UCT/UD: Don't wake up remote peer for every ACKREQ packet #6218
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Why
Fix a performance degradation in an application, introduced by #5499
Elapsed time results (T is baseline), lower is better:
How
Set a minimal interval of requesting remote wakeup by sending ACK+REQ message with SOLICITED event.
Hopefully, ACKs would arrive by that time, so would not need to send ACK+REQ any more.