed Amine
Galkiewicz, Stefan
Potop-Butucaru, Maria Gradinariu
Tixeuil, Sébastien
contents Decentralized learning enhances privacy, scalability, and fault tolerance by distributing data and computation across nodes. A popular approach is Federated learning, which relies on a central aggregator, yet faces challenges such as server vulnerabilities, scalability issues, privacy risks and most importantly, the single point of failure. Alternatively Gossip Learning and Epidemic Learning offer fully decentralization through peer-to-peer exchanges of model updates, ensuring robustness and privacy, at the price of slower model convergence. In this work, we introduce a novel decentralized learning framework called HEAL. HEAL is the first cross-layer decentralized learning framework that exploits an optimized self-organizing and self-healing underlying P2P overlay combining the strengths of Federated Learning, Gossip and Epidemic Learning. Leveraging the recently proposed Elevator algorithm, HEAL promotes dynamically chosen nodes to act as aggregators. Through simulations, we demonstrate that HEAL has similar performances to that of Federated Learning in crash-free settings, while being fully decentralized and fault-tolerant. In crash and churn prone environments HEAL outperforms Gossip and Epidemic Learning.
format Preprint
id arxiv_https___arxiv_org_abs_2605_27475
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle HEAL: Resilient and Self-* Hub-based Learning
Legheraba, Mohamed Amine
Galkiewicz, Stefan
Potop-Butucaru, Maria Gradinariu
Tixeuil, Sébastien
Machine Learning
Artificial Intelligence
Decentralized learning enhances privacy, scalability, and fault tolerance by distributing data and computation across nodes. A popular approach is Federated learning, which relies on a central aggregator, yet faces challenges such as server vulnerabilities, scalability issues, privacy risks and most importantly, the single point of failure. Alternatively Gossip Learning and Epidemic Learning offer fully decentralization through peer-to-peer exchanges of model updates, ensuring robustness and privacy, at the price of slower model convergence. In this work, we introduce a novel decentralized learning framework called HEAL. HEAL is the first cross-layer decentralized learning framework that exploits an optimized self-organizing and self-healing underlying P2P overlay combining the strengths of Federated Learning, Gossip and Epidemic Learning. Leveraging the recently proposed Elevator algorithm, HEAL promotes dynamically chosen nodes to act as aggregators. Through simulations, we demonstrate that HEAL has similar performances to that of Federated Learning in crash-free settings, while being fully decentralized and fault-tolerant. In crash and churn prone environments HEAL outperforms Gossip and Epidemic Learning.
title HEAL: Resilient and Self-* Hub-based Learning
topic Machine Learning
Artificial Intelligence
url https://arxiv.org/abs/2605.27475