In my last post, I talked about some of the more physical aspects of my virtual home lab. We talked about the need for nested virtualization as well as what the physical and virtual network would look like. In this post, we’re going to look at building the VMs as well as getting the operating systems ready for the OpenStack install. As a quick reminder, let’s take a look at what the logical lab looks like…
The lab will consists of 3 VMs (to start with), a controller, and two compute nodes. Wile OpenStack can be installed on a variety of Linux operating systems, this series will be focusing on Ubuntu version 14.04. The first thing we need to do is create a base image. Without a base image, we’re going to be forced to install Ubuntu individually on each server which is not ideal. So the first thing you’ll want to do is download the correct ISO and upload it to your ProxMox server.
Note: Getting around in ProxMox is out of scope for this series. HOWEVER – ProxMox has a rather large following on the internet which Continue reading
Configuration Management is a big category today, largely comprised of Puppet and Chef, followed by Ansible and Salt, but what is Configuration Management? Configuration Management is, at it’s simplest, a matter of boolean states on a machine, stack, or infrastructure. Is the Apache httpd installed on this server? If not, install it. Does this file […]
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Configuration Management is a big category today, largely comprised of Puppet and Chef, followed by Ansible and Salt, but what is Configuration Management? Configuration Management is, at it’s simplest, a matter of boolean states on a machine, stack, or infrastructure. Is the Apache httpd installed on this server? If not, install it. Does this file […]
The post Configuration Management: DevOps From Ops appeared first on Packet Pushers.
In part 1 of this series, I pointed out that there are three interesting questions we can ask about BGP security. The third question I outlined there was this: What is it we can actually prove in a packet switched network? This is the first question I want dive in too—this is a deep dive, so be prepared for a long series. This question feels like it is actually asking three different things, what we might call “subquestions,” or perhaps “supporting points.” These three questions are:
These are the things I can try to prove, or would like to know, in a packet switched network. Note that I want to intentionally focus on the data plane and then transfer these questions to the control plane (BGP). This is the crucial point to remember: If I Continue reading
A paltry 15% of the radio spectrum that is suitable for broadband in the US has been made available to the private sector.
Interest in SDS is growing as companies look for alternatives to high-priced storage drives.
It's time to delegate the manual process of firewall policy changes to software intelligence.
Harry Taluja asked an interesting question in his comment to one of my virtualization blog posts:
If vShield API is no longer supported, how does a small install (6-8 ESXi hosts) take care of east/west IPS without investing in NSX?
Short answer: It depends, but it probably won’t be cheap ;) Now for the details…
Read more ...Typically when things start to get complicated, we talk about getting ‘back to basics’. The premise, of course, is to better compartmentalize, keep things in simple, digestible chunks, and not lose sight of the fundamentals.
For instance, if you’re not hitting the golf ball straight, it’s because you’ve incorporated too much variance into your swing. A good golf instructor will break the swing down into its components, and help you work on the basics.
We’re pretty far into the software-defined networking (SDN) hype cycle now. Every networking company (or even network service company) has an SDN story. In a lot of cases, SDN is still vapor-ware or marketecture. And for customers, there’s plenty of ‘SDN fatigue’ – which story should you believe?
In short, things have gotten a little complicated.
So what does getting back to basics mean in an SDN context? It’s means understanding the fundamentals components of an SDN solution. Fortunately, we can draw from real data and learn what’s working from customers that have already deployed.
Recently, EMA published research on the impact of SDN on network management. The report featured survey data from over 226 early adopters of SDN – both in the service roviders and Continue reading
VMware, Huawei & EMC make the Top 3.
Howdy. In my last post I discussed the need for an open source framework to drive merchant switching silicon. Towards the end of that long post, I mentioned a future post talking about the Switch Abstraction Interface (SAI) and switchdev in depth. Welcome to that post. There’s been a lot of synergy between both projects, […]
The post What Are SAI And Switchdev And Why Do We Need Them To Succeed? appeared first on Packet Pushers.
Howdy. In my last post I discussed the need for an open source framework to drive merchant switching silicon. Towards the end of that long post, I mentioned a future post talking about the Switch Abstraction Interface (SAI) and switchdev in depth. Welcome to that post. There’s been a lot of synergy between both projects, […]
The post What Are SAI And Switchdev And Why Do We Need Them To Succeed? appeared first on Packet Pushers.