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| 1 | Mobility Support for Content Source in Content-Centric Networking显示文摘Content-centric networking(CCN) is rising to solve the problems suffered by traditional networks,especially in terms of content delivery.One of the critical issues for basic CCN is supporting mobility.Handoff of Mobile Content Source(MCS) will result in a large scale routing update,which generates huge amount of routing overhead and leads to service interruption.Most of the existing CCN mobility mechanisms are transplanted from the IP mobility solutions,which are unnaturally integrated with CCN.Different from previous works,a mobility strategy from the perspective of CCN architecture is proposed to support the handoff of MCS in this paper.Especially,we define the critical network routers that can limit the routing update scale effectively when MCS handoff is conducted.Based on the defined critical network routers,the proposed scheme can provide lower routing update overhead,faster routing convergence and shorter service interruption time.Finally,series of simulations are conducted to validate the effectiveness of our proposed scheme. | HUANG Tao LI Jiangxu LIU Jiang ZHANG Yunyong LIU Yunjie | 2015 | China Communications2015，12，3： | 1 |
| 2 | 一种用于VNETs的内容命名与路由方法显示文摘在智能车联网环境下,节点具有高度的动态特性,现有的互联网体系架构难以较好的适应这类场景。基于命名数据网络(NDN,Named Data Networking)这种以内容为中心的新型网络体系结构,提出一种基于多层P:L对结构的内容命名方法,实现匹配粒度可选特性;设计一种分档增量计数式布鲁姆过滤器结构,实现高效的名字匹配与查询。该方法可为智能车联网环境下的高效通信问题研究提供参考与借鉴。 | 杨凤 刘金眉 黄珊珊 | 2017 | 软件工程2017，20，5： | 0 |
| 3 | 内容推送和路由扩散相结合的内容源移动管理优化方案显示文摘在内容中心网络(Content Centric Networking,CCN)中,消费者请求按照原有转发路径无法成功交付移动内容源,兴趣包丢失率高;为保证移动内容源的可达性,则需要对全网路由器进行路由更新,这将造成巨大的更新开销。针对上述问题,提出内容推送和路由扩散相结合的内容源移动管理优化方案。与现有CCN内容源移动方案相比,所提方案充分考虑内容源移动过程中频繁切换接入路由器的情况,利用切换前后接入路由器间的位置信息交互保证移动内容源的可达性;在此基础上,根据内容源与接入路由器的连接时间,分别在切换前后动态采用主动内容推送和限定跳数广播路由更新的方式进一步缩短消费者的请求响应时延。通过仿真分析,所提方案可以有效降低兴趣包丢失率,缩短请求响应时延。 | 段洁 邹亚琴 胡显静 | 2022 | 电讯技术2022，62，1： | 0 |
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