What are CCNs (Content‐centric networks)?

content-centric networking (CCN) is described by the fundamental exchange of content request messages and content return messages. It is considered data-centric networking (ICN) architecture device. The objectives of CCN are to give a safer, adaptable, and versatile network thereby addressing the Internet’s current needs for secure content conveyance on a massive scale to a diverse set of end devices. It gives adaptability by utilizing information names instead of hostnames (IP addresses).