The rapid advancement and ubiquitous penetration of mobile network, web based information creation and sharing, and software defined networking technology have been enabling sensing, predicting and controlling of physical world with information technology. Every business process can be empowered, and therefore, various industries redesign their business models and processes along Internet of Things (IoT) paradigm. To maximize the social and economic benefit of the technology, issues of interoperability, mashing up data, developing open platforms and standardization across technology layers have to be addressed.