Tag Archives: SDN

“A glimpse into the future” … a networking story …

Since I fancy myself somewhat of a science fiction writer, I decided to write about what could happen in the near future. The diagram (above)¬†shows the proposed architecture for¬†network Management and Orchestration (MANO). Note that although SDN is not specifically … Continue reading

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Nakina Launches a new web site

Hey Readers, Nakina Systems launched a new web site today and it is just the tip of the proverbial ice berg. You can check it out at: http://www.nakinasystems.com The Internet infrastructure is in transition and Nakina has been tracking those … Continue reading

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The importance of state full VNF’s

What’s a VNF you ask? A VNF is a Virtualized Network Function and these things will be a key building block as networks adopt cloud technology. Many hardware vendors (Routers, Policers, Firewalls, etc) are extracting the software from their devices … Continue reading

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The on going network evolution

I’ve been doing a lot of reading lately about NFV and SDN and it seems that all of the players are either in denial, trying to stall competitors or announcing products that are not quite ready for prime time. While … Continue reading

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What is MANO

The winds of change are blowing through the Internet in response to the introduction of SDN and NFV. Software Defined Networking (SDN) promises to upgrade the core with an order of magnitude change in throughput and programmability. Network Function Virtualization … Continue reading

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What is TOSCA?

TOSCA was brought up in an online discussion recently, so I had to go away and figure out what it is all about. TOSCA stands for Topology and Orchestration Specification for Cloud Applications. I managed to extract the following from … Continue reading

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The next best thing to open source

We have all benefited from the availability of open source and many of us have contributed to that software pool. Commercial software development exists because it is a simple business model that keeps people employed, or because a specific software … Continue reading

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The evolution of SDN

My post today is largely extracted from a talk that Scott Shenker (A professor at Berkley) gave at Stanford last year. I’m going to paraphrase what I got from the talk. Many people have asked me to describe SDN and … Continue reading

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What is a VIM?

In the new world that is the Internet Of Things (IOT), the sky is not clear, but filled with clouds (metaphorically speaking). My current focus has me doing research into OpenStack, Network Function Virtualization (NFV) and Software Defined Networking (SDN). … Continue reading

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A Network Hypervisor

I recently watched a video of a lecture given at Stanford University by a prof from Berkeley (Go Figure). The lecture was about the definition of Software Defined Networking (SDN) and how the original team had succeeded in some areas … Continue reading

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