onePK
My App anywhere: On devices, on controller, on both!
Current differences in app development on devices and controllers disappear. Devices and controllers will share a common programming environment – offering a unified development and deployment experience. While SDN is moving from concept to reality, we notice that many deployments which focus on cre…
Use SDN Strategically – and NOT as a “Band Aid”
The other week I attended the “Software Defined Networking 2013” conference in London. This is a UK-based event for the discussion of SDN, OpenFlow and Network Virtualisation Solutions from a strategic perspective. There were quite a few interesting perspective s I picked up at this conference. I…
Hitchhiker’s Guide to onePK
Cisco Live Milan is around the corner and I’m getting my session, The Hitchhiker’s Guide to onePK, ready for it’s European debut. While it’s lovely to be in the CiscoLive Distinguished Speaker Hall of Fame, putting a good presentation together hasn’t gotten any easier. The hard questions still nee…
Follow-up Q&A on ACI Methodology and the Pursuit of an Application-Aware Architecture
We’ve been getting a lot of great questions about ACI since our launch as people try and better understand the value of an application-oriented approach. I got the following questions on my blog post about the Application Virtual Switch that probed on some of the thinking behind an application…
MegaTrends: Network Programming and Cisco ONE in Enterprise Networks
How do we evolve the IT architecture to enable an ever-increasing set of services while multiple MegaTrends are rapidly transforming the environment? How do you deliver the best possible experience to your users and applications while maintaining agility and keeping cost under control? Today, in my…
Cisco’s onePK Part 2: Reaching out to a Network Element
Exordium In the previous installment of the onePK series, you received a crash course on Cisco’s onePK. In this article, you’ll take the next step with a fun little exposé on onePK’s C API. You will learn how to write a simple program to reach out and connect to a network element.…
Why I Chose the Open Source Model I did for OpenDaylight
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…
Securing the Open Network Environment
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…
Programmability and SDN are not the same
Network programmability means democracy, means freedom, freedom to program across all layers and entities, software or hardware – depending on your needs. Is SDN required to have network programmability? Not at all. Does the SDN architecture leverage network programmability? Yes, of course. So, why…