[tor-dev] Performance and Security Improvements for Tor: A Survey

[Rob Jansen]

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Hi Ian,

Thanks for the link, and for working on the survey - this was long
overdue. I especially enjoy the mind map (Figure 5) which gives a quick
view of all of the work over the years. The community has been busy!

On the incentives front, I believe the survey is missing a few papers.

- -"Proof-of-Work as Anonymous Micropayment: Rewarding a Tor Relay"
  FC 2015 Short Paper, http://fc15.ifca.ai/preproceedings/paper_71.pdf
- -"Paying the Guard: an Entry-Guard-based Payment System for Tor"
  FC 2015 Short Paper, http://fc15.ifca.ai/preproceedings/paper_112.pdf
- -"From Onions to Shallots: Rewarding Tor Relays with TEARS"
  HotPETs 2014, http://www.robgjansen.com/publications/tears-hotpets2014.pdf
- -"Payment for Anonymous Routing"
  PETS 2008, http://cs.gmu.edu/~astavrou/research/Par_PET_2008.pdf

While the TEARS paper only appeared at HotPETs (so far), I feel like it
should be included because TorCoin is cited and TEARS is more viable
than the TorCoin approach (IMHO) - the reasons for this are explained in
the Tor incentives blog post:
https://blog.torproject.org/blog/tor-incentives-research-roundup-goldstar-par-braids-lira-tears-and-torcoin

Also, all of the above, as well as LIRA, are missing from "Incentives"
node of the mind map in Figure 5. I realize that this isn't necessarily
an incentives survey, but most incentive schemes affect performance and
some schemes were included so it may make sense to include them all.
Also, it looks like there is some whitespace below the "Throttling"
node, so they may fit fairly easily.

Finally, there is no section on Tor simulators/emulators!? I was
surprised by this, as that is definitely an area of research that has
greatly helped explore performance questions. It would be great to
include a section on it so that researchers reading this survey and
looking to work on performance know which tools they can use to get
started. Shadow, ExperimenTor, SNEAC, and Chutney are the main tools
that immediately come to mind that may be useful in exploring
performance questions.

Hope this is useful!

All the best,
Rob

> On Mar 16, 2015, at 12:38 PM, Ian Goldberg <iang at cs.uwaterloo.ca> wrote:
>
> Oh, please *do* comment.  We can easily (and definitely plan to) update
> the ePrint tech report, incorporating the feedback we get from all of
> you, and giving credit in the acknowledgements.  (Do let us know how
> you'd like to be credited.)  Once we're happy with the result, we'll
> submit a condensed (due to page limits) version to a journal.
>
>   - Ian

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