Abstract
Recent interest in applications where content is of primary interest has triggered the exploration of a variety of protocols and algorithms. For such networks that are information-centric, architectures such as the Content-Centric Networking have been proven to result in good network performance. However, such architectures are still evolving to cater for application-specific requirements. This paper proposes T-Move, a light-weight solution for producer mobility and caching at the edge that is especially suitable for content-centric networks with mobile content producers. T-Move introduces a novel concept called trendiness of data for Content-Centric Networking (CCN)/Named Data Networking (NDN)-based networks. It enhances network performance and quality of service (QoS) using two strategies—cache replacement and proactive content-pushing for handling producer mobility—both based on trendiness. It uses simple operations and smaller control message overhead and is suitable for networks where the response needs to be quick. Simulation results using ndnSIM show reduced traffic, content retrieval time, and increased cache hit ratio with T-Move, when compared to MAP-Me and plain NDN for networks of different sizes and mobility rates.
Highlights
Recent advances in microelectronic and mechanical devices and wireless communication have given rise to large networks of mobile nodes for various purposes
This paper proposes T-Move, based on Content-Centric Networking (CCN [2,3]) and Named Data Networking (NDN [4])
Since information-centric networking (ICN) uses in-network caching, we propose a caching decision policy to store the content of a mobile producer in the cache of a nearby favored router with minimal Forwarding Information Base (FIB) updates to route interests to this router
Summary
Recent advances in microelectronic and mechanical devices and wireless communication have given rise to large networks of mobile nodes for various purposes. Service and device discovery and routing of data is a major challenge in applications with mobile nodes such as vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) networks. This paper proposes T-Move, based on Content-Centric Networking (CCN [2,3]) and Named Data Networking (NDN [4]). CCN is a popular ICN architecture which makes use of in-network caching. We propose T-Move, which is a producer mobility solution for content-centric applications with edge caching. T-Move contains two separate strategies—one for cache replacement and another for (producer) mobility management Both these strategies are simple and especially suitable for applications that require low response times. The rest of the paper is organized as follows: Section 2 explains the caching and mobility management policies in CCN, which is a popular ICN architecture.
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