The Open System Interconnect (OSI) network model, referred to by many as simply a stack, is in fact a well-designed, layered architecture for efficient intersystem and intrasystem communications. In ...

No matter how advanced our cybersecurity defenses become, it’s the human layer that makes decisions, mistakes and oversights.

First, and foremost, the OSI stack is just a theoretical reference model. There is no actual OSI software. It has been around since about 1980, and it is based upon recommendations from the ITU-T and ...

Thanks for your comments on my first EtherGeek post on understanding the OSI Model. I especially enjoyed learning new ways to remember the OSI Model; for example: Please Do Not Throw Stale Pizza Away.

Most IT users will be familiar by now with the idea of `the software-defined something or other’. Indeed, there vendors that already talked about software-defined everything, which really should cover ...

But instead I should be looking inside – or rather, online – since Network World Fusion has an exciting new design that’s simpler and cleaner, with a few new features. Among them: “Layer 8,” a page ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work together, though, they ...

The modern data network has become a critical asset for many industries. Most basic data networks are designed to connect users and enable them to access various resources, like the Internet and other ...