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针对ATM网络中传统流量控制参考模型的缺陷，提出了一种修正模型，它克服了传统模型的缺陷，但带来了安全性问题。因此重点研究了安全方案的实现，提出了基于单向函数的安全算法．并分析了该安全方案的保密性、独立性和完整性。
Aiming at the shortcomings of the traditional traffic control reference model in ATM networks, a modified model is proposed to overcome the shortcomings of the traditional model, but it brings security issues. Therefore, the emphasis is put on the realization of the safety scheme and a safety algorithm based on the one-way function is proposed. And analyzed the confidentiality, independence and integrity of the security plan.