Improving PING/Latency using Realtime Service Curve (sc), m1, d, m2

[mamas6667]

using a concave service curve under HFSC, a flow can achieve lowerdelay than under PFQ without over-reserving link bandwidth. As a result, HFSC provides decoupled delay and bandwidth allocation in an integrated fashion

http://www.cs.cmu.edu/~hzhang/HFSC/tech.html

the max value for d I found is 1000000000 ms

example of my concave service curve for gaming:
<name>qGamesUp</name>
<realtime3>52%</realtime3>
<realtime2>1</realtime2>
<realtime1>70%</realtime1>

m1=70%(max allowed value) d=1ms m2=52%

The question is what are the ideal values for m1 d and m2 for gaming??
What are the ideal values for m1 d and m2 for VOIP, ACK??
What values would make the most concave service curve??