说明：  以延迟容忍网络的路由算法为主要研究对象。叙述了延迟容忍网 络的技术背景和协议框架。比较了已有的路由算法，并在此基础之上，结 合延迟容忍网络的体系结构特点，提出了信息库的概念和几种延迟容忍网 络体系下的路由算法。
(To delay tolerant network routing algorithm as the main object of study. Describes the technical background of delay tolerant networking and protocol framework. Comparison of the existing routing algorithms, and on this basis, combined with delay tolerant network architecture, we proposed the concept of repository and several delay tolerant network system under the routing algorithm.)