A Query-based Routing Table Update Mechanism for Content-Centric Network
Pei-Hsuan Tsai, Yu-Lin Tseng, Jun-Bin Zhang, Meng-Hsun Tsai

TL;DR
This paper introduces a query-based routing table update mechanism in Content-Centric Networking to improve routing accuracy, reduce congestion, and enhance response times by exploring cached content in real-time.
Contribution
It proposes a novel interest packet modification that enables real-time cache exploration and routing table updates, improving network performance.
Findings
Reduced response time for content retrieval
Lower network congestion levels
Compatible with existing forwarding strategies
Abstract
Due to the popularity of network applications, such as multimedia, online shopping, Internet of Things (IoT), and 5G, the contents cached in the routers are frequently replaced in Content-Centric Networking (CCN). Generally, cache miss causes numerous propagated packets to get the required content that deteriorates network congestion and delay the response time of consumers. Many caching strategies and routing policies were proposed to solve the problem. This paper presents an alternative solution by designing a query-based routing table update mechanism to increase the accuracy of routing tables. By adding an additional query content in interest packets, our approach real-time explores the cached content in routers and updated the routing table accordingly. This paper uses a general network simulator, ndnSIM, to compare basic CCN and our approach. The results show that our approach…
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