I am a BE student and till now I am learning programming language. But in further second semesters I will have computer networks. I have heard that my college teachers does not teach well. So I want to know a bit about the networks, so I will start with the TCP/ IP first. I know a bit about it. It is a upper level protocol and is a bit safe than IP protocol can any one explain in brief something about these protocols.Waiting for your replies.