信息中心網(wǎng)絡(luò)元模塊承載的差異化服務(wù)模型
doi: 10.11999/JEIT160105
基金項目:
國家重點基礎(chǔ)研究發(fā)展計劃(973計劃)基金(2012CB315901, 2013CB329104),國家高技術(shù)研究發(fā)展計劃(863計劃)基金(2015AA016102),國家自然科學(xué)基金(61309019, 61372121)
Differentiated Service Model Based on Meta Module inInformation Centric Networking
Funds:
The National 973 Program of China (2012CB315901, 2013CB329104), The National 863 Program of China (2015AA016102), The National Natural Science Foundation of China (61309019, 61372121)
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摘要: 針對信息中心網(wǎng)絡(luò)提供面向業(yè)務(wù)類型的差異化服務(wù)的問題,該文提出一種元模塊承載的差異化服務(wù)模型(DSM3)。DSM3定義了基礎(chǔ)網(wǎng)絡(luò)控制功能單元元模塊,通過匹配不同的元模塊組合串實例來承載不同特征需求的業(yè)務(wù)類型;并將元模塊組合過程視為業(yè)務(wù)策略實例組合串業(yè)務(wù)承載路徑的二級映射問題,重點設(shè)計了針對實時業(yè)務(wù)、非實時流媒體業(yè)務(wù)和用戶自產(chǎn)生業(yè)務(wù)的路由計算類元模塊實例。仿真表明,DSM3通過少量額外控制開銷,降低了上述3種業(yè)務(wù)的平均響應(yīng)時延,提高了網(wǎng)絡(luò)節(jié)點緩存命中率,實現(xiàn)了對于差異化服務(wù)需求的支持。
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關(guān)鍵詞:
- 信息中心網(wǎng)絡(luò) /
- 多樣化業(yè)務(wù) /
- 區(qū)分服務(wù) /
- 元模塊
Abstract: In order to provide differentiated services in information centric networking, a Differentiated Service Model based on Meta Module (DSM3) is proposed. DSM3 defines the basic network control unit as meta module, and matches different meta module combination cases to carry different business with various demand characteristics. The meta module combination process is deduced as the secondary mapping problem of business policycase combination stringsbusiness path. Then, the meta module cases of route calculation for real-time service, non-real time streaming media and user generated content are designed. Simulation results show that through a small amount of additional control overhead, DSM3 reduces the average response delay of the three kinds of business above, improves the network average cache hit rate, and supports differentiated services.-
Key words:
- Information-centric networking /
- Diverse business /
- Differentiated service /
- Meta module
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