: As a high growth of Internet of Everything (IoE) internet connection has been increased a lot which leads to low bandwidth ,less security low privacy in cloud computing model to over come this edge computing technologies have emerged . Edge computing is an emerging paradigm which refers to a range of networks and devices near the user . Edge means processing the data closer to the end user where it’s being generated, so the processing with greater speed and volumes ,which can leads to greater action results in real time. This article is going to summarizes the concept of edge computing ,architecture of edge computing and compares it with cloud computing and role of edge computing in IoT.