Cited by 318Privacy-Preserving Technologies in DataCryptography and Data SecurityCloud Data Security Solutions

Turbo-Aggregate: Breaking the Quadratic Aggregation Barrier in Secure Federated Learning

So, Jinhyun, Guler, Basak, Avestimehr, A. Salman·2021·IEEE Journal on Selected Areas in Information Theory

Abstract

Federated learning is a distributed framework for training machine learning models over the data residing at mobile devices, while protecting the privacy of individual users. A major bottleneck in scaling federated learning to a large number of users is the overhead of secure model aggregation across many users. In particular, the overhead of the state-of-the-art protocols for secure model aggregation grows quadratically with the number of users. In this article, we propose the first secure aggregation framework, named Turbo-Aggregate, that in a network with N users achieves a secure aggregation overhead of O(NlogN), as opposed to O(N2), while tolerating up to a user dropout rate of 50%. Turbo-Aggregate employs a multi-group circular strategy for efficient model aggregation, and leverages additive secret sharing and novel coding techniques for injecting aggregation redundancy in order to handle user dropouts while guaranteeing user privacy. We experimentally demonstrate that Turbo-Aggregate achieves a total running time that grows almost linear in the number of users, and provides up to 40× speedup over the state-of-the-art protocols with up to N=200 users. Our experiments also demonstrate the impact of model size and bandwidth on the performance of Turbo-Aggregate.

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Crossref · 10.1109/jsait.2021.3054610

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57 of 57 references verified0 citation errors · 0 not checkable

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  • Turbo-Aggregate's total running time is multiple times faster than the benchmarks, up to 40 times as reported by the experiments.

    “the total running time is multiple times faster than the benchmarks (i.e., up to 40 times reported by the experiments).”

    From Federated learning for smart healthcare: A survey (2023) · cites this paper as [58]

  • Turbo-Aggregate tolerates up to 50% dropping-out rate.

    “up to 50% dropping-out rate can be tolerated by Turbo-Aggregate”

    From Federated learning for smart healthcare: A survey (2023) · cites this paper as [58]

  • Turbo-Aggregate reduces aggregation overhead from O(N^2) to O(N log N), where N is the number of IoMT devices joining the FL process.

    “the aggregation overhead is significantly reduced from O( 𝑁 2 ) to O( 𝑁 log ( 𝑁 )) with 𝑁 being the number of IoMT devices joining int the FL process”

    From Federated learning for smart healthcare: A survey (2023) · cites this paper as [58]

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Authors
So, J., Guler, B., & Avestimehr, A. S.
Affiliations
University of Southern California (US)
Venue
IEEE Journal on Selected Areas in Information Theory
Published
2021-03
Volume
2
Issue
1
Pages
479-489
ISSN
2641-8770 (ISSN-L)
OpenAlex
W3013310637
Cited by
318
References
57
Citations by year
2026: 46 · 2025: 57 · 2024: 61 · 2023: 65 · 2022: 54 · 2021: 26 · 2020: 9
FWCI
18.13
Type
journal article
Language
en
Open access
closed
Locations
IEEE Journal on Selected Areas in Information Theory (publishedVersion)
Funders
  • Defense Advanced Research Projects Agency (HR001117C0053)
  • Army Research Office (W911NF1810400)
  • NSF (CCF-1703575, CCF-1763673)
  • Office of Naval Research (N00014-16-1-2189)
  • Intel
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Privacy-Preserving Technologies in Data
  • Physical Sciences › Computer Science › Artificial Intelligence › Cryptography and Data Security
  • Physical Sciences › Computer Science › Information Systems › Cloud Data Security Solutions
Keywords
federated learning, additive secret sharing, privacy-preserving data aggregation

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