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内容中心容迟网络中基于订阅时效的缓存管理机制 被引量：3

Buffer management scheme in content-centric DTNs based on temporal validity of subscription
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摘要 基于用户兴趣的时效性对缓存管理决策有着极为重要的影响,将用户兴趣的有效时间运用到消息的丢弃决策中,并提出一种新的基于订阅时效性的缓存管理机制。该机制定义一个多属性的效用,从节点、数据消息和用户兴趣等多个角度综合决定消息的丢弃优先级。仿真结果表明:采用该机制所得消息到达率和分发速度大,网络开销小。 Considering that the temporal validity of user interest plays an important role in buffer management decisions, the validity duration of user interest in message dropping decision was applied and buffer management scheme based on a novel temporal validity was presented. In this scheme, a multi-attribute utility was designed to decide the dropping priority of messages from the standpoints of node, message and interest. The simulation results prove that the scheme has high delivery ratio and dissemination speed, and low overhead.
作者 罗熹 安莹 黄家玮 王建新
机构地区 中南大学信息科学与工程学院 湖南警察学院信息技术系 中南大学信息安全与大数据研究院
出处 《中南大学学报（自然科学版）》 EI CAS CSCD 北大核心 2015年第7期2487-2493,共7页 Journal of Central South University:Science and Technology
基金 国家自然科学基金资助项目(60873265) 国家自然科学基金创新群体科学基金资助项目(70921001) 国家高技术研究发展计划(863计划)项目(2009AA112205) 湖南省科技计划项目(2012FJ3045)~~
关键词 内容中心网络 容迟网络 订阅发布系统 缓存管理 拥塞避免 content-centric networks delay tolerant networks （DTNs） publish/subscribe system buffer management congestion avoidance
分类号 TG111.3 [金属学及工艺—物理冶金]
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参考文献16

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二级参考文献20

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中南大学学报（自然科学版）
2015年 第7期

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