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Title : Numerical Computation of the Erlang-B Formula

Author: Tobias Hoßfeld

Short Description:

The Erlang-B formula is well known in teletraffic theory and allows to compute the blocking probability of an M/M/n/n loss system queue with n servers but no waiting places. However, the numerical computation of the Erlang-B formula leads to the problem of overflow because of n! and Aⁿ. We show how to numerically compute the Erlang-B formula with an iterative method.

Keywords:

• • Erlang-B formula

  • M/M/n Loss system

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