Welcome to the resource topic for 2022/1544
Title:
Towards Efficient Decentralized Federated Learning
Authors: Christodoulos Pappas, Dimitrios Papadopoulos, Dimitris Chatzopoulos, Eleni Panagou, Spyros Lalis, Manolis Vavalis
Abstract:We focus on the problem of efficiently deploying a federated learning training task in a decentralized setting with multiple aggregators. To that end, we introduce a number of improvements and modifications to the recently proposed IPLS protocol. In particular, we relax its assumption for direct communication across participants, using instead indirect communication over a decentralized storage system, effectively turning it into a partially asynchronous protocol. Moreover, we secure it against malicious aggregators (that drop or alter data) by relying on homomorphic cryptographic commitments for efficient verification of aggregation. We implement the modified IPLS protocol and report on its performance and potential bottlenecks. Finally, we identify important next steps for this line of research.
ePrint: https://eprint.iacr.org/2022/1544
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