|
n
|
Number of nodes or processors
|
|
m
|
Number of waveform modules or tasks
|
|
t
s
|
Call setup delay
|
|
|
Call setup delay constraint
|
|
p
b
|
Blocking probability
|
|
|
Blocking probability constraint
|
|
t
RA
|
Resource allocator’s (RA’s) execution time model
|
|
F
|
Scaling factor of RA model
|
|
α
|
Nodes’ exponent (nα) of RA model
|
|
β
|
Modules’ exponent (mβ) of RA model
|
|
θ
|
Cost function’s weight
|
|
ρ
|
Traffic load in Erlangs
|
|
ρ
max
|
Maximum traffic load a single RA can manage
|
|
λ
|
Average session initiation requests per second
|
|
1/μ
|
Average session duration in seconds
|
|
Φ(n)
|
Number of users that can be served with n
|
| |
processors for a given waveform model
|
