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SDN Stories

NFV Equipment and Software to Top $48B by 2023, Ovum Says

Published on: 2018-09-19

Network functions virtualization (NFV) is set to take off as more cloud-based architectures are hitting the market with the promise of delivering carrier-grade service quality. According to a recent forecast by Ovum, NFV equipment, software, and services will grow from an $11 billion business in ...

Nuage Networks SD-WAN 2.0 Brings Connectivity Beyond Branches

Published on: 2018-09-19

Nokia's Nuage Networks today launched the newest release of its virtualized network services (VNS) platform, which it named SD-WAN 2.0. The service extends connectivity beyond just branches to also connect private data centers, Software-as-a-Service (SaaS) providers, and public clouds.

Why Networks Are Evolving Toward Leaf-Spine Architectures

Published on: 2018-09-11

Whether you refer to it as a "three-tier" or "tree" architecture, traditional enterprise networks are based on a strict hierarchical model that includes a core, distribution, and access layer. However, advancements in connectivity options combined with advanced software-defined network (SDN) ...

How SD-WAN will make the cloud much, much bigger

Published on: 2018-07-23

Though I no longer actively participate in it as a pioneering player in the networking space I have always kept a watchful eye on the market and I am seeing yet another disruptive force known as SD-WAN (Software-Defined Wide-Area Networking) finally gaining momentum. For starters, SD-WAN is an ...

Want affordable SDN products? Check the secondary market

Published on: 2018-06-29

Frankly (no pun intended), I have to admit that I’m growing increasingly frustrated with certain trends in networking.For example, it’s not that I don’t like the dream or idea of software-defined networking (SDN) — it’s not that I don’t think it’s superior to the older way of setting up or ...

Defining the Edge: An Essential Part of 5G Transformation

Published on: 2018-09-17

Do you remember the early days of shopping online? I'm not talking about the crippling fear that you might send your credit card number into a digital abyss and you'd end up with zero product at your doorstep. I'm talking more about the fact that everyone seemed perfectly fine with shipments ...

PCAP Split and Merge

Published on: 2018-07-31

Sometimes it also happens during network troubleshooting engagements, but it is also common for analysis jobs regarding network forensics: dealing with huge number of packets, sometimes millions or more. Two typical situations may have you scratch your head: either you have one huge file ...

Time to Ditch the Definition of SDN

Published on: 2015-08-16

While at a stoplight looking at the random news feeds on Linkedin I ran across a post of a recent blog post by the ONF and the subsequent conversation where my friend Ivan Pepenlnjak commented. So I threw in my two cents and quickly regretted it because Linkedin has an amazing ability to ...

Redefining SDN

Published on: 2016-09-14

For quite some time I have been sort of irritated (for lack of better word) by hearing and discussing about buzz word in the market called SDN. Let's first review some of interesting facts:- Some people seems to be afraid of loosing there jobs thinking they will be irrelevant in near future, ...

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