Inter-Domain Policy Routing: Design, Specification, and Prototype Implementation

自治管理域（autonomous Administrative Domain， AD）是由单个管理机构管理的一组资源，如主机、网络和网关。跨ad的互连是通过私有网络的互连和划分已经变得太大而无法管理的互联网来实现的。网络互连的常见方法是从组成网络中创建一个完全连接的互联网。网络访问控制机制已被设计用于ad间网关，以控制对互联网络中终端系统的访问。但是，当网络用于传输目的以及访问终端系统时，这些网络访问控制机制是不够的。在这个项目中，将开发第一个域间策略路由协议套件的设计、规范和原型实现的关键方面。最初的实验将在南加州大学计算机科学实验室进行，随后将在实际的、跨国家的、多行政领域的设施上进行测试。因此，通过将ad间通信的策略相关约束纳入路由计算，本研究为研究互联网及其为科学家和工程师提供的研究基础设施提供了必要的维护和改进

An autonomous Administrative Domain (AD) is a set of resources such as host computers, networks, and gateways, that is governed by a single administrative authority. Interconnections across ADs comes about through interconnection of private networks and by dividing an internet that has grown too large to manage. Common approaches to network interconnection create a fully connected internet out of the constituent networks. Network access control mechanisms have been designed for use in inter-AD gateways to control access to end-systems in interconnected networks. When networks are used for transit purposes as well as for access to end-systems, however, these network access control mechanisms are not adequate. In this project critical aspects of the design, specification, and prototype implementation of a first Inter-Domain Policy Routing protocol suite will be developed. Initial experimentation will carried out in the University of Southern California computer science laboratory and will subsequently be tested over actual, cross-country, multi-administrative domain facilities. Thus, by incorporating policy-related contraints on inter-AD communication into route computation, this research provides for essential maintenance and improvement of the research Internet and the research infrastructure it provides to scientists and engineers.***//