This paper addresses the Internet of Things protocols and connectivity. In 2008 the number of things connected to the Internet was greater than the people living on Earth. Within 2025 the number of things connected to the Internet will be about 50 billion. The internet has initially started with the Internet of Computers and file trasfer protocol , and now its world wide web (WWW) and hence user communicate each other and exchaneg information. Now the internet not only used to commicate and

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... ngae the infromation by human but things can used intenet for commicate and exchngae and this term called internet fo things (IoT). In this paper we will present different IoT protocola and it's connectivity.