内容中心网络中能耗优化的隐式协作缓存机制

伊鹏; 李根; 张震

doi:10.11999/JEIT170635

内容中心网络中能耗优化的隐式协作缓存机制

doi: 10.11999/JEIT170635

伊鹏¹,
李根¹,
张震¹

基金项目:

国家自然科学基金(61372121, 61521003)

计量
- 文章访问数: 1268
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- 被引次数: 0
出版历程
- 收稿日期: 2017-06-30
- 修回日期: 2017-12-13
- 刊出日期: 2018-04-19

Energy Optimized Implicit Collaborative Caching Scheme for Content Centric Networking

Funds:

The National Natural Science Foundation of China (61372121, 61521003)

摘要

摘要: 综合考虑内容中心网络(CCN)的能耗优化及性能提升，该文提出一种内容中心网络中能耗优化的隐式协作缓存机制。缓存决策时，利用缓存节能量作为判决条件优先在用户远端节点缓存，并利用数据包携带最近上游缓存跳数信息进行隐式协作，减轻用户近端节点缓存空间的竞争压力，提高邻近节点缓存的差异性。缓存替换时，选取缓存节能量最小的缓存内容加以替换，达到最优的能耗优化效果。仿真结果表明，该缓存机制在性能上获得较优的缓存命中率及平均路由跳数，同时有效降低了网络能耗。
- 内容中心网络 /
- 缓存机制 /
- 能耗优化 /
- 隐式协作
Abstract: Taking into account the energy optimization and performance enhancement of the Content Centric Networking (CCN) comprehensively, an energy optimized implicit collaborative caching scheme for CCN is proposed. In terms of the caching decision, energy saving account is utilized as the judgement, which is carried out on consumer's remote nodes preferentially, and the data packet is utilized to carry the information of recent upstream caching hops, so as to realize the implicit collaboration, thus reducing the caching space competition pressure of the consumers near nodes, improving the caching difference between nearby nodes. As for the caching replacement, the caching content with the minimum energy saving account is selected to be replaced, achieving the optimal energy consumption optimization effect. Simulation results show that, the caching scheme achieves better cache hit ratio and average routing hops, meanwhile, it reduces the network energy consumption effectively.
- Content Centric Networking (CCN) /
- Caching scheme /
- Energy optimization /
- Implicit collaboration

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参考文献(27)

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