diff options
Diffstat (limited to 'ma/safety_reset.tex')
| -rw-r--r-- | ma/safety_reset.tex | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/ma/safety_reset.tex b/ma/safety_reset.tex index 5d25e8a..5a256af 100644 --- a/ma/safety_reset.tex +++ b/ma/safety_reset.tex @@ -154,7 +154,7 @@ against attacks and simplify updates. Combined with the small market sizes in sm cost lies in the meter's software % TODO cite? There exist multiple competing standards applicable to various parts of a smart electricity meter. In addition, most countries have their own certification regimen\cite{cenelec01}. This complexity creates a large development - burden for new market entrants. + burden for new market entrants\cite{perez01}. } this produces a high cost pressure on the software development process for smart electricity meters. @@ -478,6 +478,12 @@ simple to reduce attack surface there. \subsection{Landline IP} \subsection{IP-based wireless systems} \subsection{Frequency modulation as a communication channel} + +For our system, we chose grid frequency modulation (henceforth GFC) as a low-bandwidth uni-directional communications channel. +Compared to traditional PLC GFC requires no additional hardware, works reliably throughout the grid and is harder to +manipulate by a malicious actor. +% FIXME \cite{urtasun01} + \subsubsection{The frequency dependance of grid frequency} \subsubsection{Control systems coupled to grid frequency} \subsubsection{Avoiding dangerous modes} @@ -596,9 +602,6 @@ correctly configure than it is to simply use separate hardware and secure the in \chapter{Economic viability of countermeasures} \section{Attack cost} \section{Countermeasure cost} -\section{Conclusion} - -\chapter{The ethics and security implications of centralized crackdown on energy theft} % FIXME maybe include a standard for the technical side of a safety reset system here, e.g. in the style of an IETF draft? |