I am the biggest defense-in-depth supporter there is, but deep defenses don’t obviate the need to protect the perimeter. This year, we’re going to see a lot of action from security vendors trying to ...

Listen carefully. The top level of the OSI Reference Model and the IETF protocol stack is the application layer. The application layer, however, doesn’t do applications. It provides services such as ...

Modern software applications are underpinned by a large and growing web of APIs, microservices, and cloud services that must be highly available, fault tolerant, and secure. The underlying networking ...

The problem with today's hodge-podge of technologies is that it doesn't allow an end-to-end view, which is becoming especially critical since mobile users and cloud-based applications are on different ...

Welcome! Throughout this course, Network Systems Foundations, you will delve into the fundamental layers of network communication. You will start with a thorough discussion of the Link Layer and its ...

We have now met the archenemy of networks, Mr. Murphy, as he cackles “What can go wrong, will,” in the introduction to failure modes and the discussion of failure modes at the physical and data link ...