A Chunk Caching Location and Searching Scheme in Content Centric Networking
Yang Li, Tao Lin, Hui Tang, Peng Sun

TL;DR
This paper introduces an implicit coordinate caching scheme in Content Centric Networking that optimizes chunk placement and search, enhancing content diversity and network performance through a hierarchical cache management strategy.
Contribution
It proposes a novel implicit coordinate caching and searching scheme (CLS) that manages chunk placement efficiently in CCN, reducing server load and improving retrieval speed.
Findings
Outperforms existing caching algorithms in various metrics
Increases content diversity in the network
Reduces server workload and download time
Abstract
Content Centric Networking (CCN) is a new network infrastructure around content dissemination and retrieval, shift from host addresses to named data. Each CCN router has a cache to store the chunks passed by it. Therefore the caching strategy about chunk placement can greatly affect the whole CCN performance. This paper proposes an implicit coordinate chunk caching location and searching scheme (CLS) in CCN hierarchical infrastructure. In CLS, there is at most one copy of a chunk cached on the path between a server and a leaf router. This copy is pulled down one level towards the leaf router by a request or pushed up one level towards the server by the cache eviction. Thus, it is possible to store more diverse contents in the whole CCN and improve the network performance. Plus, in order to reduce the server workload and file download time, a caching trail of chunk is created to direct…
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