An overview of oneM2M standard

Today connectivity is a key enabler behind the concepts such as machine-to-machine communications and internet of things. In a near future, from the simplest to the most complicated all the devices will be connected, therefore it is necessary to define an horizontal common service layer for the interoperability and to diminish the barriers between vertical markets. In this perspective an initiative consist of international standard bodies and companies define oneM2M. In this paper we talked about the ecosystem, functional architecture, application layer communications protocols, message flows and security of oneM2M in order to give an overview of the standard.