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根据虚信元丢失率和等效带宽分配的概念，提出了一种用于ATM网络中的呼叫允许接入控制的虚拟等效带宽分配算法。该方法明显提高了链路带宽的利用率，同时在业务种类较多、呼叫数量较大的情况下，比理论计算方法在计算复杂度上有很大的改善，因而便于实时控制。
According to the concept of virtual cell loss rate and equivalent bandwidth allocation, a virtual equivalent bandwidth allocation algorithm for call admission control in ATM networks is proposed. The method obviously improves the utilization ratio of the link bandwidth and improves the computational complexity greatly compared with the theoretical calculation method under the condition of more types of services and larger number of calls, thereby facilitating real-time control.