[tor-project] Intent to Minimise Effort: Fallback Directory Mirrors

[teor]

> On 26 Aug 2017, at 08:30, nusenu <nusenu-lists at riseup.net> wrote:
> 
> use ContactInfo
> as a way to collect the intention of relay operators to opt-in/opt-out
> of the fallback directory mirrors list.

This is a good idea, *if* we still think an opt-in is necessary.

It seems that fallbacks are widely accepted by relay operators.
I've never had any fallback operator complain about the extra load.
(Or anything else, for that matter.) And consensus diffs will make for
even *less* load in future.

So I can't see any reasons to keep running opt-ins.

But it does cut out the conversation about keeping relay details the
same. I wonder how much this helps fallback operators, and if we should
keep it. Regardless of my level of opt-in effort, we still lose around
10% of relays on the list every 6 months. (Which is about the rate we
expected, so we designed Tor to cope well with 20% loss.)

If someone else wants to run the opt-in machinery: emails,
conversations, and relay lists; I'm happy to support it. And I'm happy
to support any process redesign.

But if no-one wants to do the opt-in or implement the redesign, I'd like
to try running opt-out for a while, and see if we get a similar failure
rate.

So let's try for a process that's as simple as possible, but still
achieves the redundancy we want.

> This comes at the price of increasing the descriptor size, but
> (temporary) 5 chars might be ok? You can probably reduce it to 3 chars
> if 5 is to much.

I wouldn't worry about descriptor size: compression and microdescriptors
will take care of the extra bytes.

T

--
Tim Wilson-Brown (teor)

teor2345 at gmail dot com
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