一种基于层次路由推送的CCN移动性支持方案

A Mobility Support Scheme based on Hierarchical Push Routing in Content Centric Networks

随着互联网的快速发展,用户对内容信息的需求日趋明显,当前网络架构的设计已经不能满足时下服务的要求,因此,以信息为中心的未来网络的研究得以迅速发展。内容中心网络(CCN)是未来网络的研究热点之一,然而现阶段CCN的设计未深入考虑用户移动性问题。本文针对CCN网络中的移动性管理问题,提出一种基于层次路由推送的解决方案。仿真结果表明,本文所提出的方法能有效降低用户获取内容的时间及网络中消息重传数目。

With the rapid development of Internet, the demand of content information for users is so increasingly clear that the current network architecture design has been unable to meet the require- ments of today＇s service. Therefore, the research of information -centric future network is developing rapidly. Among them, the content center network （CCN） is one research hotspot of future net- works. However, the current design of CCN has little consideration for the problem of mobile con- sumer. For the problem of mobility management in CCN, this paper presents a hierarchical push routing scheme. Simulation results indicate that the proposed approach can effectively reduce the av- erage content retrieval time and the number of retransmitted messages in the network.