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fix for RTT numerator calculations

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This commit is contained in:
Stephen Birarda 2015-07-29 10:55:22 -07:00
parent 7084c12434
commit 94db77155e
1 changed files with 2 additions and 2 deletions
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4
libraries/networking/src/udt/Connection.cpp
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@ -452,9 +452,9 @@ void Connection::updateRTT(int rtt) {
static const int RTT_ESTIMATION_ALPHA_NUMERATOR = 8;
static const int RTT_ESTIMATION_VARIANCE_ALPHA_NUMERATOR = 4;
_rtt = (_rtt * (1 - RTT_ESTIMATION_ALPHA_NUMERATOR) + rtt) / RTT_ESTIMATION_ALPHA_NUMERATOR;
_rtt = (_rtt * (RTT_ESTIMATION_ALPHA_NUMERATOR - 1) + rtt) / RTT_ESTIMATION_ALPHA_NUMERATOR;
_rttVariance = (_rttVariance * (1 - RTT_ESTIMATION_VARIANCE_ALPHA_NUMERATOR)
_rttVariance = (_rttVariance * (RTT_ESTIMATION_VARIANCE_ALPHA_NUMERATOR - 1)
+ abs(rtt - _rtt)) / RTT_ESTIMATION_VARIANCE_ALPHA_NUMERATOR;
}