Performance Analysis of MAC Protocol for EPON Using OPNET

A MAC Protocol of EPON is based on TDMA, we classify this protocol into a fixed length slot assignment method suitable for leased line supporting Qos and a variable length slot assignment method suitable for LAN/MAN with the best effort. In this paper, for analyzing the performance of these protocols, we design an EPON model using OPNET. To establish the maximum efficiency of a network, we verify a MAC Protocol and determine the optimal number of ONUs that can be accepted by one OLT and propose the suitable buffer size of ONU based on the End-to-End Ethernet Delay, Queuing Delay, Throughput, and Utilization.