Friday News Analysis: Open Networking Foundation, Dave Ward on Open

Open Networking Foundation Extends Conformance Testing to Non-Members “The Open Networking Foundation (ONF), a non-profit organization dedicated to accelerating the adoption of open Software-Defined Networking (SDN), today announced it has extended the ONF OpenFlow™ Conformance Testing Program to include testing for non-ONF members. Companies interested in receiving an OpenFlow Certificate of Conformance for their solution, […]

Not Raising Red Flags While Looking For A New Job

A reader wrote to me, explaining that they were unhappy in their current job situation, and queried how they might be able look for a new job without raising any red flags with their existing employer. Tricky, but I have a few thoughts, having done this a time or two over my career. Unhappiness This […]

Friday News Analysis: Arkin Net, Pica8, OpenDaylight, Plexxi, Juniper

Arkin Net Rises from Stealth with $7M in funding, to bring Google Search-like Simplicity to Software-Defined Datacenter Operations “Arkin Net is coming out of stealth mode with $7 million in funding, led by Nexus Venture Partners, to revolutionize the Software-Defined Networking (SDN) market – projected to be $8B by 2018. Arkin Net is building the […]

How Marketers Use Social Media Evilly

In my role as co-founder of Packet Pushers, I do some amount of sales and marketing of the show to sponsors. Our philosophy of sponsorship is very simple. The audience knows when content is sponsored. Period. We don’t hide it. We don’t disguise sponsored content as non-sponsored content in the hope that the audience doesn’t […]

What The Juniper Learning Portal Offers For Free

I’ve been working with Juniper SRX firewalls, MX routers, and EX switches for over a year now. I don’t spend a ton of time at the CLI. Mostly, I have some project I need to accomplish, so I do my homework, mock up in a lab what I’m able to, and wing the rest. Usually, that gets […]

The Importance of Knowing Baselines

When observing network utilization (whether that’s bandwidth or some other element you monitor), you have to know your baseline. The big idea is to understand what’s normal for your network, as every network is a little different. Only when you know your network’s baseline does it become possible to detect anomalies. For example, when monitoring bandwidth, […]

Using Scapple To Help Manage Complex Network Changes

I’ve blogged about Scapple in the past, describing how I’ve been using Scapple to do basic network diagrams. If you are willing to give up some of the fancy features you get with an advanced diagramming tool like Visio or Omnigraffle, Scapple can take you reasonably far. In preparation for a recent change control, I […]

Announcement: The Hot Aisle Newsletter

I’ve launched a newsletter called The Hot Aisle. Why might you care? The Hot Aisle is a personal look at my real life IT engineering projects, thoughts about the networking industry I won’t publish anywhere else, my growingly contrarian views on social media, good stuff I’ve read, and comments from fellow Hot Aisle readers. The content is a little […]

Cisco ACI Fabric Forwarding In A Nutshell

As I study software defined networking architectures, I’ve observed that none of them are exactly alike. There are common approaches, but once diving into the details of what’s being done and how, even the common approaches seem to have as many differences as similarities. One of the most interesting elements of SDN architectures is traffic […]