Unified Process (UP), by definition, is caused by the software engineering process combines the expertise to develop the software (Software engineer) has been defined and used to develop software that works well together. By choice, but good techniques and procedures that effectively the same and each of such experts together (Unify) and given a new name. "The process of software development as one (Unified Process)" Sometimes we find a similar processes in the field of engineering software such as Rational Unified Process (RUP), which is the largest company in the development of software named ". Rational Rose Corporation "and is copyrighted by. Principles or concepts are similar, but they differ on the details of the process over. For the concept of a common or similar, including the development of UP Loopback (Iterative Development), to deal with the requirements (Requirement Management) and the use of software tools to drive software engineering (CASE. Tools) etc.