Unified Process (UP) by definition is a software engineering process resulting from the combined what experts in software development. (Software Engineer) was defined, and then works in software development it together.(Unify) and given a new name. "A unified software development process (Unified Process)." we find that the processes are similar? This in the field of software engineering. Such as Rational Unified Process (RUP)."Rational Rose Corporation" and is copyrighted. The principles or concepts are similar but are different at the details of the process. For the concept that looks together or either of UP including cyclic (Iterative Development),To handle the requirements (Requirement Management) and the use of tools to help engineering short drive hardware (CASE Tools) etc.