Kudos to the organizers who do a great job of keeping this long running event fresh and relevant, even as they continue adding acronyms to its name. I had the distinct pleasure this year of presenting an opportunity for SPs to offer cyber security as a managed service to business customers, by exploiting network function virtualization.
So far in this series on Software Defined Networks (SDNs), I’ve discussed a basic taxonomy that can be used to classify SDNs, some of the challenges with actually building a control plane, and examined several SDN and SDN-like solutions through the lens of the southbound interface. In order to help you understand the problem space better, this post will consider the CAP theorem in relation to the concept of an SDN.
This is the eighth and last blog in a series of blogs on the topic of the evolving enterprise WAN that is based on a survey that was completed in May 2016 by 110 network professionals. The previous blogs were:
In consumer marketing we are familiar with the concept of giving a way one product (or selling it at a heavily discounted price) in order to build a market for even larger sales of another product. Giving away the razor to sell the blades is the classic example, and a more modern one is giving away the printer to sell the ink cartridges.
The first two attendees that I spoke with last week at NGON Africa in Cape Town expressed often held views that leading edge technology does not apply to Africa. The first was a young technologist who came by as we were unpacking equipment for display at the ECI booth. He asked about the hardware and I explained the 100Gbps transponder that we had installed in a 3RU Apollo™ shelf. His reaction was, “I can’t imagine we need anything that fast in Africa.” The second was a critical infrastructure operator who explained that he was not convinced yet that Africa was ready for the move from copper to fiber.
This is the sixth in a series of blogs on the topic of the evolving enterprise WAN that is based on a survey that was completed in May 2016 by 110 network professionals. The previous blogs were:
Through this (probably far too long) series on SDNs, we have looked at BGP, Fibbing, and Openflow. BGP and Fibbing would be described as augmented control planes; the distributed control plane is not replaced, but rather augmented with a controller that modifies the best path decisions of the control plane by interacting with the control itself in a somewhat “native” way.
This is the fifth in a series of blogs on the topic of the evolving enterprise WAN that is based on a survey that was completed in May 2016 by 110 network professionals. The previous blogs were:
In 2012, an executive who worked for one of the largest European service providers shared his dream with the attendees of Layer123’s first software-defined networking (SDN) & OpenFlow World Congress in Darmstadt, Germany. According to him, the reason for all the misery in carrier-land were not permanent price battles, flat-rates, and cut-throat competition; it was us, the vendors.