【摘要】 参照ITU -T和PINT的IN/Internet互通模型 ,设计了一个详细的基于北京邮电大学CIN系统的模型 ,该模型对参考模型有很大的改进和细化。然后分别从横向和纵向两个方面将模型分成三个层次和三个部分进行讨论。由于各网关的重要性 ,重点对各个网关进行了深入细致的研究 ,提出了“信息流路径”的概念。该模型在“863”项目的实施中得到了很好的验证。更多还原

【Abstract】 Referring to IN/Internet interworking models proposed by ITU-T and PINT respectively, another model is designed here based on CIN (Chinese intelligent network) system of Beijing University of Posts and Telecommunications. This model carried out heavy modifications and refinements on those two reference models. Before discussion, this model is divided into three layers horizontally and three sections vertically. Because of the importance of each gateway, emphases are put on them especially. Moreover, a novel conception called "information flow trail" is proposed, which is useful to design most of gateways. The model designed here has been verified by an "863" project of China very well.更多还原