[tahoe-lafs-trac-stream] [Tahoe-LAFS] #68: implement distributed introduction, remove Introducer as a single point of failure

[Tahoe-LAFS]

#68: implement distributed introduction, remove Introducer as a single point of
failure
-------------------------+-------------------------------------------------
     Reporter:  lvo      |      Owner:  warner
         Type:           |     Status:  closed
  enhancement            |
     Priority:  major    |  Milestone:  1.12.0
    Component:  code-    |    Version:  0.2.0
  network                |   Keywords:  scalability availability
   Resolution:  fixed    |  introduction gsoc docs anti-censorship test-
Launchpad Bug:           |  needed research i2p-collab
-------------------------+-------------------------------------------------
Changes (by warner):

 * status:  new => closed
 * resolution:   => fixed
 * milestone:  1.13.0 => 1.12.0


Comment:

 Ok, at long last, this ticket is done. We didn't implement the cool
 "gossip" approach, or the limited-flood thing, or the invitation thing.
 But nodes can now be configured with zero/1/many introducer FURLs (via a
 combination of tahoe.cfg `introducer.furl=` and the new
 `NODEDIR/private/introducers.yaml`), and servers will announce themselves
 to all introducers, and clients will merge announcements from all
 introducers.

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/68#comment:125>
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