Content Centric Networks (CCN): A Survey

In recent years, there is tremendous growth in the internet applications and communication in the field of Information Technology. They are continuously producing large size, variety of data called big data. By year 2020, several billion smart devices will be connected to Internet. With the speedy growth of the social network, information overload has become a significant problem. Service providers send a lot of additional contents and advertisements to consumers on daily basis. Because of this, consumers' concern and likelihood of reading them have decreased significantly. Thus, the network load is wasted. Precise content recommendation is needed to handle this problem. The main concern here is to provide accurate user information and handling the big data nature of users and content. This tremendous growth in devices is a challenge to the current internet architecture where connectivity is based on host-to-host communication. Content-centric networking (CCN) has come forward as novel network architecture to meet today's need for content access and delivery. CCN uses data names instead of host names and has in-network caching. CCN helps to find real time interest of consumer. In this paper, content centric network, its working, and various catching strategies are discussed in detail.