[tor-dev] minimizing traffic for IoT Tor node over 3G/LTE

[nusenu]

> I am working on a project to create very small Tor nodes on embedded
> devices connected over LTE or 3G.

since you are concerned about bw usage I assume you talk about tor
clients not relays.

> I have it working fine with OpenWRT and
> just 128MB of RAM, but the main issue is now the amount of data needed to
> download the consensus. The consensus files appear to be around 2.3MB at
> the moment and I think the default is to re-download every 3 hours, so
> that's 18.4MB/day or 552MB/month. Is there any way to reduce this while
> still maintaining good citizenship on the Tor network? Are there any
> recommended options for low-bandwidth nodes?

There is an ongoing effort to significantly reduce the bw overhead for
tor clients on metered networks.

Some improvements are supposed to land in tor 0.3.1.x.


Relevant proposals:

https://gitweb.torproject.org/torspec.git/tree/proposals/140-consensus-diffs.txt
https://gitweb.torproject.org/torspec.git/tree/proposals/274-rotate-onion-keys-less.txt
https://gitweb.torproject.org/torspec.git/tree/proposals/275-md-published-time-is-silly.txt
https://gitweb.torproject.org/torspec.git/tree/proposals/276-lower-bw-granularity.txt
https://gitweb.torproject.org/torspec.git/tree/proposals/277-detect-id-sharing.txt
https://gitweb.torproject.org/torspec.git/tree/proposals/278-directory-compression-scheme-negotiation.txt








-- 
https://mastodon.social/@nusenu
https://twitter.com/nusenu_

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 801 bytes
Desc: OpenPGP digital signature
URL: <http://lists.torproject.org/pipermail/tor-dev/attachments/20170408/944f7e40/attachment-0001.sig>