Context
day, since research of IoT is still embryonic there exist no common IoT architecture. Nowadays the Electronic Product Code (EPC) network architecture supported by EPCglobal [1] together with the Unique/Universal/Ubiquitous IDentifier (UID) architecture in Japan [ 16] are the most representative among others. The main idea underlying EPCglobal network is to use RFID and wireless technologies to wrap every day’s live objects and connect them to the traditional Internet, while, UID provides middleware based solutions for a global visibility of objects. Several challenges stand between the conceptual idea of IoT and its full deployement into our daily life. Main issues are : making complete interoperability of heteregenous interconnected devices which require adaptation and autonoumous behaviour while guaranteeing trust, privacy, and security; networking aspect is not in rest, low computation and energy capacities that characterized the things of the IoT bring ressource effeciency as a fundamental element in the proposed solutions. Around the globe, several industrial, standardization and research bodies are currently involved in the devloppement of solutions in order to bring answers to the highlighted technological requirements. In this survey, we aim to provide to the reader an overview of the IoT concept, the different enabling technologies, research challenges and the implications of a wide spread diffusion of IoT. The remainder of this paper is organized as follows: in Section 2, definitions of IoT from various perspectives are introduced. Section 3 introduces the main IoT enabling technologies. The applications of IoT already available are summarized in Section 4. Section 5 states the research challenges. Finally Section 6 gives the conclusion. In Internet of things (IoT), huge number of small devices will be connected to the Internet in some way. IoT’s definition is usually studied through various perspectives. According to [10], the IoT paradigm shall be the result of the convergence of three main visions: internet-oriented (middleware), things oriented (sensors) and semantic-oriented (knowledge) as shown in Figure 1. Perspective of Things: This perspective focuses on how to integrate generic ”ob- jects” or ”Things” into a common framework, and the ”Things” under investigation are RFID tags. RFID is considered as a one of the leading technologies [12], mainly due to its maturity and low cost, and conse- quently its strong support from the business community. Nevertheless, IoT is more than a global EPC system where the only objects are RFID tags. Besides that,United Nations (UN) has also stated that the perspective of ”Things” of IoT goes beyond RFID. It is stated in a UN report that a new era of ubiquity is coming where the users of the Internet will be counted in billions, and where humans may become the minority as generators and receivers of traffic. Changes brought about by Internet will be dwarfed by those prompted by the networking of everyday objects.
บริบทday, since research of IoT is still embryonic there exist no common IoT architecture. Nowadays the Electronic Product Code (EPC) network architecture supported by EPCglobal [1] together with the Unique/Universal/Ubiquitous IDentifier (UID) architecture in Japan [ 16] are the most representative among others. The main idea underlying EPCglobal network is to use RFID and wireless technologies to wrap every day’s live objects and connect them to the traditional Internet, while, UID provides middleware based solutions for a global visibility of objects. Several challenges stand between the conceptual idea of IoT and its full deployement into our daily life. Main issues are : making complete interoperability of heteregenous interconnected devices which require adaptation and autonoumous behaviour while guaranteeing trust, privacy, and security; networking aspect is not in rest, low computation and energy capacities that characterized the things of the IoT bring ressource effeciency as a fundamental element in the proposed solutions. Around the globe, several industrial, standardization and research bodies are currently involved in the devloppement of solutions in order to bring answers to the highlighted technological requirements. In this survey, we aim to provide to the reader an overview of the IoT concept, the different enabling technologies, research challenges and the implications of a wide spread diffusion of IoT. The remainder of this paper is organized as follows: in Section 2, definitions of IoT from various perspectives are introduced. Section 3 introduces the main IoT enabling technologies. The applications of IoT already available are summarized in Section 4. Section 5 states the research challenges. Finally Section 6 gives the conclusion. In Internet of things (IoT), huge number of small devices will be connected to the Internet in some way. IoT’s definition is usually studied through various perspectives. According to [10], the IoT paradigm shall be the result of the convergence of three main visions: internet-oriented (middleware), things oriented (sensors) and semantic-oriented (knowledge) as shown in Figure 1. Perspective of Things: This perspective focuses on how to integrate generic ”ob- jects” or ”Things” into a common framework, and the ”Things” under investigation are RFID tags. RFID is considered as a one of the leading technologies [12], mainly due to its maturity and low cost, and conse- quently its strong support from the business community. Nevertheless, IoT is more than a global EPC system where the only objects are RFID tags. Besides that,United Nations (UN) has also stated that the perspective of ”Things” of IoT goes beyond RFID. It is stated in a UN report that a new era of ubiquity is coming where the users of the Internet will be counted in billions, and where humans may become the minority as generators and receivers of traffic. Changes brought about by Internet will be dwarfed by those prompted by the networking of everyday objects.
การแปล กรุณารอสักครู่..
