Page 189 - Contributed Paper Session (CPS) - Volume 3

CPS1988 Saggou Hafida H. et al.
4. The probability that the server is under repair given that the transit
customer is in service position is obtained by

5. The probability that the server is under repair given that the recurrent
customer is in service position is obtained by

6. The probability that the server is under second verification delay is given
by

7. The probability that the server is on vacation is given by

8. The probability of customer’s loss is given by
= (1 − )[ + + + 2 + ]

1

These probabilities are independent of K The steady-state availability and
failure frequency of the server are respectively noted by ( ) and ( ) and

given by

Let and be respectively the length of a busy period and the length of a

busy cycle, their expectations under the steady state conditions are given
respectively by

and

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