概述了容迟网络路由技术的发展、面临的挑战和评价指标,对容迟网络路由协议进行了分类,详细介绍了目前主要基于效用的路由协议基本原理和特点,并进行深入分析和比较,最后结合该领域当前研究现状,对未来研究容迟网络效用路由算法进行了总结和展望。
This paper introduced the development,challenges and evaluation index of routing in DTN.Then described the basic principle and features of utility-based routing protocols.Finally,analyzed and compared these routing protocols,identified open research issues and intend to motivate new research and development in this area.