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NetDP: In-Network Differential Privacy for Large-Scale Data Processing
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DOI：10.1109/TGCN.2024.3432781.png)
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摘要
En 中文
Radio access network (RAN) enables large-scale collection of sensitive data. Privacy-preserving techniques aim to learn knowledge from sensitive data to improve services without compromising privacy. However, as the data scale increases, enforcing privacy-preserving techniques on sensitive data may consume a considerable amount of system resources and impose performance penalties. To reduce system resource consumption, we present NetDP, an in-network architecture for privacy-preserving techniques by leveraging programmable switches to improve resource efficiency (i.e., CPU cycles, network bandwidth, and privacy budgets). The key idea of NetDP is to accommodate and exploit cryptographic operators to reduce resource consumption rather than repetitively and exhaustively suppressing the impact of these techniques. To the best of our knowledge, this is the first time that privacy-preserving techniques in a large-scale data processing system have been enforced on programmable switches. Our experiments based on Tofino switches indicate that NetDP significantly reduces computation latency (e.g., 40.2%-55.8% latency in computations) without impacting fidelity.
Keyword:
Privacy
Noise
Differential privacy
Data processing
Sensitivity
Computer architecture
Pipelines
In-network computing
differential privacy
期刊
I
IF:
6.7
论文数:
1.4K
被引数:
4.3K
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