Very Basic RAID Explanation
Teaching RAID for Network+ and Security+ was always pretty easy because things were very surface level and you never had to really …
Looking at a Frame
This is going to be a pretty short post because Layer 2 is actually pretty simple. For this post I don’t really …
What Does it Mean to be a Certain Layer Protocol?
When I used to teach the CompTIA courses at the cyclic rate, one of the concepts that students often struggled with was: …
Interesting Feature: ITA
The EBEMs (Enhanced Bandwidth Efficiency Modem) that are located in the SWANv3/VSAT-L serve as the FDMA (Frequency Division Multiple Access) modems within …
Reflections on Cisco Live and Sharkfest 2014
In May/June, I had the opportunity to attend both Cisco Live and Sharkfest. This was an excellent opportunity to learn new (at …
Designing ANW2 Networks
I always enjoy seeing how other Marines solve comm problems. Especially when they are problems I have seen before. You can always …
Death of the Serial Cable
I’ve been on a mission the last few years: No serial cables, no multiplexors. Getting rid of the multiplexors was pretty easy …
Do We Still Need Tech Controllers?
10 years ago, Tech Controllers (MOS 2821 and 2823) were the Marines who made comm happen. When I hit the fleet in …
So Much Drama in the LPC
In the last year, I’ve had the same conversation no less than a dozen times about different units wanting 25k dedicated SATCOM …
Unadulterated Nerdery Goes Live
I’ve finally decided to bite the bullet and finally to go live with the blog. I am not particularly great at anything …