Blog for Technologists

Learn the basics of Container Networking and why they might be crucial to you; introducing virtual machines (VMs), Docker and Kubernetes.

Networking professionals need to become aware of networking within the cloud.

“WAN” and “Agile” are two words that usually are not found in the same sentence. Provisioning circuits takes quite a bit of time. Recently, I’ve been intrigued by Equinix Cloud [...]

This posting is a small update to the Cisco ACI section in my previous blog titled About Network Design Principles. How can one achieve consistency of ACI configuration? Why is [...]

In the modern enterprise, configuration audits are central to managing an efficient and up-to-date network.

Are firewalls necessary, and what are the alternatives?

Learn more about capacity planning with QoS and sizing for network traffic replication at speed on two different real-world WAN network designs.

This blog is a “fun BGP story” — let’s call it a Case Study #1, a recent design situation involving local-as (Case Study #2), plus some lessons learned. One theme [...]

Cloud technologies are changing the world. Sometimes faster than businesses can keep up, both as consumers of managed or SaaS application, but also on the vendor side. This blog is [...]

This blog is about AWS, specifically multiple VPCs and routing, and some recent developments. My intent is to give you the flavor of some AWS design approaches, and then point [...]

Aruba Wireless Controllers are fairly simple to configure and seem to provide great flexibility in deploying Wireless solutions for your needs.

Lessons learned and a case study on application slowness (brownout) troubleshooting for network management.