A dynamic cache placement policy for NDN based on programmable data plane

Yuli Zha; Pengshuai Cui; Yuxiang Hu; Julong Lan

doi:10.1117/12.2656603

20 October 2022 A dynamic cache placement policy for NDN based on programmable data plane

Yuli Zha, Pengshuai Cui, Yuxiang Hu, Julong Lan

Proceedings Volume 12451, 5th International Conference on Computer Information Science and Application Technology (CISAT 2022); 124512P (2022) https://doi.org/10.1117/12.2656603
Event: 5th International Conference on Computer Information Science and Application Technology (CISAT 2022), 2022, Chongqing, China

Abstract

To address the problems of low cache hit ratio and high routing hops to obtain content in Named Data Networking (NDN), this paper proposes a Cache placement Policy based on Dynamic Popularity (DPCP). When the requested content arrives at the routing node, the latest popularity is calculated by combining the number of requests in current cycle and the popularity of the previous cycle, and the caching threshold is dynamically adjusted according to the occupancy of caching space, only content with popularity exceeding the current threshold is cached, thereby retaining the content with the highest probability of being requested in future time periods. This cache placement policy is also implemented using Programming Protocol-independent Packet Processors (P4) deployed on programmable data plane. Experimental results show that the proposed algorithm can effectively improve the cache hit ratio and reduce the average routing hops compared with the traditional caching policy.

Citation Download Citation

Yuli Zha, Pengshuai Cui, Yuxiang Hu, and Julong Lan "A dynamic cache placement policy for NDN based on programmable data plane", Proc. SPIE 12451, 5th International Conference on Computer Information Science and Application Technology (CISAT 2022), 124512P (20 October 2022); https://doi.org/10.1117/12.2656603

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