Introduction to Docker

Everywhere you go these days you hear about containers, and Docker, and Kubernetes, and microservices, and so on and so on. In this article I’m going to attempt to do a little introduction to Docker, which is a company that introduced some containerized services as well as services that go along with containers. I plan…

Cisco ACI – Creating Contracts

Part of the beauty of Cisco Application Centric Infrastructure is the idea of contracts. In ACI we talk a lot about the idea of the policy driven network. Those policies are what we call contracts. Contracts aren’t totally unlike ACLs, but there are some big differences. First, ACLs usually go between IP addresses or subnets,…

Adding Phsical Servers to Cisco ACI Fabric

This article describes how we connect physical, or bare metal, servers to the ACI Fabric. A while ago I wrote an article about adding VMware integration to your ACI fabric. This is of course a very important step, as about 70% of people’s workloads are virtual. However, that number has been pretty static over the…