Changes in network usage and technology are creating opportunities and threats for network infrastructure vendors, including carrier routing and switching and optical transport systems vendors. Worldwide enthusiasm for smartphones and tablets coupled with cloud service offerings and video streaming are driving network traffic growth and changing traffic patterns. Software Definable Networking (SDN), Network Function Virtualization (NFV), 100 Gbps+, Packet Optical Transport-Systems (P-OTS) and small cell technology offer the potential to change network cost structures and improve network flexibility and resiliency. Service providers, in response to these trends, are rethinking their network architectures and business models. Read more.