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We indicated that "0" meant "no more messages" but we didn't say
what happened if there was no space to put such a 0.

Closes #41

Closes #40.

Signed-off-by: David Goulet <dgoulet@torproject.org>

- Rename 'overload-reached' to 'overload-general'
- Simplify 'overload-ratelimits' for engineering reasons
- Add versioning on the extra-info fields
- Add a few more metrics

Originally designed in tor#25573 as part of a defense for the
DropMark attack by Rochet and Pereira.

Closes #33.

Signed-off-by: David Goulet <dgoulet@torproject.org>

Also clarify and improve wording of the timeout calculation section.

Signed-off-by: David Goulet <dgoulet@torproject.org>

(Found while working on Arti)

Tor has never generated or implemented this diff command. Found
while working on arti.

because of sbws#40020 and potentially sbws#40023.

Closes: #34.

Signed-off-by: Mike Perry <mikeprry@torproject.org>
Signed-off-by: David Goulet <dgoulet@torproject.org>

bandwidth file version, not v1.5.0.

Closes: #35

  - Clarify that complete algorithms are canonical
  - Break off backwards ecn idea into ideas directory.
  - Define RTT_min
  - cite prop 325
  - Count INTRODUCE1 towards SENDME, don't count SENDME.
  - note optimization for circwindow_inc variability
  - consider limiting the rate of change of circwindow_inc
  - Mention hs-ntor allows extra data fields
  - Mention if we calculate recieve window, it can become negative.
  - Track outstanding sent cells for better BDP estimates.
  - Use min of backoff multiplier vs BDP, not max.
  - We can safely set our initial congestion window much higher than TCP.