期刊
IEEE TRANSACTIONS ON NETWORK AND SERVICE MANAGEMENT
卷 18, 期 3, 页码 3900-3917出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNSM.2021.3079326
关键词
Predictive models; Logistics; Distribution functions; Containers; Time series analysis; Smoothing methods; Servers; Content centric networks; caching; interest dissemination; content popularity; Zipf distribution; bloom filter
资金
- NSF [CNS-1542839]
This paper presents a neighborhood aware content caching mechanism NACID, which takes into account the popularity of content and the distance of content copies in the neighborhood, and shows substantially better performance than existing CCN caching policies.
Content-Centric Networking (CCN) is a promising framework for the next generation Internet architecture that exploits ubiquitous in-network caching to minimize content delivery latency and reduce network traffic. In this paper, we introduce a neighborhood aware mechanism for content caching, named Neighborhood Aware Caching and Interest Dissemination (NACID) that accounts for the popularity of contents and how close the content copies are in the neighborhood. We use a very low-overhead, Bloom Filter based dissemination of caching information in the neighborhood. Given the neighborhood cached contents, the proposed scheme decides when and how to handle the additional caching of content and its eviction. Simulation results show that NACID performs substantially better than the existing CCN caching policies. We also study different heterogeneous cache memory allocation strategies and show that the simpler homogeneous allocation strategies work almost as well.
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