Building network automation solutions

9 module online course

Start now!

Category: virtualization

Cisco ACI, VMware NSX and Programmability

One of my readers sent me a lengthy email describing his NSX-versus-ACI views. He started with [slightly reworded]:

What I want to do is to create customer templates to speed up deployment of application environments, as it takes too long at the moment to set up a new application environment.

That’s what we all want. How you get there is the interesting part.

read more see 4 comments

Multi-Host Container Networking

Running Linux containers on a single host is relatively easy. Building private multi-tenant networks across multiple hosts immediately creates the usual networking mess.

Fortunately the Socketplane team did a pretty good job; for more details watch the video from Docker Networking Fundamentals webinar or listen to the podcast I did with them a year ago.

add comment

Introduction to Docker: Featured Video of January 2017

The featured webinar in January 2017 is the Introduction to Docker webinar, and in the featured video Matt Oswalt explains the basic Docker tasks. Other videos in this webinar cover Docker images, volumes, networking, and Docker Compose and Swarm.

To view the featured video, log into my.ipspace.net, select the webinar from the first page, and watch the video marked with star.

read more add comment

Can VMware NSX and Cisco ACI Interoperate over VXLAN?

I got a long list of VXLAN-related questions from one of my subscribers. It started with an easy one:

Does Cisco ACI use VXLAN inside the fabric or is something else used instead of VXLAN?

ACI uses VXLAN but not in a way that would be (AFAIK) interoperable with any non-Cisco product. While they do use some proprietary tagging bits, the real challenge is the control plane.

read more see 5 comments

Fast Linux Packet Forwarding with Thomas Graf on Software Gone Wild

We did several podcasts describing how one could get stellar packet forwarding performance on x86 servers reimplementing the whole forwarding stack outside of kernel (Snabb Switch) or bypassing the Linux kernel and moving the packet processing into userspace (PF_Ring).

Now let’s see if it’s possible to improve the Linux kernel forwarding performance. Thomas Graf, one of the authors of Cilium claims it can be done and explained the intricate details in Episode 64 of Software Gone Wild.

read more see 6 comments
Sidebar