TCP/IP is not a specific program, but a specification. It has been implemented in different operating systems, like Windows, Linux, Cisco IOS, and others.
Primarily it is being changed because the version 4 address space is now out of addresses for clients and needs a much larger address space for demand (version 6)
TCP/IP: Transmission Control Protocol(TCP) and Internet Protocol (IP) .TCP -> As the name suggests it transfers the data from one system to the other IP -> It takes the data in Packets form and...