It is implemented by on?line calculating of the upper bounds of cell loss probability based on the IBP traffic source model and the parameters of the buffer and capacity of a virtual path in ATM node.

• 由于IBP模型中的信元到达时间间隔的分布具有解析特性，使得基于IBP模型的信元丢失概率的上限计算问题得到简化，增强了允许控制的实时性。