UDP is included in TCP/IP no matter how much more you want to cry about it. Not only are you boys ignorant but then you always try to lie to cover it all up.
UDP is included in the suite of protocols sometimes referred to as the TCP/IP protocol suite. It is not part of any one "TCP/IP protocol." If you say you're going communicate via TCP/IP, that means you're using TCP, not UDP. If you say you're going to use the protocol suite, I understand you may be talking about UDP, RTP, etc. (sorry, there's another one for you to look up).