Ethan Banks, CCIE #20655, is a hands-on networking practitioner who has designed, built and maintained networks for higher education, state government, financial institutions, and technology corporations. In addition to blogging for Network Computing, Ethan has also been a host of the Packet Pushers Podcast since April 2010. The technical program covers practical network design, as well as cutting edge topics like virtualization, OpenFlow, software defined networking, and overlay protocols. The podcast has seen over one million unique downloads, and today reaches a global audience of over 10,000 listeners. He is the editor for the independent community of bloggers at PacketPushers.net and can be followed @ecbanks.