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[liberationtech] A modest proposal for protecting the work (and freedom) of activists.

coderman coderman at gmail.com
Sat Jan 25 15:46:44 PST 2014


On Sat, Jan 25, 2014 at 3:23 PM, Ben Laurie <ben at links.org> wrote:
> [low latency vs. anonymity]
>
> Actually, it seems it is a natural law.
>
> Hope is not a strategy.


natural in that they interfere with each other? (like multi-path fade,
apply science for great justice! (e.g. more radios, better encoding
turns multi-path from detriment to signal positive))

if high bandwidth[0] is half way there, and so many techniques[1] yet
unexplored, why the pessimism?

it is certainly taking too long to get here, of course.  *grin*


best regards,



0. "Towards Efficient Traffic-analysis Resistant Anonymity Networks"
 http://research.microsoft.com/apps/pubs/?id=199302
"""
In this paper, we present the design, implementation, and evaluation
of Aqua, a high bandwidth anonymity system that resists traffic
analysis. We focus on providing strong anonymity for BitTorrent, and
evaluate the performance of Aqua using traces from hundreds of
thousands of actual Bit-Torrent users. We show that Aqua achieves
latency low enough for efficient bulk TCP flows, bandwidth sufficient
to carry BitTorrent traffic with reasonable efficiency, and resistance
to traffic analysis within anonymity sets of hundreds of clients. We
conclude that Aqua represents an interesting new point in the space of
anonymity network designs.
"""


1. various datagram based Tor-like protocols with traffic analysis
protections afforded new multi-path, out-of-order, stochastic shaped
bandwidth in non-TCP, non-stream based variants.  plenty of fertile
research ground across:
- IPsec telescopes
- DTLS transports for Tor
- userspace SCTP multi-path end-to-exit and end-to-hiddensvc over
datagram Tor, I2P, etc.
- userspace IPv6 with ORCHID based node identifier overlay as endpoint
and route addressing to existing applications.
- new variations and combinations of optimized dynamic link padding
- decentralized low bandwidth directory/path building low overhead techniques
- stochastic fair queuing and reordering with traffic source
classification into priority queues for even lower path latency, RTT.
 and many more, not on top of mind... [obligatory link to anon bib here]



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