內(nèi)容中心網(wǎng)絡(luò)中能耗優(yōu)化的隱式協(xié)作緩存機(jī)制

伊鵬; 李根; 張震

doi:10.11999/JEIT170635

內(nèi)容中心網(wǎng)絡(luò)中能耗優(yōu)化的隱式協(xié)作緩存機(jī)制

doi: 10.11999/JEIT170635 cstr: 32379.14.JEIT170635

伊鵬¹,
李根¹,
張震¹

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(61372121, 61521003)

計(jì)量
- 文章訪問數(shù): 1317
- HTML全文瀏覽量: 178
- PDF下載量: 244
- 被引次數(shù): 0
出版歷程
- 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: 綜合考慮內(nèi)容中心網(wǎng)絡(luò)(CCN)的能耗優(yōu)化及性能提升，該文提出一種內(nèi)容中心網(wǎng)絡(luò)中能耗優(yōu)化的隱式協(xié)作緩存機(jī)制。緩存決策時(shí)，利用緩存節(jié)能量作為判決條件優(yōu)先在用戶遠(yuǎn)端節(jié)點(diǎn)緩存，并利用數(shù)據(jù)包攜帶最近上游緩存跳數(shù)信息進(jìn)行隱式協(xié)作，減輕用戶近端節(jié)點(diǎn)緩存空間的競(jìng)爭(zhēng)壓力，提高鄰近節(jié)點(diǎn)緩存的差異性。緩存替換時(shí)，選取緩存節(jié)能量最小的緩存內(nèi)容加以替換，達(dá)到最優(yōu)的能耗優(yōu)化效果。仿真結(jié)果表明，該緩存機(jī)制在性能上獲得較優(yōu)的緩存命中率及平均路由跳數(shù)，同時(shí)有效降低了網(wǎng)絡(luò)能耗。
- 內(nèi)容中心網(wǎng)絡(luò) /
- 緩存機(jī)制 /
- 能耗優(yōu)化 /
- 隱式協(xié)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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