SDN controller

April 9, 2015

DATA CENTER

Cisco APIC Makes Best of Interop 2015 Finalist

With Interop less than three weeks away, we are excited to learn that Cisco APIC, the SDN controller for...

February 21, 2014

DATA CENTER

Three light beams that emanated from OpenDaylight Summit

Earlier this month, I attended the first ever summit on OpenDaylight (ODL) project in Santa Clara, CA. This near sold out event was largely successful by many standards. It brought together a large number of great minds to the table to solve some of the toughest challenges the networking industry is facing around Software-defined Networking […]

December 11, 2013

DATA CENTER

SDN Reflections on the London Gartner Data Center Conference – Part 2

Last week I started my SDN reflections on the London Gartner Data Center Conference, and I found I had quite a lot to discuss. Last week I covered: Do we need SDN? SDN and the Gartner Hype Cycle SDN Deployment Models So here is the concluding part. This week I’ll cover: Overlay-Based SDN — and the […]

September 26, 2013

DATA CENTER

SDN: Cisco Domain Ten tells us it’s not (just) about the Network

In my first SDN blog, I asserted that "Services" - that is technical support, professional and consultancy services - are the missing "S" in the SDN debate.  I'd...

August 26, 2013

NETWORKING

ONE + ONE = 6: New Math for Enterprise Programmability

In my previous 3-part blog series I discussed the challenges in the Enterprise WAN and relevancy of SDN in overcoming these challenges and how Cisco ONE Enterprise Networks Architecture addresses these WAN challenges. In this blog post I will discuss how Cisco ONE (Open Network Environment) and ONE Enterprise Networks Architecture fit together. In a […]

What is a “Controller”? And how many do we need?

Thanks to SDN, the “Controller” word pops up in many network architecture discussions these days. In networking alone, we’re already surrounded by many “controllers” and we’re busy introducing more as we speak:  For example, Session Border Controllers or Wireless LAN Controllers have been around for quite some time, and have recently announced the OpenDaylight Controller, […]

June 20, 2013

NETWORKING

Let’s Clear Up Some Misconceptions – Is SDN Relevant to the Enterprise WAN?

June is summer weather in the San Francisco Bay Area, but quite different from the June I was used to in Boston. A common misconception around Mark Twain and his relationship with San Francisco summer is that he never said “The coldest winter I ever spent was a summer in San Francisco.” But he did […]

April 11, 2013

OPEN AT CISCO

Meet Me On The Equinox

Congratulations to all OpenDaylight founding partners, contributors, users and supporters. I am convinced this ambitious endeavor will redefine the meaning of “open source = collaboration”. This is a historic event, the coming of age of networking partners driving in the open source world, companies which until now, have been primarily preoccupied with driving open standards, though […]

OpenDaylight: Understanding the Value Propositions

The announcement today of OpenDaylight is big news.  Industry leading companies are partnering via Open Source to serve an emerging set of market needs: Operators: want affordable real-time orchestration and operation of integrated virtual compute, application, and network. Application Developers: want a single simple interface to the network.  Underlying details such as “router”, or “switch”, or “topology” can be a distraction they desire […]