Advanced International Journal for Research

E-ISSN: 3048-7641   •   Impact Factor: 9.11

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Call for Paper Volume 7, Issue 3 (May-June 2026) Submit your research before last 3 days of June to publish your research paper in the issue of May-June.
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Volume 7 Issue 3
May-June 2026

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ndnSIM-Based Performance Analysis of Interest packets’ Expiry and RTT-Oriented Caching Strategies in NDN

Author(s) Sushil Kumar Bagi, Prof. (Dr.) Neeraj Kumar
Country India
Abstract Efficient caching in Named Data Networking (NDN) is crucial for increasing content retrieval performance and reducing network latency. Traditional caching strategies rely on heuristic-based content popularity estimation, which lacks adaptability to dynamic network conditions. In this paper, we proposed cache replacement strategy that is based on expiry time of interest packet from Pending Interest Table in short PIT-EXP and selective cache based on retrieval time i.e. RTT-Cache. Our methods achieved real-time network interactions to dynamically adjust caching policies without requiring prior knowledge of content distribution. Experimental results demonstrate that how integration of selective cache in PIT information named as RTT-Cache &PIT-Exp, cache replacement technique significantly improves cache hit ratio and reduces latency compared to without using selective cache i.e. PIT-Exp cache replacement strategy in real data traffic, under limited cache space, simulated by
ndnSIM simulator. This research paper discussed on how combination of PIT and Forwarding information based caching are useful to enhance the cache hit ratio and reduce the latency under limited cache size, that is useful to take decision during replacement of data item from memory.
Keywords Selective Caching, Cache Replacement, PIT, RTT, Named Data Networking, ndnSIM
Published In Volume 7, Issue 3, May-June 2026
Published On 2026-05-22
DOI https://doi.org/10.63363/aijfr.2026.v07i03.5701
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E-ISSN 3048-7641
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