Advances, Systems and Applications
Table 1 Memberhip functions
From: VM consolidation approach based on heuristics, fuzzy logic, and migration control
Variables | Parameter | ||
|---|---|---|---|
Level | Function Type | Parameter | |
RAM | Low | Trapezoidal | a = 0 b = 0 c = 650 d = 750 |
Medium | Trapezoidal | a = 700 b = 800 c = 900 d = 1000 | |
High | Trapezoidal | a = 900 b = 1100 c = 1800 d = 1800 | |
Correlation | Low | Trapezoidal | a = 0 b = 0 c = .5 d = .6 |
Medium | Trapezoidal | a = .5 b = .6 c = .8 d = .85 | |
High | Trapezoidal | a = .8 b = .85 c = 1 d = 1 | |
Stdev | Low | Trapezoidal | a = 0 b = 0 c = 3 d = .3.75 |
Medium | Trapezoidal | a = 3.25 b = 4 c = 6.75 d = 7.5 | |
High | Trapezoidal | a = 7.5 b = 8.5 c = 100 d = 100 | |
VM Selection | Low | Trapezoidal | a = 0 b = 0 c = .3 d = .35 |
Medium | Trapezoidal | a = 0.3 b = 0.35 c = .6 d = .65 | |
High | Trapezoidal | a = .6 b = .65 c = .8 d = .85 | |
Very High | Trapezoidal | a = .8 b = .85 c = 1 d = 1 | |