1. According to the2013-2018 Cisco Visual Networking Indexforecast, global Wi-Fi and mobile wireless traffic has dramatically expanded over the last few years, is on track to exceed hardwired traffic by early 2015, and will account for 61 percent of total internet protocol (IP) traffic by 2018.http://www.cisco.com/c/en/us/solutions/collateral/service-provider/ip-ngn-ip-next-generation-network/white_paper_c11-481360.html(accessed Aug. 28,2014).