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CAP and SDN

The Latest in the SDN Series So far in this series on Software Defined Networks (SDNs), I’ve discussed a basic taxonomy ...

SDN Pricing - Priming the SDN Pump

Why SDN Requires a Different Business Model In consumer marketing we are familiar with the concept of giving a way one p...

Path Computation Element

Part of the SDN Series by Russ White The original Path Computation Element Protocol (PCEP) work dates from the early 200...

Network Slicing: The Long-Awaited SDN Killer App?

What is Network Slicing? Network slicing is the ability to carve out and dedicate different sets of resources, end-to-en...

Virtual Pricing for Virtual Networks

Does Network Slicing Suggest Slicing Prices as Well? As the ‘softwarization’ of the networking industry progresses, it b...

Take-Aways from NGON Africa: Breaking Expectations

Africa is Ready for Advanced Optical Technologies The first two attendees that I spoke with last week at NGON Africa in ...

Interface to the Routing System: Architecture

An SDN Blog by Russ White The last post on the topic of interface to the routing system (I2RS) discussed use cases; this...

Interface to the Routing System: In the Background

An SDN Blog by Russ White Through this (probably far too long) series on SDNs, we have looked at BGP, Fibbing, and Openf...

What Went Wrong On Our (Too) Long Journey to SDN?

In 2012, an executive who worked for one of the largest European service providers shared his dream with the attendees o...

Looking at Openflow

An SDN Blog by Russ White Openflow is the “father of software defined networks” in the minds of many engineers. To under...

Do You Need an SDN Controller When You Already Have an NMS?

SDN Controller vs. NMS: Same, same but different? The SDN Controller concept was originally developed as the intelligent...

Fibbing and SDN

Another SDN Blog by Russ White The last post on the topic of SDNs discussed BGP as a southbound interface to control pol...

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