<div dir="ltr">Thank you, Proposal 140 sounds perfect for what I need, that would minimize traffic quite a bit! I see some code for it at <a href="https://gitweb.torproject.org/tor.git/log/?qt=grep&q=prop140">https://gitweb.torproject.org/tor.git/log/?qt=grep&q=prop140</a> , I'm guessing it's not complete yet.<div><br></div><div>Thanks again,</div><div>Razvan</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Apr 8, 2017 at 12:43 PM, nusenu <span dir="ltr"><<a href="mailto:nusenu@openmailbox.org" target="_blank">nusenu@openmailbox.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">> I am working on a project to create very small Tor nodes on embedded<br>
> devices connected over LTE or 3G.<br>
<br>
</span>since you are concerned about bw usage I assume you talk about tor<br>
clients not relays.<br>
<span class=""><br>
> I have it working fine with OpenWRT and<br>
> just 128MB of RAM, but the main issue is now the amount of data needed to<br>
> download the consensus. The consensus files appear to be around 2.3MB at<br>
> the moment and I think the default is to re-download every 3 hours, so<br>
> that's 18.4MB/day or 552MB/month. Is there any way to reduce this while<br>
> still maintaining good citizenship on the Tor network? Are there any<br>
> recommended options for low-bandwidth nodes?<br>
<br>
</span>There is an ongoing effort to significantly reduce the bw overhead for<br>
tor clients on metered networks.<br>
<br>
Some improvements are supposed to land in tor 0.3.1.x.<br>
<br>
<br>
Relevant proposals:<br>
<br>
<a href="https://gitweb.torproject.org/torspec.git/tree/proposals/140-consensus-diffs.txt" rel="noreferrer" target="_blank">https://gitweb.torproject.org/<wbr>torspec.git/tree/proposals/<wbr>140-consensus-diffs.txt</a><br>
<a href="https://gitweb.torproject.org/torspec.git/tree/proposals/274-rotate-onion-keys-less.txt" rel="noreferrer" target="_blank">https://gitweb.torproject.org/<wbr>torspec.git/tree/proposals/<wbr>274-rotate-onion-keys-less.txt</a><br>
<a href="https://gitweb.torproject.org/torspec.git/tree/proposals/275-md-published-time-is-silly.txt" rel="noreferrer" target="_blank">https://gitweb.torproject.org/<wbr>torspec.git/tree/proposals/<wbr>275-md-published-time-is-<wbr>silly.txt</a><br>
<a href="https://gitweb.torproject.org/torspec.git/tree/proposals/276-lower-bw-granularity.txt" rel="noreferrer" target="_blank">https://gitweb.torproject.org/<wbr>torspec.git/tree/proposals/<wbr>276-lower-bw-granularity.txt</a><br>
<a href="https://gitweb.torproject.org/torspec.git/tree/proposals/277-detect-id-sharing.txt" rel="noreferrer" target="_blank">https://gitweb.torproject.org/<wbr>torspec.git/tree/proposals/<wbr>277-detect-id-sharing.txt</a><br>
<a href="https://gitweb.torproject.org/torspec.git/tree/proposals/278-directory-compression-scheme-negotiation.txt" rel="noreferrer" target="_blank">https://gitweb.torproject.org/<wbr>torspec.git/tree/proposals/<wbr>278-directory-compression-<wbr>scheme-negotiation.txt</a><br>
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--<br>
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<br></blockquote></div><br></div>