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@@ -42,8 +42,18 @@ scalable network.
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\section{Introduction}
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-Tor is a low-latency anonymous communication overlay network designed
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-to be practical and usable for protecting TCP streams over the
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+Anonymous communication is full of surprises. In this paper we will
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+tell you about some of them. We will describe the challenges arising
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+from our experiences with deploying, Tor, a low-latency anonymous general
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+purpose communication system. We will discuss some of the difficulties
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+we have experienced, how we have met them or, when we have some idea,
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+how we plan to meet them. We will also discuss some tough open
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+problems that have not given us any trouble in our current deployment.
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+We will describe both those future challenges that we intend to and
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+those that we have decided not to explore and why.
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+
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+Tor is an overlay network, designed
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+to be practical and usable, for protecting TCP streams over the
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Internet~\cite{tor-design}. We have been operating a publicly deployed
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Tor network since October 2003 that has grown to over a hundred volunteer
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nodes and sometimes as much as 80 megabits of average traffic per second.
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Paul Syverson