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一种缩减内容中心网络的AS域间流量的机制
  • 摘要

    内容中心网络(content-centric networking,CCN)的一个主要特点就是利用网络内部存储提高网络性能和缩减网络冗余流量.但由于当前路由器存储技术的限制,使得CCN路由器的内容存储器(CS)空间大小十分有限,这造成了路由器缓存的命中率很低,导致CCN的网络性能优势和冗余流量缩减的作用无法得到体现.为了有效地解决这个问题,提出了一种新颖的存储系统AS-BOOST,该系统可以避免当前存储技术的限制,使得CCN的优势得到充分发挥,同时可以防止针对CCN的缓存污染攻击.通过仿真来验证AS-BOOST的有效性,仿真结果表明,只要付出少量的存储开销,AS-BOOST就可以有效地提高用户请求的命中率和明显降低AS域间流量,并且不易受到缓存污染攻击.

  • 作者

    郭猛  陈秋红  GUO Meng  CHEN Qiu-hong 

  • 作者单位

    河南城建学院计算机科学与工程系,河南平顶山,467036

  • 刊期

    2014年9期 ISTIC PKU

  • 关键词

    内容中心网络  命中率  存储系统  域间流量  content-centric networking  hit ratio  storage system  inter-AS traffic 

参考文献
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