Alan S Cohen is a technology executive who has held positions at US WEST, IBM and Cisco.  His last two startups Airespace and Nicira were acquired, respectively, by Cisco and VMware. During a two-decade career in tech, Alan brought to market a range of disruptive enterprise technologies,including Internet Commerce, Wi-Fi, VOIP, and Network Virtualization. He serves as an advisor and board member to several technology companies. Guest author Alan S Cohen is a serial enterprise technology veteran, and most recently a Vice President at Nicira, which was acquired by VMware for $1.26 Billion.Years ago I was delivering a keynote at a conference when