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Abstract

A method for controlling an acceptance or refusal of a new connection on an ATM communication device with a maximum capacity R.sub.max and is already handling M connections which can be statistically multiplexed. The new connection has a peak cell rate PCR and an average sustainable cell rate SCR. The method determines a sum P.sub.M+1 =.SIGMA.PCR.sub.i of the peak cell rates PCR and a sum S.sub.M+1 =.SIGMA.SCR.sub.i of the average sustainable cell rates SCR of the existing connections M and the new connection. A variance V of the cell rates of the M+1 connections is determined and a required capacity load.sub.M+1 for the M connections is determined in dependence on PM, SM and V, and the new connection is accepted if load .sub.M+1 is less than or equal to R.sub.max. The connection acceptance control can be carried out faster, more effectively and independently of the sequence of accepted connections by the exact calculation of the required capacity of the communication connections.

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First Claim