Call-Burst Blocking Probabilities of ON-OFF Traffic Sources under the Bandwidth Reservation Policy

Abstract

Abstract. We calculate call and hurst hlocking prohahilities (CBP and BBPrespectively) in a singlelink loss system accommodating service-classes of ON-OFF traffic calls, either of high or low handwidth requirements. To benefit high speed calls the handwidth reservation (BR) policy is considered (ON-OFF/BR model). Poisson arriving calls enter the system via state ON and may altemate hetween states ON and OFF. When a call passes to state OFF it releases the handwidth held in state ON which hecomes availahle for new arrivals. When the call tries to return to state ON it re-requests its handwidth. If it is availahle a new hurst hegins; otherwise, the hurst is hlocked and the call remains in state OFF. The CBP/BBP calculation is hased on approximate formulas.

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