1. For use in a communication system in which, each time a communication is performed, resources necessary for the communication
are allocated from resources shared by a plurality of communications, a call admission control method for determining whether
resources may be allocated to a communication, wherein each communication is classified into any one of a plurality of communication
types and ease of resource allocation differs according to each communication type, said method comprising the steps of:
measuring a traffic of resources currently allocated and shared; and
increasing a difference in ease of resource allocation between the communication types as a value of the measured traffic
increases.
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