1.RTT Deviation =$RTT_{D}$=(1-$RTT_{D\beta }$) old $RTT_{D}$ + $RTT_{D\beta }$ * | ($RTT_{S}$ -$RTT_{M}$)|
2.RTT Deviation =$RTT_{D}$=(1-$RTT_{D\beta }$) old $RTT_{D}$ + $RTT_{D\beta }$ * | ($RTT_{M}$)|
Which of the following is right formula for calculation and in what conditions ?I found bot formula right in sone numericals?