: Remote real laboratories deal with performing real lab experiments remotely via Internet. Recent advances in Internet/web technologies and computer-controlled instrumentation allow net-based techniques to be used for setting up remote real laboratory access. The goal of our project VITELS1 (Virtual Internet Telecommunications Laboratory of Switzerland) is to develop a course that provides practical exercises in the area of telecommunications and computer networks to the students. The exercises shall be performed by students remotely and students do not need to be present in particular laboratory rooms. As regards communication between machines, several levels of complexity must be differentiated. The management and total handling become more complicated according to the kind of desired networks functionality and data exchange. This differentiation is often based on the following functions networks: File transfer (File transfer), Execution of programs on other machines (remote executi...