virtual network overlay
Open Networking with Cisco ACI and Open NX-OS
Over the last couple of years, Data Centers have become a key focus on networking innovations, particularly around the broad area of Software Defined Networking (SDN). At Cisco, for nearly one year,...
SDN 101: What It Is, Why It Matters, and How to Do It
Despite all the buzz about software-defined networking (SDN), many organizations don’t yet have a clear idea of how it will benefit them. In this blog, I’ll tackle the what and why of SDN, and explain the different approaches you can consider. What: A Disruptive Approach to Network Control For the last quarter century, network devices […]
ESG Webinar on Virtual Networking and Physical-Virtual Consistency
Last quarter I had the chance to record a video webinar with Bob Laliberte, Senior Analyst at the Enterprise Strategy Group (ESG), where we talked about the basics of virtual networking, as well as why organizations need consistency across their physical and virtual network infrastructures. Bob presents some great research data on virtual network overlays, […]