Evolvable architecture for cloud of things with mobility over multihop wireless mesh networks

Abstract

In the near future, it is envisioned that trillions of smart things with computing and communication capabilities will be connected to the Internet and new dimensional applications will appear based on smart things, bringing out the vision of the Internet of Things (IoT). Here, in realizing the IoT, indispensable prerequisites are the wide prevalence of smart things and applications with high perceived values. However, these are known to be nontrivial tasks. To address this, this thesis presents the Cloud of Things (CoT) which is an approach to building the IoT ecosystem by encouraging people to actively participate in producing or consuming smart things in the real world based on a pay-as-you-go model. As the cornerstone to enable the CoT, this thesis is comprised of two parts: from a software aspect, middleware and reflective service gateway architectures are proposed to facilitate development of multiple applications. From a network point of view, this thesis copes with issues of route discovery and mobility for smart things in low-rate wireless mesh networks allowing low-cost and rapid constructions of networks of smart things.

From the software aspect, the first part of this dissertation addresses a middleware to ease development of multiple applications over heterogeneous smart things with efficient sharing. In similar with cloud computing, a single smart thing instance in the CoT should be shared by multiple user applications. More importantly, all the applications should access smart things as if they simultaneously access them with their own configuration. However, the CoT is different from the cloud computing in that simultaneous accesses to some smart things should be restricted in some cases because controlling smart things influences not just usages of computing resources like memory, CPU, etc., but also physical situations. In this respect, this dissertation proposes a middleware for Evolvable Cloud Of things (ECO), which enables one applicati...