[tor-commits] [torspec/master] Make it clearer that authorities scan other votes.

[nickm@xxxxxxxxxxxxxx]

commit cdbb85ee3def5cc908c7f84948edb22be7351f84
Author: Karsten Loesing <karsten.loesing@xxxxxxx>
Date:   Tue Jan 28 11:28:59 2014 +0100

    Make it clearer that authorities scan other votes.
    
    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.
    
    Section 3.6 already says this implicitly when specifying how authorities
    download missing router descriptors, but that doesn't mean we can't also
    make it more explicit when specifying how authorities exchange votes.
---
 dir-spec.txt |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dir-spec.txt b/dir-spec.txt
index a594948..7d63c90 100644
--- a/dir-spec.txt
+++ b/dir-spec.txt
@@ -1247,6 +1247,13 @@
       http://<hostname>/tor/status-vote/next/d/<d>.z
    where <d> is the digest of the vote document.
 
+   Also, once an authority receives a vote from another authority, it
+   examines it for new descriptors and fetches them from that authority.
+   This may the only way for an authority to hear about relays that didn't
+   publish their descriptor to all authorities, and while it's too late
+   for the authority to include relays in its current vote, it can include
+   them in its next vote.  See section 3.6 below for details.
+
 3.4.1. Vote and consensus status document formats
 
    Votes and consensuses are more strictly formatted than other documents



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