SCaN-Mob: An opportunistic caching strategy to support producer mobility in named data wireless networking

Abstract

In recent years, Information-Centric Networking (ICN) architectures have been proposed to deal with many of the existing constraints of the current IP-based host-centric Internet model. The Named Data Networking (NDN) is an example of ICN, which is designed to meet many of the mobility challenges of IP-based networks. However, despite its benefits in supporting mobility of consumers, such architectures still lack efficient solutions for mobile producers, in particular, to improve contents availability during a producer’s handoff. In this paper, we introduce the Shared Caching in Named Data Networking Mobile (SCaN-Mob) strategy. It minimizes the effects of the mobile producers’ unavailability in NDN by creating an interest forwarding strategy and a cache replacement policy for seamless handoff of producer nodes in wireless networks. We proposed two SCaN-Mob approaches to mobile producer support: SCaN-Mob Full that uses all edge caching capacity, and SCaN-Mob AP that uses only the access point’s caching capacity. Simulations results show that SCaN-Mob improves the interest satisfaction rate, while decreases the delivery delay when compared to naive NDN and increases cache hit ratio concerning the other compared solutions.

Francisco Renato Araújo

PhD Student

My research interests include computer networks, information centric networking, and Internet of things.

Mateus Sousa

PhD Student

My research interests include information centric networking, vehicular ad hoc networks, and blockchain.

Leobino Sampaio

Professor of Computer Science

My research interests include Information-Centric Networking (ICN), in particular, the NDN Architecture, applied to mobile scenarios, such as VANETs, FANETs, and IoT.