NDLI: Coordinating In-Network Caching in Content-Centric Networks: Model and Analysis

Content Provider	IEEE Xplore Digital Library
Author	Yanhua Li Haiyong Xie Yonggang Wen Zhi-Li Zhang
Copyright Year	2013
Description	Author affiliation: Univ. of Minnesota, Minneapolis, MN, USA (Yanhua Li; Zhi-Li Zhang) \|\| Univ. of Sci. & Technol. of China, Suzhou, China (Haiyong Xie) \|\| Central Res. Inst., Huawei Technol., Shenzhen, China (Yonggang Wen)
Abstract	In-network content storage has become an inherent capability of routers in the content-centric networking architecture. This raises new challenges in utilizing and provisioning the in-network caching capability, namely, how to optimally provision individual routers' storage to cache contents, so as to balance the trade-offs between the network performance and the provisioning cost. To address this problem, we first propose a holistic model to characterize the network performance of routing contents to clients and the network cost incurred by globally coordinating the in-network storage capability. We then derive the optimal strategy for provisioning the storage capability that optimizes the overall network performance and cost, and analyze the performance gains via numerical evaluations on real network topologies. Our results reveal interesting phenomena; for instance, different ranges of the Zipf exponent can lead to opposite optimal strategies, and the trade-offs between the network performance and the provisioning cost have great impacts on the stability of the optimal strategy. We also demonstrate that the optimal strategy can achieve significant gain on both the load reduction at origin servers and the improvement on the routing performance.
Starting Page	62
Ending Page	72
File Size	841392
Page Count	11
File Format	PDF
ISBN	9780769550008
ISSN	10636927
DOI	10.1109/ICDCS.2013.71
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Servers Internet Measurement Analytical models Educational institutions Performance gain coordinated caching in-network caching content-centric networks
Content Type	Text
Subject	Computer Networks and Communications Hardware and Architecture Software

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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