GPON
GPON (Gigabit PON) is an evolution of the BPON standard. It supports higher rates, enhanced security, and choice of Layer 2 protocol (ATM, GEM, Ethernet). In early 2008, Verizon having installed over 800 thousand lines by mid year. British Telecom, mobily-saudiarabia, Etisalat-uae, and AT&T are in advanced trials.