Efficiency Network Analyser (E.N.A.) calculates, through a graphical user interface, the performances of the main multiple access protocols in the comunication networks in different load conditions.
The used protocols are: FDMA & TDMA; Aloha & Slotted Aloha; CSMA & CSMA/CD; Multiple Token, Single Toke & singole Packet.
The GUI of ENA includes the check of the error revelation protocol ARQ: Stop & Wait, Continuous ARQ (Go-back,n & Selective Repeat).