New FallbackDir option to add extra directories for bootstraping

This replaces the old FallbackConsensus notion, and should provide a
way -- assuming we pick reasonable nodes! -- to give clients
suggestions of placs to go to get their first consensus.
This commit is contained in:
Nick Mathewson
2012-09-10 18:13:28 -04:00
parent 46a62e3256
commit 90f6071d8d
7 changed files with 155 additions and 20 deletions
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o Major features:
- Add a new FallbackDir option to use when we can't use a directory
from the consensus (either because we lack a consensus, or because
they're all down). Currently, all authorities are fallbacks by
default, and there are no other default fallbacks, but that will
change. This option will allow us to give clients a longer list
of servers to try to get a consensus from when first connecting
to the Tor network, and thereby reduce load on the directory
authorities.