100G QSFP28 will be applied to the cloud data center; 100G CFP4 support the next generation access network and metropolitan area network. 40G module has been more mature in the market, in order to meet the needs of higher broadband, optical media research and development through Lee, pay close attention to R & D test out 100G. And predicted in 2016 100G module market demand will have a blowout increase.