SDN

The Cisco IT network services team views network programmability—the broader category that includes SDN, or Software-Defined Networking—as one of our top priorities. To clarify terms, SDN is a network architecture that decouples the control plane (that is, the building of a routing table) from the d…

Cisco celebrated OpenStack’s 3rd birthday recently by releasing the Cisco OpenStack Installer for Grizzly. This blog post has more details. The OpenStack foundation organizes a four-day OpenStack Summit every six months for contributors, enterprise users, service providers, application developers an…

Today marks an important milestone for one of our most strategic data center products and the foundation of virtual networking portfolio. Five years ago, the Nexus 1000V virtual switch was the pioneer in the virtual networking market with its launch at VMworld in 2008. Since then it has been adopted…

“I confess that in 1901, I said to my brother Orville that man would not fly for fifty years . . . Ever since, I have distrusted myself and avoided all predictions.” — Wilbur Wright, 1908 In SDN in the Enterprise: aligning with business needs I highlighted one of what some people a…

Now that OpenDaylight has arrived, it’s time to explain why I made the Open Source choices eventually embraced by its Founders and the community at large.  One doesn’t often see such leaders as Cisco, IBM, Intel, HP, Juniper, RedHat, VMWare, NEC, Microsoft and others agree, share and collaborate on…

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 l…

There is always a well-known solution to every human problem–neat, plausible, and wrong. – H.L. Mencken As a long-time practitioner of the art of beating computers and communications systems into submission, I am as enamored with the latest gee-wiz technology trends and tools as the next…

With all of the focus on Software Defined Networking, open networking, API’s, you name it, I do often wonder how, with all of this ‘openness’, does an Enterprise keep their network secure? After years of security teams working  tirelessly to protect their business critical infrastructure does this p…

In our last blog on “Advanced Flow Control” we used the metaphor of a three-dimensional collection of intersecting highways of many different kinds with a wide array of vehicles carrying various types of passengers to represent the Internet of Everything­ (IoE).  The IoE concept has come a long way…