Generating Maps of Your Traffic

Any network engineer is familiar with ‘traceroute’ - a network tracing tool that leverages ICMP or UDP to report the hop by hop path your (traceroute) traffic takes from your client to the specified destination address.  In short - it...

5 minute read

Efficient Resource Use Takes Interesting Turn at Scale

The first couple of sections set the backdrop for why the technology by DriveScale is really interesting.  If you want to skip it, for shame on you (but jump to Composable Big Data Platform section). Background Throughout the history of...

8 minute read

Container-based ThousandEyes Enterprise Agent Install on Fedora 24

I had the wonderful opportunity to be a Networking Field Day delegate back in August (http://techfieldday.com/event/nfd12/) where we saw the latest developments from ThousandEyes.  If you don’t know anything about them, you should really check out their presentations (http://techfieldday.com/appearance/thousandeyes-presents-at-networking-field-day-12/) which...

5 minute read

Another Linux Interlude - Provisioning logical volumes for Docker

The context for today’s post involves extending my filesystem layout (partitioning scheme) to accommodate a large Docker repository. If you’ve read my previous post about my partitioning philosophy here (A Brief Linux Interlude - Partitions, Logical Volumes, and Layouts), you’ll...

4 minute read

A Brief Linux Interlude - Partitions, Logical Volumes, and Layouts

In this day of dynamic applications, rapid development cycles, and throw away “OS instances” - be it VMs cloned from golden images or containers - often we are so focused on the forest we fail to realize the various parts...

5 minute read

My Take on #NFD12 Heading Into #TFD12 and #NFD13

Networking Field Day 12 marked my first attendance as a delegate to a Tech Field Day event. I honestly didn’t know what to expect from being “on the inside”. I had viewed many of the previous events online, both live...

3 minute read

Network Analytics That Helps You and Your Help Desk

In my previous post, I talked about the monitoring tools and visibility that you might typically see at a University.  With those tools, you get a great sense of what services/hosts/devices are up/reachable. You even can extract/deduce that some degradation...

6 minute read

Seeing the Network Through Your User’s Eyes

Monitoring at a University In a former life at an academic institution, we had a pretty solid set of monitoring solutions in place: Nagios and Cacti to monitor servers and services, coupled with SolarWinds NPM and Prime Infrastructure to monitor...

8 minute read