Software Defined Network

I was reviewing some SD-Access documentation I’d written and came across a diagram I found useful in discussing security and where it is enforced. There’s only one aspect of it [...]

This blog is the first in what may become an occasional blog series. I thought it might be fun (and good marketing, of course) to share some of the many [...]

I recently posted a blog about prior blogs I’d written bearing on SD-Access/DNA Center design and some implementation details. Cisco has documented implementations well. However, what they have seems much [...]

NetCraftsmen has recently had an upsurge of SD-Access design and deployment work. I’ve found myself spelunking through my old blogs (and internal/customer-facing documents) in support of that. To my relief, [...]

The title of this blog article may well be nothing new in your life. Or it may be something you and your company have discovered the hard way, evolving the [...]

This blog is an update on what the recent startup Graphiant brings to WAN networking. See also the launch blog from NFD29. From what I hear, Graphiant is growing by [...]

Firewalls are a necessary part of any enterprise security plan.  Auditors frequently deliver findings and recommendations with regards to perimeter security, and this often seems to involve expensive investments and [...]

I’m shocked. There is a reasonably good topic I failed to blog about! It’s not like I didn’t write about it. I’ve expounded on this topic in several design writeups [...]

The vulnerability found in the Log4j logging system should be old news for you at this point. However, what your company does about it is still worthy of your attention. [...]

A question that is often posed to CIOs is: “What is our technology strategy?” Usually, this question is tied to a specified technology area, such as, “What is our Cloud [...]

In Managing Security in the Age of Zero Trust, NetCraftsmen introduces Zero Trust as a data-centric approach to security.  This involves identifying the data assets and adjusting or creating an [...]

In Managing Security in the Age of Zero Trust, NetCraftsmen introduces Zero Trust as a data-centric approach to security.  This involves identifying the data assets and adjusting or creating an [...]