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Split minimum idle timeout period #3847

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merged 2 commits into from Jul 14, 2020
Merged

Split minimum idle timeout period #3847

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9d55480
Split minimum idle timeout period
martinthomson Jul 8, 2020
d44f3c8
Remove the justification (too hard)
martinthomson Jul 8, 2020
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6 changes: 4 additions & 2 deletions draft-ietf-quic-transport.md
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Expand Up @@ -2667,8 +2667,7 @@ source address.
If a max_idle_timeout is specified by either peer in its transport parameters
({{transport-parameter-definitions}}), the connection is silently closed
and its state is discarded when it remains idle for longer than the minimum of
both peers max_idle_timeout values and three times the current Probe Timeout
(PTO).
both peers max_idle_timeout values.

Each endpoint advertises a max_idle_timeout, but the effective value
at an endpoint is computed as the minimum of the two advertised values. By
Expand All @@ -2682,6 +2681,9 @@ ack-eliciting packet if no other ack-eliciting packets have been sent since last
receiving and processing a packet. Restarting this timer when sending a packet
ensures that connections are not closed after new activity is initiated.

To avoid excessively small idle timeout periods, endpoints MUST increase the
idle timeout period to be at least three times the current Probe Timeout (PTO).


### Liveness Testing

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