Multi-ISP cooperative cache sharing for saving inter-ISP transit cost in content centric networking

Kazuhito Matsuda, Go Hasegawa, Masayuki Murata

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Content-Centric Networking (CCN) has an in-network caching mechanism, which can reduce the traffic volume along the route to the destination host. This traffic volume reduction on the transit link can decrease inter-ISP transit cost. However, the memory space for caching in CCN routers is small relative to content volume. In addition, any initial access to the content requested by a user must use the transit link, even when a nearby CCN router outside the route has the cached content. In this paper, we propose a method of cooperative cache sharing among CCN routers in multiple ISPs. It aims to attain a further reduction in the inter-ISP transit cost by improving the cache hit ratio. In the proposed method, the CCN routers share the memory space for caching of non-overlapping cache content. We evaluate the proposed method by simulation experiments using the IP-level network topology of actual ISP, and show that the inter-ISP transit traffic can be reduced by up to 28% compared with normal caching behavior of CCN.

本文言語English
ページ(範囲)621-629
ページ数9
ジャーナルIEICE Transactions on Communications
E98B
4
DOI
出版ステータスPublished - 2015 4月 1
外部発表はい

ASJC Scopus subject areas

  • ソフトウェア
  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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