The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer, Layer 2 is cool but Layer 3 ...

We met Mr. Murphy, of “What can go wrong, will” infamy, in the introduction to failure modes and the discussion of failure modes at the foundation levels. Now we will learn his tricks on shared media ...

*This article assumes the reader already has a basic understanding of the Bitcoin protocol, as well as how nodes, users and miners interact within it. Bitcoin is extremely secure, but this initially ...