[lwip-devel] [bug #49533] TCP connection deadlocks upon dropped window update due to not filling window

[Simon Goldschmidt]

Follow-up Comment #5, bug #49533 (project lwip):

Let me sum up what I think would be correct behavior for lwIP:
- RTO timer prevents connection deadlock while unacked != NULL
- persist timer prevents connection deadlock when unacked == NULL *and* we
have a zero-window-like condition (either real zero window or received window
too small for next segment to be sent, which might also happen when enqueueing
a segment)

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