The No. 1 network equipment maker sees Internet protocol traffic soaring in the next 4 years at a compound annual growth rate of 29%, on strong demand for online video and the spread of smartphones and tablets. Cisco Systems (CSCO - News) estimated that by '16 annual global IP traffic will hit 1.3 zettabytes — equivalent to 38 mil DVD movies an hour. This compares with 1.2 zettabytes total posted to the Internet from '84 to now, Cisco said. Video will make up 54% of consumer Internet traffic in '16. Cisco fell 1.2% to 16.39.