[tor-dev] Review of Proposal 147: Eliminate the need for v2 directories in generating v3 directories
nickm at alum.mit.edu
Thu Jan 16 21:06:38 UTC 2014
On Wed, Jan 15, 2014 at 9:15 PM, Roger Dingledine <arma at mit.edu> wrote:
> On Wed, Jan 15, 2014 at 01:08:03PM +0100, Karsten Loesing wrote:
>> I talked to Roger on IRC, and here's why this proposal may indeed be
>> As of January 2013, there is only a single version 3 directory authority
>> left that serves version 2 statuses: dizum. moria1 and tor26 have been
>> rejecting version 2 requests for a long time, and it's mostly an
>> oversight that dizum still serves them. The other six authorities have
>> never generated version 2 statuses for others to be used as pre-voting
>> opinions. So, it's basically not true that version 2 statuses are
>> required for the version 3 protocol to work properly.
> See git commits 2e692bd8 and eaf5487d, which went into 0.2.2.12-alpha:
> o Major bugfixes:
> - Many relays have been falling out of the consensus lately because
> not enough authorities know about their descriptor for them to get
> a majority of votes. When we deprecated the v2 directory protocol,
> we got rid of the only way that v3 authorities can hear from each
> other about other descriptors. Now authorities examine every v3
> vote for new descriptors, and fetch them from that authority. Bugfix
> on 0.2.1.23.
> That was the stopgap that made proposal 147 not so critical. I think
> based on Karsten's recent results that maybe it's enough.
Sounds good to me.
Is this in dir-spec.txt? I'm not finding it at first glance. If it
isn't, Karsten, would you be able to add it? Probably we should do
that _after_ merging your dirspec branch.
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