User demand and the introduction of the latest 100G optical modules and related physical layer (PHY) devices have positioned 100G for significant growth through 2016/17. The majority of systems in many sectors of the long-haul, metro and enterprise markets are already shipping with 100G ports. Fifth-generation CFP4 and QSFP28 optical modules in the data center and enterprise enable greater port density, lower power consumption and significantly lower cost of ownership for 100G connectivity. Second- and third-generation DSP solutions have dramatically reduced the power and footprint for 100G coherent and other long-distance solutions. The result is that we have now reached the tipping point where more companies are shipping 100G ports than not, as 100G has become more attractive than multiple 10G or single 40G ports for many applications.