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基於路由器選擇之快取機制於內容核心網路

Cache Scheme based on Router Selection for Content Centric Networks

摘要


隨著網路發展趨勢,未來的網路流量成長速度將遠遠超越網路建設的速度,這將造成許多網路服務無法使用的困境,為解決此問題,學者們研究並提出一種嶄新的網路架構名為內容核心網路,以資料命名的方式和內容暫存的技術取代傳統IP 位址的連線方式,以提升整體的網路效能,但現有的快取機制並無法有效地利用路由器的暫存空間,儲存過多且重複的資料浪費了路由器的暫存空間。本研究針對上述問題,提出新的快取機制,僅將資料暫存於重要的路由器,使各用戶端能以平均最小的跳躍數取得資料,模擬結果顯示,本研究提出的快取機制不僅能減少快取資料的數量更能最小化使用者與資料之間的跳躍數。

並列摘要


The growing speed of network traffic is much faster than that of infrastructure deployment, it turns down Internet services thus. To solve this problem, researchers investigate then propose a novel network architecture called Content Centric Networks (CCN). CCN is expected to replace traditional IP connection with named data and content cache for improving network performance. However, existing scheme in CCNs is unable to utilize cache space efficiently due to unnecessary replica data. The paper aims to eliminate unneeded replica by caching less data in specific routers, thereby each user can acquire requested data with less hop count. Simulation results show that the proposed cache scheme not only decreases the number of cache data but also minimizes the average hop count between user and data.

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