Abstract
Architecture combining Content-Centric Network (CCN) and Software-Defined Network (SDN) has gradually attracted more attention. We have realized a prototype of CCN using Protocol-Oblivious Forwarding (POF), called Software-Defined Content Network (SDCN). And SDCN does not rely on the IP. CCN supports the unique in-network caching, so that caching strategies become a challenge. CCN lacks of global recognition for the whole network that leads to unreasonable resource allocation. This paper focuses on collecting topology information in SDCN and constructing a hierarchical cache model of the network. We discuss how to distribute cache capacity based on node value under the total storage budget for the network. A cache strategy based on node value is also proposed, which places contents on the nodes with different values according to their popularity. Experimental results show that the cache performance in SDCN was improved.
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Acknowledgements
This work is supported by the “Strategic Priority Research Program” of the Chinese Academy of Sciences (XDA06030900).
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Liu, J., Wang, L., Zhang, Y., Wang, Z., Wang, S. (2016). Hierarchical Caching Management for Software Defined Content Network Based on Node Value. In: Park, J., Yi, G., Jeong, YS., Shen, H. (eds) Advances in Parallel and Distributed Computing and Ubiquitous Services. Lecture Notes in Electrical Engineering, vol 368. Springer, Singapore. https://doi.org/10.1007/978-981-10-0068-3_8
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DOI: https://doi.org/10.1007/978-981-10-0068-3_8
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