Patent ID: 6400685
Filing Date: 2002-06-04
Classification: H04L

Abstract:
A heterogenous traffic Connection Admission Control system in ATM network comprising:Connection Admission Control means having a plurality of Connection Admission Controllers connected in parallel each for calculating equivalent bandwidths corresponding to each traffic class of calls introduced through ATM network nodes interconnected with each of said Connection Admission Controllers, transmitting the equivalent bandwidths to bandwidth allotment determining means and controlling the Connection Admission of the input calls in accordance with bandwidths of the traffic classes received from the bandwidth allotment determining means; bandwidth allotment determining means for calculating a traffic class service capacity of the plurality of Connection Admission Controllers based on the equivalent bandwidth provided respectively from the Connection Admission Controllers and providing acceptable bandwidths of the Connection Admission to the plurality of Connection Admission Controllers respectively in response to the calculation result thereof; storage means for temporally storing ATM cells output from the plurality of Connection Admission Controllers by using a plurality of buffers connected with their corresponding Connection Admission Controllers; a server for transmitting ATM cells stored in the plurality of buffers of the storing means in round robin mode via a transferring channel.