65
variation in service times and the times between customer arrivals.
Extend
+
BPR
TM
also
supports
FIFO,
LIFO
and priority queues.
Queuing and waiting time analysis is particularly important in service
systems (in this thesis workshop service will be mainly focused).
Figure 2.21 Components of a Basic Queuing Process
In
this
thesis
infinite
calling
populations
is
applied
and
independence
between
arrivals. Also, the arrival process is poisoning with an expected arrival rate . In
addition, independent of the number of customers currently is in the system. The queue
configuration
is
a
single
queue
with
possibly
infinite
length;
no
reneging
or
balking.
The
queue
discipline
is
FIFO-
First
in
First
Out.
The
service
mechanism
consists
of
a
single server with exponentially distributed service times. The queue discipline specifies
the order by which
jobs
in
the queue are being served.
It
can entail prioritization based
on customer type.
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