信息中心网络元模块承载的差异化服务模型

doi:10.11999/JEIT160105

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摘要

针对信息中心网络提供面向业务类型的差异化服务的问题，该文提出一种元模块承载的差异化服务模型(DSM³)。DSM³定义了基础网络控制功能单元——元模块，通过匹配不同的元模块组合串实例来承载不同特征需求的业务类型；并将元模块组合过程视为“业务策略→实例组合串→业务承载路径”的二级映射问题，重点设计了针对实时业务、非实时流媒体业务和用户自产生业务的路由计算类元模块实例。仿真表明，DSM³通过少量额外控制开销，降低了上述3种业务的平均响应时延，提高了网络节点缓存命中率，实现了对于差异化服务需求的支持。

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	田铭
	邬江兴
	兰巨龙
	马腾

关键词 ：信息中心网络, 多样化业务, 区分服务, 元模块

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

收稿日期: 2016-01-21 出版日期: 2016-09-07

PACS:

TP393

基金资助:

国家重点基础研究发展计划(“973”计划)基金(2012CB315901, 2013CB329104)，国家高技术研究发展计划(“863”计划)基金(2015AA016102)，国家自然科学基金(61309019, 61372121)

通讯作者: 田铭：女，1984年生，助理工程师，研究方向为新型网络体系结构、路由算法优化. E-mail: tianming19841101@126.com

作者简介: 田铭：女，1984年生，助理工程师，研究方向为新型网络体系结构、路由算法优化. 邬江兴：男，1953年生，教授，中国工程院院士，研究方向为程控交换、拟态计算与拟态安全. 兰巨龙：男，1962年生，教授，研究方向为宽带信息网络、网络与信息安全. 马腾：男，1987年生，博士生，研究方向为新型网络体系结构、算法优化.

引用本文:

田铭,邬江兴,兰巨龙,马腾. 信息中心网络元模块承载的差异化服务模型[J]. 电子与信息学报, 2016, 38(11): 2940-2947. TIAN Ming, WU Jiangxing, LAN Julong, MA Teng. Differentiated Service Model Based on Meta Module in Information Centric Networking. JEIT, 2016, 38(11): 2940-2947.

链接本文:

http://jeit.ie.ac.cn/CN/10.11999/JEIT160105 或 http://jeit.ie.ac.cn/CN/Y2016/V38/I11/2940

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