Privacy-Assured Aggregation Protocol for Smart Metering: A Proactive Fault-Tolerant Approach

Jongho Won; Chris Y.T. Ma; David K.Y. Yau; Nageswara S.V. Rao

doi:10.1109/TNET.2015.2425422

Privacy-Assured Aggregation Protocol for Smart Metering: A Proactive Fault-Tolerant Approach

Jongho Won
, Chris Y.T. Ma
, David K.Y. Yau
, Nageswara S.V. Rao

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

Smart meters are integral to demand response in emerging smart grids, by reporting the electricity consumption of users to serve application needs. But reporting real-time usage information for individual households raises privacy concerns. Existing techniques to guarantee differential privacy (DP) of smart meter users either are not fault tolerant or achieve (possibly partial) fault tolerance at high communication overheads. In this paper, we propose a fault-tolerant protocol for smart metering that can handle general communication failures while ensuring DP with significantly improved efficiency and lower errors compared with the state of the art. Our protocol handles fail-stop faults proactively by using a novel design of future ciphertexts, and distributes trust among the smart meters by sharing secret keys among them. We prove the DP properties of our protocol and analyze its advantages in fault tolerance, accuracy, and communication efficiency relative to competing techniques. We illustrate our analysis by simulations driven by real-world traces of electricity consumption.

Original language	English
Article number	7106571
Pages (from-to)	1661-1674
Number of pages	14
Journal	IEEE/ACM Transactions on Networking
Volume	24
Issue number	3
DOIs	https://doi.org/10.1109/TNET.2015.2425422
State	Published - Jun 2016

Funding

This work was supported in part by Singapore's Agency for Science, Technology, and Research (ASTAR) under the Human-Centered Cyber-Physical Systems program, in part by Singapore MOE under award SUTD-ZJU-RES-01-2013, in part by U.S. NSF under award CNS-0963715, and in part by China NSFC under award 61429301.

Keywords

Data privacy
information security

Access to Document

10.1109/TNET.2015.2425422

Cite this

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title = "Privacy-Assured Aggregation Protocol for Smart Metering: A Proactive Fault-Tolerant Approach",

abstract = "Smart meters are integral to demand response in emerging smart grids, by reporting the electricity consumption of users to serve application needs. But reporting real-time usage information for individual households raises privacy concerns. Existing techniques to guarantee differential privacy (DP) of smart meter users either are not fault tolerant or achieve (possibly partial) fault tolerance at high communication overheads. In this paper, we propose a fault-tolerant protocol for smart metering that can handle general communication failures while ensuring DP with significantly improved efficiency and lower errors compared with the state of the art. Our protocol handles fail-stop faults proactively by using a novel design of future ciphertexts, and distributes trust among the smart meters by sharing secret keys among them. We prove the DP properties of our protocol and analyze its advantages in fault tolerance, accuracy, and communication efficiency relative to competing techniques. We illustrate our analysis by simulations driven by real-world traces of electricity consumption.",

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AU - Rao, Nageswara S.V.

PY - 2016/6

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AB - Smart meters are integral to demand response in emerging smart grids, by reporting the electricity consumption of users to serve application needs. But reporting real-time usage information for individual households raises privacy concerns. Existing techniques to guarantee differential privacy (DP) of smart meter users either are not fault tolerant or achieve (possibly partial) fault tolerance at high communication overheads. In this paper, we propose a fault-tolerant protocol for smart metering that can handle general communication failures while ensuring DP with significantly improved efficiency and lower errors compared with the state of the art. Our protocol handles fail-stop faults proactively by using a novel design of future ciphertexts, and distributes trust among the smart meters by sharing secret keys among them. We prove the DP properties of our protocol and analyze its advantages in fault tolerance, accuracy, and communication efficiency relative to competing techniques. We illustrate our analysis by simulations driven by real-world traces of electricity consumption.

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KW - information security

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Privacy-Assured Aggregation Protocol for Smart Metering: A Proactive Fault-Tolerant Approach

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Keywords

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