Peter Welcher

Security is arguably the hottest topic in networking these days, especially for the industry verticals of hospital / medical and manufacturing. One major driver for this is IOT/OT: medical or [...]

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 [...]

I recently posted a blog about the prior blogs I’d written about SD-Access/DNA Center design and some implementation details. My intent there and in this blog is to update y’all [...]

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, [...]

TL;DR: I’m a technical omnivore, reading content across typical boundaries. The following is a tale of caution: developing apps for the Cloud is different than for in-data center. Let me [...]

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 [...]

I try to think outside the box at times. Perhaps a bad habit, waste of cycles. This is a quick note with some thoughts (crystal ball time). Possibly provocative or [...]

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 [...]

A recent blog was titled Doing IP Addressing Right. This blog does something similar for IP Routing. TL;DR: What are some goals for IP routing, common approaches, and how do [...]

Two of my daughters are twins, and they’re active online, so they are arguably digital twins. However, this blog will not be about them. TL;DR: Like other phrases that people [...]